WorldWideScience

Sample records for lesser secondary benefits

  1. 42 CFR 411.204 - Medicare benefits secondary to LGHP benefits.

    Science.gov (United States)

    2010-10-01

    ... 42 Public Health 2 2010-10-01 2010-10-01 false Medicare benefits secondary to LGHP benefits. 411... benefits secondary to LGHP benefits. (a) Medicare benefits are secondary to benefits payable by an LGHP for services furnished during any month in which the individual— (1) Is entitled to Medicare Part A benefits...

  2. Genetic favouring of pheomelanin-based pigmentation limits physiological benefits of coloniality in lesser kestrels Falco naumanni.

    Science.gov (United States)

    Galván, Ismael; Moraleda, Virginia; Otero, Ignacio; Álvarez, Ernesto; Inácio, Ângela

    2017-10-01

    Pheomelanin contributes to the pigmentation phenotype of animals by producing orange and light brown colours in the integument. However, pheomelanin synthesis in melanocytes requires consumption of glutathione (GSH), the most important intracellular antioxidant. Therefore, a genetic control favouring the production of large amounts of pheomelanin for pigmentation may lead to physiological costs under environmental conditions that promote oxidative stress. We investigated this possibility in the context of breeding coloniality, a reproductive strategy that may affect oxidative stress. We found in lesser kestrel Falco naumanni nestlings that the GSH:GSSG ratio, which decreases with systemic oxidative stress, increased with the size of the colony where they were reared, but the expression in feather melanocytes of five genes involved in pheomelanin synthesis (Slc7a11, Slc45a2, CTNS, MC1R and AGRP) did not vary with colony size. The antioxidant capacity (TEAC) of lesser kestrel nestlings also increased with colony size, but in a manner that depended on Slc7a11 expression and not on the expression of the other genes. Thus, antioxidant capacity increased with colony size only in nestlings least expressing Slc7a11, a gene with a known role in mediating cysteine (a constituent amino acid of GSH) consumption for pheomelanin production. The main predictor of the intensity of pheomelanin-based feather colour was Slc45a2 expression followed in importance by Slc7a11 expression, hence suggesting that the genetic regulation of the pigmentation phenotype mediated by Slc7a11 and a lack of epigenetic lability in this gene limits birds from benefiting from the physiological benefits of coloniality. © 2017 John Wiley & Sons Ltd.

  3. How large a carbon tax is justified by the secondary benefits of CO2 abatement?

    International Nuclear Information System (INIS)

    Ekins, Paul

    1996-01-01

    The combustion of fossil fuels emits a range of damaging pollutants, the emissions of which are reduced if fossil fuel use is reduced in order to achieve CO 2 abatement. These reductions are termed the secondary benefits of such abatement. The paper reviews estimates of the size of these benefits at current levels of emissions of the relevant pollutants. Although the estimates are few and uncertain, their mid-range suggests that the secondary benefits are of the same order of magnitude as the gross costs of medium to high levels of CO 2 abatement, and are substantially larger than the (equally uncertain) estimates of the primary benefits of CO 2 abatement, except where these benefits derive from consideration of damages from unabated global warming in the very long term. The paper then reviews these calculations in the light of the limits on SO 2 emissions mandated by the Second Sulphur Protocol (SSP). It finds that the secondary benefits from abating SO 2 alone beyond the limits of the SSP still provide a substantial offset to the costs of a carbon tax. The paper concludes that the existence of significant secondary benefits greatly reinforces the economic case for an aggressive policy of CO 2 abatement

  4. Herder and Modernity: From Lesser-Taught Languages to Lesser-Taught Cultures

    Directory of Open Access Journals (Sweden)

    Martin Votruba

    2017-03-01

    Full Text Available The typical North American curriculum of a lesser-taught Slavic language implicitly relies on the legacy of Johann Gottfried von Herder’s interpretation that language in and of itself contains national (ethnic culture. At the same time, enrolments are dwindling even in courses in the most commonly taught Slavic languages. Millennials’ understandable focus on the practicality of the courses they take make it unlikely for the lesser-taught languages to survive the slump. On the other hand, foreign culture courses are appearing to hold their ground more successfully. Slavic departments may reconsider Herder’s dictum as they try to maintain or establish programs in lesser-taught languages and cultures.

  5. 29 CFR 1625.10 - Costs and benefits under employee benefit plans.

    Science.gov (United States)

    2010-07-01

    ..., the “benefit package” approach may not be used to reduce health insurance benefits by more than is..., even though the older worker may thereby receive a lesser amount of benefits or insurance coverage... of group term life insurance coverage for older workers, on the basis of age. However, a benefit-by...

  6. Social Benefits of Secondary School Farms in Rivers State, Nigeria ...

    African Journals Online (AJOL)

    The purpose of this study was to determine the social benefits of school farms in secondary schools in Rivers State. The study used two research questions and simple random sampling technique for data collection with a total of 560 questionnaires administered to teachers and students. The results showed that 75% of ...

  7. Abnormal development of the lesser wing of the sphenoid with microphthalmos and microcephaly

    International Nuclear Information System (INIS)

    Jacquemin, C.; Bosley, T.M.

    2001-01-01

    We report two patients with abnormal development of the lesser wing of the sphenoid bone, globe, optic nerve and cerebral hemisphere without stigmata of neurofibromatosis type 1. The lesser wing of the sphenoid bone was abnormally formed and was not ossified ipsilateral to the dysmorphic eye and underdeveloped cerebral hemisphere. Maldevelopment of the sphenoid wing may interfere with the normal closure of the optic vesicle and normal growth of encephalic structures, possibly by disturbing developmental tissue interactions. These patients may exhibit a type of restricted primary sphenoid dysplasia, while the sphenoid dysplasia of neurofibromatosis type 1 may be secondary to orbital or ocular neurofibromas and other factors associated with that disease. (orig.)

  8. Abnormal development of the lesser wing of the sphenoid with microphthalmos and microcephaly

    Energy Technology Data Exchange (ETDEWEB)

    Jacquemin, C. [King Khaled Eye Specialist Hospital, Riyadh (Saudi Arabia). Radiology Dept.; Mullaney, P. [Paediatric Ophthalmology Div., King Khaled Eye Specialist Hospital, Riyadh (Saudi Arabia); Bosley, T.M. [Neuro-Ophthalmology Div., King Khaled Eye Specialist Hospital, Riyadh (Saudi Arabia)

    2001-02-01

    We report two patients with abnormal development of the lesser wing of the sphenoid bone, globe, optic nerve and cerebral hemisphere without stigmata of neurofibromatosis type 1. The lesser wing of the sphenoid bone was abnormally formed and was not ossified ipsilateral to the dysmorphic eye and underdeveloped cerebral hemisphere. Maldevelopment of the sphenoid wing may interfere with the normal closure of the optic vesicle and normal growth of encephalic structures, possibly by disturbing developmental tissue interactions. These patients may exhibit a type of restricted primary sphenoid dysplasia, while the sphenoid dysplasia of neurofibromatosis type 1 may be secondary to orbital or ocular neurofibromas and other factors associated with that disease. (orig.)

  9. Potential impacts of the Alberta fetal alcohol spectrum disorder service networks on secondary disabilities: a cost-benefit analysis.

    Science.gov (United States)

    Thanh, Nguyen Xuan; Moffatt, Jessica; Jacobs, Philip; Chuck, Anderson W; Jonsson, Egon

    2013-01-01

    To estimate the break-even effectiveness of the Alberta Fetal Alcohol Spectrum Disorder (FASD) Service Networks in reducing occurrences of secondary disabilities associated with FASD. The secondary disabilities addressed within this study include crime, homelessness, mental health problems, and school disruption (for children) or unemployment (for adults). We used a cost-benefit analysis approach where benefits of the service networks were the cost difference between the two approaches: having the 12 service networks and having no service network in place, across Alberta. We used a threshold analysis to estimate the break-even effectiveness (i.e. the effectiveness level at which the service networks became cost-saving). If no network was in place throughout the province, the secondary disabilities would cost $22.85 million (including $8.62 million for adults and $14.24 million for children) per year. Given the cost of network was $6.12 million per year, the break-even effectiveness was estimated at 28% (range: 25% to 32%). Although not all benefits associated with the service networks are included, such as the exclusion of the primary benefit to those experiencing FASD, the benefits to FASD caregivers, and the preventative benefits, the economic and social burden associated with secondary disabilities will "pay-off" if the effectiveness of the program in reducing secondary disabilities is 28%.

  10. The predicted influence of climate change on lesser prairie-chicken reproductive parameters

    Science.gov (United States)

    Grisham, Blake A.; Boal, Clint W.; Haukos, David A.; Davis, D.; Boydston, Kathy K.; Dixon, Charles; Heck, Willard R.

    2013-01-01

    The Southern High Plains is anticipated to experience significant changes in temperature and precipitation due to climate change. These changes may influence the lesser prairie-chicken (Tympanuchus pallidicinctus) in positive or negative ways. We assessed the potential changes in clutch size, incubation start date, and nest survival for lesser prairie-chickens for the years 2050 and 2080 based on modeled predictions of climate change and reproductive data for lesser prairie-chickens from 2001-2011 on the Southern High Plains of Texas and New Mexico. We developed 9 a priori models to assess the relationship between reproductive parameters and biologically relevant weather conditions. We selected weather variable(s) with the most model support and then obtained future predicted values from climatewizard.org. We conducted 1,000 simulations using each reproductive parameter's linear equation obtained from regression calculations, and the future predicted value for each weather variable to predict future reproductive parameter values for lesser prairie-chickens. There was a high degree of model uncertainty for each reproductive value. Winter temperature had the greatest effect size for all three parameters, suggesting a negative relationship between above-average winter temperature and reproductive output. The above-average winter temperatures are correlated to La Nina events, which negatively affect lesser prairie-chickens through resulting drought conditions. By 2050 and 2080, nest survival was predicted to be below levels considered viable for population persistence; however, our assessment did not consider annual survival of adults, chick survival, or the positive benefit of habitat management and conservation, which may ultimately offset the potentially negative effect of drought on nest survival.

  11. Nonbreeding home‐range size and survival of lesser prairie‐chickens

    Science.gov (United States)

    Robinson, Samantha G.; Haukos, David A.; Plumb, Reid T.; Lautenbach, Joseph M.; Sullins, Daniel S.; Kraft, John D.; Lautenbach, Jonathan D.; Hagen, Christian A.; Pitman, James C.

    2018-01-01

    needs would benefit lesser prairie‐chickens by accounting for the greater spatial requirements during the nonbreeding season. 

  12. Performance and cost benefits associated with nonimaging secondary concentrators used in point-focus dish solar thermal applications

    Science.gov (United States)

    Ogallagher, J.; Winston, R.

    1987-09-01

    Using nonimaging secondary concentrators in point-focus applications may permit the development of more cost-effective concentrator systems by either improving performance or reducing costs. Secondaries may also increase design flexibility. The major objective of this study was to develop as complete an understanding as possible of the quantitative performance and cost effects associated with deploying nonimaging secondary concentrators at the focal zone of point-focus solar thermal concentrators. A performance model was developed that uses a Monte Carlo ray-trace procedure to determine the focal plane distribution of a paraboloidal primary as a function of optical parameters. It then calculates the corresponding optimized concentration and thermal efficiency as a function of temperature with and without the secondary. To examine the potential cost benefits associated with secondaries, a preliminary model for the rational optimization of performance versus cost trade-offs was developed. This model suggests a possible 10 to 20 percent reduction in the cost of delivered energy when secondaries are used. This is a lower limit, and the benefits may even be greater if using a secondary permits the development of inexpensive primary technologies for which the performance would not otherwise be viable.

  13. Investigating the benefits of a secondary education interaction design thinking course inside and outside the classroom

    NARCIS (Netherlands)

    Aflatoony, L.; Wakkary, R.L.; Neustaedter, C.

    In this study we investigated how an interaction design-thinking course benefited secondary school students in grades 9 and 10. This study investigated the benefits for students within the classroom and unlike previous studies, it also articulated the potential for students to utilize their skills

  14. Approaches to, and perceived benefits of, training in the secondary wood industry

    Science.gov (United States)

    Matthew S. Bumgardner; Urs Buehlmann; Albert T. Schuler; Brooke Baldwin Wisdom; Brooke Baldwin Wisdom

    2005-01-01

    Practitioners and researchers alike have noted that a well-trained workforce is an important component of the competitiveness of U.S. manufacturers in the global economy. This study compares four secondary wood industry sectors on their approaches to, and perceived benefits of, training production employees. The study was based on an Internet survey in the autumn of...

  15. Intermittent Solar Ammonia Absorption Cycle (ISAAC) refrigeration for lesser developed countries

    Science.gov (United States)

    Erickson, Donald C.

    1990-02-01

    The Intermittent Solar Ammonia Absorption Cycle (ISAAC) refrigerator is a solar thermal technology which provides low cost, efficient, reliable ice-making to areas without ready access to electricity. An ISAAC refrigeration system consists of a compound parabolic solar collector, two pressure vessels, a condenser, a cold box or refrigerated space, and simple connective piping -- no moving parts or electrical components. Most parts are simple construction or plumbing grade materials, locally available in many remote areas. This technology has numerous potential benefits in lesser developed countries both by providing a cheap, reliable source of ice, and, since manufacture requires only semi-skilled labor, a source of employment to the local economy. Applications include vaccine storage for health care clinics; fish, meat, and dairy product storage; and personal consumption. Importantly, this technology increases the quality of life for people in lesser developed countries without depleting fossil fuel resources or increasing the release of greenhouse gases such as CO2 and chlorofluorocarbons.

  16. Psychosocial and Physical Benefits of Exercise Among Rural Secondary School Students

    Directory of Open Access Journals (Sweden)

    Ntwanano Alliance Kubayi

    2015-12-01

    Full Text Available The purpose of this study was to examine the benefits of physical exercise among secondary school students. Participants in the study were 251 students (120 boys and 131 girls attending three public secondary schools in the Hlanganani rural area of South Africa. A validated questionnaire was used to collect data. Results of this study indicated that students exercised to be with their friends, to be physically attractive and compete with others. The findings of this study have practical implications for promoting participation in physical activity among students in rural schools. In an effort to promote physical activity participation, schools should be provided with quality sports infrastructure and funding so that they can implement school sport programmes. Finally, the teaching of physical education should be emphasised in schools as it is the cornerstone for children’s involvement in physical activity.

  17. Chemical Aspects of Lesser Mouse Deer Meat

    Directory of Open Access Journals (Sweden)

    Djalal Rosyidi

    2012-02-01

    Full Text Available An experiment aiming for studying chemical aspects of lesser mouse deer meat (Tragulus javanicus. This research explored the chemical aspects of lesser mouse deer meat (Tragulus javanicus. Eight lesser mouse deer (four female and four male were used in chemical aspects of lesser mouse deer meat. The parameters observed included proximate analysis, amino acid, fatty acid, cholesterol and EPA-DHA of the meat. The results showed that average meat chemical composition were content of water, protein, fat, ash and cholesterol were 76.33 %, 21.42 %, 0.51 %, 1.20% and 50.00 mg/100 g, respectively. Fatty acid consist of lauric acid, miristate, palmitate, stearic, oleic, linoleic, and linolenic were 1.04 % 3.09%, 30.97, 0.77%., 59.41%, 3.22% and 1.12%, respectively. The total EPA and DHA was 0.13% and 0.05%,   Keywords: amino acid, fatty acid, cholesterol and EPA-DHA

  18. Avoiding revenue loss due to 'lesser of' contract clauses.

    Science.gov (United States)

    Stodolak, Frederick; Gutierrez, Henry

    2014-08-01

    Finance managers seeking to avoid lost revenue attributable to lesser-of-charge-or-fixed-fee (lesser-of) clauses in their contracts should: Identify payer contracts that contain lesser-of clauses. Prepare lesser-of lost-revenue reports for non-bundled and bundled rates. For claims with covered charges below the bundled rate, identify service codes associated with the greatest proportion of total gross revenue and determine new, higher charge levels for those codes. Establish an approach for setting charges for non-bundled fee schedules to address lost-revenue-related issues. Incorporate changes into overall strategic or hospital zero-based pricing modeling and parameters.

  19. Primary small cell carcinoma of the lesser omentum

    Directory of Open Access Journals (Sweden)

    Ji-Feng Feng

    2012-02-01

    Full Text Available Although pulmonary small cell carcinoma (SCC is seen frequently, SCC that originates from the extrapulmonary organs is extremely rare. We herein report a case of a SCC located in the lesser omentum. A 61-year-old male was admitted to our department due to intermittent epigastralgia for 2 months. Ultrasonography (US revealed an irregular hypoechoic mass measuring about 58 mm × 50 mm × 45 mm under the left lobe of the liver. Magnetic resonance imaging (MRI was performed to verify the irregular mass with T1- and T2- weighted images between the left lobe of liver and the stomach. At laparotomy, the well-circumscribed neoplasm was found in the lesser omentum, and the fundus of the neoplasm was located in the root of left gastric artery. Intraoperative microscopic evaluation of frozen sections revealed malignancy of the lesser omentum. Resection of the neoplasm was performed, and the combined resection of the vagal nerve was also performed for the partial adhesion. Pyloroplasty was performed for avoiding delayed gastric emptying caused by combined resection of vagal nerve. The lymph nodes dissection at lesser curvature and right cardia was also performed with a negative result. Based on the histological findings, the final diagnosis of primary lesser omental SCC was confirmed. The pathologic staging showed locoregional disease.

  20. Pit above the lesser tuberosity in axial view radiography.

    Science.gov (United States)

    Cho, Jae-Ho; Han, Kyeong-Jin; Lee, Doo-Hyung; Chung, Nam-Su; Park, Do Young

    2015-02-01

    This study examined the relationship between the presence of a pit above the lesser tuberosity on axial view radiographs and rotator cuff tears and compared the demographic data between groups according to the presence of a pit above the lesser tuberosity. The hypothesis of this study was that the radiographic finding of a pit above the lesser tuberosity is related to rotator cuff tears. For 112 patients with a symptomatic rotator cuff tear, plain radiographs of the symptomatic shoulder (tear side radiographs) and plain radiographs of the asymptomatic contralateral shoulder (no-tear side radiographs) were assessed. Seventeen radiological findings, including a pit above the lesser tuberosity, osteophytes, subchondral cysts, and sclerosis, were recorded by one blinded observer. Demographic data such as age, duration of symptoms, sex, arm dominance, smoking history, trauma history, American Shoulder and Elbow Surgeons score, Constant score, and involved tendon were collected. A pit above the lesser tuberosity was noted on tear side radiographs of 40 patients (35.7 %) and on the no-tear side radiographs of 27 patients (24.1 %), representing a significant difference (P = 0.040). A pit associated with a rotator cuff tear was observed more often in the dominant arm (P = 0.040) and more often in patients with less previous trauma (P = 0.024). A pit above the lesser tuberosity on axial view radiography was associated with a rotator cuff tear and occurred more often in the dominant arm of patients who had no trauma history. Prognostic study, Level III.

  1. Carbon Policy and Technical Change: Market Structure, Increasing Returns, and Secondary Benefits. Final Report

    Energy Technology Data Exchange (ETDEWEB)

    Peretto, P.; Smith, V. K.

    2001-11-19

    An economic evaluation of the impact of policies intended to control emissions of CO{sub 2} and other ''greenhouse gases'' (GHGS) depends on the net costs of these controls and their distribution throughout the production sectors of developed and developing economics. The answers derived from appraisals of these net costs, in turn, stem from what is assumed about the timing of the controls, the pace of technological change, and any short-term secondary benefits from their control. There have only been a few serious attempts to estimate the economic benefits from the policies associated with such long run outcomes. All of the approaches to date have made fairly strong assumptions or relied on contingent valuation estimates of hypothetical situations.

  2. Back-thrusting in Lesser Himalaya: Evidences from magnetic fabric ...

    Indian Academy of Sciences (India)

    Back-thrusting in Lesser Himalaya: Evidences from magnetic fabric studies in parts of Almora crystalline zone, Kumaun Lesser Himalaya. Amar Agarwal, K K Agarwal, R Bali, Chandra Prakash and Gaurav Joshi. Supplementary data. Table S1. AMS data, representing mean of values from cores (N) collected from each site ...

  3. Active convergence between the Lesser and Greater Caucasus in Georgia: Constraints on the tectonic evolution of the Lesser-Greater Caucasus continental collision

    Science.gov (United States)

    Sokhadze, G.; Floyd, M.; Godoladze, T.; King, R.; Cowgill, E. S.; Javakhishvili, Z.; Hahubia, G.; Reilinger, R.

    2018-01-01

    We present and interpret newly determined site motions derived from GPS observations made from 2008 through 2016 in the Republic of Georgia, which constrain the rate and locus of active shortening in the Lesser-Greater Caucasus continental collision zone. Observation sites are located along two ∼160 km-long profiles crossing the Lesser-Greater Caucasus boundary zone: one crossing the Rioni Basin in western Georgia and the other crossing further east near the longitude of Tbilisi. Convergence across the Rioni Basin Profile occurs along the southern margin of the Greater Caucasus, near the surface trace of the north-dipping Main Caucasus Thrust Fault (MCTF) system, and is consistent with strain accumulation on the fault that generated the 1991 MW6.9 Racha earthquake. In contrast, convergence along the Tbilisi Profile occurs near Tbilisi and the northern boundary of the Lesser Caucasus (near the south-dipping Lesser Caucasus Thrust Fault), approximately 50-70 km south of the MCTF, which is inactive within the resolution of geodetic observations (< ± 0.5 mm/yr) at the location of the Tbilisi Profile. We suggest that the southward offset of convergence along strike of the range is related to the incipient collision of the Lesser-Greater Caucasus, and closing of the intervening Kura Basin, which is most advanced along this segment of the collision zone. The identification of active shortening near Tbilisi requires a reevaluation of seismic hazards in this area.

  4. Co-benefits of biodiversity and carbon from regenerating secondary forests after shifting cultivation in the upland Philippines: implications for forest landscape restoration

    Science.gov (United States)

    Mukul, S. A.; Herbohn, J.; Firn, J.; Gregorio, N.

    2017-12-01

    Shifting cultivation is a widespread practice in tropical forest agriculture frontiers that policy makers often regard as the major driver of forest loss and degradation. Secondary forests regrowing after shifting cultivation are generally not viewed as suitable option for biodiversity conservation and carbon retention. Drawing upon our research in the Philippines and other relevant case studies, we compared the biodiversity and carbon sequestration benefits in recovering secondary forests after shifting cultivation to other land uses that commonly follow shifting cultivation. Regenerating secondary forests had higher biodiversity than fast growing timber plantations and other restoration options available in the area. Some old plantations, however, provided carbon benefits comparable the old growth forest, although their biodiversity was less than that of the regenerating forests. Our study demonstrates that secondary forests regrowing after shifting cultivation have a high potential for biodiversity and carbon sequestration co-benefits, representing an effective strategy for forest management and restoration in countries where they are common and where the forest is an integral part of rural people's livelihoods. We discuss the issues and potential mechanisms through which such dynamic land use can be incorporated into development projects that are currently financing the sustainable management, conservation, and restoration of tropical forests.

  5. Lesser prairie-chicken avoidance of trees in a grassland landscape

    Science.gov (United States)

    Lautenbach, Joseph M.; Plumb, Reid T.; Robinson, Samantha G.; Hagen, Christian A.; Haukos, David A.; Pitman, James C.

    2016-01-01

    Grasslands are among the most imperiled ecosystems in North America. Reasons that grasslands are threatened include conversion to row-crop agriculture, fragmentation, and changes in fire regimes. The reduction of fire processes in remaining prairies has resulted in tree encroachment and establishment in grasslands, further reducing grassland quantity and quality. Grassland birds have been experiencing precipitous population declines in recent decades, commensurate with landscape changes to grasslands. The lesser prairie-chicken (Tympanuchus pallidicinctus Ridgway) is a declining species of prairie grouse of conservation concern. We used second- and third-order habitat selection metrics to test if female lesser prairie-chickens avoid grasslands where trees were present. Our results indicated that female lesser prairie-chickens selected habitats avoiding the nearest trees by 283 m on average, nearly twice as far as would be expected at random. Lesser prairie-chickens were 40 times more likely to use habitats with tree densities of 0 trees ∙ ha− 1 than habitats with 5 trees ∙ ha− 1. Probability of use indicated that lesser prairie-chickens were 19 times more likely to use habitats 1000 m from the nearest tree when compared with using habitats 0 m from the nearest tree. Nest survival was not affected at densities 2 trees ∙ ha− 1. Avoidance of trees could be due to perceived increased predation risk, reduced habitat quality, or a combination of these potentially confounding factors. Preventing further establishment and expansion of trees in landscapes occupied by lesser prairie-chickens could contribute to the continued persistence of the species. Additionally, restoring grasslands through tree removal may facilitate conservation efforts for grassland species such as the lesser prairie-chicken by improving habitat quality and promoting expansion of occupied range.

  6. Why do lesser toes deviate laterally in hallux valgus? A radiographic study.

    Science.gov (United States)

    Roan, Li-Yi; Tanaka, Yasuhito; Taniguchi, Akira; Tomiwa, Kiyonori; Kumai, Tsukasa; Cheng, Yuh-Min

    2015-06-01

    Hallux valgus foot with laterally deviated lesser toes is a complex condition to treat. Ignoring the laterally deviated lesser toes in hallux valgus might result in unsatisfactory foot shape. Without lateral support of the lesser toes, it might increase the risk of recurrence of hallux valgus. We sought to identify associated radiographic findings in patients where lesser toes follow the great toe in hallux valgus and deviate laterally. The weight-bearing, anteroposterior foot radiographs of 24 female hallux valgus feet with laterally deviated lesser toes (group L), 34 female hallux valgus feet with normal lesser toes (group H), and 43 normal female feet (group N) were selected for the study. A 2-dimensional coordinated system was used to analyze the shapes and angles of these feet by converting each dot made on the radiographs onto X and Y coordinates. Diagrams of the feet in each group were drawn for comparison. The hallux valgus angle, lateral deviation angle of the second toe, intermetatarsal angles, toe length, metatarsal length, and metatarsus adductus were calculated according to the coordinates of the corresponding points. The mapping showed the bases of the second, third, and fourth toe in group L shifted laterally away from their corresponding metatarsal head (P hallux valgus angles (P hallux valgus angle, more adducted first metatarsal, and divergent lateral splaying of the lesser metatarsals were associated with lateral deviation of the lesser toes in hallux valgus. Level III, comparative study. © The Author(s) 2015.

  7. An online intervention for reducing depressive symptoms: secondary benefits for self-esteem, empowerment and quality of life.

    Science.gov (United States)

    Crisp, Dimity; Griffiths, Kathleen; Mackinnon, Andrew; Bennett, Kylie; Christensen, Helen

    2014-04-30

    Internet-based interventions are increasingly recognized as effective for the treatment and prevention of depression; however, there is a paucity of research investigating potential secondary benefits. From a consumer perspective, improvements in indicators of wellbeing such as perceived quality of life may represent the most important outcomes for evaluating the effectiveness of an intervention. This study investigated the 'secondary' benefits for self-esteem, empowerment, quality of life and perceived social support of two 12-week online depression interventions when delivered alone and in combination. Participants comprised 298 adults displaying elevated psychological distress. Participants were randomised to receive: an Internet Support Group (ISG); an automated Internet psycho-educational training program for depression; a combination of these conditions; or a control website. Analyses were performed on an intent-to-treat basis. Following the automated training program immediate improvements were shown in participants׳ self-esteem and empowerment relative to control participants. Improvements in perceived quality of life were reported 6-months following the completion of the intervention when combined with an ISG. These findings provide initial evidence for the effectiveness of this online intervention for improving individual wellbeing beyond the primary aim of the treatment. However, further research is required to investigate the mechanisms underlying improvement in these secondary outcomes. Crown Copyright © 2014. Published by Elsevier Ireland Ltd. All rights reserved.

  8. Benefit Incidence Analysis of Government Spending on Public-Private Partnership Schooling under Universal Secondary Education Policy in Uganda

    Science.gov (United States)

    Wokadala, J.; Barungi, M.

    2015-01-01

    The study establishes whether government spending on private universal secondary education (USE) schools is equitable across quintiles disaggregated by gender and by region in Uganda. The study employs benefit incidence analysis tool on the Uganda National Panel Survey (UNPS 2009/10) data to establish the welfare impact of public subsidy on…

  9. Radiologic measurement of lesser trochanter and its clinical significance in Chinese

    International Nuclear Information System (INIS)

    Zhang, Qi; Chen, Wei; Li, Xicheng; Song, Zhaohui; Pan, Jinshe; Zhang, Yingze; Liu, Huaijun

    2009-01-01

    Femoral fracture is a major cause of morbidity and mortality in elderly persons. Surgery, the main choice of treatment of femoral fracture, may result in some complications severely affecting patients' daily activities due to femoral malalignment. The lesser trochanter is an important anatomical structure of the femur which could be used as an anatomical landmark during and after operation to evaluate femoral alignment. To predict femoral rotational malalignment during surgery, the relationship between the height and width of the lesser trochanter and femoral rotation at different angles was investigated. Fifty healthy adult volunteers (25 men and 25 women) were enrolled in this study and a total of 900 radiographs of proximal femurs were taken in the following positions: neutral position, 5 , 10 , 15 , and 20 internal rotation, and 5 , 10 , 15 , and 20 external rotation, respectively. The cranio-caudal and transverse diameters of the lesser trochanter were obtained on a PACS Workstation. The height and width of the lesser trochanter increased with external rotation and decreased with internal rotation and the values showed statistical significance between different positions or different genders. Between 20 of internal rotation to 20 of external rotation, the mean height increased from 0.58 cm to 1.23 cm in men and from 0.44 cm to 1.19 cm in women. The corresponding mean values for width were from 2.53 cm to 4.44 cm in men, and from 2.08 cm to 3.86 cm in women, respectively. The height and width of the lesser trochanter were both highly correlated to the position of femur and the linear relationship was established approximately. The morphological alteration of lesser trochanter also changed obviously when the femurs rotated. The height and width of the lesser trochanter is linearly related to femoral rotation and could be used as a reference for prevention of femoral malalignment during surgery. (orig.)

  10. Diet composition of lesser kestrels in Ikh Nart Nature Reserve, Mongolia

    Directory of Open Access Journals (Sweden)

    Onolragchaa Ganbold

    2017-12-01

    Full Text Available The lesser kestrel is recognized as “Least Concern” in the International Union for Conservation of Nature (IUCN Red List since 2011. So far, all available diet studies on the lesser kestrel were conducted in its European range or in partial African breeding and nonbreeding range. In particular, little is known about the feeding behavior of this small falcon in Asian ranges. Thus, this study can be considered as the first to examine the diet composition of the central Asian breeding populations of lesser kestrels. This study aims to provide some information about the diet composition of this species among Asian populations through biological and ecological investigations. Pellets (n = 762 dropped by lesser kestrel (Falco naumanni were collected during their breeding season from nine to 10 colony sites in Ikh Nart, between June and September of 2009 and 2010, and analyzed. A total of 1,484 prey items were identified in the pellets collected. After a measure of their weight (g and length and width (mm, we carefully examined each pellet and separated all prey remains using tweezers. Our results indicated that insects (including orthopterans and coleopterans were dominant in lesser kestrel’s diets. We found that the lesser kestrel’s diet mainly consisted of insects (69.7%, lizards (17.4%, small mammals (10%, small birds (2%, and other food (1%. Keywords: diet composition, insects, pellets, reptiles, small mammals

  11. Assessment of lesser prairie-chicken use of wildlife water guzzlers

    Science.gov (United States)

    Boal, Clint W.; Borsdorf, Philip K.; Gicklhorn, Trevor S.

    2014-01-01

    Man-made water sources have been used as a management tool for wildlife, especially in arid regions, but the value of these water sources for wildlife populations is not well understood. In particular, the value of water as a conservation tool for Lesser Prairie-Chickens (Tympanuchus pallidicinctus) is unknown. However, this is a relevant issue due to a heightened conservation concern for the species and its occupancy of an arid landscape anticipated to experience warmer, drier springs and winters. We assessed if Lesser Prairie-Chickens would use commercially available wildlife water guzzlers and if there was any apparent selection between two design types. We confirmed that Lesser Prairie-Chickens would use bird friendly designed wildlife water guzzlers. Use was primarily during the lekking-nesting period (March–May) and the brood rearing period (June–July) and primarily by males. Although both designs were used, we found significantly greater use of a design that had a wider water trough and ramp built into the tank cover compared to a design that had a longer, narrower trough extending from the tank.Although we were unable to assess the physiological need of surface water by Lesser Prairie-Chickens, we were able to verify that they will use wildlife water guzzlers to access surface water. If it is found surface water is beneficial for Lesser Prairie-Chickens, game bird friendly designed guzzlers may be a useful conservation tool for the species.

  12. Milk by Any Other Name... Consumer Benefits from Labeled Milk

    OpenAIRE

    Dhar, Tirtha; Foltz, Jeremy D.

    2004-01-01

    This article uses revealed preferences of consumers to study the consumer benefits from rBST-free and organic labeled milk. The article specifies and estimates a quadratic AIDS demand system model for different milk types using U.S. supermarket scanner data. The introduction of rBST-free and organic milk is used to estimate consumer benefits that are decomposed into two components, competitive and variety effects. Results show significant consumer benefits from organic milk and to a lesser ex...

  13. Avulsion of the Lesser Trochanter Following a Shot Put Sport Session

    Directory of Open Access Journals (Sweden)

    Mohamed H. Grissa

    2017-03-01

    Full Text Available Avulsion of the lesser trochanter is an uncommon injury. In children and adolescents it usually occurs as a sports injury via traumatic avulsion of the psoas major tendon. In adults, isolated fractures of the lesser trochanter are most commonly pathological due to metastatic tumor invasion of the proximal femur. This case report documents how a 14-year-old boy, who presented with an avulsion of the lesser trochanter of the proximal femur following a seemingly atraumatic shot put session at a track and field event, was diagnosed and successfully treated with a conservative approach.

  14. Observations on the activity patterns of the lesser yellow house bat ...

    African Journals Online (AJOL)

    lesser yellow house bat, Scotophilus viridis. F.P.D. Cotterill c/o Department of Zoology, University of Cape Town,. Cape Town. S.R. Giddings·. Department of Zoology, University of Pretoria, Pretoria,. 0002 Republic of South Africa. Received 10 June 1986; accepted 23 July 1986. The activity pattems of the lesser yellow ...

  15. Impacts of mesquite distribution on seasonal space use of lesser prairie-chickens

    Science.gov (United States)

    Boggie, Matthew A.; Strong, Cody R.; Lusk, Daniel; Carleton, Scott A.; Gould, William R.; Howard, Randy L.; Nichols, Clay T.; Falkowski, Michael J.; Hagen, Christian A.

    2017-01-01

    Loss of native grasslands by anthropogenic disturbances has reduced availability and connectivity of habitat for many grassland species. A primary threat to contiguous grasslands is the encroachment of woody vegetation, which is spurred by disturbances that take on many forms from energy development, fire suppression, and grazing. These disturbances are exacerbated by natural- and human-driven cycles of changes in climate punctuated by drought and desertification conditions. Encroachment of honey mesquite (Prosopis glandulosa) into the prairies of southeastern New Mexico has potentially limited habitat for numerous grassland species, including lesser prairie-chickens (Tympanuchus pallidicinctus). To determine the magnitude of impacts of distribution of mesquite and how lesser prairie-chickens respond to mesquite presence on the landscape in southeastern New Mexico, we evaluated seasonal space use of lesser prairie-chickens in the breeding and nonbreeding seasons. We derived several remotely sensed spatial metrics to characterize the distribution of mesquite. We then used these data to create population-level resource utilization functions and predict intensity of use of lesser prairie-chickens across our study area. Home ranges were smaller in the breeding season compared with the nonbreeding season; however, habitat use was similar across seasons. During both seasons, lesser prairie-chickens used areas closer to leks and largely avoided areas with mesquite. Relative to the breeding season, during the nonbreeding season habitat use suggested a marginal increase in mesquite within areas of low intensity of use, yet aversion to mesquite was strong in areas of medium to high intensity of use. To our knowledge, our study is the first to demonstrate a negative behavioral response by lesser prairie-chickens to woody encroachment in native grasslands. To mitigate one of the possible limiting factors for lesser prairie-chickens, we suggest future conservation

  16. Lesser prairie-chicken fence collision risk across its northern distribution

    Science.gov (United States)

    Robinson, Samantha G.; Haukos, David A.; Plumb, Reid T.; Hagen, Christian A.; Pitman, James C.; Lautenbach, Joseph M.; Sullins, Daniel S.; Kraft, John D.; Lautenbach, Jonathan D.

    2016-01-01

    Livestock fences have been hypothesized to significantly contribute to mortality of lesser prairie-chickens (Tympanuchus pallidicinctus); however, quantification of mortality due to fence collisions is lacking across their current distribution. Variation in fence density, landscape composition and configuration, and land use could influence collision risk of lesser prairie-chickens. We monitored fences within 3 km of known leks during spring and fall and surveyed for signs of collision occurrence within 20 m of fences in 6 study sites in Kansas and Colorado, USA during 2013 and 2014. We assessed mortality locations of radio-tagged birds (n = 286) for evidence of fence collisions and compared distance to fence relative to random points. Additionally, we quantified locations, propensity, and frequency of fences crossed by lesser prairie-chickens. We tested for landscape and vegetative characteristics that influenced fence-cross propensity and frequency of global positioning system (GPS)-marked birds. A minimum of 12,706 fence crossings occurred by GPS-marked lesser prairie-chickens. We found 3 carcasses and 12 additional possible instances of evidence of collision during >2,800 km of surveyed fences. We found evidence for a single suspected collision based on carcass evidence for 148 mortalities of transmittered birds. Mortality locations of transmittered birds were located at distances from fences 15% farther than expected at random. Our data suggested minimal biological significance and indicated that propensity and frequency of fence crossings were random processes. Lesser prairie-chickens do not appear to be experiencing significant mortality risk due to fence collisions in Kansas and Colorado. Focusing resources on other limiting factors (i.e., habitat quality) has greater potential for impact on population demography than fence marking and removal.

  17. The avifauna of Flores (Lesser Sunda Islands)

    NARCIS (Netherlands)

    Mees, G.F.

    2006-01-01

    The avifauna of the island of Flores (Lesser Sunda Islands) is reviewed. Introductory sections, which include a chapter on the history of ornithological discovery, are followed by the main part, a systematic account in which each species and subspecies known from Flores is treated separately. A

  18. Intramuscular Lipoma-Induced Occipital Neuralgia on the Lesser Occipital Nerve.

    Science.gov (United States)

    Han, Hyun Ho; Kim, Hak Soo; Rhie, Jong Won; Moon, Suk Ho

    2016-06-01

    Occipital neuralgia (ON) is commonly characterized by a neuralgiform headache accompanied by a paroxysmal burning sensation in the dermatome area of the greater, lesser, or third occipital nerve. The authors report a rare case of ON caused by an intramuscular lipoma originating from the lesser occipital nerve.A 52-year-old man presented with sharp pain in the left postauricular area with a 3 × 2-cm palpable mass. Computed tomography revealed a mass suspiciously resembling an intramuscular lipoma within splenius muscle. In the operation field, a protruding mass causing stretching of the lesser occipital nerve was found. After complete resection, the neuralgiform headache symptom had resolved and the intramuscular lipoma was confirmed through histopathology.Previous studies on the causes of ON have reported that variation in normal anatomic structures results in nerve compression. Occipital neuralgia, however, caused by intramuscular lipomas in splenius muscles have not been previously reported, and the dramatic resolution following surgery makes it an interesting case worth reporting.

  19. Isolated Displaced Fracture of the Lesser Tuberosity

    African Journals Online (AJOL)

    publication of this report. The authors declare no competing interests. Discussion. A delay in diagnosis of a lesser tuberosity fracture may lead to significant future clinical disability (2). In one such case the patient presented with axillary nerve neuropraxia while another case reported displacement of the biceps tendon (4).

  20. Mixed Emotions and Coping: The Benefits of Secondary Emotions

    Science.gov (United States)

    Braniecka, Anna; Trzebińska, Ewa; Dowgiert, Aneta; Wytykowska, Agata

    2014-01-01

    The existing empirical literature suggests that during difficult situations, the concurrent experience of positive and negative affects may be ideal for ensuring successful adaptation and well-being. However, different patterns of mixed emotions may have different adaptive consequences. The present research tested the proposition that experiencing a pattern of secondary mixed emotion (i.e., secondary emotion that embrace both positive and negative affects) more greatly promotes adaptive coping than experiencing two other patterns of mixed emotional experiences: simultaneous (i.e., two emotions of opposing affects taking place at the same time) and sequential (i.e., two emotions of opposing affects switching back and forth). Support for this hypothesis was obtained from two experiments (Studies 1 and 2) and a longitudinal survey (Study 3). The results revealed that secondary mixed emotions predominate over sequential and simultaneous mixed emotional experiences in promoting adaptive coping through fostering the motivational and informative functions of emotions; this is done by providing solution-oriented actions rather than avoidance, faster decisions regarding coping strategies (Study 1), easier access to self-knowledge, and better narrative organization (Study 2). Furthermore, individuals characterized as being prone to feeling secondary mixed emotions were more resilient to stress caused by transitions than those who were characterized as being prone to feeling opposing emotions separately (Study 3). Taken together, the preliminary results indicate that the pattern of secondary mixed emotion provides individuals with a higher capacity to handle adversity than the other two patterns of mixed emotional experience. PMID:25084461

  1. Conservation Reserve Program mitigates grassland loss in the lesser prairie-chicken range of Kansas

    Science.gov (United States)

    Haukos, David A.; Spencer, David; Hagen, Christian A.; Daniels, Melinda D.; Goodin, Doug

    2017-01-01

    Since the beginning of the 20th century, the overall occupied range of the lesser prairie-chicken (Tympanuchus pallidicinctus) has declined by 84% commensurate with population trends. Much of this decline has been attributed to the loss and fragmentation of native grasslands throughout the lesser prairie-chicken range. However, quantification of changes in land cover in the distribution of the lesser prairie-chicken is lacking. Our objectives were to (1) document changes in the areal extent and connectivity of grasslands in the identified lesser prairie-chicken range in Kansas, USA, (>60% of extant lesser prairie-chicken population) from the 1950s to 2013 using remotely sensed data and (2) assess the potential of the Conservation Reserve Program (U.S. Department of Agriculture Program converting cropland to permanent cover; CRP) to mitigate grassland loss. Digital land cover maps were generated on a decadal time step through spectral classification of LANDSAT images and visual analysis of aerial photographs (1950s and 1960s). Landscape composition and configuration were assessed using FRAGSTATS to compute a variety of landscape metrics measuring changes in the amount of grassland present as well as changes in the size and configuration of grassland patches. With the exception of a single regional portion of the range, nearly all of the grassland converted to cropland in the lesser prairie-chicken range of Kansas occurred prior to the 1950s. Prior to the implementation of CRP, the amount of grassland decreased 3.6% between the 1950s and 1985 from 18,455 km2 to 17,788 km2. Since 1985, the overall amount of grassland in the lesser prairie-chicken range has increased 11.9% to 19,898 km2 due to implementation of CRP, although the area of grassland decreased between 1994 and 2013 as CRP contracts were not renewed by landowners. Since 1986 grassland in Kansas became more connected and less fragmented in response to the CRP. While the CRP has been successful in

  2. Conservation Reserve Program mitigates grassland loss in the lesser prairie-chicken range of Kansas

    Directory of Open Access Journals (Sweden)

    David Spencer

    2017-01-01

    Full Text Available Since the beginning of the 20th century, the overall occupied range of the lesser prairie-chicken (Tympanuchus pallidicinctus has declined by 84% commensurate with population trends. Much of this decline has been attributed to the loss and fragmentation of native grasslands throughout the lesser prairie-chicken range. However, quantification of changes in land cover in the distribution of the lesser prairie-chicken is lacking. Our objectives were to (1 document changes in the areal extent and connectivity of grasslands in the identified lesser prairie-chicken range in Kansas, USA, (>60% of extant lesser prairie-chicken population from the 1950s to 2013 using remotely sensed data and (2 assess the potential of the Conservation Reserve Program (U.S. Department of Agriculture Program converting cropland to permanent cover; CRP to mitigate grassland loss. Digital land cover maps were generated on a decadal time step through spectral classification of LANDSAT images and visual analysis of aerial photographs (1950s and 1960s. Landscape composition and configuration were assessed using FRAGSTATS to compute a variety of landscape metrics measuring changes in the amount of grassland present as well as changes in the size and configuration of grassland patches. With the exception of a single regional portion of the range, nearly all of the grassland converted to cropland in the lesser prairie-chicken range of Kansas occurred prior to the 1950s. Prior to the implementation of CRP, the amount of grassland decreased 3.6% between the 1950s and 1985 from 18,455 km2 to 17,788 km2. Since 1985, the overall amount of grassland in the lesser prairie-chicken range has increased 11.9% to 19,898 km2 due to implementation of CRP, although the area of grassland decreased between 1994 and 2013 as CRP contracts were not renewed by landowners. Since 1986 grassland in Kansas became more connected and less fragmented in response to the CRP. While the CRP has been successful

  3. Hepatic element concentrations of lesser scaup (aythya affinis) during spring migration in the upper midwest

    Science.gov (United States)

    Pillatzki, A.E.; Neiger, R.D.; Chipps, S.R.; Higgins, K.F.; Thiex, N.; Afton, A.D.

    2011-01-01

    High concentrations of some hepatic elements might be contributing to the decline of the continental lesser scaup (Aythya affinis) population. We evaluated hepatic element concentrations of male and female lesser scaup collected from the upper Midwest (Iowa, Minnesota, North Dakota, and South Dakota) during the 2003 and 2004 spring migrations. We measured concentrations of 24 elements in livers of 117 lesser scaup. We found that only selenium concentrations were at levels (>3.0 ??g/g wet weight [ww)]) proposed to adversely affect reproduction. Approximately 49% of females (n = 61) had individual hepatic concentrations >3.0 ??g/g ww selenium (Se). Our observed hepatic concentration of Se was similar to that reported in lesser scaup collected from the mid-continental United States but less than Se concentrations reported from the Great Lakes region. We found that the liver cadmium (Cd) concentration for males was significantly higher than that for females. Gender differences in hepatic Cd concentrations have not been previously reported for lesser scaup, but Cd is known to have negative impacts on male reproduction. Our results indicate that lesser scaup migrating through the upper Midwest in spring have elevated Se levels and that males carry a significantly greater Cd burden than females. Moreover, elemental concentrations might be high enough to affect reproduction in both male and female lesser scaup, but controlled laboratory studies are needed to adequately assess the effects of Se and Cd on lesser scaup reproduction. ?? 2010 Springer Science+Business Media, LLC.

  4. The health benefits of secondary education in adolescents and young adults: An international analysis in 186 low-, middle- and high-income countries from 1990 to 2013

    OpenAIRE

    Russell M. Viner; Dougal S. Hargreaves; Joseph Ward; Chris Bonell; Ali H. Mokdad; George Patton

    2017-01-01

    Background: The health benefits of secondary education have been little studied. We undertook country-level longitudinal analyses of the impact of lengthening secondary education on health outcomes amongst 15-24 year olds. Methods: Exposures: average length of secondary and primary education from 1980 to 2013. Data/Outcomes: Country level adolescent fertility rate (AFR), HIV prevalence and mortality rate from 1989/90 to 2013 across 186 low-, middle- and high-income countries. Analysi...

  5. Modified Mitchell osteotomy alone does not have higher rate of residual metatarsalgia than combined first and lesser metatarsal osteotomy

    Directory of Open Access Journals (Sweden)

    Shu-Jung Chen

    2015-04-01

    Full Text Available Transfer metatarsalgia (TM is a common forefoot disorder secondary to hallux valgus (HV. Some authors suggest that a combined lesser metatarsal osteotomy while undergoing HV surgery improves metatarsalgia, whereas others concluded that isolated HV corrective osteotomy can improve symptomatic metatarsalgia. The main purpose of this retrospective study was to compare clinical outcomes in patients with and without combined lesser metatarsal osteotomy while receiving HV correction surgery. We retrospectively reviewed the patients who underwent osteotomy for HV correction between January 2000 and December 2010. All patients underwent HV correction with modified Mitchell osteotomy. Clinical evaluations including the American Orthopaedic Foot and Ankle Society score and residual metatarsalgia were assessed, and radiographic measurements were carried out. Sixty-five patients (83 feet meeting the selection criteria were enrolled. Thirty feet receiving a combined lesser metatarsal osteotomy were classified as the combined surgery (CS group, and the others were classified as the control (CN group (53 feet. The overall rate of persistent symptomatic metatarsalgia was 19.28% after operative treatment. There were six feet with residual metatarsalgia in the CS group, and 10 feet in the CN group. There was no significant difference in the rate of persistent symptoms between the two groups (p = 0.9. According to this result, modified Mitchell osteotomy alone did not have a higher rate of residual metatarsalgia than CS. We also found that the average recovery rate of TM was about 80.7% and those patients whose preoperative HV angle was > 30° had the higher risk of residual metatarsalgia after surgery.

  6. Comparative nutritional evaluation of some lesser known non ...

    African Journals Online (AJOL)

    Comparative nutritional evaluation of some lesser known non leguminous browse ... Dry matter (DM), crude protein (CP), crude fibre (CF) and ash level of the ... to be useful to ruminants as dietary supplement to poor quality dry season feed ...

  7. The trickle-down effect of predictability: Secondary task performance benefits from predictability in the primary task.

    Directory of Open Access Journals (Sweden)

    Magdalena Ewa Król

    Full Text Available Predictions optimize processing by reducing attentional resources allocation to expected or predictable sensory data. Our study demonstrates that these saved processing resources can be then used on concurrent stimuli, and in consequence improve their processing and encoding. We illustrate this "trickle-down" effect with a dual task, where the primary task varied in terms of predictability. The primary task involved detection of a pre-specified symbol that appeared at some point of a short video of a dot moving along a random, semi-predictable or predictable trajectory. The concurrent secondary task involved memorization of photographs representing either emotionally neutral or non-neutral (social or threatening content. Performance in the secondary task was measured by a memory test. We found that participants allocated more attention to unpredictable (random and semi-predictable stimuli than to predictable stimuli. Additionally, when the stimuli in the primary task were more predictable, participants performed better in the secondary task, as evidenced by higher sensitivity in the memory test. Finally, social or threatening stimuli were allocated more "looking time" and a larger number of saccades than neutral stimuli. This effect was stronger for the threatening stimuli than social stimuli. Thus, predictability of environmental input is used in optimizing the allocation of attentional resources, which trickles-down and benefits the processing of concurrent stimuli.

  8. The trickle-down effect of predictability: Secondary task performance benefits from predictability in the primary task.

    Science.gov (United States)

    Król, Magdalena Ewa; Król, Michał

    2017-01-01

    Predictions optimize processing by reducing attentional resources allocation to expected or predictable sensory data. Our study demonstrates that these saved processing resources can be then used on concurrent stimuli, and in consequence improve their processing and encoding. We illustrate this "trickle-down" effect with a dual task, where the primary task varied in terms of predictability. The primary task involved detection of a pre-specified symbol that appeared at some point of a short video of a dot moving along a random, semi-predictable or predictable trajectory. The concurrent secondary task involved memorization of photographs representing either emotionally neutral or non-neutral (social or threatening) content. Performance in the secondary task was measured by a memory test. We found that participants allocated more attention to unpredictable (random and semi-predictable) stimuli than to predictable stimuli. Additionally, when the stimuli in the primary task were more predictable, participants performed better in the secondary task, as evidenced by higher sensitivity in the memory test. Finally, social or threatening stimuli were allocated more "looking time" and a larger number of saccades than neutral stimuli. This effect was stronger for the threatening stimuli than social stimuli. Thus, predictability of environmental input is used in optimizing the allocation of attentional resources, which trickles-down and benefits the processing of concurrent stimuli.

  9. Lesser prairie-chicken nest site selection, microclimate, and nest survival in association with vegetation response to a grassland restoration program

    Science.gov (United States)

    Boal, Clint W.; Grisham, Blake A.; Haukos, David A.; Zavaleta, Jennifer C.; Dixon, Charles

    2014-01-01

    captured at individual leks, and then for all leks pooled. There was no clear pattern of selection for treatment type for nest placement among hens associated with individual leks; however, when hens from all leks were pooled, we found nesting lesser prairie-chickens selected control plots for nesting over plots that were grazed, treated with tebuthiuron, or were both grazed and treated with tebuthiuron. Overall, the probability of a nest surviving the incubation period was 0.57 for this study and did not vary significantly among treatment types. In contrast to nesting preference for untreated habitats, lek use exhibited no noticeable selection of treatment type. Over the 10 years of the habitat management study, there was 91 percent less sand shinnery oak (Quercus havardii) in treated areas than untreated areas. The removal of sand shinnery oak made environmental soil moisture more available for grasses and forbs to germinate and grow. Grasses increased by 149 percent and forbs increased by 257 percent in treated areas as compared to untreated areas throughout the study period. Our combined results, including our habitat selection analysis at the individual lek level, indicated that reduced rates of herbicide and short-duration grazing treatments were not detrimental to nesting lesser prairie-chickens and that populations of lesser prairie-chickens in shrub-dominated ecosystems may benefit from reduced rates of herbicide application and short duration of grazing that results in increased habitat heterogeneity.

  10. The health benefits of secondary education in adolescents and young adults: An international analysis in 186 low-, middle- and high-income countries from 1990 to 2013.

    Science.gov (United States)

    Viner, Russell M; Hargreaves, Dougal S; Ward, Joseph; Bonell, Chris; Mokdad, Ali H; Patton, George

    2017-12-01

    The health benefits of secondary education have been little studied. We undertook country-level longitudinal analyses of the impact of lengthening secondary education on health outcomes amongst 15-24 year olds. Exposures: average length of secondary and primary education from 1980 to 2013.Data/Outcomes: Country level adolescent fertility rate (AFR), HIV prevalence and mortality rate from 1989/90 to 2013 across 186 low-, middle- and high-income countries.Analysis: Longitudinal mixed effects models, entering secondary and primary education together, adjusted for time varying GDP and country income status. Longitudinal structural marginal models using inverse probability weighting (IPW) to take account of time varying confounding by primary education and GDP. Counterfactual scenarios of no change in secondary education since 1980/1990 were estimated from model coefficients for each outcome. Each additional year of secondary education decreased AFR by 8.4% in mixed effects models and 14.6% in IPW models independent of primary education and GDP. Counterfactual analyses showed the proportion of the reduction in adolescent fertility rate over the study period independently attributable to secondary education was 28% in low income countries. Each additional year of secondary education reduced mortality by 16.9% for 15-19 year and 14.8% for 20-24 year old young women and 11.4% for 15-19 year and 8.8% for 20-24 year old young men. Counterfactual scenarios suggested 12% and 23% of the mortality reduction for 15-19 and 20-24 year old young men was attributable to secondary education in low income countries. Each additional year of secondary education was associated with a 24.5% and 43.1% reduction in HIV prevalence amongst young men and women. The health benefits associated with secondary education were greater than those of primary education and were greatest amongst young women and those from low income countries. Secondary education has the potential to be a social vaccine

  11. Evaluation of tsunami risk in the Lesser Antilles

    Directory of Open Access Journals (Sweden)

    N. Zahibo

    2001-01-01

    Full Text Available The main goal of this study is to give the preliminary estimates of the tsunami risks for the Lesser Antilles. We investigated the available data of the tsunamis in the French West Indies using the historical data and catalogue of the tsunamis in the Lesser Antilles. In total, twenty-four (24 tsunamis were recorded in this area for last 400 years; sixteen (16 events of the seismic origin, five (5 events of volcanic origin and three (3 events of unknown source. Most of the tsunamigenic earthquakes (13 occurred in the Caribbean, and three tsunamis were generated during far away earthquakes (near the coasts of Portugal and Costa Rica. The estimates of tsunami risk are based on a preliminary analysis of the seismicity of the Caribbean area and the historical data of tsunamis. In particular, we investigate the occurrence of historical extreme runup tsunami data on Guadeloupe, and these data are revised after a survey in Guadeloupe.

  12. Desmoid tumor within lesser sac

    Directory of Open Access Journals (Sweden)

    Čolović Radoje

    2006-01-01

    Full Text Available Desmoid tumors or fibromatoses comprise a number of benign fibrous proliferative lesions that have local infiltrative growth and tendency to recur after incomplete excision. They never metastasize. The authors present a 31-year old woman who, due to epigastric pain and palpable mass detected on presentation, underwent the excision of firm tumorous mass, 210x140x115mm in diameter, from the lesser sac. Compressing the splenic vein, the tumor caused left-sided portal hypertension which subsided after the mass was removed. The recovery was uneventful. The histological examination verified typical desmoid tumor. Twelve years after surgery, the patient remained symptom-free with no signs of recurrence.

  13. Allium hookeri , Thw. Enum. A lesser known terrestrial perennial ...

    African Journals Online (AJOL)

    A lesser known terrestrial perennial herb used as food and its ethnobotanical ... from the wilderness, for consumption and traditional healing of various ailments. ... plants, the lifestyles of the people are changed and they prefer 'junk foods'.

  14. The value of CT in localizing primary and stomach-originated masses in the lesser sac

    International Nuclear Information System (INIS)

    Dong Peng; Wang Bin; Zhang Shizhuang; Chang Guanghui; Sun Xihe; Cheng Xin

    2007-01-01

    Objective: To investigate the normal CT manifestation of the vascular arch of the gastric lesser curvature, and to further probe the value of CT in the localization diagnosis of the primary and stomach-originated masses in the lesser sac. Methods: Contrast-enhanced CT scanning was performed in 51 normal individuals. Emphasis of image observation was focused on the CT manifestations of vascular arch of the gastric lesser curvature and the relation between the vascular arch and the gastric wall. Also contrast- enhanced CT scan was performed for seventeen cases of primary and stomach-originated masses in the lesser sac subsequently proved by surgery and pathology. Image analysis was focused on the relation between the mass and the vascular arch and its branches of the gastric lesser curvature, the shape of the mass, and the relation between the mass and the gastric wall. Results: The vascular arch of the gastric lesser curvature was clearly visualized in the fifty normal individuals. The tributaries of the vascular arch near the cardiac part, gastric corpus, and pyloric part were revealed in 42, 10 and 7 cases respectively. The vascular arch was in close contact with the gastric wall in 38 cases. Among the 17 patients, 13 cases demonstrated the obliteration of the transparent fat plane between the mass and the gastric wall. In 6 patients with stomach- originated masses, 5 patients showed the stretching of vascular arch tributaries adjacent to the masses, and no vascular arch and its tributaries could be not visualized between the masses and the stomach. In 11 patients with primary masses in the lesser sac, vascular arch were showed between the masses and the stomach in 10 cases, and no stretching of vascular arch tributaries adjacent to the masses could be showed. Conclusions: CT scan can clearly depict the normal vascular arch and its branches of the gastric lesser curvature. Based on the relation between the vascular arch and the gastric wall, the presence of fat

  15. An amateur botanist on the Lesser Sunda Islands

    NARCIS (Netherlands)

    Schmutz, Erwin

    1976-01-01

    Tabula Rasa. In 1963 as a missionary I arrived in the Flora Malesiana region, notably in the Lesser Sunda Islands. A certain ’sensus botanicus’ was my only equipment for botanical surveys, and the next thing to do was to walk the arduous but occasionally quite entertaining road to discovery. I often

  16. Metatarsophalangeal joint stability: A systematic review on the plantar plate of the lesser toes

    NARCIS (Netherlands)

    Maas, N.M.G. (Nico M.G.); M. van der Grinten (Margot); W.M. Bramer (Wichor); G.J. Kleinrensink (Gert Jan)

    2016-01-01

    textabstractBackground: Instability of the metatarsophalangeal (MTP) joints of the lesser toes (digiti 2-5) is increasingly being treated by repair of the plantar plate (PP). This systematic review examines the anatomy of the plantar plate of the lesser toes, and the relation between the integrity

  17. 78 FR 26302 - Endangered and Threatened Wildlife and Plants; Listing the Lesser Prairie-Chicken as a Threatened...

    Science.gov (United States)

    2013-05-06

    ...; 4500030113] RIN 1018-AY21 Endangered and Threatened Wildlife and Plants; Listing the Lesser Prairie-Chicken... the lesser prairie-chicken (Tympanuchus pallidicinctus). In addition, we announce the reopening of the public comment period on the December 11, 2012, proposed rule to list the lesser prairie-chicken as a...

  18. Deformation mechanisms in the frontal Lesser Himalayan Duplex in ...

    Indian Academy of Sciences (India)

    kinematics of the LHD is in the process of being worked out .... also played a major role in the deformation process as evident from .... mation occurred at shallow crustal levels within ..... deep structure of the outer and Lesser Himalaya, Jumoan.

  19. Vaccine-induced canine distemper in a lesser panda.

    Science.gov (United States)

    Bush, M; Montali, R J; Brownstein, D; James, A E; Appel, M J

    1976-11-01

    A fatal disease occurred in a lesser panda (Ailurus fulgens) 2 weeks after vaccination with modified live distemper vaccine. The disease clinically resembled canine distemper. Pathologically there was giant cell pneumonia, with canine distemper viral inclusion bodies in pulmonary and digestive tract epithelium. Viral isolates were indicative of an attenuated strain rather than virulent types.

  20. Sex determination in the Lesser Flamingo ( Phoenicopterus minor ...

    African Journals Online (AJOL)

    PCR amplification of the CHD-Z and CHD-W genes using DNA extracted from the blood samples was used to determine the sex of each bird. There were significant differences in mass and tarsus length among the three age groups, indicating that Lesser Flamingos continue to grow in skeletal size and mass between ...

  1. Landscape composition creates a threshold influencing Lesser Prairie-Chicken population resilience to extreme drought

    Science.gov (United States)

    Ross, Beth E.; Haukos, David A.; Hagen, Christian A.; Pitman, James C.

    2016-01-01

    Habitat loss and degradation compound the effects of climate change on wildlife, yet responses to climate and land cover change are often quantified independently. The interaction between climate and land cover change could be intensified in the Great Plains region where grasslands are being converted to row-crop agriculture concurrent with increased frequency of extreme drought events. We quantified the combined effects of land cover and climate change on a species of conservation concern in the Great Plains, the Lesser Prairie-Chicken (Tympanuchus pallidicinctus  ). We combined extreme drought events and land cover change with lek count surveys in a Bayesian hierarchical model to quantify changes in abundance of male Lesser Prairie-Chickens from 1978 to 2014 in Kansas, the core of their species range. Our estimates of abundance indicate a gradually decreasing population through 2010 corresponding to drought events and reduced grassland areas. Decreases in Lesser Prairie-Chicken abundance were greatest in areas with increasing row-crop to grassland land cover ratio during extreme drought events, and decreased grassland reduces the resilience of Lesser Prairie-Chicken populations to extreme drought events. A threshold exists for Lesser Prairie-Chickens in response to the gradient of cropland:grassland land cover. When moving across the gradient of grassland to cropland, abundance initially increased in response to more cropland on the landscape, but declined in response to more cropland after the threshold (δ=0.096, or 9.6% cropland). Preservation of intact grasslands and continued implementation of initiatives to revert cropland to grassland should increase Lesser Prairie-Chicken resilience to extreme drought events due to climate change.

  2. First complete genome sequence of parainfluenza virus 5 isolated from lesser panda.

    Science.gov (United States)

    Zhai, Jun-Qiong; Zhai, Shao-Lun; Lin, Tao; Liu, Jian-Kui; Wang, He-Xing; Li, Bing; Zhang, He; Zou, Shu-Zhan; Zhou, Xia; Wu, Meng-Fan; Chen, Wu; Luo, Man-Lin

    2017-05-01

    Parainfluenza virus 5 (PIV5) is widespread in mammals and humans. Up to now, there is little information about PIV5 infection in lesser pandas. In this study, a PIV5 variant (named ZJQ-221) was isolated from a lesser panda with respiratory disease in Guangzhou zoo in Guangdong province, southern China. The full-length genome of ZJQ-221 was found to be 15,246 nucleotides and consisted of seven non-overlapping genes encoding eight proteins (i.e., NP, V, P, M, F, SH, HN and L). Sequence alignment and genetic analysis revealed that ZJQ-221 shared a close relationship with a PIV5 strain of canine-origin (1168-1) from South Korea. The findings of this study confirm the presence of PIV5 in lesser panda and indicate this mammal as a possible natural reservoir. Furthermore they highlight the urgent need to strengthen viral surveillance and control of PIV5 in zoo animals.

  3. The problem of lesser evil within the context of public health

    Directory of Open Access Journals (Sweden)

    Janusz Sytnik-Czetwertyński

    2016-10-01

    Szkoła Zdrowia Publicznego w Warszawie, Poland     Abstract   The issue of public health also includes broad ethical questions. It is here for instance that we find so-called decisions of conscience. Since medical practice is full of moral dilemmas, transferred into the domain of public health, for instance when a doctor decides to provide, in individual cases, costly medical procedures while being simultaneously aware that the funds used for these procedures, could save many more people whose ailments are less costly. These situations force the medical practitioner into making a decision, despite the fact that all the possible choices are morally reprehensible . There exist many moral dilemmas, where the person making the decision cannot find a satisfactory solution, while also being forced to make a decision. Normally, the decision maker then calls upon the category of so-called lesser evil. But this category is no justification – lesser evil is still evil. Which is why it is worth asking what the situation of lesser evil is for the decision maker . What is a moral choice within a public health policy?   Key words: public health, the ethical dilemma, naturalism

  4. Interactive effects between nest microclimate and nest vegetation structure confirm microclimate thresholds for Lesser Prairie-Chicken nest survival

    Science.gov (United States)

    Grisham, Blake A.; Godar, Alixandra J.; Boal, Clint W.; Haukos, David A.

    2016-01-01

    The range of Lesser Prairie-Chickens (Tympanuchus pallidicinctus) spans 4 unique ecoregions along 2 distinct environmental gradients. The Sand Shinnery Oak Prairie ecoregion of the Southern High Plains of New Mexico and Texas is environmentally isolated, warmer, and more arid than the Short-Grass, Sand Sagebrush, and Mixed-Grass Prairie ecoregions in Colorado, Kansas, Oklahoma, and the northeast panhandle of Texas. Weather is known to influence Lesser Prairie-Chicken nest survival in the Sand Shinnery Oak Prairie ecoregion; regional variation may also influence nest microclimate and, ultimately, survival during incubation. To address this question, we placed data loggers adjacent to nests during incubation to quantify temperature and humidity distribution functions in 3 ecoregions. We developed a suite of a priori nest survival models that incorporated derived microclimate parameters and visual obstruction as covariates in Program MARK. We monitored 49 nests in Mixed-Grass, 22 nests in Sand Shinnery Oak, and 30 nests in Short-Grass ecoregions from 2010 to 2014. Our findings indicated that (1) the Sand Shinnery Oak Prairie ecoregion was hotter and drier during incubation than the Mixed- and Short-Grass ecoregions; (2) nest microclimate varied among years within ecoregions; (3) visual obstruction was positively associated with nest survival; but (4) daily nest survival probability decreased by 10% every half-hour when temperature was greater than 34°C and vapor pressure deficit was less than −23 mmHg during the day (about 0600–2100 hours). Our major finding confirmed microclimate thresholds for nest survival under natural conditions across the species' distribution, although Lesser Prairie-Chickens are more likely to experience microclimate conditions that result in nest failures in the Sand Shinnery Oak Prairie ecoregion. The species would benefit from identification of thermal landscapes and management actions that promote cooler, more humid nest microclimates.

  5. First Evidence of Angiostrongyliasis Caused by Angiostrongylus cantonensis in Guadeloupe, Lesser Antilles

    Science.gov (United States)

    Dard, Céline; Piloquet, Jean-Eudes; Qvarnstrom, Yvonne; Fox, LeAnne M.; M'kada, Helmi; Hebert, Jean-Christophe; Mattera, Didier; Harrois, Dorothée

    2017-01-01

    Infection by the rat lungworm Angiostrongylus cantonensis represents the most common cause of infectious eosinophilic meningitis in humans, causing central nervous system (CNS) angiostrongyliasis. Most of CNS angiostrongyliasis cases were described in Asia, Pacific Basin, Australia, and some limited parts of Africa and America. CNS angiostrongyliasis has been reported in the Caribbean but never in the Lesser Antilles. The primary objectives of this study were to depict the first case of CNS angiostrongyliasis in the Lesser Antilles and investigate the environmental presence of A. cantonensis in Guadeloupe, Lesser Antilles. In December 2013, a suspected case of CNS angiostrongyliasis in an 8-month-old infant in Guadeloupe was investigated by real-time polymerase chain reaction (PCR) testing on cerebral spinal fluid (CSF). The environmental investigation was performed by collecting Achatina fulica molluscs from different parts of Guadeloupe and testing the occurrence of A. cantonensis by real-time PCR. CSF from the suspected case of angiostrongyliasis was positive for A. cantonensis by real-time PCR. Among 34 collected snails for environmental investigation, 32.4% were positive for A. cantonensis. In conclusion, we report the first laboratory-confirmed case of CNS-angiostrongyliasis in the Lesser Antilles. We identified the presence and high prevalence of A. cantonensis in A. fulica in Guadeloupe. These results highlight the need to increase awareness of this disease and implement public health programs in the region to prevent human cases of angiostrongyliasis and improve management of eosinophilic meningitis patients. PMID:28070007

  6. [DESIGN AND CLINICAL APPLICATION OF LESSER TROCHANTERIC REDUCTION FIXATION SYSTEM].

    Science.gov (United States)

    Guo, Xiaoze; Zhang, Ying; Xiao, Jin; Xie, Huibin; Yu, Jiefeng

    2015-02-01

    To design and produce a lesser trochanteric reduction fixation system and verify its value and effectiveness. A lesser trochanteric reduction fixation system was designed and produced according to the anatomical features of the lesser trochanteric fractures. Sixty-six patients with intertrochanteric fractures of Evans type III were included between January 2010 and July 2012. Of 66 patients, 32 were treated with dynamic hip screw (DHS) assisted with the lesser trochanteric reduction fixation system (study group), and 34 cases were treated with DHS only (control group). The 2 groups were comparable with no significant difference in gender, age, the reasons, and the types of the fractures (P > 0.05). The operation time, intraoperative blood loss, neck-shaft angle, bone healing time, ratio of successful fixations, and the functional evaluation of the hip joint after operation were compared between 2 groups. The study group had shorter operation time [(58.4 ± 5.3) minutes] and less intraoperative blood loss [(186.3 ± 6.6) mL than the control group [(78.5 ± 6.2)minutes and (246.2 ± 8.7) mL], showing significant differences (t = -14.040, P = 0.000; t = -31.145, P = 0.000). There was no significant difference in neck-shaft angle between study group [(138.6 ± 3.0)] and control group [(139.4 ± 2.9) degrees] (t = -1.044, P = 0.301). The wounds healed by first intention in both groups. The 30 and 31 patients were followed up 12 to 24 months (mean, 15 months) in the study group, and 13 to 25 months (mean, 16 months) in the control group, respectively. All fractures healed well in 2 groups. The study group had significantly shorter healing time [(8.8 ± 2.0) weeks] than the control group [(10.7 ± 3.4) weeks] (t = -2.871, P = 0.006). At 12 months after operation, coxa vara happened in 2 cases of the study group with a successful fixation ratio of 93.3% and in 10 cases of the control group with a successful fixation ratio of 67.7%, showing significant difference (Χ2 = 6

  7. 20 CFR 404.535 - How much will we withhold from your title VIII and title XVI benefits to recover a title II...

    Science.gov (United States)

    2010-04-01

    ... 20 Employees' Benefits 2 2010-04-01 2010-04-01 false How much will we withhold from your title... Officer § 404.535 How much will we withhold from your title VIII and title XVI benefits to recover a title II overpayment? (a) If past-due benefits are payable to you, we will withhold the lesser of the...

  8. The Level of Utilization of Secondary Timber Species among Furniture Producers

    OpenAIRE

    Antwi-Boasiako, Charles; Boadu, Kwadwo Boakye

    2016-01-01

    Background and Purpose: Inadequate supply of wood raw material is one of the major obstacles for the global furniture industry’s growth. Several secondary timbers/Lesser-Utilized-Species (LUS) that could substitute the scarce traditional timbers for furniture production exist in tropical forests. However, the industry continuously faces persistent timber shortages. The extent to which manufacturers utilize LUS as alternatives is unclear, which this study sought to ascertain. Materials and ...

  9. Elements of a unified prognostic model for secondary air contamination by resuspension

    International Nuclear Information System (INIS)

    Besnus, F.; Garger, E.; Gordeev, S.; Hollaender, W.; Kashparov, V.; Martinez-Serrano, J.; Mironov, V.; Nicholson, K.; Tschiersch, J.; Vintersved, I.

    1996-01-01

    Based on results of several joint experimental campaigns and an extensive literature survey, a prognostic model was constructed capable of predicting airborne activity concentrations and size distributions as well as soil surface activity concentrations as a function of time and meteorological conditions. Example scenario calculations show that agricultural practices are of lesser importance to secondary air contamination than dust storms immediately after primary deposition and forest fires

  10. Migration flyway of the Mediterranean breeding Lesser Crested Tern ...

    African Journals Online (AJOL)

    The Lesser Crested Tern Thalasseus bengalensis emigratus breeding population in the Mediterranean is found exclusively in Libya, on the two coastal islands of Gara and Elba and one wetland on the mainland coast at Benghazi. In order to improve knowledge of the species migration to wintering quarters in West Africa, ...

  11. Physicochemical and Organoleptic Properties of Dried Synbiotics Yoghurt from Lesser Yam Tubers (Dioscoreaesculenta L.

    Directory of Open Access Journals (Sweden)

    Winarti Sri

    2016-01-01

    Full Text Available There are many variations of Yam (Dioscorea spp. which spread out in the world including Indonesia. Those variations could be categorized based on their shape, size, colour, and flavour of their tuber. The genus of Dioscorea spp. has more than 600 species, such as Dioscorea hispida, Dioscorea esculenta (lesser yam, Discorea bulbifera, Dioscorea alata (purple yam, Dioscorea opposita (white yam, Dioscorea villosa (yellow yam, Dioscorea altassima, and Dioscorea elephantipes. At the present, the utilization of yam tubers is seen to be limited. The purpose of the research was to evaluate the properties/characteristics of dried synbiotics yoghurt from lesser yam tubers. The treatment on this study was performed by the number of substitution of lesser yam tubers and the fermentation time. The results show that the dried synbiotics yoghurt that most preferred by consumers was G2F3 (lesser yam 40% and fermentation time 22 hours with an average value 3.65. It is followed by the total LAB (lactic acid bacteria 8,15 log cfu/g, pH 4.27, total lactic acid 1.02%, yield of dried synbiotic yoghurt 32.30%, and total soluble protein 4.53%.

  12. Assessing range-wide habitat suitability for the Lesser Prairie-Chicken

    Science.gov (United States)

    Jarnevich, Catherine S.; Holcombe, Tracy R.; Grisham, Blake A.; Timmer, Jennifer M.; Boal, Clint W.; Butler, Matthew; Pitman, James C.; Kyle, Sean; Klute, David; Beauprez, Grant M.; Janus, Allan; Van Pelt, William E.

    2016-01-01

    Population declines of many wildlife species have been linked to habitat loss incurred through land-use change. Incorporation of conservation planning into development planning may mitigate these impacts. The threatened Lesser Prairie-Chicken (Tympanuchus pallidicinctus) is experiencing loss of native habitat and high levels of energy development across its multijurisdictional range. Our goal was to explore relationships of the species occurrence with landscape characteristics and anthropogenic effects influencing its distribution through evaluation of habitat suitability associated with one particular habitat usage, lekking. Lekking has been relatively well-surveyed, though not consistently, in all jurisdictions. All five states in which Lesser Prairie-Chickens occur cooperated in development of a Maxent habitat suitability model. We created two models, one with state as a factor and one without state. When state was included it was the most important predictor, followed by percent of land cover consisting of known or suspected used vegetation classes within a 5000 m area around a lek. Without state, land cover was the most important predictor of relative habitat suitability for leks. Among the anthropogenic predictors, landscape condition, a measure of human impact integrated across several factors, was most important, ranking third in importance without state. These results quantify the relative suitability of the landscape within the current occupied range of Lesser Prairie-Chickens. These models, combined with other landscape information, form the basis of a habitat assessment tool that can be used to guide siting of development projects and targeting of areas for conservation.

  13. Brand positioning strategies : an expiremental test ot two types of benefit differentiation

    OpenAIRE

    Hem, Alexander Farestvedt; Teslo, Per Christian Strand

    2012-01-01

    The purpose of this study is to examine associative- and instrumental benefit differentiation based on secondary associations as part of brand positioning. The field of brand positioning has been subject to extensive research, however, differentiation based on secondary associations and differences between instrumental- and associative benefit differentiation has received less attention. Instrumental benefit differentiation relates to benefits that are linked directly to product performance, ...

  14. Nutrient Content of Four Lesser – Known Green Leafy Vegetables ...

    African Journals Online (AJOL)

    Leaves of four lesser – known leafy vegetable species (Heinsiacrinita, Lasiantheraafricana, Colocasiaesculenta and Ipomeabatatas) used for traditional food preparations by the Efik and Ibibio ethnic groups in Nigeria were analyzed for proximate composition, amino acid profile and mineral contents. The leaves were ...

  15. The relative contribution of climate to changes in lesser prairie-chicken abundance

    Science.gov (United States)

    Ross, Beth E.; Haukos, David A.; Hagen, Christian A.; Pitman, James

    2016-01-01

    Managing for species using current weather patterns fails to incorporate the uncertainty associated with future climatic conditions; without incorporating potential changes in climate into conservation strategies, management and conservation efforts may fall short or waste valuable resources. Understanding the effects of climate change on species in the Great Plains of North America is especially important, as this region is projected to experience an increased magnitude of climate change. Of particular ecological and conservation interest is the lesser prairie-chicken (Tympanuchus pallidicinctus), which was listed as “threatened” under the U.S. Endangered Species Act in May 2014. We used Bayesian hierarchical models to quantify the effects of extreme climatic events (extreme values of the Palmer Drought Severity Index [PDSI]) relative to intermediate (changes in El Niño Southern Oscillation) and long-term climate variability (changes in the Pacific Decadal Oscillation) on trends in lesser prairie-chicken abundance from 1981 to 2014. Our results indicate that lesser prairie-chicken abundance on leks responded to environmental conditions of the year previous by positively responding to wet springs (high PDSI) and negatively to years with hot, dry summers (low PDSI), but had little response to variation in the El Niño Southern Oscillation and the Pacific Decadal Oscillation. Additionally, greater variation in abundance on leks was explained by variation in site relative to broad-scale climatic indices. Consequently, lesser prairie-chicken abundance on leks in Kansas is more strongly influenced by extreme drought events during summer than other climatic conditions, which may have negative consequences for the population as drought conditions intensify throughout the Great Plains.

  16. Digestibily of Some Kind of Alternative Diets on Lesser Mouse Deer (Tragulus javanicus

    Directory of Open Access Journals (Sweden)

    WR Farida

    2004-01-01

    Full Text Available Four female lesser mouse deer (Tragulus javanicus were used in this study to observe their feed consumption and digestibility given alternative diets in captive.  The results showed that 125g/head/day sweet potatoes supplementation in ration increased the consumption and digestibility of dry matter intake, ash, ether extract, and N-free extract. Supplementation of commercial concentrate in lesser mouse deer’s diet decreased the digestion of dry matter, ash, crude protein, and crude fiber. Animal Production 6(1: 17-22 (2004   Key Words: Digestibility, Consumption, Alternative Diets, Tragulus javanicus

  17. Geological and Geochemical Criteria for the Estimation of the Area of The Lesser Hinggan for the Endogenous Gold Mineralization (The Far East, Russia)

    Science.gov (United States)

    Yurchenko, Yuriy

    2015-04-01

    The Area of the Lesser Hinggan in the middle of the XIX century has been known as one of the Gold areas of the Far East. Exploration of gold in different years were engaged by P.K. Yavorovskiy (1904), E.E. Anert (1928), G.V. Itsikson (1961), V.A. Buryak (1999, 2002, 2003), A.M. Zhirnov (1998, 2000, 2008), L.V. Eyrish (1960, 1964, 1995, 1999, 2002, 2008) and many others. But despite the abundance of factual materials in the problem of the gold metallogeny of the Lesser Hinggan are more aspects that still have not received a answer. Among them is the key issue about indigenous sources of the gold. First for the Lesser Hinggan area, structural-geochemical zoning at 1:200 000 scale was carried out based on the results of the precise analyses of over 2,600 soil and sediment stream samples. Three anomalous geochemical zones and nine anomalous geochemical clusters in their contours specialized for gold mineralization were revealed. Regional clarkes (fersms) for 19 chemical elements were calculated. Geological formations geochemically specialized for gold and their role in endogenous ore-forming processes were defined. Geochemical criteria for endogenous gold mineralization and its ore-formational affiliation were defined as well. Thus, from the geological and geochemical data, are the following signs of the gold mineralization of the Lesser Hinggan: 1. Some geological formations are geochemical specialized by the gold (carbon ("black") schists and ferruginous quartzite Vendian-Cambrian Hinggan series). They're considered as a source of the gold, involved in younger epigenetic processes of mobilization and redistribution of this element; 2. Contrasting geochemical anomalies of the gold and elements satellites in the secondary halos and stream sediments displayed in the contours of the geological formations of a wide age range - terrigenous-carbonate rocks of the Hinggan series, the Paleozoic granitoid massives, the Cretaceous volcanic fields ; 3. Samples of the native gold

  18. Variation in Crustal Structure of the Lesser Caucasus Region from Teleseismic Receiver Functions

    Science.gov (United States)

    Lin, C. M.; Tseng, T. L.; Huang, B. S.; Legendre, C. P.; Karakhanian, A.

    2016-12-01

    The Caucasus, including the mountains of Greater and Lesser Caucasus, is formed by the continental collision between Arabia and Eurasia. The crustal thickness for this region was mostly constrained by joint analysis of receiver functions and surface waves. Although the thickest value of 52 km was reported under the Lesser Caucasus, the resolution of earlier studies were often limited by sparse array. Large gradient across Moho also makes the definition of Moho difficult. Moreover, higher value of the Vp/Vs ratio is commonly reported in the northeastern Turkey but no estimates had been made for the Caucasus. To further investigate the detail structure around the Lesser Caucasus, we constructed a new seismic network in Georgia and Armenia. We also include other broadband stations to enhance the coverage. The average interval in the Lesser Caucasus is roughly 30 km, much denser than any previous experiments. We selected P-waveforms from teleseismic earthquakes during the operation (January 2012 - June 2016) to calculate receiver functions and then estimate the crustal thickness (H) and Vp/Vs ratio (k) with the H-k stacking technique. Our preliminary results show that Moho depth increases from 40 km under the northeastern Turkey to 50 km beneath northern Georgia, no station with Moho deeper than 50 km under the Lesser Caucasus. The Vp/Vs ratios in the northeastern Anatolian plateau are around 1.8, which is slightly higher than the average of global continents but consistent with the previous estimates. Further to the east, some stations show anomalously higher Vp/Vs ratio in central & southern Armenia that may be associated with Holocene volcanism. In the future, we plan to join locally measured dispersion curves to invert the velocity model without velocity-depth trade-off. We expect to resolve the velocity variations of the crust beneath this region in small scale that may be tied to the continental collision and surface volcanism. Keywords: Caucasus, receiver

  19. Secondary forest regeneration benefits old-growth specialist bats in a fragmented tropical landscape.

    Science.gov (United States)

    Rocha, Ricardo; Ovaskainen, Otso; López-Baucells, Adrià; Farneda, Fábio Z; Sampaio, Erica M; Bobrowiec, Paulo E D; Cabeza, Mar; Palmeirim, Jorge M; Meyer, Christoph F J

    2018-02-28

    Tropical forest loss and fragmentation are due to increase in coming decades. Understanding how matrix dynamics, especially secondary forest regrowth, can lessen fragmentation impacts is key to understanding species persistence in modified landscapes. Here, we use a whole-ecosystem fragmentation experiment to investigate how bat assemblages are influenced by the regeneration of the secondary forest matrix. We surveyed bats in continuous forest, forest fragments and secondary forest matrix habitats, ~15 and ~30 years after forest clearance, to investigate temporal changes in the occupancy and abundance of old-growth specialist and habitat generalist species. The regeneration of the second growth matrix had overall positive effects on the occupancy and abundance of specialists across all sampled habitats. Conversely, effects on generalist species were negligible for forest fragments and negative for secondary forest. Our results show that the conservation potential of secondary forests for reverting faunal declines in fragmented tropical landscapes increases with secondary forest age and that old-growth specialists, which are often of most conservation concern, are the greatest beneficiaries of secondary forest maturation. Our findings emphasize that the transposition of patterns of biodiversity persistence in island ecosystems to fragmented terrestrial settings can be hampered by the dynamic nature of human-dominated landscapes.

  20. 42 CFR 102.33 - Death benefits.

    Science.gov (United States)

    2010-10-01

    ... PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES VACCINES SMALLPOX COMPENSATION PROGRAM... are described in § 102.82. As provided in § 102.84, the Secretary retains the right to recover death... secondary to disability benefits under the PSOB Program. Any death benefit paid under the standard...

  1. Regional Variation in mtDNA of the Lesser Prairie-Chicken

    Science.gov (United States)

    Hagen, Christian A.; Pitman, James C.; Sandercock, Brett K.; Wolfe, Don H.; Robel, Robel J.; Applegate, Roger D.; Oyler-McCance, Sara J.

    2010-01-01

    Cumulative loss of habitat and long-term decline in the populations of the Lesser Prairie-Chicken (Tympanuchus pallidicinctus) have led to concerns for the species' viability throughout its range in the southern Great Plains. For more efficient conservation past and present distributions of genetic variation need to be understood. We examined the distribution of mitochondrial DNA (mtDNA) variation in the Lesser Prairie-Chicken across Kansas, Colorado, Oklahoma, and New Mexico. Throughout the range we found little genetic differentiation except for the population in New Mexico, which was significantly different from most other publications. We did, however, find significant isolation by distance at the rangewide scale (r=0.698). We found no relationship between haplotype phylogeny and geography, and our analyses provide evidence for a post-glacial population expansion within the species that is consistent with the idea that speciation within Tympanuchus is recent. Conservation actions that increase the likelihood of genetically viable populations in the future should be evaluated for implementation.

  2. Secondary benefit of maintaining normal transcranial Doppler velocities when using hydroxyurea for prevention of severe sickle cell anemia.

    Science.gov (United States)

    Ghafuri, Djamila Labib; Chaturvedi, Shruti; Rodeghier, Mark; Stimpson, Sarah-Jo; McClain, Brandi; Byrd, Jeannie; DeBaun, Michael R

    2017-07-01

    In a retrospective cohort study, we tested the hypothesis that when prescribing hydroxyurea (HU) to children with sickle cell anemia (SCA) to prevent vaso-occlusive events, there will be a secondary benefit of maintaining low transcranial Doppler (TCD) velocity, measured by imaging technique (TCDi). HU was prescribed for 90.9% (110 of 120) of children with SCA ≥5 years of age and followed for a median of 4.4 years, with 70% (n = 77) receiving at least one TCDi evaluation after starting HU. No child prescribed HU had a conditional or abnormal TCDi measurement. HU initiation for disease severity prevention decreases the prevalence of abnormal TCDi velocities. © 2016 Wiley Periodicals, Inc.

  3. 42 CFR 102.2 - Summary of available benefits.

    Science.gov (United States)

    2010-10-01

    ... Public Health PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES VACCINES SMALLPOX... benefits paid under § 102.82(c) are secondary to death and disability benefits under the PSOB Program. The... potential third-party payor makes a determination on the availability of similar benefits and has the right...

  4. Regional development of districts in the Lesser Poland Voivodship

    Directory of Open Access Journals (Sweden)

    Marcin Salamaga

    2013-11-01

    Full Text Available Purpose of the article: Regional development includes qualitative changes in economy (e.g. in production, investments, employment as well as qualitative changes (regarding the structure of economy and society, changes in the environment. The research of regional development is important and necessary in order to make appropriate decisions at the regional and local level. The main purpose of the article is comparative analysis of districts in the Lesser Poland Voivodship in the area of economic, social and ecological development. Scientific aim: The scientific aims of paper are verifying the hypothesis concerning eco-development and forecasting the level of regional development in districts of Lesser Poland Voivodship. Methodology/methods: In the research of regional development the quality index of economic, social and ecological development has been proposed which has been calculated on the basis of a certain aggregation of the results of the Principal Component Analysis made on the correlation matrix of standardised variables being the components of the index. Forecasts of the regional development level in districts were calculated with the use of different econometric models as linear model, exponential model, or power model. Findings: The findings prove that the Lesser Poland Voivodship is characterised by considerable disproportions in regional development. The most favourable conditions for economic and social development are in the districts with large city agglomerations as well as extensive municipality infrastructure and transport infrastructure. The presented results demonstrate that the majority of districts have not exhibited a constant tendency to changes in the positions in successive ranking lists in terms of the economic, social and ecological development. The positions occupied by most districts are generally stable and have not changed considerably in the examined period. Conclusions: The research has confirmed the negative

  5. CT of the lesser pelvis - normal and abnormal anatomy, indications, results

    International Nuclear Information System (INIS)

    Steinbrich, W.; Friedmann, G.

    1981-01-01

    385 abnormal computer tomograms of the organs in the lesser pelvis were analysed; the normal anatomy, indications for CT and its value are discussed. Particular attention is paid to the relevance of the computer tomographic information for treatment. (orig.) [de

  6. Breeding of Greater and Lesser Flamingos at Sua Pan, Botswana ...

    African Journals Online (AJOL)

    to fledging was unknown owing to the rapid drying of the pan in late March 1999. No Greater Flamingo breeding was seen that season. Exceptional flooding during 1999–2000 produced highly favourable breeding conditions, with numbers of Greater and Lesser Flamingos breeding estimated to be 23 869 and 64 287 pairs, ...

  7. 78 FR 75306 - Endangered and Threatened Wildlife and Plants; Listing the Lesser Prairie-Chicken as a Threatened...

    Science.gov (United States)

    2013-12-11

    ...; 4500030113] RIN 1018-AY21 Endangered and Threatened Wildlife and Plants; Listing the Lesser Prairie-Chicken... the conservation of the lesser prairie-chicken (Tympanuchus pallidicinctus). In addition, we announce... prairie-chicken as a threatened species under the Act. We also announce the availability of the final...

  8. Spatial differences in growth of lesser sandeel in the North Sea

    DEFF Research Database (Denmark)

    Rindorf, Anna; Wright, Peter J.; Jensen, Henrik

    2016-01-01

    Lesser sandeel, Ammodytes marinus, is a key prey to a variety of North Sea predators, including species such as single load seabirds which are highly sensitive to prey size and condition. Whilst differences in weight at age across the North Sea have been investigated previously, the scale and cause...... of this variation as well as the potential link to spatial differences in predator performance remains unknown. This study presents an analysis of spatial patterns in length and condition of the lesser sandeel in the North Sea and the relationship of these with physical and biological factors. Both mean length...... considerably both spatially and temporally, resulting in 4 fold and 1.9 fold variations in the number of sandeels required to obtain a specific weight, respectively. Hence, the value of sandeel as prey to single load predators varies considerably with values in central and northeastern North Sea being...

  9. Chemical and sensory characteristics of frozen wheygurt with the addition of taro and lesser yam flours as thickening agent

    Science.gov (United States)

    Nurhartadi, E.; Utami, R.; Widowati, E.; Karunawati, B. M.

    2018-01-01

    Cheese whey is a waste product from cheese processing. It has low solid contents thus required the addition of a thickening agent. Lactic acid bacteria could utilize it in the fermented drink. This research aims to study the effect of taro and lesser yam flour addition as a thickening agent on chemical and sensory characteristics of frozen wheygurt. This research used Complete Randomized Design (CRD) with one factor that is variation ratio of taro and lesser yam flour F1 (4: 0), F2 (3: 1), F3 (2: 2), F4 (1: 3), F5 (0: 4). The number of lactic acid bacteria cell determined by using hemocytometer. The lactic acid content determined by the titrimetric method by using 0.1 N NaOH and phenolphthalein as indicator. pH value measured with pH meter. Sensory characteristics evaluated using hedonic test. The result showed that the addition of taro and lesser yam flour have a significant effect on the number of lactic acid bacteria in frozen wheygurt. The higher lesser yam flour addition, the higher lactic acid bacteria count on frozen wheygurt, due to lesser yam higher glucose and fructo-oligosaccharide content than taro. The higher lesser yam addition, the higher the lactic acid produced. The higher the total bacteria and higher levels of lactic acid, the lower the pH obtained. The conclusion of this study is addition ratio of taro and lesser yam flour effect on the chemical characteristics of frozen wheygurt. There is no difference in the level of acceptance of the panelists in sensory evaluation.

  10. Benefits to poorly studied taxa of conservation of bird and mammal diversity on islands.

    Science.gov (United States)

    Aslan, Clare; Holmes, Nick; Tershy, Bernie; Spatz, Dena; Croll, Donald A

    2015-02-01

    Protected area delineation and conservation action are urgently needed on marine islands, but the potential biodiversity benefits of these activities can be difficult to assess due to lack of species diversity information for lesser known taxa. We used linear mixed effects modeling and simple spatial analyses to investigate whether conservation activities based on the diversity of well-known insular taxa (birds and mammals) are likely to also capture the diversity of lesser known taxa (reptiles, amphibians, vascular land plants, ants, land snails, butterflies, and tenebrionid beetles). We assembled total, threatened, and endemic diversity data for both well-known and lesser known taxa and combined these with physical island biogeography characteristics for 1190 islands from 109 archipelagos. Among physical island biogeography factors, island area was the best indicator of diversity of both well-known and little-known taxa. Among taxonomic factors, total mammal species richness was the best indicator of total diversity of lesser known taxa, and the combination of threatened mammal and threatened bird diversity was the best indicator of lesser known endemic richness. The results of other intertaxon diversity comparisons were highly variable, however. Based on our results, we suggest that protecting islands above a certain minimum threshold area may be the most efficient use of conservation resources. For example, using our island database, if the threshold were set at 10 km(2) and the smallest 10% of islands greater than this threshold were protected, 119 islands would be protected. The islands would range in size from 10 to 29 km(2) and would include 268 lesser known species endemic to a single island, along with 11 bird and mammal species endemic to a single island. Our results suggest that for islands of equivalent size, prioritization based on total or threatened bird and mammal diversity may also capture opportunities to protect lesser known species endemic to

  11. European Economic Integration and the Fate of Lesser-Used Languages.

    Science.gov (United States)

    Grin, Francois

    1993-01-01

    The consequences of economic integration for Europe's lesser-used languages are examined. Applying theoretical predictions to a set of 12 minority languages, this paper shows that 5 will likely be in a more favorable position, 4 may lose as a result of economic integration, and no clear effect can be predicted for the remaining 3. (18 references)…

  12. Long-term lesser prairie-chicken nest ecology in response to grassland management

    Science.gov (United States)

    Fritts, Sarah R.; Grisham, Blake A.; Haukos, David A.; Boal, Clint W.; Patten, Michael; Wolfe, Don H.; Dixon, Charles; Cox, Robert D.; Heck, Willard R.

    2016-01-01

    Long-term population and range declines from habitat loss and fragmentation caused the lesser prairie-chicken (Tympanuchus pallidicinctus) to be a species of concern throughout its range. Current lesser prairie-chicken range in New Mexico and Texas is partially restricted to sand shinnery oak (Quercus havardii; hereafter shinnery oak) prairies, on which cattle grazing is the main socioeconomic driver for private landowners. Cattle producers within shinnery oak prairies often focus land management on shrub eradication using the herbicide tebuthiuron to promote grass production for forage; however, herbicide application alone, and in combination with grazing, may affect nest site selection and nest survival of lesser prairie-chickens through the reduction of shinnery oak and native grasses. We used a controlled, paired, completely randomized design study to assess the influence of grazing and tebuthiuron application and their combined use on nest site selection and nest survival from 2001 to 2010 in Roosevelt County, New Mexico, USA at 2 spatial scales (i.e., treatment and microhabitat) in 4 treatments: tebuthiuron with grazing, tebuthiuron without grazing, no tebuthiuron with grazing, and a control of no tebuthiuron and no grazing. Grazing treatment was a short-duration system in which plots were grazed once during the dormant season and once during the growing season. Stocking rate was calculated each season based on measured forage production and applied to remove ≤25% of available herbaceous material per season. At the treatment scale, we compared nest site selection among treatments using 1-way χ2 tests and nest survival among treatments using a priori candidate nest survival models in Program MARK. At the microhabitat scale, we identified important habitat predictors of nest site selection and nest survival using logistic regression and a priori candidate nest survival models in Program MARK, respectively. Females typically used treatments as expected and

  13. Preparation of industrial chemicals by acid leaching from the koga nepheline syenite, southern Swat, lesser Himalayas-Pakistan

    International Nuclear Information System (INIS)

    Nizami, A.R.

    2012-01-01

    This paper encompasses the study on the preparation of industrial chemicals by acid leaching from the Koga nepheline syenite, Southern Swat, Lesser Himalayas-Pakistan. These rocks have been studied in detail by many workers to exploit their industrial utility in the form of powdered rock material in glass and ceramics and steel industry. The present authors for the first time carried out acid leaching studies and prepared a number of industrial chemicals, like, alumina, aluminium sulphate, sodium and ammonium alums, sodium sulphate) and sodium bisulphate by simple chemical reactions at bench scale successfully. The developed process is simple and economically viable. It is recommended to exploit this process in cottage industry in the mountainous areas hosting these rocks for the benefit of local population. The research and development work for production of these chemicals at pilot plant and industrial scale is recommended as well. (author)

  14. Iron Deficiency Anemia: Focus on Infectious Diseases in Lesser Developed Countries

    Science.gov (United States)

    Shaw, Julia G.; Friedman, Jennifer F.

    2011-01-01

    Iron deficiency anemia is thought to affect the health of more than one billion people worldwide, with the greatest burden of disease experienced in lesser developed countries, particularly women of reproductive age and children. This greater disease burden is due to both nutritional and infectious etiologies. Individuals in lesser developed countries have diets that are much lower in iron, less access to multivitamins for young children and pregnant women, and increased rates of fertility which increase demands for iron through the life course. Infectious diseases, particularly parasitic diseases, also lead to both extracorporeal iron loss and anemia of inflammation, which decreases bioavailability of iron to host tissues. This paper will address the unique etiologies and consequences of both iron deficiency anemia and the alterations in iron absorption and distribution seen in the context of anemia of inflammation. Implications for diagnosis and treatment in this unique context will also be discussed. PMID:21738863

  15. Iron Deficiency Anemia: Focus on Infectious Diseases in Lesser Developed Countries

    Directory of Open Access Journals (Sweden)

    Julia G. Shaw

    2011-01-01

    Full Text Available Iron deficiency anemia is thought to affect the health of more than one billion people worldwide, with the greatest burden of disease experienced in lesser developed countries, particularly women of reproductive age and children. This greater disease burden is due to both nutritional and infectious etiologies. Individuals in lesser developed countries have diets that are much lower in iron, less access to multivitamins for young children and pregnant women, and increased rates of fertility which increase demands for iron through the life course. Infectious diseases, particularly parasitic diseases, also lead to both extracorporeal iron loss and anemia of inflammation, which decreases bioavailability of iron to host tissues. This paper will address the unique etiologies and consequences of both iron deficiency anemia and the alterations in iron absorption and distribution seen in the context of anemia of inflammation. Implications for diagnosis and treatment in this unique context will also be discussed.

  16. Comparison of all-electric secondary power systems for civil transport

    Science.gov (United States)

    Renz, David D.

    1992-01-01

    Three separate studies have shown operational, weight, and cost advantages for commercial subsonic transport aircraft using an all-electric secondary power system. The first study in 1982 showed that all-electric secondary power systems produced the second largest benefit compared to four other technology upgrades. The second study in 1985 showed a 10 percent weight and fuel savings using an all-electric high frequency (20 kHz) secondary power system. The last study in 1991 showed a 2 percent weight savings using today's technology (400 Hz) in an all-electric secondary power system. This paper will compare the 20 kHz and 400 Hz studies, analyze the 2 to 10 percent difference in weight savings and comment on the common benefits of the all-electric secondary power system.

  17. Interactions of raptors and Lesser Prairie-Chickens at leks in the Texas Southern High Plains

    Science.gov (United States)

    Behney, Adam C.; Boal, Clint W.; Whitlaw, Heather A.; Lucia, Duane R.

    2011-01-01

    We examined behavioral interactions of raptors, Chihuahuan Ravens (Corvus cryptoleucus), and Lesser Prairie-Chickens (Tympanuchus pallidicinctus) at leks in the Texas Southern High Plains. Northern Harriers (Circus cyaneus) and Swainson's Hawks (Buteo swainsoni) were the most common raptors observed at leks. Only 15 of 61 (25%) raptor encounters at leks (0.09/hr) resulted in a capture attempt (0.02/hr). Mean (± SD) time for Lesser Prairie-Chickens to return to lekking behavior following a raptor encounter was 4.2 ± 5.5 min suggesting the disturbance had little influence on lekking behaviors. Lesser Prairie-Chickens engaged in different escape behaviors depending on raptor species and, generally, did not respond to ravens suggesting they are able to assess different predation risks. The raptors in our study area posed little predation risk to lekking prairie-chickens. Behavioral disturbance at leks appears minimal due to the lack of successful predation events, low raptor encounter rates, and short time to return to lekking behavior.

  18. The teacher benefits from giving autonomy support during physical education instruction.

    Science.gov (United States)

    Cheon, Sung Hyeon; Reeve, Johnmarshall; Yu, Tae Ho; Jang, Hue Ryen

    2014-08-01

    Recognizing that students benefit when they receive autonomy-supportive teaching, the current study tested the parallel hypothesis that teachers themselves would benefit from giving autonomy support. Twenty-seven elementary, middle, and high school physical education teachers (20 males, 7 females) were randomly assigned either to participate in an autonomy-supportive intervention program (experimental group) or to teach their physical education course with their existing style (control group) within a three-wave longitudinal research design. Manipulation checks showed that the intervention was successful, as students perceived and raters scored teachers in the experimental group as displaying a more autonomy-supportive and less controlling motivating style. In the main analyses, ANCOVA-based repeated-measures analyses showed large and consistent benefits for teachers in the experimental group, including greater teaching motivation (psychological need satisfaction, autonomous motivation, and intrinsic goals), teaching skill (teaching efficacy), and teaching well-being (vitality, job satisfaction, and lesser emotional and physical exhaustion). These findings show that giving autonomy support benefits teachers in much the same way that receiving it benefits their students.

  19. ORIGINAL ARTICLES Clinical and financial burdens of secondary ...

    African Journals Online (AJOL)

    2009-05-01

    May 1, 2009 ... ... of secondary level care in a public sector antiretroviral roll-out setting (G F Jooste ... they may benefit from longer-term ART. The increased ... ARV clinics, and the cost of secondary level care and referral services is excluded ...

  20. Climate change benefits and energy supply benefits as determinants of acceptance of nuclear power stations: Investigating an explanatory model

    International Nuclear Information System (INIS)

    Visschers, Vivianne H.M.; Keller, Carmen; Siegrist, Michael

    2011-01-01

    Several countries are currently discussing whether they will rebuild their nuclear power stations in order to continue this type of energy production in the future. The public, with its own opinion about nuclear power stations, has an influential voice in this discussion. As a result, policy makers and nuclear scientists are interested in the public's perception of nuclear power and in what determines this perception. We therefore examined an explanatory model of the public's acceptance of nuclear power based on a telephone survey among a representative sample in Switzerland. The model included such factors as risk perception, benefit perception, affective feelings, and social trust. Moreover, we distinguished between two types of benefit perception: benefit for the climate and a secure energy supply. The model fitted very well to our data and explained acceptance very well. Acceptance was mainly influenced by perceived benefits for a secure energy supply and, to a lesser extent, both by perceived benefits for the climate and by risk perception. Affective feelings about nuclear power appeared to be a central factor in the model. Implications for communication about nuclear power stations and for further research are discussed. - Highlights: → Explanatory model of determinants of nuclear power acceptance was studied in the representative survey. → Perceived benefits for a secure energy supply had the largest influence on acceptance. → Perceived benefits for the climate seemed less influential on acceptance. → Affect had a central role in the explanatory model. → Implications for communication about nuclear power plants are discussed.

  1. Climate change benefits and energy supply benefits as determinants of acceptance of nuclear power stations: Investigating an explanatory model

    Energy Technology Data Exchange (ETDEWEB)

    Visschers, Vivianne H.M., E-mail: vvisschers@ethz.ch [ETH Zurich, Institute for Environmental Decisions (IED), Consumer Behavior, Universitaetsstrasse 22 CHN J 75.2, 8092 Zurich (Switzerland); Keller, Carmen; Siegrist, Michael [ETH Zurich, Institute for Environmental Decisions (IED), Consumer Behavior, Universitaetsstrasse 22 CHN J 75.2, 8092 Zurich (Switzerland)

    2011-06-15

    Several countries are currently discussing whether they will rebuild their nuclear power stations in order to continue this type of energy production in the future. The public, with its own opinion about nuclear power stations, has an influential voice in this discussion. As a result, policy makers and nuclear scientists are interested in the public's perception of nuclear power and in what determines this perception. We therefore examined an explanatory model of the public's acceptance of nuclear power based on a telephone survey among a representative sample in Switzerland. The model included such factors as risk perception, benefit perception, affective feelings, and social trust. Moreover, we distinguished between two types of benefit perception: benefit for the climate and a secure energy supply. The model fitted very well to our data and explained acceptance very well. Acceptance was mainly influenced by perceived benefits for a secure energy supply and, to a lesser extent, both by perceived benefits for the climate and by risk perception. Affective feelings about nuclear power appeared to be a central factor in the model. Implications for communication about nuclear power stations and for further research are discussed. - Highlights: > Explanatory model of determinants of nuclear power acceptance was studied in the representative survey. > Perceived benefits for a secure energy supply had the largest influence on acceptance. > Perceived benefits for the climate seemed less influential on acceptance. > Affect had a central role in the explanatory model. > Implications for communication about nuclear power plants are discussed.

  2. Spatially explicit modeling of lesser prairie-chicken lek density in Texas

    Science.gov (United States)

    Timmer, Jennifer M.; Butler, M.J.; Ballard, Warren; Boal, Clint W.; Whitlaw, Heather A.

    2014-01-01

    As with many other grassland birds, lesser prairie-chickens (Tympanuchus pallidicinctus) have experienced population declines in the Southern Great Plains. Currently they are proposed for federal protection under the Endangered Species Act. In addition to a history of land-uses that have resulted in habitat loss, lesser prairie-chickens now face a new potential disturbance from energy development. We estimated lek density in the occupied lesser prairie-chicken range of Texas, USA, and modeled anthropogenic and vegetative landscape features associated with lek density. We used an aerial line-transect survey method to count lesser prairie-chicken leks in spring 2010 and 2011 and surveyed 208 randomly selected 51.84-km(2) blocks. We divided each survey block into 12.96-km(2) quadrats and summarized landscape variables within each quadrat. We then used hierarchical distance-sampling models to examine the relationship between lek density and anthropogenic and vegetative landscape features and predict how lek density may change in response to changes on the landscape, such as an increase in energy development. Our best models indicated lek density was related to percent grassland, region (i.e., the northeast or southwest region of the Texas Panhandle), total percentage of grassland and shrubland, paved road density, and active oil and gas well density. Predicted lek density peaked at 0.39leks/12.96km(2) (SE=0.09) and 2.05leks/12.96km(2) (SE=0.56) in the northeast and southwest region of the Texas Panhandle, respectively, which corresponds to approximately 88% and 44% grassland in the northeast and southwest region. Lek density increased with an increase in total percentage of grassland and shrubland and was greatest in areas with lower densities of paved roads and lower densities of active oil and gas wells. We used the 2 most competitive models to predict lek abundance and estimated 236 leks (CV=0.138, 95% CI=177-306leks) for our sampling area. Our results suggest that

  3. Spatiotemporal distributions of intestinal helminths in female lesser scaup Aythya affinis during spring migration from the upper Midwest, USA.

    Science.gov (United States)

    England, J C; Levengood, J M; Osborn, J M; Yetter, A P; Kinsella, J M; Cole, R A; Suski, C D; Hagy, H M

    2017-07-01

    We examined the associations between intestinal helminth infracommunity structure and infection parameters and the age, size, and year and region of collection of 130 female lesser scaup (Aythya affinis) during their 2014-2015 spring migrations through the upper Midwest, USA. We identified a total of 647,174 individual helminths from 40 taxa, including 20 trematodes, 14 cestodes, 4 nematodes and 2 acanthocephalans parasitizing lesser scaup within the study area. Lesser scaup were each infected with 2-23 helminth taxa. One digenean, Plenosoma minimum, is reported for the first time in lesser scaup and in the Midwest. Mean trematode abundance and total helminth abundance was significantly less in 2015 than 2014, and we suspect that colder weather late in 2015 impacted the intermediate host fauna and caused the observed differences. Brillouin's species diversity of helminths was greatest in the northernmost region of the study area, which coincides with the range of a non-indigenous snail that indirectly causes annual mortality events of lesser scaup. While host age and size were not determined to be influential factors of helminth infracommunity structure, non-parametric ordination and permutational analysis of co-variance revealed that year and region of collection explained differences in helminth infracommunities. Our results suggest that spatiotemporal variations play an important role in the structure of intestinal helminth infracommunities found in migrating lesser scaup hosts, and may therefore impact host ability to build endogenous reserves at certain stopover locations in the Midwest.

  4. Hallux Valgus and Lesser Toe Deformities are Highly Heritable in Adult Men and Women: the Framingham Foot Study

    Science.gov (United States)

    Hannan, Marian T.; Menz, Hylton B.; Jordan, Joanne M.; Cupples, L. Adrienne; Cheng, Chia-Ho; Hsu, Yi-Hsiang

    2013-01-01

    Objective To estimate heritability of three common disorders affecting the forefoot: hallux valgus, lesser toe deformities and plantar forefoot soft tissue atrophy in adult Caucasian men and women. Methods Between 2002-2008, a trained examiner used a validated foot exam to document presence of hallux valgus, lesser toe deformities and plantar soft tissue atrophy in 2,446 adults from the Framingham Foot Study. Among these, 1,370 participants with available pedigree structure were included. Heritability (h2) was estimated using pedigree structures by Sequential Oligogenic Linkage Analysis Routines (SOLAR) package. Results were adjusted for age, sex and BMI. Results Mean age of participants was 66 years (range 39 to 99 years) and 57% were female. Prevalence of hallux valgus, lesser toe deformities and plantar soft tissue atrophy was 31%, 29.6% and 28.4%, respectively. Significant h2 was found for hallux valgus (0.29 ~ 0.89, depending on age and sex) and lesser toe deformity (0.49 ~ 0.90 depending on age and sex). The h2 for lesser toe deformity in men and women aged 70+ years was 0.65 (p= 9×10−7). Significant h2 was found for plantar soft tissue atrophy in men and women aged 70+ years (h2 = 0.37; p=3.8×10−3). Conclusion To our knowledge, these are the first findings of heritability of foot disorders in humans, and they confirm the widely-held view that hallux valgus and lesser toe deformities are highly heritable in European-descent Caucasian men and women, underscoring the importance of future work to identify genetic determinants of the underlying genetic susceptibility to these common foot disorders. PMID:23696165

  5. Radial variation in fiber length of some lesser used wood species in ...

    African Journals Online (AJOL)

    computer

    2012-09-20

    Sep 20, 2012 ... Variations in fibre length of ten lesser used wood species were investigated. The mean fibre length ..... the growth of coniferous trees. Can. J. Bot.45: 1359-1369 ... morphology and paper properties: a review of literature. Tappi ...

  6. Lesser sac hematoma as a sign of rupture of hepatocellular carcinoma in the caudate lobe

    International Nuclear Information System (INIS)

    Iwasaki, Yoshie; Tani, Ichiro; Nakajima, Yasuo; Ishikawa, Tohru; Umeda, Satoshi; Kusano, Shoichi

    2001-01-01

    The purpose of this study was to evaluate the CT findings of rupture of hepatocellular carcinoma (HCC) in the caudate lobe of the liver. The CT scans of five cases of rupture of HCC in the caudate lobe of the liver were retrospectively reviewed and correlated with clinical records. All cases showed exophytic tumors in the caudate lobe of the liver and high-attenuation hematomas in the lesser sac on CT. A lesser sac hematoma may be a sentinel clot sign of rupture of HCC in the caudate lobe. (orig.)

  7. Documenting Sociolinguistic Variation in Lesser-Studied Indigenous Communities: Challenges and Practical Solutions

    Science.gov (United States)

    Mansfield, John; Stanford, James

    2017-01-01

    Documenting sociolinguistic variation in lesser-studied languages presents methodological challenges, but also offers important research opportunities. In this paper we examine three key methodological challenges commonly faced by researchers who are outsiders to the community. We then present practical solutions for successful variationist…

  8. Nesting ecology and nest survival of lesser prairie-chickens on the Southern High Plains of Texas

    Science.gov (United States)

    Grisham, Blake A.; Borsdorf, Philip K.; Boal, Clint W.; Boydston, Kathy K.

    2014-01-01

    The decline in population and range of lesser prairie-chickens (Tympanuchus pallidicinctus) throughout the central and southern Great Plains has raised concerns considering their candidate status under the United States Endangered Species Act. Baseline ecological data for lesser prairie-chickens are limited, especially for the shinnery oak-grassland communities of Texas. This information is imperative because lesser prairie-chickens in shinnery oak grasslands occur at the extreme southwestern edge of their distribution. This geographic region is characterized by hot, arid climates, less fragmentation, and less anthropogenic development than within the remaining core distribution of the species. Thus, large expanses of open rangeland with less anthropogenic development and a climate that is classified as extreme for ground nesting birds may subsequently influence nest ecology, nest survival, and nest site selection differently compared to the rest of the distribution of the species. We investigated the nesting ecology of 50 radio-tagged lesser prairie-chicken hens from 2008 to 2011 in the shinnery oak-grassland communities in west Texas and found a substantial amount of inter-annual variation in incubation start date and percent of females incubating nests. Prairie-chickens were less likely to nest near unimproved roads and utility poles and in areas with more bare ground and litter. In contrast, hens selected areas dominated by grasses and shrubs and close to stock tanks to nest. Candidate models including visual obstruction best explained daily nest survival; a 5% increase in visual obstruction improved nest survival probability by 10%. The model-averaged probability of a nest surviving the incubation period was 0.43 (SE = 0.006; 95% CI: 0.23, 0.56). Our findings indicate that lesser prairie-chicken reproduction during our study period was dynamic and was correlated with seasonal weather patterns that ultimately promoted greater grass growth earlier in the

  9. Comparison of all-electric secondary power systems for civil subsonic transports

    Science.gov (United States)

    Renz, David D.

    1992-01-01

    Three separate studies have shown operational, weight, and cost advantages for commercial subsonic transport aircraft using an all-electric secondary power system. The first study in 1982 showed that all-electric secondary power systems produced the second largest benefit compared to four other technology upgrades. The second study in 1985 showed a 10 percent weight and fuel savings using an all-electric high frequency (20 kHz) secondary power system. The last study in 1991 showed a 2 percent weight savings using today's technology (400 Hz) in an all-electric secondary power system. This paper will compare the 20 kHz and 400 Hz studies, analyze the 2 to 10 percent difference in weight savings and comment on the common benefits of the all-electric secondary power system.

  10. Maximizing Effectiveness Trials in PTSD and SUD Through Secondary Analysis: Benefits and Limitations Using the National Institute on Drug Abuse Clinical Trials Network "Women and Trauma" Study as a Case Example.

    Science.gov (United States)

    Hien, Denise A; Campbell, Aimee N C; Ruglass, Lesia M; Saavedra, Lissette; Mathews, Abigail G; Kiriakos, Grace; Morgan-Lopez, Antonio

    2015-09-01

    Recent federal legislation and a renewed focus on integrative care models underscore the need for economical, effective, and science-based behavioral health care treatment. As such, maximizing the impact and reach of treatment research is of great concern. Behavioral health issues, including the frequent co-occurrence of substance use disorders (SUD) and posttraumatic stress disorder (PTSD), are often complex, with a myriad of factors contributing to the success of interventions. Although treatment guides for comorbid SUD/PTSD exist, most patients continue to suffer symptoms following the prescribed treatment course. Further, the study of efficacious treatments has been hampered by methodological challenges (e.g., overreliance on "superiority" designs (i.e., designs structured to test whether or not one treatment statistically surpasses another in terms of effect sizes) and short term interventions). Secondary analyses of randomized controlled clinical trials offer potential benefits to enhance understanding of findings and increase the personalization of treatment. This paper offers a description of the limits of randomized controlled trials as related to SUD/PTSD populations, highlights the benefits and potential pitfalls of secondary analytic techniques, and uses a case example of one of the largest effectiveness trials of behavioral treatment for co-occurring SUD/PTSD conducted within the National Drug Abuse Treatment Clinical Trials Network (NIDA CTN) and producing 19 publications. The paper concludes with implications of this secondary analytic approach to improve addiction researchers' ability to identify best practices for community-based treatment of these disorders. Innovative methods are needed to maximize the benefits of clinical studies and better support SUD/PTSD treatment options for both specialty and non-specialty healthcare settings. Moving forward, planning for and description of secondary analyses in randomized trials should be given equal

  11. Removing cosmic rays and other randomly positioned spurious events from CCD images by taking the lesser image -statistical theory for the general case

    International Nuclear Information System (INIS)

    Kay, L.

    1992-01-01

    If two optical images of the same scene are obtained using a charged-coupled device (CCD), a third image (called the lesser image) may be formed in computer memory by taking the lesser of the two counts in each pixel. The process may be used to remove, or greatly reduce, the effect of spurious events such as cosmic rays. A complete statistical theory of the lesser image is given for the general case, thereby facilitating recovery of the true image from the lesser image. (author)

  12. The effect of listing the lesser prairie chicken as a threatened species on rural property values.

    Science.gov (United States)

    Wietelman, Derek C; Melstrom, Richard T

    2017-04-15

    This paper estimates the effect of Endangered Species Act protections for the lesser prairie chicken (Tympanuchus pallidicinctus) on rural property values in Oklahoma. The political and legal controversy surrounding the listing of imperiled species raises questions about the development restrictions and opportunity costs the Endangered Species Act imposes on private landowners. Examining parcel-level sales data before and after the listing of the endemic lesser prairie chicken, we employ difference-in-differences (DD) regression to measure the welfare costs of these restrictions. While our basic DD regression provides evidence the listing was associated with a drop in property values, this finding does not hold up in models that control for latent county and year effects. The lack of a significant price effect is confirmed by several robustness checks. Thus, the local economic costs of listing the lesser prairie chicken under the Endangered Species Act appear to have been small. Copyright © 2017 Elsevier Ltd. All rights reserved.

  13. Boron isotope ratios of surface waters in Guadeloupe, Lesser Antilles

    Energy Technology Data Exchange (ETDEWEB)

    Louvat, Pascale, E-mail: louvat@ipgp.fr [Geochimie et Cosmochimie, IPGP, Universite Paris Diderot, Sorbonne Paris Cite, UMR 7154 CNRS, 75005 Paris (France); Gaillardet, Jerome; Paris, Guillaume; Dessert, Celine [Geochimie et Cosmochimie, IPGP, Universite Paris Diderot, Sorbonne Paris Cite, UMR 7154 CNRS, 75005 Paris (France)

    2011-06-15

    Highlights: > Rivers outer of hydrothermal areas have d11B around 40 per mille and [B] of 10-31 {mu}g/L. > Thermal springs have d11B of 8-15 per mille and [B] between 250 and 1000 {mu}g/L. > With Na, SO{sub 4} and Cl, boron shows mixing of rain, low and high-T weathering inputs. > Guadeloupe rivers and thermal springs have d11B 20-40 per mille higher than the local rocks. > Solid-solution fractionation during weathering pathways may explain this gap of d11B. - Abstract: Large variations are reported in the B concentrations and isotopic ratios of river and thermal spring waters in Guadeloupe, Lesser Antilles. Rivers have {delta}{sup 11}B values around 40 per mille and B concentrations lower than 30 {mu}g/L, while thermal springs have {delta}{sup 11}B of 8-15 per mille and B concentrations of 250-1000 {mu}g/L. River samples strongly impacted by hydrothermal inputs have intermediate {delta}{sup 11}B and B contents. None of these surface water samples have {delta}{sup 11}B comparable to the local unweathered volcanic rocks (around 0 per mille), implying that a huge isotopic fractionation of 40 per mille takes place during rock weathering, which could be explained by preferential incorporation of {sup 10}B during secondary mineral formation and adsorption on clays, during rock weathering or in the soils. The soil-vegetation B cycle could also be a cause for such a fractionation. Atmospheric B with {delta}{sup 11}B of 45 per mille represents 25-95% of the river B content. The variety of the thermal spring chemical composition renders the understanding of B behavior in Guadeloupe hydrothermal system quite difficult. Complementary geochemical tracers would be helpful.

  14. Boron isotope ratios of surface waters in Guadeloupe, Lesser Antilles

    International Nuclear Information System (INIS)

    Louvat, Pascale; Gaillardet, Jerome; Paris, Guillaume; Dessert, Celine

    2011-01-01

    Highlights: → Rivers outer of hydrothermal areas have d11B around 40 per mille and [B] of 10-31 μg/L. → Thermal springs have d11B of 8-15 per mille and [B] between 250 and 1000 μg/L. → With Na, SO 4 and Cl, boron shows mixing of rain, low and high-T weathering inputs. → Guadeloupe rivers and thermal springs have d11B 20-40 per mille higher than the local rocks. → Solid-solution fractionation during weathering pathways may explain this gap of d11B. - Abstract: Large variations are reported in the B concentrations and isotopic ratios of river and thermal spring waters in Guadeloupe, Lesser Antilles. Rivers have δ 11 B values around 40 per mille and B concentrations lower than 30 μg/L, while thermal springs have δ 11 B of 8-15 per mille and B concentrations of 250-1000 μg/L. River samples strongly impacted by hydrothermal inputs have intermediate δ 11 B and B contents. None of these surface water samples have δ 11 B comparable to the local unweathered volcanic rocks (around 0 per mille), implying that a huge isotopic fractionation of 40 per mille takes place during rock weathering, which could be explained by preferential incorporation of 10 B during secondary mineral formation and adsorption on clays, during rock weathering or in the soils. The soil-vegetation B cycle could also be a cause for such a fractionation. Atmospheric B with δ 11 B of 45 per mille represents 25-95% of the river B content. The variety of the thermal spring chemical composition renders the understanding of B behavior in Guadeloupe hydrothermal system quite difficult. Complementary geochemical tracers would be helpful.

  15. Environmental pollutants in endangered vs. increasing subspecies of the lesser black-backed gull on the Norwegian Coast

    International Nuclear Information System (INIS)

    Bustnes, Jan Ove; Helberg, Morten; Strann, Karl-Birger; Skaare, Janneche Utne

    2006-01-01

    Organochlorine (OC) residues were measured in eggs and blood of different subspecies of the lesser black-backed gull, Larus fuscus, on the Norwegian coast: a) increasing L. f. intermedius in the North Sea; b) endangered L. f. fuscus near the Arctic Circle; c) L. f. fuscus and greyish-mantled gulls, with a L. f. intermedius appearance, in the Barents Sea region. The dominating OCs in lesser black-backed gulls were polychlorinated biphenyls (PCB) and p,p'-dichlorodiphenyldichloroethylene (DDE). DDE and β-hexachlorocyclohexane (β-HCH) residues were higher in L. f. fuscus compared to L. f. intermedius and greyish-mantled birds in the Barents Sea region. In the latter area, blood residues of PCB and DDE in lesser black-backed gulls were as high as in great black-backed gulls, Larus marinus, while in the other regions they were lower. The higher DDE residues in endangered L. f. fuscus compared to increasing L. f. intermedius and greyish-mantled birds, which are invading northern Norway, suggest that OCs may have played a role in the population decline of L. f. fuscus, possibly in combination with nutrient stress. - DDE and β-HCH residues were higher in an endangered compared to an increasing subspecies of lesser black-backed gulls in Norway

  16. A Latex Metabolite Benefits Plant Fitness under Root Herbivore Attack

    NARCIS (Netherlands)

    Huber, M.; Epping, Janina; Schulze Gronover, C.; Fricke, Julia; Aziz, Zohra; Brillatz, Théo; Swyers, Michael; Kollner, T.G.; Vogel, H.; Hammerbacher, Almuth; Triebwasser-Freese, Daniella; Robert, Christelle A.M.; Verhoeven, K.J.F.; Preite, V.; Gershenzon, J.; Erb, M.

    2016-01-01

    Plants produce large amounts of secondary metabolites in their shoots and roots and store them in specialized secretory structures. Although secondary metabolites and their secretory structures are commonly assumed to have a defensive function, evidence that they benefit plant fitness under

  17. Evaluating indices of lipid and protein content in lesser snow and Ross's geese during spring migration

    Science.gov (United States)

    Webb, Elisabeth B.; Fowler, Drew N.; Woodall, Brendan A.; Vrtiska, Mark P.

    2018-01-01

    Assessing nutrient stores in avian species is important for understanding the extent to which body condition influences success or failure in life‐history events. We evaluated predictive models using morphometric characteristics to estimate total body lipids (TBL) and total body protein (TBP), based on traditional proximate analyses, in spring migrating lesser snow geese (Anser caerulescens caerulescens) and Ross's geese (A. rossii). We also compared performance of our lipid model with a previously derived predictive equation for TBL developed for nesting lesser snow geese. We used external and internal measurements on 612 lesser snow and 125 Ross's geese collected during spring migration in 2015 and 2016 within the Central and Mississippi flyways to derive and evaluate predictive models. Using a validation data set, our best performing lipid model for snow geese better predicted TBL (root mean square error [RMSE] of 23.56) compared with a model derived from nesting individuals (RMSE = 48.60), suggesting the importance of season‐specific models for accurate lipid estimation. Models that included body mass and abdominal fat deposit best predicted TBL determined by proximate analysis in both species (lesser snow goose, R2 = 0.87, RMSE = 23.56: Ross's geese, R2 = 0.89, RMSE = 13.75). Models incorporating a combination of external structural measurements in addition to internal muscle and body mass best predicted protein values (R2 = 0.85, RMSE = 19.39 and R2 = 0.85, RMSE = 7.65, lesser snow and Ross's geese, respectively), but protein models including only body mass and body size were also competitive and provided extended utility to our equations for field applications. Therefore, our models indicated the importance of specimen dissection and measurement of the abdominal fat pad to provide the most accurate lipid estimates and provide alternative dissection‐free methods for estimating protein.

  18. A study on secondary images in panoramic radiograph

    International Nuclear Information System (INIS)

    Cho, Dai Hee; Kim, Han Pyong

    1984-01-01

    the sella turcica, and the secondary images of the posterior border of lesser wing, superior border of greater wing of the sphenoid bone and posterior border were observed on the anterior-superior and inferior region of the sella turcica

  19. French Latin Association Demands Full Restoration of Secondary Classics Curriculum

    Science.gov (United States)

    Denegri, Raymond

    1978-01-01

    Discusses the demands of the Association pour la Defense du Latin that Latin be returned to the French secondary school curriculum and that the Classics-Science baccalaureat be restored as one of the French secondary programs. Benefits of studying Latin are enumerated. (KM)

  20. Evaluation of capture techniques on lesser prairie-chicken trap injury and survival

    Science.gov (United States)

    Grisham, Blake A.; Boal, Clint W.; Mitchell, Natasia R.; Gicklhorn, Trevor S.; Borsdorf, Philip K.; Haukos, David A.; Dixon, Charles

    2015-01-01

    Ethical treatment of research animals is required under the Animal Welfare Act. This includes trapping methodologies that reduce unnecessary pain and duress. Traps used in research should optimize animal welfare conditions within the context of the proposed research study. Several trapping techniques are used in the study of lesser prairie-chickens, despite lack of knowledge of trap injury caused by the various methods. From 2006 to 2012, we captured 217, 40, and 144 lesser prairie-chickens Tympanuchus pallidicinctus using walk-in funnel traps, rocket nets, and drop nets, respectively, in New Mexico and Texas, to assess the effects of capture technique on injury and survival of the species. We monitored radiotagged, injured lesser prairie-chickens 7–65 d postcapture to assess survival rates of injured individuals. Injuries occurred disproportionately among trap type, injury type, and sex. The predominant injuries were superficial cuts to the extremities of males captured in walk-in funnel traps. However, we observed no mortalities due to trapping, postcapture survival rates of injured birds did not vary across trap types, and the daily survival probability of an injured and uninjured bird was ≥99%. Frequency and intensity of injuries in walk-in funnel traps are due to the passive nature of these traps (researcher cannot select specific individuals for capture) and incidental capture of individuals not needed for research. Comparatively, rocket nets and drop nets allow observers to target birds for capture and require immediate removal of captured individuals from the trap. Based on our results, trap injuries would be reduced if researchers monitor and immediately remove birds from walk-in funnels before they injure themselves; move traps to target specific birds and reduce recaptures; limit the number of consecutive trapping days on a lek; and use proper netting techniques that incorporate quick, efficient, trained handling procedures.

  1. Characteristics of lesser prairie-chicken (Tympanuchus pallidicinctus) long-distance movements across their distribution

    Science.gov (United States)

    Earl, Julia E.; Fuhlendorf, Samuel D.; Haukos, David A.; Tanner, Ashley M.; Elmore, Dwayne; Carleton, Scott A.

    2016-01-01

    Long-distance movements are important adaptive behaviors that contribute to population, community, and ecosystem connectivity. However, researchers have a poor understanding of the characteristics of long-distance movements for most species. Here, we examined long-distance movements for the lesser prairie-chicken (Tympanuchus pallidicinctus), a species of conservation concern. We addressed the following questions: (1) At what distances could populations be connected? (2) What are the characteristics and probability of dispersal movements? (3) Do lesser prairie-chickens display exploratory and round-trip movements? (4) Do the characteristics of long-distance movements vary by site? Movements were examined from populations using satellite GPS transmitters across the entire distribution of the species in New Mexico, Oklahoma, Kansas, and Colorado. Dispersal movements were recorded up to 71 km net displacement, much farther than hitherto recorded. These distances suggest that there may be greater potential connectivity among populations than previously thought. Dispersal movements were displayed primarily by females and had a northerly directional bias. Dispersal probabilities ranged from 0.08 to 0.43 movements per year for both sexes combined, although these movements averaged only 16 km net displacement. Lesser prairie-chickens displayed both exploratory foray loops and round-trip movements. Half of round-trip movements appeared seasonal, suggesting a partial migration in some populations. None of the long-distance movements varied by study site. Data presented here will be important in parameterizing models assessing population viability and informing conservation planning, although further work is needed to identify landscape features that may reduce connectivity among populations.

  2. Rangewide genetic analysis of Lesser Prairie-Chicken reveals population structure, range expansion, and possible introgression

    Science.gov (United States)

    Oyler-McCance, Sara J.; DeYoung, Randall W; Fike, Jennifer; Hagen, Christian A.; Johnson, Jeff A.; Larsson, Lena C.; Patten, Michael

    2016-01-01

    The distribution of the Lesser Prairie-Chicken (Tympanuchus pallidicinctus) has been markedly reduced due to loss and fragmentation of habitat. Portions of the historical range, however, have been recolonized and even expanded due to planting of conservation reserve program (CRP) fields that provide favorable vegetation structure for Lesser Prairie-Chickens. The source population(s) feeding the range expansion is unknown, yet has resulted in overlap between Lesser and Greater Prairie-Chickens (T. cupido) increasing the potential for hybridization. Our objectives were to characterize connectivity and genetic diversity among populations, identify source population(s) of recent range expansion, and examine hybridization with the Greater Prairie-Chicken. We analyzed 640 samples from across the range using 13 microsatellites. We identified three to four populations corresponding largely to ecoregions. The Shinnery Oak Prairie and Sand Sagebrush Prairie represented genetically distinct populations (F ST > 0.034 and F ST > 0.023 respectively). The Shortgrass/CRP Mosaic and Mixed Grass ecoregions appeared admixed (F ST = 0.009). Genetic diversity was similar among ecoregions and N e ranged from 142 (95 % CI 99–236) for the Shortgrass/CRP Mosaic to 296 (95 % CI 233–396) in the Mixed Grass Prairie. No recent migration was detected among ecoregions, except asymmetric dispersal from both the Mixed Grass Prairie and to a lesser extent the Sand Sagebrush Prairie north into adjacent Shortgrass/CRP Mosaic (m = 0.207, 95 % CI 0.116–0.298, m = 0.097, 95 % CI 0.010–0.183, respectively). Indices investigating potential hybridization in the Shortgrass/CRP Mosaic revealed that six of the 13 individuals with hybrid phenotypes were significantly admixed suggesting hybridization. Continued monitoring of diversity within and among ecoregions is warranted as are actions promoting genetic connectivity and range expansion.

  3. Pedagogical Applications from Real Analysis for Secondary Mathematics Teachers

    Science.gov (United States)

    Wasserman, Nicholas; Weber, Keith

    2017-01-01

    In this article, we consider the potential influences of the study of proofs in advanced mathematics on secondary mathematics teaching. Thus far, the literature has highlighted the benefits of applying the conclusions of particular proofs to secondary content and of developing a more general sense of disciplinary practices in mathematics in…

  4. Sero-epidemiological survey on bovine tick-borne diseases in the Lesser Antilles

    International Nuclear Information System (INIS)

    Camus, E.; Maran, M.; Montenegro-James, S.; Accipe, A.

    1998-01-01

    As part of a tick-borne disease control programme in the Lesser Antilles, studies were undertaken to determine the prevalence of cowdriosis, babesiosis and anaplasmosis in an effort to determine what the impact of tick eradication would be. The epidemiological situation for bovine babesiosis and anaplasmosis is unstable in all the islands of the Lesser Antilles, but the clinical cases are only recorded in imported breeds, which represent less than 5% of the cattle population. The native cattle population react as if naturally resistant. When the A. variegatum tick eradication campaign begins, it will be necessary, by the end of the acaricide treatment regime, to immunize all the imported cattle born during that period, and possibly all of the seronegative imported cattle already on the islands. Both Antigua and Guadeloupe have a long history of infestation with the tick and both have experienced clinical cases of cowdriosis. On the other islands, less than 6% of the sera were positive and this correlates well also with an apparent absence of clinical cases of cowdriosis. (author)

  5. A latex metabolite benefits plant fitness under root herbivore attack

    OpenAIRE

    Huber, M.; Epping, J.; Gronover, C.S.; Fricke, J.; Aziz, Z.; Brillatz, T.; Swyers, M.; Köllner, T.G.; Vogel, H.; Hammerbacher, A.; Triebwasser-Freese, D.; Robert, C.A.M.; Verhoeven, K.; Preite, V.; Gershenzon, J.

    2016-01-01

    Plants produce large amounts of secondary metabolites in their shoots and roots and store them in specialized secretory structures. Although secondary metabolites and their secretory structures are commonly assumed to have a defensive function, evidence that they benefit plant fitness under herbivore attack is scarce, especially below ground. Here, we tested whether latex secondary metabolites produced by the common dandelion (Taraxacum officinale agg.) decrease the performance of its major n...

  6. Radial variation in fiber length of some lesser used wood species in ...

    African Journals Online (AJOL)

    Variations in fibre length of ten lesser used wood species were investigated. The mean fibre length varied from 1.07mm in Lannea acida to 2.41mm in Sterculia setigera. Four patterns of within tree radial variations in fibre length were observed in the studied species. In pattern one, fibre length increased from the pith to the ...

  7. GIS habitat analysis for lesser prairie-chickens in southeastern New Mexico

    OpenAIRE

    Johnson, Kristine; Neville, Teri B; Neville, Paul

    2006-01-01

    Abstract Background We conducted Geographic Information System (GIS) habitat analyses for lesser prairie-chicken (LPCH, Tympanuchus pallidicinctus) conservation planning. The 876,799 ha study area included most of the occupied habitat for the LPCH in New Mexico. The objectives were to identify and quantify: 1. suitable LPCH habitat in New Mexico, 2. conversion of native habitats, 3. potential for habitat restoration, and 4. unsuitable habitat available for oil and gas activities. Results We f...

  8. Understanding public perceptions of benefits and risks of childhood vaccinations in the United States.

    Science.gov (United States)

    Song, Geoboo

    2014-03-01

    In the face of a growing public health concern accompanying the reemerging threat of preventable diseases, this research seeks mainly to explain variations in the perceived benefits and risks of vaccinations among the general public in the United States. As Mary Douglas and Aaron Wildavsky's grid-group cultural theory of risk perception claims, the analytical results based upon original data from a nationwide Internet survey of 1,213 American adults conducted in 2010 suggest that individuals' cultural predispositions contribute to the formation of their perceptions pertaining to vaccine benefits and risks at both societal and individual levels, in conjunction with other factors suggested by previous risk perception literature, such as perceived prevalence of diseases, trust, knowledge level, and demographic characteristics. Those with a strong hierarch orientation tend to envision greater benefits and lesser risks and conceive of a relatively high ratio of benefit to risk when compared to other cultural types. By contrast, those with a strong fatalist tendency are inclined to emphasize risks and downplay benefits while conceiving of a low vaccination benefit-risk ratio. Situated between hierarchs and fatalists, strong egalitarians are prone to perceive greater benefits, smaller risks, and a more positive benefit-risk ratio than strong individualists. © 2013 Society for Risk Analysis.

  9. Valuation issues in lesser developed countries: Investment opportunities

    International Nuclear Information System (INIS)

    Clements, P.J.

    1992-01-01

    Privatization has become the buzzword of the early 1990s, as all over the world governments are selling off their assets. Monopolistic utilities such as gas, water and waste disposal - but particularly electric - are prime assets for sale because their cash flows and competitive environment are reasonably predictable. Utility privatization in lesser developed countries (LDC) is giving rise to many new investment opportunities where predictions of high growth rates lead to anticipation of lucrative returns. Potential investors, however, should fully exercise the concept of caveat emptor: let the buyer beware. Coupled with these lucrative returns are risks arising from less stable political and economic conditions. possible market inefficiencies, and potentially high transaction costs. This article explores the central issues involved in valuing privatization investment opportunities in LDCs and performing requisite due diligence reviews

  10. Wetland use and feeding by lesser scaup during spring migration across the upper Midwest, USA

    Science.gov (United States)

    Anteau, M.J.; Afton, A.D.

    2009-01-01

    Low food availability and forage quality and concomitant decreased lipid reserves of lesser scaup (Aythya affinis; hereafter scaup) during spring migration in the upper Midwest may partially explain reductions in the continental population of scaup. In springs 20042005, we examined wetland use and feeding activity of scaup on 356 randomly-selected wetlands within 6 regions in Iowa, Minnesota, and North Dakota. We examined wetland characteristics that favor high scaup use in 286 of these wetlands. We found that probabilities of wetland use and feeding by scaup increased with turbidity up to 45 and 30 NTU, respectively, but then declined at higher turbidity levels. Wetland use was positively correlated with size of open-water zone and amphipod densities, but was not correlated with chironomid densities. Feeding increased with amphipod density up to 26 m-3 and then declined at higher amphipod densities; scaup seemingly forage most efficiently at amphipod densities above 26 m -3. Wetland use was higher in North Dakota than in southern Minnesota and Iowa. Our results indicate that effective wetland restoration efforts to benefit scaup require maintaining abundant populations of amphipods (generally near 26 m-3 landscape geometric mean) in wetlands with large (> 500 m diameter) open-water zones throughout the upper Midwest, but especially within Iowa and southern Minnesota.

  11. The parasitic eyeworm Oxyspirura petrowi as a possible cause of decline in the threatened lesser prairie-chicken (Tympanuchus pallidicinctus.

    Directory of Open Access Journals (Sweden)

    Nicholas R Dunham

    Full Text Available Lesser prairie-chickens (Tympanuchus pallidicinctus have been declining range wide since the early 1900's despite efforts to establish conservation and improve their habitat. In early 2014, the lesser prairie-chicken was listed as a threatened species under the U.S Endangered Species Act and the need to find out why they are declining is more important than ever. Nine hunter shot lesser prairie-chickens were donated and sampled for the presence or absence of the eyeworm Oxyspirura petrowi, a known parasite that can cause damage to the eye of its host, and common environmental contaminants. Eyeworm infection was found in 7 of 9 birds (78% infection rate with an infection range between 0-16 O. petrowi per bird. Breast, liver, and fat tissue samples from the lesser prairie-chickens were analyzed for the frequency of 20 organochlorine pesticides. Femurs and livers were also tested on these birds for metal contaminants. Pesticides were found in several samples above the detection limits but were still in the low ng/g range. Notable was the ubiquitous presence of endrin aldehyde across all tissues. One femur showed 5.66 µg/g of lead (Pb but this is still relatively low. No liver samples had elevated mercury (Hg above detection limits. The presence of these organochlorines is consistent with the historic use of pesticides in this region. With pesticide and metals found in such low levels and parasitic nematode infections at rather high levels, it is recommended that these parasites be further evaluated as a contributing factor to the decline of the lesser prairie-chicken.

  12. Social Impact Assessment: The lesser sibling in the South African EIA process?

    Energy Technology Data Exchange (ETDEWEB)

    Hildebrandt, L., E-mail: Leandri.hildebrandt@nwu.ac.za [African Centre for Disaster Studies, Research Focus Area: Social Transformation, North-West University, Private Bag X6001, Potchefstroom, 2520 (South Africa); Sandham, L.A., E-mail: luke.sandham@nwu.ac.za [Environmental Assessment Research Group, School of Geo and Spatial Sciences, North-West University, Private Bag X6001, Potchefstroom, 2520 (South Africa)

    2014-09-15

    Social Impact Assessment has developed as an integral but neglected component of EIA in South Africa since it became mandatory in 1997, and has therefore been referred to as the “orphan” or “lesser sibling” of EIA, as has SIA in the UK and the US. The aim of this paper is to test this claim by reviewing the quality of a sample of SIA reports, and also to establish whether there has been any improvement in quality following the introduction of revised EIA regulations in 2006. The results confirm that SIA can be called “the lesser sibling” due to the weak grades achieved in the quality review, but also reveal that there has been a slight and consistent improvement in quality, most likely driven by best practice considerations in the absence of prescriptive regulations for SIA. Suggestions and recommendations for addressing observed weakness in SIA performance are advanced. - Highlights: • The quality of a sample of SIA reports was evaluated using a review package. • SIA reports received mostly weak grades. • Limited improvement observed from first to second regulatory regime. • Improvements most likely due to best practice considerations.

  13. Social Impact Assessment: The lesser sibling in the South African EIA process?

    International Nuclear Information System (INIS)

    Hildebrandt, L.; Sandham, L.A.

    2014-01-01

    Social Impact Assessment has developed as an integral but neglected component of EIA in South Africa since it became mandatory in 1997, and has therefore been referred to as the “orphan” or “lesser sibling” of EIA, as has SIA in the UK and the US. The aim of this paper is to test this claim by reviewing the quality of a sample of SIA reports, and also to establish whether there has been any improvement in quality following the introduction of revised EIA regulations in 2006. The results confirm that SIA can be called “the lesser sibling” due to the weak grades achieved in the quality review, but also reveal that there has been a slight and consistent improvement in quality, most likely driven by best practice considerations in the absence of prescriptive regulations for SIA. Suggestions and recommendations for addressing observed weakness in SIA performance are advanced. - Highlights: • The quality of a sample of SIA reports was evaluated using a review package. • SIA reports received mostly weak grades. • Limited improvement observed from first to second regulatory regime. • Improvements most likely due to best practice considerations

  14. Theory of mind in children with 'lesser variants' of autism : a longitudinal study

    NARCIS (Netherlands)

    Serra, M; Loth, FL; van Geert, PLC; Hurkens, E; Minderaa, RB

    2002-01-01

    Background: The study investigated the development of theory-of-mind (ToM) knowledge in children with 'lesser variants' of autism (PDD-NOS) over a period thought to be critical for ToM development (i.e., 3 to 5 years of age). Method: The sample included 11 children with PDD-NOS; 23 normally

  15. Amino acid neurotoxins in feathers of the Lesser Flamingo, Phoeniconaias minor.

    Science.gov (United States)

    Metcalf, J S; Banack, S A; Kotut, K; Krienitz, L; Codd, G A

    2013-01-01

    The Lesser Flamingo (Phoeniconaias minor) is known to use cyanobacteria (primarily Arthrospira) as a major food source in the East African Rift Valley lakes. Periodically, mass mortalities have occurred, associated with the cyanobacterial toxins (cyanotoxins), microcystins and anatoxin-a. Deposition of these cyanotoxins into P. minor feathers has been shown to occur, consistent with the presence of cyanotoxins in the livers, stomach and faecal contents after dietary intake. As cyanobacteria have been shown to also produce the neurotoxins β-N-methylamino-L-alanine (BMAA) and 2,4-diaminobutyric acid (DAB), stored wing feathers, previously recovered from flamingos which had been exposed to microcystins and anatoxin-a and had subsequently died, were analysed for these neurotoxic amino acids. Trace amounts of BMAA were detected in extracts from Lake Nakuru flamingo feathers, with DAB also present at concentrations between 3.5 and 8.5 μg g(-1) dry weight in feathers from both lakes. Toxin recovery by solid-phase extraction of feather digests was tested with spiked deuterated BMAA and showed good recovery when analysed by LC-MS/MS (80-94%). This is the first report of these neurotoxic amino acids in birds. We discuss the origin and significance of DAB, alongside other cyanotoxins of dietary origin, in the feathers of the Lesser Flamingo. Copyright © 2012 Elsevier Ltd. All rights reserved.

  16. Determination of the elemental composition of some lesser-used Ghanaian wood species by neutron activation analysis

    International Nuclear Information System (INIS)

    Nyarko, B.J.B.; Serfor-Armah, Y.; Adomako, D.; Andam, A.A.B.; Addison, E.C.K.; Ofori, J.; Cobbinah, J.R.

    2003-01-01

    Wood plays an undisputed socio-economic role in human endeavour. The elemental composition of wood can give an indication of the environmental pollution of the locality from which the wood sample was extracted as timber, and can influence the machining characteristics of timber. Additionally, the elemental composition can be used as an index of the nutrient uptake of plants from the soil. With the over-exploitation of timber species in Ghana, it is now imperative that lesser-used species are studied to know their characteristics for utilization. We report preliminary results of a study on the elemental composition of some lesser-used Ghanaian wood species. Ten Ghana wood species had been studied, namely: Strombosia glauscens, Lophira alata, Cynometra anata, Combretodendron macrocarpum, Sterculia rhinopetala, Celtis milbraedii, Celtis zenteri, Nesogoadonia papaverifa, Nauclea diderrichii, and Piptadeniastrum afrieana. Neutron activation analysis was carried out for this work, using the Ghana Research Reactor, (GHARRI) facility, operating between 3-15kw and at a thermal neutron flux of 1-5 x 10 15 ns -1 cm 2 . A total of twenty-five elements were identified, some at high level, others at trace levels. We discuss the implications of these results for the efficient utilization of lesser-used Ghana wood species (author)

  17. Navigating benefit transfer for salmon improvements in the Western US

    Directory of Open Access Journals (Sweden)

    Matthew August Weber

    2015-10-01

    Full Text Available A perennial problem in environmental resource management is targeting an efficient level of resource provision that maximizes societal well-being. Such management requires knowledge of both costs and benefits associated with varying management options. This paper illustrates the challenge of estimating the benefits of an improvement in a marine resource when secondary data must be used, and when total economic benefits include non-use values. An example of non-use values is existence value, which is not contingent on resource extraction nor recreational activities. State of the art techniques for adapting secondary data, or benefit transfer, are reviewed in the context of increasing anadromous salmon for an example Western US policy scenario. An extensive summary of applicable primary studies is provided, compiling observations from several studies surveying several thousand Western US households. The studies consistently indicate a high willingness to pay for increased salmon abundance. Analytical techniques for transferring data are described, with calculation examples using published tools, focusing on meta-regression and structural benefit transfer. While these advanced benefit transfer tools offer perspective on benefits beyond what can be learned by relying on a single study, they also represent a variety of challenges limiting their usefulness. While transparently navigating these issues, a monetized estimate of increased salmon for the policy case is provided, along with discussion on interpreting benefit transfer techniques and their results more generally. From this synthesis, several suggestions are also made for future primary salmon valuation studies.

  18. The Effect of Social perception of environmental problems and goods on the practice of cost-benefit analysis

    Energy Technology Data Exchange (ETDEWEB)

    Bunuel, M.; Delgado, M. L.

    2002-07-01

    When revealed, willingness to pay (WTP) is considerably lesser than willingness to accept (WTA), as economists explain. Sociological studies in Spain reveal that citizens assign a high value to the environment (high WTA), but are not ready to pay to preserve it (low WTP)because they think that it is industrial sector and the government's responsibility. This is a new factor, not studied before, that may result in underestimating environmental goods when WTP is used. The gap between WTP and WTA makes cost-benefits analysis difficult, creating the risk of environmental political judgments being replaced by pseudo scientific noise instead of by objective economic analysis.hence, it is sometimes convenient to use alternative methods to cost-benefit analysis: cost-effectiveness analysis trade-off analysis, economic-impact valuation, and risk-benefit analysis. (Author)

  19. Effects of secondary prophylaxis started in adolescent and adult haemophiliacs.

    Science.gov (United States)

    Tagliaferri, A; Franchini, M; Coppola, A; Rivolta, G F; Santoro, C; Rossetti, G; Feola, G; Zanon, E; Dragani, A; Iannaccaro, P; Radossi, P; Mannucci, P M

    2008-09-01

    While primary prophylaxis is a well-established and recommended method of care delivery for children with severe haemophilia, fewer studies have documented the benefits of secondary prophylaxis started in adolescence or adulthood. To evaluate the role of secondary prophylaxis started in adolescent and adult severe haemophiliacs, a retrospective observational cohort study was conducted in 10 Italian Centres that investigated 84 haemophiliacs who had bled frequently and had thus switched from on-demand to prophylactic treatment during adolescence (n = 30) or adulthood (n = 54). The consumption of clotting factor concentrates, the orthopaedic and radiological scores, quality of life and disease-related morbidity were compared before and after starting secondary prophylaxis. Prophylaxis reduced the mean annual number of total and joint bleeds (35.8 vs. 4.2 and 32.4 vs. 3.3; P work/school (34.6 vs. 3.0, P life. With respect to on-demand treatment, higher factor consumption and cost of secondary prophylaxis were balanced by marked clinical benefits and greater well-being in this cohort of adolescent/adult haemophiliacs.

  20. Individualized cardiovascular disease prevention in clinical practice : Estimation of benefit and cost

    NARCIS (Netherlands)

    Slob, MC

    2017-01-01

    For treatment decisions in clinical practice, group-level treatment effects need to be translated into benefit for an individual patient. In both the primary and secondary cardiovascular prevention setting (Chapter 2), patients differ widely in the risk for cardiovascular events, and the benefit

  1. Oxynoemacheilus zarzianus, a new loach from the Lesser Zab River drainage in Iraqi Kurdistan (Teleostei: Nemacheilidae).

    Science.gov (United States)

    Freyhof, Jörg; Geiger, Matthias

    2017-06-02

    Oxynoemacheilus zarzianus, new species, is described from the Lesser Zab River drainage, a tributary of the lower Tigris. It is distinguished from other Oxynoemacheilus species in the Tigris drainage by having a slightly emarginate caudal fin, no suborbital groove in males, a complete lateral line, the posterior process of the bony air-bladder capsule directed posteriorly, the flank and posterior part of back covered by scales, short barbels and a deep caudal peduncle. It is the fourth Oxynoemacheilus species known from the Lesser Zab drainage, where such loaches seem to be highly isolated in headwaters. Oxynoemacheilus species diversity in the Euphrates and Tigris drainage is exceptional high. Today 22 species are known from the entire Euphrates and Tigris drainage and 15 from the Tigris drainage alone.

  2. Are Korean secondary school girls physically active during leisure time?

    Science.gov (United States)

    Cho, Minhaeng; Kwon, Wook-Dong; Jeon, Yong-Bae

    2010-03-01

    Our aims in this study were to identify the types of physical activity during leisure time and to determine if Korean secondary school girls participate in enough physical activity during leisure time to promote health. Of the 1,088 girls randomly selected by a multistaged cluster sampling technique, 705 girls completed questionnaires. Seventy-five percent of Korean secondary school girls spent time on individualized or noncompetitive activities, and 88.3% of them were classified into underactive and inactive levels with no gained health benefits during leisure time. No significant differences were observed in the physical activity levels between middle school girls and high school girls. The results of this study may be explained by the lack of perceived appropriateness for secondary school girls' participation in physical activity, which traditionally did not favor them participating in dynamic physical activities and sufficient physical activity level to gain health benefits.

  3. Muon tomography: Plans for observations in the Lesser Antilles

    International Nuclear Information System (INIS)

    Gibert, Dominique; Beauducel, Francois; Lesparre, Nolwenn; Tarantola, Albert; Declais, Yves; Marteau, Jacques; Nicollin, Florence

    2010-01-01

    The application of muon tomography to monitor and image the internal structure of volcanoes in the Lesser Antilles is discussed. Particular focus is directed towards the three volcanoes that fall under the responsibility of the Institut de Physique du Globe of Paris, namely La Montagne Pelee in Martinique, La Soufriere in Guadeloupe, and the Soufriere Hills in Montserrat. The technological criteria for the design of portable muon telescopes are presented in detail for both their mechanical and electronic aspects. The detector matrices are constructed with scintillator strips, and their detection characteristics are discussed. The tomography inversion is presented, and its distinctive characteristics are briefly discussed. Details are given on the implementation of muon tomography experiments on La Soufriere in Guadeloupe. (author)

  4. Impacts of a volcanic eruption on the forest birdcommunity of Montserrat, Lesser Antilles.

    Science.gov (United States)

    B. DALSGAARD; G. M. HILTON; G. A. L. GRAY; L. AYMER; J. BOATSWAIN; J. FENTON DALEY; J. MARTIN; L. MARTIN; P. MURRAIN; W. J. ARENDT; W. OLESEN GIBBONSD

    2007-01-01

    Volcanic eruptions are an important and natural source of catastrophic disturbance to ecological communities. However, opportunities to study them are relatively rare. Here we report on the effects of the eruption of the Soufrière Hills volcano on the forest bird community of the Lesser Antillean island of Montserrat. The island’s species-poor avifauna includes 11...

  5. The Lesser Antillean Ameiva (Sauria, Teiidae) Re-evaluation, zoogeography and the effects of predation

    NARCIS (Netherlands)

    Baskin, Jonathan N.; Williams, Ernest E.

    1966-01-01

    The Ameiva of the Lesser Antilles present an interesting case of isolated populations of related animals on a chain of islands that differ in size and proximity among themselves but form a geographic group. The situation is made still more interesting by the fact that at times in the Pleistocene the

  6. A Midterm Review of Lesser Toe Arthrodesis With an Intramedullary Implant.

    Science.gov (United States)

    Harmer, James Lee; Wilkinson, Anthony; Maher, Anthony John

    2017-10-01

    Lesser toe deformities are one of the most common conditions encountered by podiatric surgeons. When conservative treatments fail surgical correction is indicated. Many surgical options have been described to address the complex nature of these deformities but no perfect solution has been reported to date. However, with the continued advancement of internal fixation technology, interphalangeal joint (IPJ) arthrodesis with an intramedullary implant may be a good option. This retrospective study presents patient reported outcomes and complications at 6 months and 3 years following lesser toe proximal interphalangeal joint (PIPJ) arthrodesis with a polyketone intrameduallary implant (Toe Grip, Orthosolutions, UK). Between September 2011 and November 2012, a total of 38 patients attended for second toe PIPJ arthrodesis by means of the Toe Grip device. At 6 months postoperation, 94.7% of patients and at 3 years postoperation, 92.8% of patients felt that their original complaint was better or much better. Health-related quality of life scores continued to improve overtime as measured by the Manchester Oxford Foot Questionnaire. Complications were generally observational and asymptomatic. The most common complications were floating toes (17.8%), mallet deformities (14.2%), metatarsalgia (17.8%), and transverse plane deformity of the toe (10.7%). This study demonstrates excellent patient-eported outcomes with minimal symptomatic complications making the "Toe Grip" implant a safe and effective alternative fixation device for IPJ arthrodesis when dealing with painful digital deformities. Therapeutic, Level IV: Case series.

  7. Hepatic microsomal metabolism of BDE-47 and BDE-99 by lesser snow geese and Japanese quail.

    Science.gov (United States)

    Krieger, Lisa K; Szeitz, András; Bandiera, Stelvio M

    2017-09-01

    In the present study, we investigated the oxidative biotransformation of 2,2',4,4'-tetrabromodiphenyl ether (BDE-47) and 2,2',4,4',5-pentabromodiphenyl ether (BDE-99) by liver microsomes from wild lesser snow geese (Chen caerulescens caerulescens) and domesticated Japanese quail (Coturnix japonica). Formation of hydroxy-metabolites was analyzed using an ultra-high performance liquid chromatography-tandem mass spectrometry-based method. Incubation of BDE-47 with avian liver microsomes produced sixteen hydroxy-metabolites, eight of which were identified using authentic standards. The major metabolites formed by liver microsomes from individual lesser snow geese were 4-hydroxy-2,2',3,4'-tetrabromodiphenyl ether (4-OH-BDE-42), 3-hydroxy-2,2',4,4'-tetrabromodiphenyl ether (3-OH-BDE-47), and 4'-hydroxy-2,2',4,5'-tetrabromodiphenyl ether (4'-OH-BDE-49). By comparison, 4-OH-BDE-42 and 4'-OH-BDE-49, but not 3-OH-BDE-47, were major metabolites of Japanese quail liver microsomes. Unidentified metabolites included monohydroxy- and dihydroxy-tetrabromodiphenyl ethers. Incubation of BDE-99 with avian liver microsomes produced seventeen hydroxy-metabolites, twelve of which were identified using authentic standards. The major metabolites formed by lesser snow goose liver microsomes were 2,4,5-tribromophenol, 3-OH-BDE-47, 4'-OH-BDE-49, 4-hydroxy-2,2',3,4',5-pentabromodiphenyl ether (4-OH-BDE-90), and 5'-hydroxy-2,2',4,4',5-pentabromodiphenyl ether (5'-OH-BDE-99). By comparison, the major metabolites produced by liver microsomes from Japanese quail included 6-hydroxy-2,2',4,4'-tetrabromodiphenyl ether (6-OH-BDE-47) and 2-hydroxy-2',3,4,4',5-pentabromodiphenyl ether (2-OH-BDE-123), but not 3-OH-BDE-47. Unidentified metabolites consisted of monohydroxy-pentabromodiphenyl ethers, monohydroxy-tetrabromodiphenyl ethers and dihydroxy-tetrabromodiphenyl ethers. Another difference between the two species was that formation rates of BDE-47 and BDE-99 metabolites were greater with liver

  8. A new subspecies of Accipiter virgatus (Temminck) from Flores, Lesser Sunda Islands, Indonesia (Aves: Accipitridae)

    NARCIS (Netherlands)

    Mees, G.F.

    1984-01-01

    A new subspecies of Accipiter virgatus (Temminck) is described from Flores (Lesser Sunda Islands). In addition some notes are given on the distribution of A. virgatus in south-eastern Burma and adjacent parts of Thailand, supplementary to an earlier paper (Mees, 1981).

  9. Distribution of the early larval stages of cod, plaice and lesser sandeel across haline fronts in the North Sea

    DEFF Research Database (Denmark)

    Munk, Peter; Wright, P.J.; Pihl, Niels Jørgen

    2002-01-01

    A number of commercially important fish species spawn in the coastal areas of the North Sea in the late winter, including cod (Gadus morhua), plaice (Pleuronectes platessa) and lesser sandeel (Ammodytes marinus). The distribution of the early stages of these species overlap to some extent...... Influence (ROFI), predominantly in the Dogger Bank and German Bight areas. There was a high degree of overlap between the distributions of cod and plaice, while the maximal abundance of lesser sandeel was found inshore of the other species. Larval distributions were to a large extent confined by the frontal...

  10. Beyond the Education Silo? Tackling Adolescent Secondary Education in Rural India

    Science.gov (United States)

    Kelly, Orla; Bhabha, Jacqueline

    2014-01-01

    In this paper we examine the factors contributing to gender inequality in secondary schooling in India by critically reviewing the government's secondary education policy. Drawing on the findings of a study in rural Gujarat, we couple this analysis with an examination of the gendered dynamics that restrict girls' ability to fully benefit from the…

  11. Modeling of Marine Natural Hazards in the Lesser Antilles

    Science.gov (United States)

    Zahibo, Narcisse; Nikolkina, Irina; Pelinovsky, Efim

    2010-05-01

    The Caribbean Sea countries are often affected by various marine natural hazards: hurricanes and cyclones, tsunamis and flooding. The historical data of marine natural hazards for the Lesser Antilles and specially, for Guadeloupe are presented briefly. Numerical simulation of several historical tsunamis in the Caribbean Sea (1755 Lisbon trans-Atlantic tsunami, 1867 Virgin Island earthquake tsunami, 2003 Montserrat volcano tsunami) are performed within the framework of the nonlinear-shallow theory. Numerical results demonstrate the importance of the real bathymetry variability with respect to the direction of propagation of tsunami wave and its characteristics. The prognostic tsunami wave height distribution along the Caribbean Coast is computed using various forms of seismic and hydrodynamics sources. These results are used to estimate the far-field potential for tsunami hazards at coastal locations in the Caribbean Sea. The nonlinear shallow-water theory is also applied to model storm surges induced by tropical cyclones, in particular, cyclones "Lilli" in 2002 and "Dean" in 2007. Obtained results are compared with observed data. The numerical models have been tested against known analytical solutions of the nonlinear shallow-water wave equations. Obtained results are described in details in [1-7]. References [1] N. Zahibo and E. Pelinovsky, Natural Hazards and Earth System Sciences, 1, 221 (2001). [2] N. Zahibo, E. Pelinovsky, A. Yalciner, A. Kurkin, A. Koselkov and A. Zaitsev, Oceanologica Acta, 26, 609 (2003). [3] N. Zahibo, E. Pelinovsky, A. Kurkin and A. Kozelkov, Science Tsunami Hazards. 21, 202 (2003). [4] E. Pelinovsky, N. Zahibo, P. Dunkley, M. Edmonds, R. Herd, T. Talipova, A. Kozelkov and I. Nikolkina, Science of Tsunami Hazards, 22, 44 (2004). [5] N. Zahibo, E. Pelinovsky, E. Okal, A. Yalciner, C. Kharif, T. Talipova and A. Kozelkov, Science of Tsunami Hazards, 23, 25 (2005). [6] N. Zahibo, E. Pelinovsky, T. Talipova, A. Rabinovich, A. Kurkin and I

  12. Temperature effects on egg development and larval condition in the lesser sandeel, Ammodytes marinus

    Science.gov (United States)

    Régnier, Thomas; Gibb, Fiona M.; Wright, Peter J.

    2018-04-01

    Understanding the influence of temperature on egg development and larval condition in planktonic fish is a prerequisite to understanding the phenological impacts of climate change on marine food-webs. The lesser sandeel, Ammodytes marinus (Raitt 1934), is a key trophic link between zooplankton and many piscivorous fish, sea birds and mammals in the northeast Atlantic. Temperature-egg development relationships were determined for batches of lesser sandeel eggs. Hatching began as early as 19 days post fertilisation at 11 °C and as late as 36 days post fertilisation at 6 °C, which is faster than egg development rates reported for closely related species at the lower end of the tested temperature range. The average size of newly hatched larvae decreased with increasing incubation temperatures in early hatching larvae, but this effect was lost by the middle of the hatching period. While the study revealed important temperature effects on egg development rate, predicted variability based on the range of temperatures eggs experience in the field, suggests it is only a minor contributor to the observed inter-annual variation in hatch date.

  13. A comment on “temporal variation in survival and recovery rates of lesser scaup”

    Science.gov (United States)

    Lindberg, Mark S.; Boomer, G. Scott; Schmutz, Joel A.; Walker, Johann A.

    2017-01-01

    Concerns about declines in the abundance of lesser scaup (Aythya affinis) have promoted a number of analyses to understand reasons for this decline. Unfortunately, most of these analyses, including that of Arnold et al. (2016 Journal of Wildlife Management 80: 850–861), are based on observational studies leading to weak inference. Although we commend the efforts of Arnold et al. (2016 Journal of Wildlife Management 80: 850–861), we think their conclusions are over-stated given their retrospective analysis. Further, we note a number of inconsistencies in their reasoning and offer alternative conclusions that can be drawn from their analysis. Given the uncertainty still surrounding management of lesser scaup, we do not believe it is prudent to abandon or greatly modify adaptive management approaches designed specifically to make optimal decisions in the face of uncertainty. The current learning-based and recursive approach to management appears to be providing adequate guidance for harvest without punctuated changes to harvest levels, as Arnold et al. (2016 Journal of Wildlife Management 80: 850–861) recommend.

  14. K-Ar geochronology and palaeomagnetism of volcanic rocks in the lesser Antilles island arc

    International Nuclear Information System (INIS)

    Briden, J.C.; Rex, D.C.; Faller, A.M.; Tomblin, J.F.

    1979-01-01

    K-Ar age determinations on rocks and minerals from 95 locations in the Lesser Antilles. An age range of 38 - 10 million years was found for the outer arc (Limestone Caribbees) but less than 7.7 million years in the inner arc (Volcanic Caribbees). From Martinique southwards the two arcs are superimposed. These age ranges fit between discontinuities in sea floor spreading in the North Atlantic at about 38 and 9 million years and a causal connection between spreading change and relocation of arc volcanicity is suggested. Paleomagnetic directions at 108 localities in 10 islands fall into normal and reversed groups with 6 sites intermediate and 5 indeterminate. The mean dipole axis is within 2% of the present rotation axis. The data generally agrees with the established geomagnetic polarity time scale but there is some suggestion of a normal polarity event at about 1.18 million years. The paleomagnetic data suggest that in the past 10 million years the Lesser Antilles have not changed their latitude or geographical orientation and the geomagnetic field has averaged that of a central axial dipole. (author)

  15. Coupling Modern Portfolio Theory and Marxan enhances the efficiency of Lesser White-fronted Goose's (Anser erythropus) habitat conservation.

    Science.gov (United States)

    Liang, Jie; Gao, Xiang; Zeng, Guangming; Hua, Shanshan; Zhong, Minzhou; Li, Xiaodong; Li, Xin

    2018-01-09

    Climate change and human activities cause uncertain changes to species biodiversity by altering their habitat. The uncertainty of climate change requires planners to balance the benefit and cost of making conservation plan. Here optimal protection approach for Lesser White-fronted Goose (LWfG) by coupling Modern Portfolio Theory (MPT) and Marxan selection were proposed. MPT was used to provide suggested weights of investment for protected area (PA) and reduce the influence of climatic uncertainty, while Marxan was utilized to choose a series of specific locations for PA. We argued that through combining these two commonly used techniques with the conservation plan, including assets allocation and PA chosing, the efficiency of rare bird's protection would be enhanced. In MPT analyses, the uncertainty of conservation-outcome can be reduced while conservation effort was allocated in Hunan, Jiangxi and Yangtze River delta. In Marxan model, the optimal location for habitat restorations based on existing nature reserve was identified. Clear priorities for the location and allocation of assets could be provided based on this research, and it could help decision makers to build conservation strategy for LWfG.

  16. The Lesser Antillean Iguana on St. Eustatius: 2012 status update and review of limiting factors

    NARCIS (Netherlands)

    Debrot, A.O.; Boman, E.

    2013-01-01

    The endangered Lesser Antillean Iguana, Iguana delicatissima, is an emblematic species for the island of St. Eustatius and in Caribbean Netherlands it is only found on St. Eustatius. In this study we conducted an extensive population survey for the iguana and compared densities in different areas to

  17. Chromosomal abnormality in patients with secondary amenorrhea.

    Science.gov (United States)

    Safai, Akbar; Vasei, Mohammad; Attaranzadeh, Armin; Azad, Fariborz; Tabibi, Narjes

    2012-04-01

    Secondary amenorrhea is a condition in which there is cessation of menses after at least one menstruation. It is a symptom of different diseases, such as hormonal disturbances which range from pituitary to ovarian origin, as well as chromosomal abnormalities. Knowledge of the distinct cause of secondary amenorrhea is of tremendous benefit for the management and monitoring of patients. In this study, we determine the chromosomal abnormalities in patients with secondary amenorrhea in Southwest Iran. We selected 94 patients with secondary amenorrhea who referred to our Cytogenetic Ward from 2004 until 2009. For karyotyping, peripheral blood lymphocyte cultures were set up by conventional technique. In this study, 5.3% (n=5) of patients with secondary amenorrhea presented with chromosomal abnormalities, of which all contained an X element. The chromosomal abnormalities were: i) 45, X (n=1); ii) 47, XXX (n=1); iii) 45, X [13]/ 45, Xi(X)q[17] (n=1);  iv) 45, X[12]/46,X,+mar[12] (n=1); and v) 46,X,del(Xq)(q23q28) (n=1). Our study revealed that some causes of secondary amenorrhea could be due to chromosomal abnormalities. Therefore, cytogenetic studies should be important tests in the evaluation of patients with secondary amenorrhea.

  18. Back-thrusting in Lesser Himalaya: Evidences from magnetic fabric ...

    Indian Academy of Sciences (India)

    propose that since the western edge of NAT is juxtaposed with .... as secondary minerals define secondary foliation. The chlorite and .... −3 SI units. Figure 7. Graphs ..... Grasemann B, Stüwe K and Vannay J-C 2003 Sense and non-sense of ...

  19. A Latex Metabolite Benefits Plant Fitness under Root Herbivore Attack.

    Directory of Open Access Journals (Sweden)

    Meret Huber

    2016-01-01

    Full Text Available Plants produce large amounts of secondary metabolites in their shoots and roots and store them in specialized secretory structures. Although secondary metabolites and their secretory structures are commonly assumed to have a defensive function, evidence that they benefit plant fitness under herbivore attack is scarce, especially below ground. Here, we tested whether latex secondary metabolites produced by the common dandelion (Taraxacum officinale agg. decrease the performance of its major native insect root herbivore, the larvae of the common cockchafer (Melolontha melolontha, and benefit plant vegetative and reproductive fitness under M. melolontha attack. Across 17 T. officinale genotypes screened by gas and liquid chromatography, latex concentrations of the sesquiterpene lactone taraxinic acid β-D-glucopyranosyl ester (TA-G were negatively associated with M. melolontha larval growth. Adding purified TA-G to artificial diet at ecologically relevant concentrations reduced larval feeding. Silencing the germacrene A synthase ToGAS1, an enzyme that was identified to catalyze the first committed step of TA-G biosynthesis, resulted in a 90% reduction of TA-G levels and a pronounced increase in M. melolontha feeding. Transgenic, TA-G-deficient lines were preferred by M. melolontha and suffered three times more root biomass reduction than control lines. In a common garden experiment involving over 2,000 T. officinale individuals belonging to 17 different genotypes, high TA-G concentrations were associated with the maintenance of high vegetative and reproductive fitness under M. melolontha attack. Taken together, our study demonstrates that a latex secondary metabolite benefits plants under herbivore attack, a result that provides a mechanistic framework for root herbivore driven natural selection and evolution of plant defenses below ground.

  20. A Latex Metabolite Benefits Plant Fitness under Root Herbivore Attack.

    Science.gov (United States)

    Huber, Meret; Epping, Janina; Schulze Gronover, Christian; Fricke, Julia; Aziz, Zohra; Brillatz, Théo; Swyers, Michael; Köllner, Tobias G; Vogel, Heiko; Hammerbacher, Almuth; Triebwasser-Freese, Daniella; Robert, Christelle A M; Verhoeven, Koen; Preite, Veronica; Gershenzon, Jonathan; Erb, Matthias

    2016-01-01

    Plants produce large amounts of secondary metabolites in their shoots and roots and store them in specialized secretory structures. Although secondary metabolites and their secretory structures are commonly assumed to have a defensive function, evidence that they benefit plant fitness under herbivore attack is scarce, especially below ground. Here, we tested whether latex secondary metabolites produced by the common dandelion (Taraxacum officinale agg.) decrease the performance of its major native insect root herbivore, the larvae of the common cockchafer (Melolontha melolontha), and benefit plant vegetative and reproductive fitness under M. melolontha attack. Across 17 T. officinale genotypes screened by gas and liquid chromatography, latex concentrations of the sesquiterpene lactone taraxinic acid β-D-glucopyranosyl ester (TA-G) were negatively associated with M. melolontha larval growth. Adding purified TA-G to artificial diet at ecologically relevant concentrations reduced larval feeding. Silencing the germacrene A synthase ToGAS1, an enzyme that was identified to catalyze the first committed step of TA-G biosynthesis, resulted in a 90% reduction of TA-G levels and a pronounced increase in M. melolontha feeding. Transgenic, TA-G-deficient lines were preferred by M. melolontha and suffered three times more root biomass reduction than control lines. In a common garden experiment involving over 2,000 T. officinale individuals belonging to 17 different genotypes, high TA-G concentrations were associated with the maintenance of high vegetative and reproductive fitness under M. melolontha attack. Taken together, our study demonstrates that a latex secondary metabolite benefits plants under herbivore attack, a result that provides a mechanistic framework for root herbivore driven natural selection and evolution of plant defenses below ground.

  1. Oxygen deficiency impacts on burying habitats for lesser sandeel, Ammodytes tobianus, in the inner Danish waters

    DEFF Research Database (Denmark)

    Behrens, Jane; Ærtebjerg, Gunni; Petersen, Jens Kjerulf

    2009-01-01

    Starting in 1980s, the inner Danish waters have yearly been exposed to seasonal oxygen deficiency (hypoxia). Through spatial–temporal interpolation of monitoring data (1998–2005), we investigated oxygen deficiency impacts on suitable burying habitats for lesser sandeel (Ammodytes tobianus...

  2. Organochlorine and mercury residues in eggs of the lesser kestrel (Falco naumanni) from a long term study in the eastern Mediterranean

    International Nuclear Information System (INIS)

    Goutner, Vassilis; Bakaloudis, Dimitrios E.; Papakosta, Malamati A.; Vlachos, Christos G.; Mattig, Frank R.; Pijanowska, Ursula; Becker, Peter H.

    2015-01-01

    Organochlorine and mercury residues were analyzed in unhatched eggs of the lesser kestrel (Falco naumanni) (2002–2012) in central Greece. Concentrations graded as ∑DDTs > ∑PCBs > HCB > ∑HCHs > ∑Chlordanes. Temporal declines were found in the concentrations of ∑DDTs, ∑HCHs and ∑Chlordanes but not in Hg, HCB and ∑PCBs. TEQs of PCBs and their degree of metabolisation showed no time trend. The reproductive parameters showed neither a temporal trend nor a significant year effect. No relationships occurred between the reproductive parameters per year and nest type (natural, artificial) with any of the contaminants analyzed except HCB influenced by year and clutch size. Low pollutant concentrations suggest that either lesser kestrels ranged across the year in unpolluted areas or may be caused by their short food chain. The low concentrations seem improbable to have affected the reproduction of these birds, although critical levels are still to be defined. - Highlights: • Persistent organochlorine and mercury residues were detected in lesser kestrel's eggs. • ∑DDTs, ∑HCHs and ∑Chlordanes showed temporal declining trend; Hg, HCB and ∑PCBs did not. • HCB residue concentrations increased with larger clutch sizes. • Low concentrations of pollutants did not seem to affect reproduction. - Low concentrations of pollutants may not affect lesser kestrel's reproduction.

  3. Study on the changes of properties of Myanma lesser-used timber species following gamma-irradiation

    International Nuclear Information System (INIS)

    Kaye Thwe Kywe Aye; Win Kyi; Tin Hlaing

    2001-01-01

    The proper changes of some physical properties and mechanical properties of Leza [Laderstroemra tomentofa (PREFL.)] one of Myanmar lesser-used timber species, following radiation processing with 1 Mrad gamma-radiation has been studied. It is found that some properties of Leza-timber species are significantly changed at 95 percent confidence level. (author)

  4. Deformation mechanisms in the frontal Lesser Himalayan Duplex in Sikkim Himalaya, India

    Science.gov (United States)

    Matin, Abdul; Mazumdar, Sweety

    2009-08-01

    Understanding deformation mechanisms in Himalayan rocks is a challenging proposition due to the complex nature of the deformed rocks and their genesis. Crustal deformation in the Himalayan thrust belt typically occurs in elastico-frictional (EF) or quasi-plastic (QP) regimes at depths controlled mainly by regional strain-rate and geothermal gradient. However, material property, grain-size and their progressive changes during deformation are also important controlling factors. We present evidence of EF deformation from Gondwana rocks developed during the emplacement of one of the frontal horses (Jorthang horse) in the Lesser Himalayan Duplex (LHD) structure associated with Lesser Himalayan rocks in the footwall of the Ramgarh thrust in the Rangit window near Jorthang in the Sikkim Himalaya. The rocks in the horse exhibit systematic changes in microand meso-structures from an undeformed protolith to cataclasite suggesting that it was emplaced under elastico-frictional conditions. Meso- to micro-scale shear fractures are seen developed in Gondwana sandstone and slate while intercalated fine-grained shale-coal-carbonates are deformed by cataclastic flow suggesting that material property and grain-size have played an important role in the deformation of the Jorthang horse. In contrast, the hanging wall schists and quartzites of the Ramgarh thrust exhibit quasi-plastic deformation structures. This suggests that the Jorthang horse was emplaced under shallower crustal conditions than the antiformally folded Ramgarh thrust sheet even though the Ramgarh sheet presently overlies the Jorthang horse.

  5. A Review of the Benefits of Nature Experiences: More Than Meets the Eye

    Science.gov (United States)

    Franco, Lara S.; Shanahan, Danielle F.

    2017-01-01

    Evidence that experiences of nature can benefit people has accumulated rapidly. Yet perhaps because of the domination of the visual sense in humans, most research has focused on the visual aspects of nature experiences. However, humans are multisensory, and it seems likely that many benefits are delivered through the non-visual senses and these are potentially avenues through which a physiological mechanism could occur. Here we review the evidence around these lesser studied sensory pathways—through sound, smell, taste, touch, and three non-sensory pathways. Natural sounds and smells underpin experiences of nature for many people, and this may well be rooted in evolutionary psychology. Tactile experiences of nature, particularly beyond animal petting, are understudied yet potentially fundamentally important. Tastes of nature, through growing and consuming natural foods, have been linked with a range of health and well-being benefits. Beyond the five senses, evidence is emerging for other non-visual pathways for nature experiences to be effective. These include ingestion or inhalation of phytoncides, negative air ions and microbes. We conclude that (i) these non-visual avenues are potentially important for delivering benefits from nature experiences; (ii) the evidence base is relatively weak and often based on correlational studies; and (iii) deeper exploration of these sensory and non-sensory avenues is needed. PMID:28763021

  6. A Review of the Benefits of Nature Experiences: More Than Meets the Eye.

    Science.gov (United States)

    Franco, Lara S; Shanahan, Danielle F; Fuller, Richard A

    2017-08-01

    Evidence that experiences of nature can benefit people has accumulated rapidly. Yet perhaps because of the domination of the visual sense in humans, most research has focused on the visual aspects of nature experiences. However, humans are multisensory, and it seems likely that many benefits are delivered through the non-visual senses and these are potentially avenues through which a physiological mechanism could occur. Here we review the evidence around these lesser studied sensory pathways-through sound, smell, taste, touch, and three non-sensory pathways. Natural sounds and smells underpin experiences of nature for many people, and this may well be rooted in evolutionary psychology. Tactile experiences of nature, particularly beyond animal petting, are understudied yet potentially fundamentally important. Tastes of nature, through growing and consuming natural foods, have been linked with a range of health and well-being benefits. Beyond the five senses, evidence is emerging for other non-visual pathways for nature experiences to be effective. These include ingestion or inhalation of phytoncides, negative air ions and microbes. We conclude that (i) these non-visual avenues are potentially important for delivering benefits from nature experiences; (ii) the evidence base is relatively weak and often based on correlational studies; and (iii) deeper exploration of these sensory and non-sensory avenues is needed.

  7. The Paradigm for Effective School Supervision in Secondary ...

    African Journals Online (AJOL)

    The role of instructional supervision is to bring about teaching effectiveness from which students can benefit. The continued poor performance of secondary school students in Nigeria, as exemplified in the dismal school certificate results, complaints in local and national newspapers as well as electronic media, questions ...

  8. Long distance commutes by lesser long-nosed bats (Leptonycteris yerbabuenae) to visit residential hummingbird feeders

    Science.gov (United States)

    Debbie C. Buecher; Ronnie. Sidner

    2013-01-01

    Each spring, thousands of female lesser long-nosed bats (Leptonycteris yerbabuenae) migrate from southern Mexico to northern Sonora and southern Arizona to have their young and take advantage of seasonably available forage resources, including nectar, pollen, and fruit of columnar cacti. Once the pups are volant, the population begins to disperse across the grasslands...

  9. 77 FR 73827 - Endangered and Threatened Wildlife and Plants; Listing the Lesser Prairie-Chicken as a Threatened...

    Science.gov (United States)

    2012-12-11

    ... the lesser prairie-chicken (Tympanuchus pallidicinctus), a grassland bird known from southeastern... plants; wind energy development; petroleum production; and presence of roads and manmade vertical structures including towers, utility lines, fences, turbines, wells, and buildings. We will request peer...

  10. Assessing storm surge hazard and impact of sea level rise in the Lesser Antilles case study of Martinique

    Science.gov (United States)

    Krien, Yann; Dudon, Bernard; Roger, Jean; Arnaud, Gael; Zahibo, Narcisse

    2017-09-01

    In the Lesser Antilles, coastal inundations from hurricane-induced storm surges pose a great threat to lives, properties and ecosystems. Assessing current and future storm surge hazards with sufficient spatial resolution is of primary interest to help coastal planners and decision makers develop mitigation and adaptation measures. Here, we use wave-current numerical models and statistical methods to investigate worst case scenarios and 100-year surge levels for the case study of Martinique under present climate or considering a potential sea level rise. Results confirm that the wave setup plays a major role in the Lesser Antilles, where the narrow island shelf impedes the piling-up of large amounts of wind-driven water on the shoreline during extreme events. The radiation stress gradients thus contribute significantly to the total surge - up to 100 % in some cases. The nonlinear interactions of sea level rise (SLR) with bathymetry and topography are generally found to be relatively small in Martinique but can reach several tens of centimeters in low-lying areas where the inundation extent is strongly enhanced compared to present conditions. These findings further emphasize the importance of waves for developing operational storm surge warning systems in the Lesser Antilles and encourage caution when using static methods to assess the impact of sea level rise on storm surge hazard.

  11. A systematic scoping review of the domains and innovations in secondary uses of digitised health-related data

    Directory of Open Access Journals (Sweden)

    Ann R R Robertson

    2016-11-01

    Full Text Available Background: Substantial investments are being made in health ­information ­technology (HIT based on assumptions that these systems will save costs through increased quality, safety and efficiency of care provision. Whilst ­short-term ­benefits have often proven difficult to demonstrate, there is increasing interest in achieving benefits in the medium and long term through secondary uses of ­HIT-derived data. Aims: We aimed to describe the range of secondary uses of HIT-derived data in the international literature and identify innovative developments of particular relevance to UK policymakers and managers. Methods: We searched nine electronic databases to conduct a systematic scoping review of the international literature and augmented this by consulting a range of experts in the field. Results: Reviewers independently screened 16,806 titles, resulting in 583 ­eligible studies for inclusion. Thematic organisation of reported secondary uses was ­validated during expert consultation (n = 23. A primary division was made between patient-identifiable data and datasets in which individuals were not identified. Secondary uses were then categorised under four domain headings of: i research; ii quality and safety of care provision; iii financial management; and iv healthcare professional education. We found that innovative developments were most ­evident in research where, in particular, dataset linkage studies offered important ­opportunities for exploitation. Conclusions: Distinguishing patient-identifiable data from aggregated, de-identified datasets gives greater conceptual clarity in secondary uses of HIT-derived data. Secondary uses research has substantial potential for realising future benefits through generating new medical knowledge from dataset linkage studies, developing precision medicine and enabling cross-sectoral, evidence-based policymaking to benefit population-level well-being.

  12. SECONDARY WASTE MANAGEMENT STRATEGY FOR EARLY LOW ACTIVITY WASTE TREATMENT

    Energy Technology Data Exchange (ETDEWEB)

    TW, CRAWFORD

    2008-07-17

    This study evaluates parameters relevant to River Protection Project secondary waste streams generated during Early Low Activity Waste operations and recommends a strategy for secondary waste management that considers groundwater impact, cost, and programmatic risk. The recommended strategy for managing River Protection Project secondary waste is focused on improvements in the Effiuent Treatment Facility. Baseline plans to build a Solidification Treatment Unit adjacent to Effluent Treatment Facility should be enhanced to improve solid waste performance and mitigate corrosion of tanks and piping supporting the Effiuent Treatment Facility evaporator. This approach provides a life-cycle benefit to solid waste performance and reduction of groundwater contaminants.

  13. The phylogenetic relationships of insectivores with special reference to the lesser hedgehog tenrec as inferred from the complete sequence of their mitochondrial genome.

    Science.gov (United States)

    Nikaido, Masato; Cao, Ying; Okada, Norihiro; Hasegawa, Masami

    2003-02-01

    The complete mitochondrial genome of a lesser hedgehog tenrec Echinops telfairi was determined in this study. It is an endemic African insectivore that is found specifically in Madagascar. The tenrec's back is covered with hedgehog-like spines. Unlike other spiny mammals, such as spiny mice, spiny rats, spiny dormice and porcupines, lesser hedgehog tenrecs look amazingly like true hedgehogs (Erinaceidae). However, they are distinguished morphologically from hedgehogs by the absence of a jugal bone. We determined the complete sequence of the mitochondrial genome of a lesser hedgehog tenrec and analyzed the results phylogenetically to determine the relationships between the tenrec and other insectivores (moles, shrews and hedgehogs), as well as the relationships between the tenrec and endemic African mammals, classified as Afrotheria, that have recently been shown by molecular analysis to be close relatives of the tenrec. Our data confirmed the afrotherian status of the tenrec, and no direct relation was recovered between the tenrec and the hedgehog. Comparing our data with those of others, we found that within-species variations in the mitochondrial DNA of lesser hedgehog tenrecs appear to be the largest recognized to date among mammals, apart from orangutans, which might be interesting from the view point of evolutionary history of tenrecs on Madagascar.

  14. Proto-Typing Research Aimed for Secondary School Students and Teachers

    Science.gov (United States)

    Walker, C. E.; Fersch, A.; Barringer, D.; Pompea, S. M.

    2011-12-01

    In workshops on GLOBE at Night, teacher professional development has begun on using night sky brightness data and bat telemetry data to do scientific research in the classroom. The study looks at the effects of light pollution on the flight paths of threatened and endangered (T&E) bats between their day roosts and night foraging areas. A jump-start in getting secondary school students involved was the BioBlitz event in Tucson, Arizona in October 2011. During the 24-hour event, night Sky Quality Meter (SQM) data was taken across the Saguaro National Park West, through Tucson and across the Saguaro National Park East. The program had its beginning with a pair of Research Experiences for Undergraduates (REU) students and their advisor. Through the collaboration of the National Science Foundation's REU program, the National Optical Astronomy Observatory's GLOBE at Night program and the U.S. Arizona Game and Fish Department (AzGFD), two REU students along with their advisor used data from the GLOBE at Night project and telemetry tracking data of lesser long-nosed bats to study the effects of light pollution on the flight paths of the bats between their day roosts and night foraging areas around the city of Tucson, AZ. During the summer of 2010, the first REU student used the visual limiting magnitude data from GLOBE at Night and, with the assistance of the AzGFD, ran compositional analyses with respect to the bats' flight paths to determine whether the bats were selecting for or against flight through regions of particular night sky brightness levels. The bats selected for the regions in which the limiting sky magnitudes fell between the ranges of 2.8-3.0 to 3.6-3.8 and 4.4-4.6 to 5.0-5.2, suggesting that the lesser long-nosed bat can tolerate a fair degree of urbanization. Three areas of systematic uncertainty were identified of which 2 could be addressed the following summer. Due to a relatively large uncertainty in each individually measured visual limiting magnitude

  15. The benefits and drawbacks of syringe drivers in palliative care.

    Science.gov (United States)

    Costello, John; Nyatanga, Brian; Mula, Carole; Hull, Jenny

    2008-03-01

    This article will outline the use of continuous subcutaneous infusion pumps, known as syringe drivers, including their benefits and drawbacks in a palliative care context. There have been over 5000 articles published globally describing syringe drivers in the medical and nursing literature within the last decade. Many provide guidance on their use, although much of the data are repetitious, disease or age-group specific, and focused on pragmatic issues to do with clinical application. Several trusts and hospices across the UK are carrying out trials of the recently launched McKinley T34 syringe driver. Therefore, it seems timely to consider their wider use internationally. Globally, practitioners in palliative care are very familiar with their use, although the literature lacks specific guidance and, at times, the information is ambiguous. Having briefly reviewed their benefits, the article considers the limitations of using syringe drivers and comments on some of the lesser known/reported practical and patient-focused drawbacks associated with their use. We conclude by considering why, when so much education and training exists to help practitioners use these devices effectively, so many human errors occur.

  16. Radiographically breedspecific morphology and calcifying tendinopathy in the Iliopsoas muscle at the lesser trochanter in Rottweilers, German Shepherd dogs and Bavarian Mountain hounds

    OpenAIRE

    Willmitzer, Florian; Gumpenberger, Michaela; Sommerfeld-Stur, Irene; Mayrhofer, Elisabeth

    2016-01-01

    The purpose of this retrospective study is to describe the radiographic morphology of the lesser trochanter as well as possible enthesiopathies of the iliopsoas muscle in Rottweilers, German Shepherd Dogs and Bavarian Mountain Hounds. The normal shape of the lesser trochanter appeared radiological triangular in German Shepherd Dogs and blunt or bump like in Rottweilers and Bavarian Mountain Hounds. Changes indicating an enthesiopathy presented as periosteal blurrings, variation in shape or in...

  17. Forearc kinematics in obliquely convergent margins: Examples from Nicaragua and the northern Lesser Antilles

    Science.gov (United States)

    Turner, Henry L., III

    In this study, I use surface velocities derived from GPS geodesy, elastic half-space dislocation models, and modeled Coulomb stress changes to investigate deformation in the over-riding plate at obliquely convergent margins at the leading and trailing edges of the Caribbean plate. The two principal study areas are western Nicaragua, where the Cocos plate subducts beneath the Caribbean plate, and the northern Lesser Antilles, where the North American plate subducts beneath the Caribbean plate. In Nicaragua, plate convergence is rapid at 84 mm yr1 with a small angle of obliquity of 10° along a slightly concave portion of the Middle America Trench. GPS velocities for the period from 2000 to 2004 from sites located in the Nicaraguan forearc confirmed forearc sliver motion on the order of ˜14 mm yr1 in close agreement with the value predicted by DeMets (2001). These results are presented here in Chapter 3 and were reported in Geophysical Research Letters (Turner et al., 2007). GPS observations made on sites located in the interior and on the eastern coast of Nicaragua during the same time period were combined with new data from eastern Honduras to help better constrain estimates of rigid Caribbean plate motion (DeMets et al., 2007). Slip approaching the plate convergence rate along the Nicaraguan and El Salvadoran sections of the Middle America Trench was quantitatively demonstrated by finite element modeling of this section of the plate interface using GPS velocities from our Nicaraguan network together with velocities from El Salvador and Honduras as model constraints (Correa-Mora, 2009). The MW 6.9 earthquake that ruptured the seismogenic zone offshore Nicaragua on October 9, 2004 resulted in coseismic displacements and post-seismic motion at GPS sites in the central part of the Nicaraguan forearc that currently prevent extension of interseismic time-series in this region. An elastic half-space dislocation model was used to estimate coseismic displacements at these

  18. Resection for secondary malignancy of the pancreas.

    Science.gov (United States)

    Hung, Jui-Hsia; Wang, Shin-E; Shyr, Yi-Ming; Su, Cheng-Hsi; Chen, Tien-Hua; Wu, Chew-Wun

    2012-01-01

    This study tried to clarify the role of pancreatic resection in the treatment of secondary malignancy with metastasis or local invasion to the pancreas in terms of surgical risk and survival benefit. Data of secondary malignancy of the pancreas from our 19 patients and cases reported in the English literature were pooled together for analysis. There were 329 cases of resected secondary malignancy of the pancreas, including 241 cases of metastasis and 88 cases of local invasion. The most common primary tumor metastatic to the pancreas and amenable to resection was renal cell carcinoma (RCC) (73.9%). More than half (52.3%) of the primary cancers with local invasion to the pancreas were colon cancer, and nearly half (40.9%) were stomach cancer. The median metastatic interval was 84 months (7 years) for overall primary tumors and 108 months (9 years) for RCC. The 5-year survival for secondary malignancy of the pancreas after resection was 61.1% for metastasis and 58.9% for local invasion, with 72.8% for RCC metastasis, 69.0% for colon cancer, and 43.8% for stomach cancer with local invasion to the pancreas. Pancreatic resection should not be precluded for secondary malignancy of the pancreas because long-term survival could be achieved with acceptable surgical risk in selected patients.

  19. Winter fidelity and apparent survival of lesser snow goose populations in the Pacific flyway

    Science.gov (United States)

    Williams, C.K.; Samuel, M.D.; Baranyuk, Vasily V.; Cooch, E.G.; Kraege, Donald K.

    2008-01-01

    The Beringia region of the Arctic contains 2 colonies of lesser snow geese (Chen caerulescens caerulescens) breeding on Wrangel Island, Russia, and Banks Island, Canada, and wintering in North America. The Wrangel Island population is composed of 2 subpopulations from a sympatric breeding colony but separate wintering areas, whereas the Banks Island population shares a sympatric wintering area in California, USA, with one of the Wrangel Island subpopulations. The Wrangel Island colony represents the last major snow goose population in Russia and has fluctuated considerably since 1970, whereas the Banks Island population has more than doubled. The reasons for these changes are unclear, but hypotheses include independent population demographics (survival and recruitment) and immigration and emigration among breeding or wintering populations. These demographic and movement patterns have important ecological and management implications for understanding goose population structure, harvest of admixed populations, and gene flow among populations with separate breeding or wintering areas. From 1993 to 1996, we neckbanded molting birds at their breeding colonies and resighted birds on the wintering grounds. We used multistate mark-recapture models to evaluate apparent survival rates, resighting rates, winter fidelity, and potential exchange among these populations. We also compared the utility of face stain in Wrangel Island breeding geese as a predictor of their wintering area. Our results showed similar apparent survival rates between subpopulations of Wrangel Island snow geese and lower apparent survival, but higher emigration, for the Banks Island birds. Males had lower apparent survival than females, most likely due to differences in neckband loss. Transition between wintering areas was low (exchange between the Banks and northern Wrangel Island populations. Face staining was an unreliable indicator of wintering area. Our findings suggest that northern and southern

  20. Reproductive parameters of tropical lesser noddies respond to local variations in oceanographic conditions and weather

    Science.gov (United States)

    Monticelli, David; Ramos, Jaime A.; Catry, Teresa; Pedro, Patricia; Paiva, Vitor H.

    2014-02-01

    Most attempts to link seabirds and climate/oceanographic effects have concerned the Atlantic and Pacific Oceans with comparatively few studies in the tropical Indian Ocean. This paper examines the reproductive response of the lesser noddy Anous tenuirostris to temporal fluctuations in oceanographic and climatic conditions using 8 years of monitoring data from Aride Island (Seychelles), tropical Western Indian Ocean. We tested the hypothesis that breeding parameters (mean hatching date, mean egg size, hatching and fledging successes) and chick growth are influenced by local, seasonal oceanographic conditions as expressed by ocean primary productivity (surface chlorophyll-a concentrations; CC), sea surface temperature (SST) and wind speed. We also examined the relationship between lesser noddy breeding parameters and climate conditions recorded at the basin-wide scale of the Indian Ocean (Indian Ocean Dipole Mode Index, DMI). Our findings suggest that birds had a tendency to lay slightly larger eggs during breeding seasons (years) with higher CC during April-June (pre-laying, laying and incubation periods). Hatching date was positively related to SST in April-June, with the regression parameters suggesting that each 0.5 °C increase in SST meant a delay of approx.10 days in hatching date. A negative linear relationship was also apparent between hatching success and SST in June-August (hatching and chick-rearing periods), while the quadratic regression models detected a significant effect of wind speed in June-August on fledging success. Body mass increments of growing chicks averaged over 7-day periods were positively related with (2-week) lagged CC values and negatively related with (2-week) lagged SST values. No significant relationship between DMI and lesser noddy breeding parameters was found, but DMI indices were strongly correlated with local SST. Altogether, our results indicate that the reproduction of this top marine predator is dictated by fluctuations in

  1. Antiproliferative activities of lesser galangal (Alpinia officinarum Hance Jam1), turmeric (Curcuma longa L.), and ginger (Zingiber officinale Rosc.) against acute monocytic leukemia.

    Science.gov (United States)

    Omoregie, Samson N; Omoruyi, Felix O; Wright, Vincent F; Jones, Lemore; Zimba, Paul V

    2013-07-01

    Acute monocytic leukemia (AML M5 or AMoL) is one of the several types of leukemia that are still awaiting cures. The use of chemotherapy for cancer management can be harmful to normal cells in the vicinity of the target leukemia cells. This study assessed the potency of the extracts from lesser galangal, turmeric, and ginger against AML M5 to use the suitable fractions in neutraceuticals. Aqueous and organic solvent extracts from the leaves and rhizomes of lesser galangal and turmeric, and from the rhizomes only of ginger were examined for their antiproliferative activities against THP-1 AMoL cells in vitro. Lesser galangal leaf extracts in organic solvents of methanol, chloroform, and dichloromethane maintained distinctive antiproliferative activities over a 48-h period. The turmeric leaf and rhizome extracts and ginger rhizome extracts in methanol also showed distinctive anticancer activities. The lesser galangal leaf methanol extract was subsequently separated into 13, and then 18 fractions using reversed-phase high-performance liquid chromatography. Fractions 9 and 16, respectively, showed the greatest antiproliferative activities. These results indicate that the use of plant extracts might be a safer approach to finding a lasting cure for AMoL. Further investigations will be required to establish the discriminatory tolerance of normal cells to these extracts, and to identify the compounds in these extracts that possess the antiproliferative activities.

  2. Perceived exercise benefits and barriers among power wheelchair soccer players.

    Science.gov (United States)

    Barfield, J P; Malone, Laurie A

    2013-01-01

    Lack of exercise is a major risk factor for secondary conditions among persons dependent upon motorized wheelchairs. Power wheelchair soccer is a unique exercise opportunity for this population, and understanding factors that influence exercise decision-making is necessary for clinicians to help those in motorized chairs reduce their secondary risk. Therefore, this study examined differences in perceived benefits and barriers to exercise among power wheelchair soccer players using a mixed-methods analysis. The most common perceived benefit to exercise was "Exercising lets me have contact with friends and persons I enjoy." Post hoc comparisons of quantitative data indicated that persons with muscular dystrophy perceived exercise to be significantly less important than did other disability groups (p Exercise is hard work for me," "Exercise tires me," and "There are too few places for me to exercise" were the most common perceived barriers. These findings can assist with development of exercise opportunities for power wheelchair users.

  3. Particularités et bienfaits des yaourts [Charactéristics and benefits of yogurts

    Directory of Open Access Journals (Sweden)

    Jean-Michel LECERF

    2016-06-01

    Full Text Available Yogurts are fermented milks with specific lactic bacillus. These are living foods which combine nutritional properties of dairy products and probiotics properties. Lactic bacillus own a lactase (betagalactosidase which acts along the gastrointestinal tractus ; that allows to the yogurt to be well adapted for subjects with lactose intolerant. They have probiotic effects and they increase gut immunity and systemic immunity. They induce a microbiote change. The yogurt consumption is linked to a decrease of overweight and obesity prevalence, and of metabolic syndrome and type 2 diabetes. Favorable effects are also observed on blood pressure and on plasma lipids. This explain probably the lesser cardiovascular risk with a higher yogurt consumption observed in some epidemiological studies. The involved mechanisms are not exactly known, nor the nutrients and microconstituents responsible of those effects: the role of calcium, bio-peptides, specific dairy fatty acids, specific oligosaccharides, lactic bacillus are suspected. Moreover the fermented milk and yogurt consumption is usefull against osteoporosis and finally it is probably associated to a lesser colorectal cancer risk. Many dietary surveys have shown that yogurt consumers had a better quality diet, a better satisfaction of recommended dietary allowances and a well-balanced dietary pattern. That could explain partially the health benefits of yogurt consumption.

  4. Synergistic effects of chlorpyrifos with piperonyl butoxide (pbo against the lesser mealworm, Alphitobius diaperinus (Panzer (Coleoptera: Tenebrionidae

    Directory of Open Access Journals (Sweden)

    Akter Mst Yeasmin

    2014-12-01

    Conclusions: The study suggests that the mortality rate of lesser meal worm is increase with the increase of insecticide dose. The LD50 values of the insecticides are inversely related to the toxicity of the insecticides i.e. higher the LD50 value lower the toxicity of the insecticide.

  5. Quality control of secondary standards and calibration systems, therapy level, of National Laboratory of Metrology from Ionizing Radiations (LNMRI)

    International Nuclear Information System (INIS)

    Cecatti, E.R.; Freitas, L.C. de

    1992-01-01

    The results of quality control program of secondary standards, therapy level, and the calibration system of clinical dosemeters were analysed from 1984, when a change in the laboratory installation occurred and new standards were obtained. The national and the international intercomparisons were emphasised. The results for graphite wall chambers were compared, observing a maximum variation of about 0,6%. In the case of Delrin (TK01) wall chambers, the maximum variation was 1,7%. The results of post intercomparisons with thermoluminescent dosemeters have presented derivations lesser than 1%, securing the standards consistence at LNMRI with the international metrological system. (C.G.C.)

  6. Genetic evidence of hybridization between the endangered native species Iguana delicatissima and the invasive Iguana iguana (Reptilia, Iguanidae) in the Lesser Antilles: management Implications

    OpenAIRE

    Vuillaume, Barbara; Valette, Victorien; Lepais, Olivier; Grandjean, Frederic; Breuil, Michel

    2015-01-01

    The worldwide increase of hybridization in different groups is thought to have become more important with the loss of isolating barriers and the introduction of invasive species. This phenomenon could result in the extinction of endemic species. This study aims at investigating the hybridization dynamics between the endemic and threatened Lesser Antillean iguana (Iguana delicatissima) and the invasive common green iguana (Iguana iguana) in the Lesser Antilles, as well as assessing the impact ...

  7. Who benefits from public health financing in Zimbabwe? Towards universal health coverage.

    Science.gov (United States)

    Shamu, Shepherd; January, James; Rusakaniko, Simbarashe

    2017-09-01

    Zimbabwe's public health financing model is mostly hospital-based. Financing generally follows the bigger and higher-level hospitals at the expense of smaller, lower-level ones. While this has tended to perpetuate inequalities, the pattern of healthcare services utilisation and benefits on different levels of care and across different socioeconomic groups remains unclear. The purpose of this study was therefore to assess the utilisation of healthcare services and benefits at different levels of care by different socioeconomic groups. We conducted secondary data analysis of the 2010 National Health Accounts survey, which had 7084 households made up of 26,392 individual observations. Results showed significant utilisation of health services by poorer households at the district level (concentration index of -0.13 [CI:-0.2 to -0.06; p < .05]), but with mission hospitals showing equitable utilisation by both groups. Provincial and higher levels showed greater utilisation by richer households (0.19; CI: 0.1-0.29; p < .05). The overall results showed that richer households benefited significantly more from public health funds than poorer households (0.26; CI: 0.2-0.4; p < .05). Richer households disproportionately benefited from public health subsidies overall, particularly at secondary and tertiary levels, which receive more funding and provide a higher level of care.

  8. Helicopter EMS: Research Endpoints and Potential Benefits

    Directory of Open Access Journals (Sweden)

    Stephen H. Thomas

    2012-01-01

    Full Text Available Patients, EMS systems, and healthcare regions benefit from Helicopter EMS (HEMS utilization. This article discusses these benefits in terms of specific endpoints utilized in research projects. The endpoint of interest, be it primary, secondary, or surrogate, is important to understand in the deployment of HEMS resources or in planning further HEMS outcomes research. The most important outcomes are those which show potential benefits to the patients, such as functional survival, pain relief, and earlier ALS care. Case reports are also important “outcomes” publications. The benefits of HEMS in the rural setting is the ability to provide timely access to Level I or Level II trauma centers and in nontrauma, interfacility transport of cardiac, stroke, and even sepsis patients. Many HEMS crews have pharmacologic and procedural capabilities that bring a different level of care to a trauma scene or small referring hospital, especially in the rural setting. Regional healthcare and EMS system's benefit from HEMS by their capability to extend the advanced level of care throughout a region, provide a “backup” for areas with limited ALS coverage, minimize transport times, make available direct transport to specialized centers, and offer flexibility of transport in overloaded hospital systems.

  9. Lesser Antillean Arc Initiation and Migration as a Proxy of Slab Dynamics: Geothermochronology, Thermobarometry and Structure of Saint Martin Granodiorites

    Science.gov (United States)

    Noury, M.; Münch, P.; Philippon, M. M.; Bernet, M.; Bruguier, O.; Balvay, M.

    2017-12-01

    In subduction zones, volcanic arc initiation, cessation, migration and associated upper plate deformation -i.e faulting and vertical motions- reflect large-scale slab dynamics. At the northeastern edge of the Caribbean plate, the Greater Caribbean subduction zone waned out during the Mid Eocene, following the subduction of the Bahamas bank. This arc cessation was contemporaneous with (i) a plate boundary re-organization (evolving from subduction to transform), (ii) upper plate deformation and (iii) arc initiation in the Lesser Antilles. As part of the GAARANTI project that aims at unraveling the relationships between the evolution of terrestrial Caribbean biodiversity and vertical motions resulting from the Lesser Antilles subduction zone dynamic, we study the Saint Martin granodiorites, one of the two Oligocene plutons outcropping in the Lesser Antillean forearc. We investigate the birth and evolution of the Lesser Antillean arc and its thermo-mechanical impact on the Caribbean upper plate. In order to characterize the P,T,t path of the pluton we performed several thermochronological analyses covering a wide range of temperature (U-Pb on zircon -Tc 850°C, Ar/Ar on amphibole -Tc 550°C- and biotite -Tc 325°C-, zircon and apatite fission-tracks -Tc 250 and 110°C, respectively as well as U-Th/He on apatite -Tc 60°C) coupled with in-situ thermobarometry analyses (Al in hornblendes) and structural data. Geochronology and thermobarometry reveal that the granodiorites emplaced at ca. 28 Ma, at a depth of 5 km. Based on the age difference between amphibole and biotite Ar/Ar ages, we show that the northern pluton cooled faster than the southern one. Preliminary thermochronological results show a fast cooling between 29 and 25 Ma and then a continuous and slow cooling since 25 Ma and inverse modeling points to a 10 Ma cooling event. Our investigations give insights on the thermo-mechanical evolution of the arc-forearc region of the Lesser Antilles subduction zone

  10. A Case Study on the Implementation of Local Health Insurance Benefit Packages

    Directory of Open Access Journals (Sweden)

    Supriyantoro Supriyantoro

    2015-06-01

    Full Text Available Background: The variation of benefit packages implemented by some local social health insurance schemes (Jamkesda become an important issue in the effort to integrating them into National Health Insurance (JKN. This study aims to describe implementation of Jamkesda’s benefit packages as a basic consideration in integration to JKN. Methods: Design of this study is case study with qualitative and quantitative aproaches, conducted 2013–2014 in all of districts/cities which already have Jamkesda. Primary and secondary data was collected. Primary data has been collected by focus group discussion, interview, observation, and self administered questioner. Secondary data collected from many sources such as articles, journal, official document, statistics data, and others. Results:Of this study show there is no significant relationship between fiscal capacity group and benefit packages (continuity correction, p value = 0.065. But, districts/cities with high fiscal capacity (high and very high seem likely to have probability 1,920 bigger than lower capacity districts/cities in giving equal or more benefit than existing national social health insurance (Jamkesmas (Mantel-Haenszel, Common Odds Ratio Estimates = 1.920; Confidence Interval 95% =1.008–3.658; asymp. Sig 2 sided = 0.047. There is variation of benefit packages between each Jamkesda. Qualitative results show there are many obstacles faced in giving benefit health services, such as limited community accessibility to health facilities, the absence of health workforce, and lack of health infrastructure and equipment. Recomendation: This study recommends to set a national minimum benefit packages and equalizing percetion of local decission maker.

  11. Tomographic Imaging of the Lesser Antilles Subducted Slab and its Significance for Estimating the Age and Amount of Eastward Motion of the Overriding Caribbean Plate

    Science.gov (United States)

    Mann, P.; Chen, Y. W.; Wu, J.; Suppe, J.

    2017-12-01

    The idea of a Pacific-derived and eastward-transported Caribbean and Scotia plates was first proposed by J. Tuzo Wilson in 1966. Wilson proposed that the motion of these two, small plates was analogous to "ice rafting" observed on frozen lakes and oceans when a narrow ( 50 m) strip of ice is forced over a lower plate of ice. In the Caribbean the upper plate corresponds to the 750 km-long, north-south length of the Lesser Antilles volcanic arc ranging in thickness from 20-30 km while its subducting plate is Atlantic Cretaceous oceanic crust of 8-10 km thickness and subducting at an angle of 45º to a depth of 300 km into the mantle. We estimated the length of the Lesser Antilles slab from MIT P-wave global tomography (MITP08; Li et al., 2008) and compared to published transects from Utrecht UUP-07 global tomography (van Bentham et al., 2013). The measured slab lengths vary from 1550 km (Utrecht) to 1250 km (MIT). We then unfolded both slabs to the Earth's surface, and used GPlates to restore the leading edge of the Caribbean plate at the time of the Lesser Antilles slab's initial subduction. The Middle Eocene (49 Ma) reconstruction realigns the proto-Lesser Antilles arc and leading edge of the Caribbean plate in a continuous arc with older arc rocks in Cuba. During this Middle Eocene period of abrupt tectonic transition, the Cuban arc segment was terminated on its northeastward path by collision with the Bahama carbonate platform with subsequent reorientation onto its present, east-west path into the central Atlantic Ocean from 49-0 Ma. This collision/plate reorientation event is independently recorded by: 1) a poorly defined Greater Antilles slab seen on tomography that is aligned with the Cuban arc; 2) identical initiation ages of 49 Ma for the Cayman trough pull-apart and the Lesser Antilles slab; and 3) similarity in lengths for the length of the subducted, Lesser Antilles slab ( 1250-1550 km) and the length of the Cayman trough pull-apart basin ( 1100 km). East

  12. The difference in cultural curriculum: for a lesser (Physical Education

    Directory of Open Access Journals (Sweden)

    Hugo César Bueno Nunes

    2017-05-01

    Full Text Available The current time is contingent, plural, decentralized, free of old identities and permeated by the noise of voices that have never been heard. Inserted in such context, the school tries to overcome traces of the past and face the struggles of the present. Regarding physical education, the cultural curriculum seems to contribute with the new era mentality by questioning the hegemony of body practices and meanings of the privileged groups to promote the pedagogy of difference. This study analyzed the most important works on this proposal, identifying teaching principles and procedures that characterize it and submitted them to the confrontation with the notion of pure difference by Gilles Deleuze. The results indicate that the cultural curriculum takes the features of a lesser (physical education when it listens what the „different ones‟ have to say and pays attention to the cultural body repertoire that students can access

  13. Fifteen years of losartan: what have we learned about losartan that can benefit chronic kidney disease patients?

    Directory of Open Access Journals (Sweden)

    Elizabeth Ripley

    2010-06-01

    Full Text Available Elizabeth Ripley, Ari HirschDivision of Nephrology, Virginia Commonwealth University, Richmond, Virginia, USAAbstract: Losartan, the first AT1 receptor blocker (ARB, was FDA approved 15 years ago.During those years, researchers and clinicians have developed a growing base of knowledge on the benefits of losartan, particularly for hypertension and renal disease. These benefits include decreasing proteinuria, slowing the progression of diabetic nephropathy, controlling hypertension, and decreasing stroke risk in patients with left ventricular hypertrophy. Although many of the benefits of losartan represent a class effect for ARBs, losartan has pharmacokinetic and pharmacodynamic characteristics and effects that are unique and are not a class effect. For example, a shorter duration of action is seen with this first ARB compared with other more recently approved ARBs. Losartan also has a uricosuric effect not seen in other ARBs and attenuates platelet aggregation, which is not seen or is seen to a lesser extent with the other ARBs. This review presents the physiological effects of losartan on the kidney and discusses relevant clinical outcomes.Keywords: losartan, chronic kidney disease

  14. Secondary metabolism and interspecific competition affect accumulation of spontaneous mutants in the gacS/gacA regulatory system in Pseudomonas protegens

    NARCIS (Netherlands)

    Yan, Qing; Lopes, Lucas D.; Schaffer, Brenda T.; Kidarsa, Teresa; Vining, Oliver; Philmus, Benjamin; Song, C.; Stockwell, Virginia O.; Raaijmakers, J.M.; McPhail, Kerry L.; Andreote, F.D.; Chang, Jeff H.; Loper, Joyce E.

    2018-01-01

    Secondary metabolites are synthesized by many microorganisms and provide a fitness benefit in the presence of competitors and predators. Secondary metabolism also can be costly, as it shunts energy and intermediates from primary metabolism. In Pseudomonas spp., secondary metabolism is controlled by

  15. Secondary metabolism and interspecific competition affect accumulation of spontaneous mutants in the GacS-GacA regulatory system in Pseudomonas protegens

    Science.gov (United States)

    Secondary metabolites are synthesized by many microorganisms and provide a fitness benefit in the presence of competitors and predators. Secondary metabolism also can be costly, as it shunts energy and intermediates from primary metabolism. In Pseudomonas spp., secondary metabolism is controlled by ...

  16. Assessment of the Cost–Benefit Literature on Early Childhood Education for Vulnerable Children

    Directory of Open Access Journals (Sweden)

    Kim M. Dalziel

    2015-02-01

    Full Text Available Given international interest in evidence-informed early education policy, we sought to interpret what is often a confusing literature on the performance of early childhood education programs. We explore whether they represent a good return on investment and the factors affecting their transferability. A systematic review was conducted to identify all cost–benefit (C-B studies of center-based programs enrolling disadvantaged children prior to age 5 compared with a matched group. From a search across all pertinent databases in 2013, 13 economic evaluations relating to six distinct programs were identified that met the inclusion criteria. Of the six programs, half were reported as producing a substantial net benefit (benefits considerably greater than cost representing a good investment, while for the other half, costs were greater than benefits. We explore possible reasons for the considerable divergence in economic outcomes. The primary driver was the divergent effectiveness of the programs reported in the original outcome studies, and to a lesser extent the scope of benefits included in the economic evaluation and period of follow-up. The context in which programs were delivered and program intensity differed markedly. The two oldest (1960s and 1970s small randomized control trials of high intensity produced far better outcomes and return on investment than more recent large-scale service delivery. This collection of C-B studies challenges the expectation of good returns on investment from the rollout of early childhood programs. A checklist is provided to assist policy makers with the interpretation of C-B studies.

  17. A lesser frigatebird (Fregata ariel) in California: a first for the state and fourth for North America

    Science.gov (United States)

    Brain L Sullivan; Marshall J. Iliff; Peter L. Ralph; C. J. Ralph; Steven T. Kelling

    2007-01-01

    This paper summarizes the occurrence and identification of California's first Lesser Frigatebird (Fregata ariel), a subadult female photographed on 15 July 2007 at Lanphere Dunes near Arcata, Humboldt Country. This record is the fourth of this species for North America and the first in the eastern Pacific Ocean of the Western Hemisphere.

  18. The immunoglobulin class of anti-hapten antibody secreted during secondary responses in vitro and in vivo.

    Science.gov (United States)

    North, J R; Dresser, D W

    1977-05-01

    A comparison has been made of the in vitro and in vivo response of primed mouse spleen cells to the hapten DNP. The responses were analysed in terms of six classes (sub-classes) of humoral antibody directed against the cross-reacting hapten TNP. By comparison with the response in intact mice the adoptive secondary response is delayed by 3 days in addition to being somewhat lesser in magnitude. The timing of the response in vitro is similar to that observed in intact mice. The preponderant class in all three responses was gammaG1 with gammaA and gammaG3 secreting cells consistently comprising the smallest proportion of the total of antibody-secreting cells.

  19. Contrasting sedimentary processes along a convergent margin: the Lesser Antilles arc system

    Science.gov (United States)

    Picard, Michel; Schneider, Jean-Luc; Boudon, Georges

    2006-12-01

    Sedimentation processes occurring in an active convergent setting are well illustrated in the Lesser Antilles island arc. The margin is related to westward subduction of the North and/or the South America plates beneath the Caribbean plate. From east to west, the arc can be subdivided into several tectono-sedimentary depositional domains: the accretionary prism, the fore-arc basin, the arc platform and inter-arc basin, and the Grenada back-arc basin. The Grenada back-arc basin, the fore-arc basin (Tobago Trough) and the accretionary prism on the east side of the volcanic arc constitute traps for particles derived from the arc platform and the South American continent. The arc is volcanically active, and provides large volumes of volcaniclastic sediments which accumulate mainly in the Grenada basin by volcaniclastic gravity flows (volcanic debris avalanches, debris flows, turbiditic flows) and minor amounts by fallout. By contrast, the eastern side of the margin is fed by ash fallout and minor volcaniclastic turbidites. In this area, the dominant component of the sediments is pelagic in origin, or derived from South America (siliciclastic turbidites). Insular shelves are the locations of carbonate sedimentation, such as large platforms which develop in the Limestone Caribbees in the northern part of the margin. Reworking of carbonate material by turbidity currents also delivers lesser amounts to eastern basins of the margin. This contrasting sedimentation on both sides of the arc platform along the margin is controlled by several interacting factors including basin morphology, volcanic productivity, wind and deep-sea current patterns, and sea-level changes. Basin morphology appears to be the most dominant factor. The western slopes of the arc platform are steeper than the eastern ones, thus favouring gravity flow processes.

  20. First record of the Lesser Horseshoe bat, Rhinolophus hipposideros (Bechstein, 1800) (Rhinolophidae, Chiroptera) from Syria

    OpenAIRE

    Shehab, Adwan; Mamkhair, Inrahim; Amr, Zuhair

    2007-01-01

    Abstract The lesser horseshoe bat Rhinolophus hipposideros was recorded for the first time from Syria in 2005-06. Two solitary hibernating specimens (a male and a female) were collected from an underground cave in Basofan village, NW of Aleppo, and from Al Marqab Citadel, Banyas. External and cranial measurements are given for both specimens. The list of recorded species of bats of Syria includes 17 species. Riassunto&l...

  1. A Proposed Community Network For Monitoring Volcanic Emissions In Saint Lucia, Lesser Antilles

    Science.gov (United States)

    Joseph, E. P.; Beckles, D. M.; Robertson, R. E.; Latchman, J. L.; Edwards, S.

    2013-12-01

    Systematic geochemical monitoring of volcanic systems in the English-speaking islands of the Lesser Antilles was initiated by the UWI Seismic Research Centre (SRC) in 2000, as part of its volcanic surveillance programme for the English-speaking islands of the Lesser Antilles. This programme provided the first time-series observations used for the purpose of volcano monitoring in Dominica and Saint Lucia, permitted the characterization of the geothermal fluids associated with them, and established baseline studies for understanding of the hydrothermal systems during periods of quiescence (Joseph et al., 2011; Joseph et al., 2013). As part of efforts to improve and expand the capacity of SRC to provide volcanic surveillance through its geothermal monitoring programme, it is necessary to develop economically sustainable options for the monitoring of volcanic emissions/pollutants. Towards this effort we intend to work in collaboration with local authorities in Saint Lucia, to develop a monitoring network for quantifying the background exposure levels of ambient concentrations of volcanic pollutants, SO2 in air and As in waters (as health significant marker elements in the geothermal emissions) that would serve as a model for the emissions monitoring network for other volcanic islands. This programme would facilitate the building of local capacity and training to monitor the hazardous exposure, through the application and transfer of a regionally available low-cost and low-technology SO2 measurement/detection system in Saint Lucia. Existing monitoring technologies to inform evidence based health practices are too costly for small island Caribbean states, and no government policies or health services measures currently exist to address/mitigate these influences. Gases, aerosols and toxic elements from eruptive and non-eruptive volcanic activity are known to adversely affect human health and the environment (Baxter, 2000; Zhang et al., 2008). Investigations into the

  2. History of a secondary side inspection tooling development

    International Nuclear Information System (INIS)

    Harris, W.

    2012-01-01

    This presentation provides a brief history (1980 to present day) of steam generator secondary side tooling requirements, tooling development, tooling available today and how and where this tooling has been implemented for steam generator secondary side inspections. History of Tooling Development discussion covers the relatively short time period from when the SGSS tooling was required and why as well the associated challenges with development through present day; Available Tooling discussion covers the actual tooling available today, locations in the steam generator where the tooling is used and how the tooling works; Implementation discussion covers where in the world this tooling has been deployed as well the benefits the tooling has provided. (author)

  3. Secondary electron measurement and XPS characterization of NEG coatings

    International Nuclear Information System (INIS)

    Sharma, R. K.; Sinha, Atul K.; Gupta, Nidhi; Nuwad, J.; Jagannath,; Gadkari, S. C.; Singh, M. R.; Gupta, S. K.

    2014-01-01

    Ternary alloy coatings of IVB and VB materials provide many of benefits over traditional material surfaces such as creation of extreme high vacuum(XHV), lower secondary electron yield(SEY), low photon desorption coefficient. XHV (pressure −10 mbar) is very useful to the study of surfaces of the material in as it is form, high energy particle accelerators(LHC, Photon Factories), synchrotrons (ESRF, Ellectra) etc.. Low secondary electron yield leads to very low multi-pacting utilizes to increase beam life time. In this paper preparation of the coatings and a study of secondary electron yield measurement after heating at different temperatures has been shown also results of their surface characterization based on shift in binding energy has been produced using the surface techniques XPS. Stoichiometry of the film was measured by Energy dispersive x-ray analysis (EDX)

  4. Contaminated Larval and Adult Lesser Mealworms, Alphitobius diaperinus (Coleoptera: Tenebrionidae)can Transmit Salmonella Typhimurium in a Broiler Flock

    Science.gov (United States)

    The ability of the lesser mealworm, Alphitobius diaperinus (Panzer), commonly known as the darkling beetle, to transmit a marker strain Salmonella Typhimurium to day-of-hatch broiler chicks was evaluated, as well as the spread to non-challenged pen mates. Day-of-hatch chicks were orally gavaged wit...

  5. GPS tracking data of Lesser Black-backed Gulls and Herring Gulls breeding at the southern North Sea coast

    NARCIS (Netherlands)

    Stienen, E.W.M.; Desmet, P.; Aelterman, B.; Courtens, W.; Feys, S.; Vanermen, N.; Verstraete, H.; Van de Walle, M.; Deneudt, K.; Hernandez, F.; Houthoofdt, R.; Vanhoorne, B.; Bouten, W.; Buijs, R.-J.; Kavelaars, M.M.; Müller, W.; Herman, D.; Matheve, H.; Sotillo, A.; Lens, L.

    2016-01-01

    In this data paper, Bird tracking - GPS tracking of Lesser Black-backed Gulls and Herring Gulls breeding at the southern North Sea coast is described, a species occurrence dataset published by the Research Institute for Nature and Forest (INBO). The dataset (version 5.5) contains close to 2.5

  6. RECREATIONAL ACTIVITIES AND BODY EXERCISE AMONG SECONDARY SCHOOL STUDENTS IN KWARA STATE, NIGERIA

    OpenAIRE

    Olaitan; Olukunmi ‘Lanre; Bakinde; Surajudeen Tosho; Ibraheem; Tajudeen Olanrewaju

    2012-01-01

    This paper investigated the influence of recreational activities and body exercise among secondary school students in Kwara State. This paper explores types of exercise, benefits of physical exercise, risk of physical exercise and well as health and recreation. Four research questions and four research hypotheses were raised and generated to guide the study.This researcher employed a descriptive research survey method. The population consists of all secondary school students in Kwara State. T...

  7. A projection of lesser prairie chicken (Tympanuchus pallidicinctus) populations range-wide

    Science.gov (United States)

    Cummings, Jonathan W.; Converse, Sarah J.; Moore, Clinton T.; Smith, David R.; Nichols, Clay T.; Allan, Nathan L.; O'Meilia, Chris M.

    2017-08-09

    We built a population viability analysis (PVA) model to predict future population status of the lesser prairie-chicken (Tympanuchus pallidicinctus, LEPC) in four ecoregions across the species’ range. The model results will be used in the U.S. Fish and Wildlife Service's (FWS) Species Status Assessment (SSA) for the LEPC. Our stochastic projection model combined demographic rate estimates from previously published literature with demographic rate estimates that integrate the influence of climate conditions. This LEPC PVA projects declining populations with estimated population growth rates well below 1 in each ecoregion regardless of habitat or climate change. These results are consistent with estimates of LEPC population growth rates derived from other demographic process models. Although the absolute magnitude of the decline is unlikely to be as low as modeling tools indicate, several different lines of evidence suggest LEPC populations are declining.

  8. Exploring the Effects of Project-Based Learning in Secondary Mathematics Education

    Science.gov (United States)

    Holmes, Vicki-Lynn; Hwang, Yooyeun

    2016-01-01

    This mixed-method, longitudinal study investigated the benefits of project-based learning (PBL) on secondary-mathematics students' academic skill development and motivated strategies for learning (i.e., cognitive, social, and motivational). The focus of this study was academic skill development (algebra- and geometry-assessment scores) and other…

  9. Reforesting severely degraded grassland in the Lesser Himalaya of Nepal : Effects on soil hydraulic conductivity and overland flow production

    NARCIS (Netherlands)

    Ghimire, C.P.; Bonell, Mike; Bruijnzeel, L. Adrian; Coles, Neil A.; Lubczynski, M.

    2013-01-01

    [1] Severely degraded hillslopes in the Lesser Himalaya challenge local communities as a result of the frequent occurrence of overland flow and erosion during the rainy season and water shortages during the dry season. Reforestation is often perceived as an effective way of restoring predisturbance

  10. Leading edge vortices in lesser long-nosed bats occurring at slow but not fast flight speeds

    International Nuclear Information System (INIS)

    Muijres, Florian T; Christoffer Johansson, L; Hedenström, Anders; Winter, York

    2014-01-01

    Slow and hovering animal flight creates high demands on the lift production of animal wings. Steady state aerodynamics is unable to explain the forces required and the most commonly used mechanism to enhance the lift production is a leading edge vortex (LEV). Although LEVs increase the lift, they come at the cost of high drag. Here we determine the flow above the wing of lesser long-nosed bats at slow and cruising speed using particle image velocimetry (PIV). We find that a prominent LEV is present during the downstroke at slow speed, but not at cruising speed. Comparison with previously published LEV data from a robotic flapper inspired by lesser long-nosed bats suggests that bats should be able to generate LEVs at cruising speeds, but that they avoid doing so, probably to increase flight efficiency. In addition, at slow flight speeds we find LEVs of opposite spin at the inner and outer wing during the upstroke, potentially providing a control challenge to the animal. We also note that the LEV stays attached to the wing throughout the downstoke and does not show the complex structures found in insects. This suggests that bats are able to control the development of the LEV and potential control mechanisms are discussed. (papers)

  11. Is Some Data Better than No Data at All? Evaluating the Utility of Secondary Needs Assessment Data

    Science.gov (United States)

    Shamblen, Stephen R.; Dwivedi, Pramod

    2010-01-01

    Needs assessments in substance abuse prevention often rely on secondary data measures of consumption and consequences to determine what population subgroup and geographic areas should receive a portion of limited resources. Although these secondary data measures have some benefits (e.g. large sample sizes, lack of survey response biases and cost),…

  12. Computer modelling the potential benefits of amines in NPP Bohunice secondary circuit

    International Nuclear Information System (INIS)

    Fountain, M.J.; Smiesko, I.

    1998-01-01

    The use of computer modelling of PWR and WWER secondary circuit chemistry was already demonstrated in the past. The model was used to illustrate the technical and economic advantages, compared with ammonia, of using an 'advanced', high basicity, low volatility amines to raise the liquid phase pH(T) in the moisture separator and other areas swept by wet steam. Since the 1995, this technique has been successfully applied to a number of power plants and the computer model has been progressively developed. This paper describes the preliminary results of an ongoing assessment being carried out for the VVER 440 plants at Bohunice. The work for Bohunice is being funded by the 'Know How Fund', a department in the British Government's Foreign and Commonwealth Office. (J.P.N.)

  13. Gastric Lymphoma with Secondary Trigeminal Nerve Lymphoma: A Case Report

    Directory of Open Access Journals (Sweden)

    Warissara Rongthong

    2017-05-01

    Full Text Available Data supporting the role of radiotherapy in secondary trigeminal nerve lymphoma is scarce. Here, I report the case of 64-year-old Thai male diagnosed as gastric diffuse large B cell lymphoma with secondary trigeminal nerve lymphoma. He had previously received one cycle of cyclophosphamide, doxorubicin, vincristine, and prednisone (CHOP, followed by five cycles of rituximab plus CHOP (R-CHOP with intrathecal methotrexate (MTX and cytarabine (Ara-C. One month after the last cycle of R-CHOP, he developed a headache and numbness on the left side of his face. MRI revealed thickening of the left trigeminal nerve. He received one intrathecal injection of MTX and Ara-C, followed by systemic chemotherapy. After receiving intrathecal chemotherapy, his symptoms disappeared. Clinical response and MRI studies suggested secondary trigeminal nerve lymphoma. Two months later, our patient’s secondary trigeminal nerve lymphoma had progressed. Salvage whole brain irradiation (36 Gy with boost dose (50 Gy along the left trigeminal nerve was given. Unfortunately, our patient developed heart failure and expired during the radiotherapy session. In conclusion and specific to secondary central nervous system lymphoma (SCNSL, radiotherapy may benefit patients who fail to respond to systemic chemotherapy and palliative treatment. The results this report fail to support the role of radiotherapy in secondary trigeminal nerve lymphoma.

  14. Console Game-Based Pedagogy: A Study of Primary and Secondary Classroom Learning through Console Video Games

    Science.gov (United States)

    Groff, Jennifer S.; Howells, Cathrin; Cranmer, Sue

    2012-01-01

    The main focus of this research project was to identify the educational benefits of console game-based learning in primary and secondary schools. The project also sought to understand how the benefits of educational gaming could transfer to other settings. For this purpose, research was carried out in classrooms in Scotland to explore learning…

  15. Career Status of Secondary Principals in Small Schools in the Southwest.

    Science.gov (United States)

    Seifert, Edward H.

    1985-01-01

    A random sample of 559 secondary small school principals in Arkansas, Colorado, New Mexico, Oklahoma, and Texas revealed that 73 percent of the principals were actively seeking new positions or were leaving school administration. The findings have implications for selection procedures, salary/fringe benefit packages, principal autonomy, evaluation…

  16. Reviewing host proteins of Rhabdoviridae: possible leads for lesser studied viruses.

    Science.gov (United States)

    Guleria, A; Kiranmayi, M; Sreejith, R; Kumar, K; Sharma, S K; Gupta, S

    2011-12-01

    Rhabdoviridae, characterized by bullet-shaped viruses, is known for its diverse host range, which includes plants, arthropods, fishes and humans. Understanding the viral-host interactions of this family can prove beneficial in developing effective therapeutic strategies. The host proteins interacting with animal rhabdoviruses have been reviewed in this report. Several important host proteins commonly interacting with animal rhabdoviruses are being reported, some of which, interestingly, have molecular features, which can serve as potential antiviral targets. This review not only provides the generalized importance of the functions of animal rhabdovirus-associated host proteins for the first time but also compares them among the two most studied viruses, i.e. Rabies virus (RV) and Vesicular Stomatitis virus (VSV). The comparative data can be used for studying emerging viruses such as Chandipura virus (CHPV) and the lesser studied viruses such as Piry virus (PIRYV) and Isfahan virus (ISFV) of the Rhabdoviridae family.

  17. More Than Only Skin Deep: Appearance Self-Concept Predicts Most of Secondary School Students' Self-Esteem.

    Science.gov (United States)

    Baudson, Tanja G; Weber, Kira E; Freund, Philipp A

    2016-01-01

    One important goal of education is to develop students' self-esteem which, in turn, hinges on their self-concept in the academic, physical, and social domains. Prior studies have shown that physical self-concept accounts for most of the variation in self-esteem, with academic and social self-concepts playing a much lesser role. As pressure toward perfection seems to be increasing in education, appearance, and social relationships (three aspects that relate to crucial developmental tasks of adolescence), the goal of the present field study was to examine whether former findings still hold true in the light of the changing societal context. A sample of 2,950 students from a broad range of German secondary schools (47% girls, age 10-19 years) responded to a recently validated German-language questionnaire assessing multiple self-concept facets (Weber and Freund, 2016). We examined which self-concept aspects predict self-esteem best and whether the pattern is comparable across genders and achievement levels using latent regression analyses. Results show that self-concept of appearance is still by far the strongest predictor (total sample: B = 0.77, SE = 0.02, p educational schools. Other aspects play a much lesser role. The discussion explores why appearance is so neglected, compared to the more academic subjects, and what school can do to account for its vast importance for students' self-esteem.

  18. More Than Only Skin Deep: Appearance Self-Concept Predicts Most of Secondary School Students’ Self-Esteem

    Science.gov (United States)

    Baudson, Tanja G.; Weber, Kira E.; Freund, Philipp A.

    2016-01-01

    One important goal of education is to develop students’ self-esteem which, in turn, hinges on their self-concept in the academic, physical, and social domains. Prior studies have shown that physical self-concept accounts for most of the variation in self-esteem, with academic and social self-concepts playing a much lesser role. As pressure toward perfection seems to be increasing in education, appearance, and social relationships (three aspects that relate to crucial developmental tasks of adolescence), the goal of the present field study was to examine whether former findings still hold true in the light of the changing societal context. A sample of 2,950 students from a broad range of German secondary schools (47% girls, age 10–19 years) responded to a recently validated German-language questionnaire assessing multiple self-concept facets (Weber and Freund, 2016). We examined which self-concept aspects predict self-esteem best and whether the pattern is comparable across genders and achievement levels using latent regression analyses. Results show that self-concept of appearance is still by far the strongest predictor (total sample: B = 0.77, SE = 0.02, p educational schools. Other aspects play a much lesser role. The discussion explores why appearance is so neglected, compared to the more academic subjects, and what school can do to account for its vast importance for students’ self-esteem. PMID:27803681

  19. Unique structure and optics of the lesser eyes of the box jellyfish Tripedalia cystophora

    DEFF Research Database (Denmark)

    Garm, A; Andersson, F; Nilsson, Dan-E

    2008-01-01

    mere light meters. The slit eyes, comprising four cell types, are complex and highly asymmetric. They also hold a lens-like structure, but its optical power is minute. Optical modeling suggests spatial resolution, but only in one plane. These unique and intriguing traits support strong peripheral......The visual system of box jellyfish comprises a total of 24 eyes. These are of four types and each probably has a special function. To investigate this hypothesis the morphology and optics of the lesser eyes, the pit and slit eyes, were examined. The pit eyes hold one cell type only and are probably...

  20. Ancient xenocrystic zircon in young volcanic rocks of the southern Lesser Antilles island arc

    Science.gov (United States)

    Rojas-Agramonte, Yamirka; Williams, Ian S.; Arculus, Richard; Kröner, Alfred; García-Casco, Antonio; Lázaro, Concepción; Buhre, Stephan; Wong, Jean; Geng, Helen; Echeverría, Carlos Morales; Jeffries, Teresa; Xie, Hangqian; Mertz-Kraus, Regina

    2017-10-01

    The Lesser Antilles arc is one of the best global examples in which to examine the effects of the involvement of subducted sediment and crustal assimilation in the generation of arc crust. Most of the zircon recovered in our study of igneous and volcaniclastic rocks from Grenada and Carriacou (part of the Grenadines chain) is younger than 2 Ma. Within some late Paleogene to Neogene ( 34-0.2 Ma) lavas and volcaniclastic sediments however, there are Paleozoic to Paleoarchean ( 250-3469 Ma) xenocrysts, and Late Jurassic to Precambrian zircon ( 158-2667 Ma) are found in beach and river sands. The trace element characteristics of zircon clearly differentiate between different types of magmas generated in the southern Lesser Antilles through time. The zircon population from the younger arc (Miocene, 22-19 Ma, to Present) has minor negative Eu anomalies, well-defined positive Ce anomalies, and a marked enrichment in heavy rare earth elements (HREE), consistent with crystallization from very oxidized magmas in which Eu2 + was in low abundance. In contrast, zircon from the older arc (Eocene to mid-Oligocene, 30-28 Ma) has two different REE patterns: 1) slight enrichment in the light (L)REE, small to absent Ce anomalies, and negative Eu anomalies and 2) enriched High (H)REE, positive Ce anomalies and negative Eu anomalies (a similar pattern is observed in the xenocrystic zircon population). The combination of positive Ce and negative Eu anomalies in the zircon population of the older arc indicates crystallization from magmas that were variably, but considerably less oxidized than those of the younger arc. All the igneous zircon has positive εHf(t), reflecting derivation from a predominantly juvenile mantle source. However, the εHf(t) values vary significantly within samples, reflecting considerable Hf isotopic heterogeneity in the source. The presence of xenocrystic zircon in the southern Lesser Antilles is evidence for the assimilation of intra-arc crustal sediments and

  1. Gauging Perceived Benefits from ‘Working from Home’ as a Job Benefit

    Directory of Open Access Journals (Sweden)

    Nicole Farideh Church

    2015-11-01

    Full Text Available This paper covers working from home as an employee benefit and looks to gauge the advantages and disadvantages for both employees and employers. The focus is on employees that work from home on behalf of an employer, not self-employed individuals. The article reviews secondary research on working from home. The primary research included in this paper was conducted via anonymous online surveys. Respondents were assured of anonymity, and ranged in their functional roles. The survey included ranking questions, as well as freeform short answer questions. This primary research is not positioned to be statistically representative of all employees and employers. This primary research does reflect a gauge on perspectives on working from home as a job benefit. Ultimately the results suggest that employees hold a very positive perspective on working from home, however, more can be done to help ensure perceptions on workplace promotional opportunities remain consistent for employees that work in an office or for home. Research also suggests that the greatest challenge for managers remains a lack of trust in results from employees they cannot physically see in the same location. Managers will find driving their employees’ performance through clearly defined metrics which will improve the trust.

  2. Social-Ecological Thresholds in a Changing Boreal Landscape: Insights from Cree Knowledge of the Lesser Slave Lake Region of Alberta, Canada

    Directory of Open Access Journals (Sweden)

    Brenda L. Parlee

    2012-06-01

    Full Text Available Drawing on the traditional ecological knowledge (TEK of the Lesser Slave Lake Cree, this paper shares understanding of how resource development has affected water, fish, forests, and wildlife as well as the well-being of Cree communities in the Lesser Slave Lake region of Alberta, Canada. In addition to descriptive observations of change, the narratives point to social-ecological thresholds or tipping points in the relationship of Cree harvesters to local lands and resources. Specifically, the study speaks to the echoing effects of ecological loss and degradation on traditional livelihood practices over the last 100 years highlighting the complexity of cumulative effects as well as the challenges of balancing resource development in the region with alternative land uses including those valued by Alberta's Aboriginal peoples.

  3. Geodynamics and Stress State of the Earth's Crust in the Greater and Lesser Caucasus (Azerbaijan) collision region

    Science.gov (United States)

    Babayev, Gulam; Akhmedova, Elnare; Babayev, Elvin

    2017-04-01

    The current study researches the present-day stress state of the Earth's crust within the territory of Azerbaijan by using the database of the international research project "World Stress Map" (WSM). The present stress state was also assessed by exploring the effects of the contemporary topographic properties of Caucasus in three-dimensional frame. Aiming to explore the relative roles of regional tectonic conditions in the definition of stress state of Greater and Lesser Caucasus, stress distribution model was developed by the earthquake data (1998-2016) and by the standard techniques of stress field calculation. The results show that the stress orientations are influenced also by the combination of topography and crust thickness distribution even at very large depth. Stress data and earthquake focal mechanisms indicate that the stress state of the Earth's crust of the Greater and Lesser Caucasus is characterized by the compression predominantly oriented across the regional strike. The model results suggest that the Lesser Caucasus and Kur depression are rotating coherently, with little or no internal deformation in a counter-clockwise rotation located near the north-eastern corner of the Black Sea. Orientation of stress axes well consistent with earthquake focal mechanisms revealed that within Upper and Lower Crusts, earthquakes are predominantly thrust-faulting with a number of normal-faulting and some strike-slip faulting. The map of the focal mechanisms and stress distribution suggests that the research area is characterized by the thrust of horizontal compression trending north-north-east in the western part of the southern Caucasus. In the western part of Azerbaijan, the compression takes place between the Main Caucasus Fault and the Kur depression, which strikes south along the northern margin of the mountain range. In addition, a clear transition from the left-lateral strike slip to the predominantly right-lateral strike slip is observed in the southern of

  4. School/Business Partnerships: We Expanded the Idea into a Mutual-Benefit Plan.

    Science.gov (United States)

    Cameron, S. L.

    1987-01-01

    Describes a "mutual benefit" arrangement that expanded the school-business partnership model. Westfall Secondary School and an industrial operation in Owen Sound Ontario, Canada, linked their strengths and needs to offer students actual work and project experiences and to give the company useful information, services, and adult basic…

  5. Teacher Performance Evaluation: A Stressful Experience from a Private Secondary School

    Science.gov (United States)

    Collins, Ayse Bas

    2004-01-01

    The study examines aspects of centralized and school-based supervision (SBS) as carried out at a private secondary school. Data were gathered from administrators, teachers and students through interviews, critical incidents and pertinent documentation. The study points out that a combination of the two supervision systems offers benefits that a…

  6. Nanotechnology and Secondary Science Teacher's Self-Efficacy

    Science.gov (United States)

    Cox, Elena K.

    The recommendations of the United States President's Council of Advisors on Science and Technology and the multi-agency National Nanotechnology Initiative (NNI) identified the need to prepare the workforce and specialists in the field of nanotechnology in order for the United States to continue to compete in the global marketplace. There is a lack of research reported in recent literature on the readiness of secondary science teachers to introduce higher level sciences---specifically nanotechnology---in their classes. The central research question of this study examined secondary science teachers' beliefs about teaching nanotechnology comfortably, effectively, and successfully. Bandura's self-efficacy theory provided the conceptual framework for this phenomenological study. A data analysis rubric was used to identify themes and patterns that emerged from detailed descriptions during in-depth interviews with 15 secondary science teachers. The analysis revealed the shared, lived experiences of teachers and their beliefs about their effectiveness and comfort in teaching higher-level sciences, specifically nanotechnology. The results of the study indicated that, with rare exceptions, secondary science teachers do not feel comfortable or effective, nor do they believe they have adequate training to teach nanotechnology concepts to their students. These teachers believed they were not prepared or trained in incorporating these higher level science concepts in the curriculum. Secondary science teachers' self-efficacy and personal beliefs of effectiveness in teaching nanotechnology can be an important component in achieving a positive social change by helping to familiarize high school students with nanotechnology and how it can benefit society and the future of science.

  7. Holocaust Studies in Austrian Elementary and Secondary Schools

    Directory of Open Access Journals (Sweden)

    Philipp Mittnik

    2016-09-01

    Full Text Available This article presents arguments in support of teaching about the Holocaust and Nazism in Austria at an early age. To accomplish this, Austrian and German elementary school textbooks were analyzed for the amount of content dealing with the Holocaust and Jews; the results showed that since 1980 the amount of content on the Holocaust increased in Germany, and to a lesser extent in Austria. The article reviews some of the criticism in Europe of the term Holocaust Education and explores some of arguments about why that is. The author argues that moral education and teaching of Human Rights are important components of, but ought not be the main goal of teaching about the Holocaust. The role of Austria after World War II, and exploration of the so called victim myth, prevalent until the 1990s are important to understanding history and to how history textbooks were created. After a discussion of how the Holocaust can be taught to elementary and early secondary school aged children, some suggestions are made about approaches to teaching the Holocaust to students in these age groups.

  8. Evaluation of all-electric secondary power for transport aircraft

    Science.gov (United States)

    Murray, W. E.; Feiner, L. J.; Flores, R. R.

    1992-01-01

    This report covers a study by Douglas Aircraft Company (DAC) of electrical power systems for advanced transport aircraft based upon an all-electric design concept. The concept would eliminate distributed hydraulic and pneumatic secondary power systems, and feature an expanded secondary electrical power system redesigned to supply power to the loads customarily supplied by hydraulic or pneumatic power. The initial study was based on an advanced 20-kHz electrical power transmission and distribution system, using a system architecture supplied by NASA-Lewis Research Center for twin-engine aircraft with many advanced power conversion concepts. NASA-LeRC later requested DAC to refocus the study on 400-Hz secondary power distribution. Subsequent work was based on a three-engine MD-11 aircraft, selected by DAC as a baseline system design that would provide data for the comparative cost/benefit analysis. The study concluded that the 20-kHz concept produced many expected benefits, and that the all-electric trijet weight savings on hardware redesign would be 2,304 pounds plus a 2.1-percent fuel reduction and resized for a total weight reduction of 11,000 pounds. Cost reductions for a fleet of 800 aircraft in a 15-year production program were estimated at $76.71 million for RDT&E; $2.74 million per aircrat for production; $9.84 million for nonrecurring expenses; $120,000 per aircraft for product support; and $300,000 per aircraft per year for operating and maintenance costs, giving a present value of $1.914 billion saved or a future value of $10.496 billion saved.

  9. Exploring the Use of Audience Response Systems in Secondary School Science Classrooms

    Science.gov (United States)

    Kay, Robin; Knaack, Liesel

    2009-10-01

    An audience response systems (ARS) allows students to respond to multiple choice questions using remote control devices. Once the feedback is collected and displayed, the teacher and students discuss misconceptions and difficulties experienced. ARSs have been extremely popular and effective in higher education science classrooms, although almost no research has been done at the secondary school level. The purpose of this study was to conduct a detailed formative analysis of the benefits, challenges, and use of ARSs from the perspective of 213 secondary school science students. Perceived benefits were increased student involvement (engagement, participation, and attention) and effective formative assessment of student understanding. Perceived challenges included decreased student involvement and learning when ARSs were used for summative assessment, occasional technological malfunctions, resistance to using a new method of learning, and increased stress due to time constraints when responding to questions. Finally, students rated the use of ARSs significantly higher when it was used for formative as opposed to summative assessment.

  10. Reforesting severely degraded grassland in the Lesser Himalaya of Central Nepal: effects on soil hydraulic conductivity and overland flow production

    NARCIS (Netherlands)

    Ghimire, C.P.; Bonell, M.; Bruijnzeel, L.A.; Coles, N.A.; Lubczynski, M.W.

    2013-01-01

    Severely degraded hillslopes in the Lesser Himalaya challenge local communities as a result of the frequent occurrence of overland flow and erosion during the rainy season and water shortages during the dry season. Reforestation is often perceived as an effective way of restoring predisturbance

  11. The impact of warming and nutrients on algae production and microcystins in seston from the iconic lake lesser Prespa, Greece

    NARCIS (Netherlands)

    Maliaka, Valentini; Faassen, Elisabeth J.; Smolders, Alfons J.P.; Lürling, Miquel

    2018-01-01

    Lake Lesser Prespa and its adjacent pond, Vromolimni in Greece, is a shallow freshwater system and a highly protected area hosting an exceptional biodiversity. The occurrence of microcystins (MCs) producing cyanobacterial blooms in these waters during recent years can be harmful to the wildlife. We

  12. Do Zircon age Spectra Record Magmatic Cyclicity at Soufrière (Saint Lucia, Lesser Antilles)?

    Science.gov (United States)

    Schmitt, A. K.; Stockli, D. F.; Lindsay, J. M.

    2007-12-01

    The Soufrière Volcanic Center (Saint Lucia, Lesser Antilles) is a long-lived arc-volcanic system that evolved over the past 5 - 6 Ma. Its most recent volcanic activity between 20 and 40 ka was concentrated within the prominent Qualibou topographic depression and produced two voluminous pyroclastic deposits: Choiseul and the overlying Belfond. In addition, several dacitic lava domes exist within the Qualibou depression. Because evidence of earlier volcanic activity in long-lived magma systems is frequently obliterated by subsequent eruptive or volcano-tectonic events, high spatial resolution U-Th dating of zircon combined with (U-Th)/He dating is a powerful tool to identify magma crystallization episodes at depth and to link these to the eruptive record. U-Th model ages and disequilibrium corrected U-Pb ages for 56 individual zircons from Soufrière lavas (Morne Bonin, Belfond, Terre Blanche) and pumice (Choiseul, Belfond) were determined by secondary ionization mass spectrometry. The majority of results is on unpolished zircons where analysis pits integrate over the outermost ~10 μm of individual grains with a lateral spatial resolution of ~40 μm. Selected grains were subsequently analyzed by (U-Th)/He methods. Belfond and Terre Blanche (U-Th)/He zircon ages (~20 ka) agree with previous 14C charcoal ages, whereas Morne Bonin ages are much older (~250 ka). Overall, the U-Th zircon crystallization age spectrum reveals a remarkable range between ~20 and ~600 ka and displays multiple peaks, among which the most prominent are tentatively identified at ~40 ka, ~80 ka, ~130 ka, ~200 ka and ~500 ka. The distribution of rim ages indicates that most zircons lack overgrowth dating from just prior to the eruption, but the youngest ages for each sample overlap with the eruption ages. Soufrière zircons thus reveal magma intrusion, cooling, and crystallization cycles within the underlying plutonic system for which the volcanic stratigraphic record is sketchy.

  13. Relay-Assisted Primary and Secondary Transmissions in Cognitive Radio Networks

    KAUST Repository

    Shafie, Ahmed El

    2016-09-27

    We assume a set of cognitive relay nodes that assists both primary and secondary transmissions in a time-slotted cognitive radio networks. To regulate the channel access of the various nodes in the network, we propose an overlapped spectrum sensing strategy for channel sensing, where the secondary source node senses the channel from the beginning of the time slot and the cognitive relay nodes sense the channel for double the sensing time used by the secondary source node to detect the activities of both the primary and secondary source nodes. Hence, the secondary source node has an intrinsic priority over the relay nodes. The relay nodes help both the primary user and the secondary user to deliver their unsuccessfully decoded packets at their destinations. In a given time slot, the scheduled relay node for data transmission starts its transmission when both the primary and secondary users are sensed to be inactive (i.e. have no data to transmit). We propose two optimization-based formulations with quality-of-service (QoS) constraints involving average queueing delay and average service rate requirements. We investigate both cases of perfect and imperfect spectrum sensing. To further enhance the users\\' QoS requirements, we propose three packet decoding strategies at the relay nodes and compare their performance. We derive an upper bound on the secondary queue average service rate to determine which decoding strategy can achieve that bound. Our numerical results show the benefits of relaying and its ability to enhance the performance of both the primary and secondary users. Moreover, the performance of the proposed schemes is close to the derived upper bound.

  14. Inhibition of Colon Carcinoma Cell Migration Following Treatment with Purified Venom from Lesser Weever Fish (Trachinus Vipera

    Directory of Open Access Journals (Sweden)

    Myriam Fezai

    2017-04-01

    Full Text Available Background: Injury by the sting of Lesser weever fish (Trachinus vipera may lead to severe pain, edema or tissue necrosis. Cellular effects of the venom are still incompletely understood. Previous observations revealed that purified Lesser weever fish venom (LWFV induces suicidal death of erythrocytes and HCT116 human colon carcinoma cells. The present study addressed the effect of the venom on colon carcinoma cell toxicity, shape and migration both in p53+/+ and/or p53-/- conditions. Methods: Cells were exposed to medium without or with 500 µg/ ml LWFV. Cell shape, cell area and circularity were visualized and quantified by fluorescence microscopy. Cell volume, granularity and cells toxicity were assessed via the apoptotic parameters dissipation of mitochondrial inner transmembrane potential, phosphatidylserine surface exposure and cell membrane permeabilization were measured utilizing flow cytometry. Cell migration was evaluated using wound healing assay and two-dimensional migration assay. Results: LWFV treatment was followed by a marked change of cell shape and size, significant decrease of cell area and circularity, significant impairment of cell migration, as well as induction of apoptosis after long exposition. Conclusions: LWFV exposure leads to cell shrinkage, increased granularity, apoptosis and impairment of cell migration, effects presumably contributing to LWFV-induced tissue injury.

  15. Two cases of fatal necrosis of the lesser pelvis in patients treated with combined radiotherapy and hyperthermia for cervical carcinoma

    NARCIS (Netherlands)

    Wiggenraad, R.; Koning, C.; Westermann, C.; Jansen, C.; van der Zee, J.

    2005-01-01

    This study reports two cases of fatal necrosis of the lesser pelvis in patients with advanced cervical carcinoma, who had received combined radiotherapy and hyperthermia. The necrosis reached far from the high dose area, in one of the cases even outside the radiation portals. Both patients initially

  16. Technology Use as a Support Tool by Secondary Students with Autism

    Science.gov (United States)

    Hedges, Susan H.; Odom, Samuel L.; Hume, Kara; Sam, Ann

    2018-01-01

    The purpose of this study was to examine how secondary students with autism spectrum disorder use technology in supportive ways. In this self-report survey study, 472 adolescents with autism spectrum disorder enrolled in high school described the forms of technology they use and purposes for which they use it. Students reported the benefits as…

  17. Issues in assessing the economic benefits of ambient ozone control: some examples from agriculture

    Energy Technology Data Exchange (ETDEWEB)

    Adams, R.M.

    1983-01-01

    Information on the economic benefits arising from alternative secondary National Ambient Air Quality Standards can provide one measure of regulatory efficiency. If benefits assessments are to be used in assessing regulatory impacts of federal standards as recently ordered by President Ronald Reagan, the economic concept of benefits, the limitations of benefits analysis, and the validity of those estimates needs to be clarified. Some methodological and applied issues which can effect the validity of environmental economic assessments as they pertain to agriculture are reviewed. Recent studies from the assessment literature on agriculture are critiqued with respect to how well they address such issues. An attempt is made to identify potential sources of variability in estimates found within that literature. Finally, implications for performance of future assessments are discussed.

  18. Benefits of aerobic exercise after stroke.

    Science.gov (United States)

    Potempa, K; Braun, L T; Tinknell, T; Popovich, J

    1996-05-01

    The debilitating loss of function after a stroke has both primary and secondary effects on sensorimotor function. Primary effects include paresis, paralysis, spasticity, and sensory-perceptual dysfunction due to upper motor neuron damage. Secondary effects, contractures and disuse muscle atrophy, are also debilitating. This paper presents theoretical and empirical benefits of aerobic exercise after stroke, issues relevant to measuring peak capacity, exercise training protocols, and the clinical use of aerobic exercise in this patient population. A stroke, and resulting hemiparesis, produces physiological changes in muscle fibres and muscle metabolism during exercise. These changes, along with comorbid cardiovascular disease, must be considered when exercising stroke patients. While few studies have measured peak exercise capacity in hemiparetic populations, it has been consistently observed in these studies that stroke patients have a lower functional capacity than healthy populations. Hemiparetic patients have low peak exercise responses probably due to a reduced number of motor units available for recruitment during dynamic exercise, the reduced oxidative capacity of paretic muscle, and decreased overall endurance. Consequently, traditional methods to predict aerobic capacity are not appropriate for use with stroke patients. Endurance exercise training is increasingly recognised as an important component in rehabilitation. An average improvement in maximal oxygen consumption (VO2max) of 13.3% in stroke patients who participated in a 10-week aerobic exercise training programme has been reported compared with controls. This study underscored the potential benefits of aerobic exercise training in stroke patients. In this paper, advantages and disadvantages of exercise modalities are discussed in relation to stroke patients. Recommendations are presented to maximise physical performance and minimise potential cardiac risks during exercise.

  19. Alberta benefits : economic impacts of northern gas pipeline construction

    International Nuclear Information System (INIS)

    Rylska, N.L.; Graebeiel, J.E.; Mirus, R.K.; Janzen, S.S.; Frost, R.J.

    2003-11-01

    This paper describes the potential economic impact and benefits to Alberta from the proposed development of the Alaska Highway Pipeline (AHP) and the Mackenzie Valley Pipeline (MVP). It also includes a planning framework for business and industry in the province. Each proposed pipeline was evaluated separately. The paper includes a list of Alberta companies that stand to benefit from the construction of one or both pipelines. The main findings indicate that northern pipeline development will bring opportunities to Alberta business in design, construction and management. There will be a secondary impact on petrochemical industries and infrastructure. Both pipeline developments will increase employment and yield billions of dollars in gross domestic product. The existing oil and gas industry in Alberta will receive value-added opportunities in areas of specialized expertise such as natural gas and natural gas liquid storage, natural gas liquid processing, and gas to liquid technology projects. The industry will also benefit from power generation and cogeneration. The northern pipelines have the potential to improve the role of First Nations in economic development. Gas consumers in Alberta should benefit from a secure supply of gas and lower prices. refs., tabs., figs

  20. Melaleuca alternifolia Essential Oil against the Lesser Mealworm (Alphitobius diaperinus and Its Possible Effect on the Soil Fauna

    Directory of Open Access Journals (Sweden)

    A Volpato

    2016-03-01

    Full Text Available ABSTRACT The aim of this study was to evaluate the in vitro bioactivity of tea tree (Melaleuca alternifolia essential oil against larvae and adult forms of lesser mealworms (Alphitobius diaperinus and its influence on the soil fauna. Tests were performed in triplicate using pure tea tree oil (TTO; 1, 5, 10, 25, 50, and 100%, TTO nanoparticles (1, 3, and 7.5%, or terpinen-4-ol, the main compound of the tea tree oil, at the same concentrations of TTO. Larvae and adult mortality occurred at concentrations up to 10 and 50% of TTO, respectively. No larvicidal or insecticidal effect of TTO nanoparticles was observed. Terpinen-4-ol showed insecticidal and larvicidal effect at concentrations higher than 25%. The evaluation of TTO effect on soil organisms was performed by standard ecotoxicological tests (ISO with the springtail species Folsomia candida. Only TTO was used for ecotoxicological tests in doses of 1, 5, 10, 25, 50, and 100 mg kg-1 of soil. TTO had no negative effects on F. candida survival or reproduction. Therefore, it was concluded that M. alternifolia oil may be a new alternative for control of the lesser mealworm.

  1. GPS tracking data of Lesser Black-backed Gulls and Herring Gulls breeding at the southern North Sea coast.

    Science.gov (United States)

    Stienen, Eric W M; Desmet, Peter; Aelterman, Bart; Courtens, Wouter; Feys, Simon; Vanermen, Nicolas; Verstraete, Hilbran; de Walle, Marc Van; Deneudt, Klaas; Hernandez, Francisco; Houthoofdt, Robin; Vanhoorne, Bart; Bouten, Willem; Buijs, Roland-Jan; Kavelaars, Marwa M; Müller, Wendt; Herman, David; Matheve, Hans; Sotillo, Alejandro; Lens, Luc

    2016-01-01

    In this data paper, Bird tracking - GPS tracking of Lesser Black-backed Gulls and Herring Gulls breeding at the southern North Sea coast is described, a species occurrence dataset published by the Research Institute for Nature and Forest (INBO). The dataset (version 5.5) contains close to 2.5 million occurrences, recorded by 101 GPS trackers mounted on 75 Lesser Black-backed Gulls and 26 Herring Gulls breeding at the Belgian and Dutch coast. The trackers were developed by the University of Amsterdam Bird Tracking System (UvA-BiTS, http://www.uva-bits.nl). These automatically record and transmit bird movements, which allows us and others to study their habitat use and migration behaviour in great detail. Our bird tracking network is operational since 2013. It is funded for LifeWatch by the Hercules Foundation and maintained in collaboration with UvA-BiTS and the Flanders Marine Institute (VLIZ). The recorded data are periodically released in bulk as open data (http://dataset.inbo.be/bird-tracking-gull-occurrences), and are also accessible through CartoDB and the Global Biodiversity Information Facility (GBIF).

  2. New Geochronology and Radiometric Age Dates Improve the Definition and Continuity of Accreted Tectonic Terranes of Northern Venezuela and the Lesser Antilles

    Science.gov (United States)

    Baquero, M.; Mann, P.; Audemard, F. A.

    2017-12-01

    We use new and compiled geochronology and radiometric dates from the area of Venezuela to Tobago to define the following crustal provinces: 1) Guyana shield forms a sub-circular area of Pan-African rocks against which all younger terranes have collided and partially assumed its rounded shape: ages for the Guyana Shield range from >3.4 Ga to 1.8 Ga; 2) accreted Paleozoic rocks form a sub-circular, largely buried province that surround the Guiana Shield to the north and west; the El Pilar strike-slip fault forms the abrupt, northern limit of the Precambrian-Paleozoic craton in Venezuela characterized by crustal thicknesses of 40-50 km; 3) the Early to Late Cretaceous Great Arc of the Caribbean forms a continuous basement high that can be traced from northern Colombia, through the ABC Islands to La Blanquilla Island, and north along the Aves Ridge to the Greater Antilles; ages of the GAC generally are in the range of Late Cretaceous to early Eocene and have geochemistry consistent with intra-oceanic island arcs or oceanic plateau rocks with the exception of La Orchila Island with a Paleozoic intrusive age; the GAC collided from west to east with the passive margin of South America from Paleocene in western Venezuela to Plio-Pleistocene in the Trinidad area and marks the west to east passage of the Caribbean plate past the South American plate; 4) a post-GAC rifting event affected the GAC-South America suture from late Eocene to middle Miocene time in the Falcón Basin of western Venezuela with ages on intrusive and volcanic from 34 to 15.4 Ma; these ages are coeval with intrusive ages from the southernmost Lesser Antilles on Los Frailes and Los Testigos Islands and range from 35.7±2.6 to 36.4±0.5 Ma; the age of the intervening basin, the Bonaire basin, is poorly known but may be coeval with the Oligocene-Miocene extension that extended the suture zone in western Venezuela and extended the Lesser Antilles arc in early Middle Miocene time to form the Lesser Antilles

  3. CA-125–indicated asymptomatic relapse confers survival benefit to ovarian cancer patients who underwent secondary cytoreduction surgery

    Directory of Open Access Journals (Sweden)

    Wang Fang

    2013-02-01

    Full Text Available Abstract Background There is no consensus regarding the management of ovarian cancer patients, who have shown complete clinical response (CCR to primary therapy and have rising cancer antigen CA-125 levels but have no symptoms of recurrent disease. The present study aims to determine whether follow-up CA-125 levels can be used to identify the need for imaging studies and secondary cytoreductive surgery (CRS. Methods We identified 410 ovarian cancer patients treated at The University of Texas MD Anderson Cancer Center between 1984 and 2011. These patients had shown CCR to primary therapy. Follow-up was conducted based on the surveillance protocol of the MD Anderson Cancer Center. We used the Cox proportional hazards model and log-rank test to assess the associations between the follow-up CA-125 levels and secondary CRS and survival duration. Results The CA-125 level of 1.68 × nadir was defined as the indicator of recurrent disease (p  1.68 × nadir at relapse (55.7 and 10.4 months; p = 0.04 and 0.01, respectively. The overall and progression free survival duration of patients with asymptomatic relapse and underwent a secondary CRS was longer than that of patients with symptomatic relapse (p = 0.02 and 0.04 respectively. Conclusions The increase of serum CA-125 levels is an early warning of clinical relapse in ovarian cancer. Using CA-125 levels in guiding the treatment of patients with asymptomatic recurrent ovarian cancer, who have shown CCR to primary therapy, can facilitate optimal secondary CRS and extend the survival duration of the patients.

  4. Main copper-porphyry systems of the Lesser Caucasus

    International Nuclear Information System (INIS)

    Melkonyan, R.L.; Tayan, P.N.; Goukassyan, R.Kh.; Hovakimyan, S.E.; Moritz, R.; Selbi, D.

    2013-01-01

    Two belts of porphyry-copper systems were identified the Late Jurassic Early Cretaceous Somkheto-Karabakh (S-K) island-arc belt within the same name terrain of the southern termination of the Eurasian Plate stretching for 230 km (the tonalitic model) and the Early Miocene Tsaghkounk-Zanghezour (Ts-Z) post-collision belt (Tz-Z) within the same name terrain of the northern margin of the Gondwana, stretching over 280 km (the monzonite-granodiorite model). The formation of the S-K and Ts-Z belts had proceeded in pulses and spanned intervals of 12 million years and 24 million years, respectively. The Rb-Sr isochrones and TIMS U-Pb estimations of the age of zircons from the Meghri pluton ( 1,500 km 2 ), the largest one in the Lesser Caucasus, it appeared possible to establish the three stages of its formation: the Late Eocene, Early Oligocene, and Early Miocene, each accompanied by development of deposits having similar ages. The PC deposits of the S-K and Ts-Z belts have distinct differences of age, geodynamic regime of formation, specificity of mineral composition, sources of water and sulfur of hydrothermal solutions, and formation models. The single, discrete Armenian-Iranian belt of PC deposits was identified; it has a Late Eocene-Middle Miocene age and a length of about 2,000 km, being related with intrusive complexes of the monzonite-granite-granodiorite series, the activity of which had been manifesting itself over 32 million years. This belt, including giant-deposits such as Kajaran and Sar-Cheshmeh, was identified as the special Armenian-Iranian PC province

  5. The secondary forests of tropical America, Perspectives for their sustainable handling

    International Nuclear Information System (INIS)

    De las salas, Gonzalo

    2000-01-01

    The paper treats about of the enormous benefits of the secondary forests as producer of goods and services, among these they stand out the following ones: Reservoir of organic and nutritious matter, regulation of the hydric flows, maintenance of the biodiversity; drains of carbon, genes reservoir and fruits source, nutritious and medicinal plants, wood and fuel

  6. Lifetime distributional effects of Social Security retirement benefits.

    Science.gov (United States)

    Smith, Karen; Toder, Eric; Iams, Howard

    This article presents three measures of the distribution of actual and projected net benefits (benefits minus payroll taxes) from Social Security's Old-Age and Survivors Insurance (OASI) for people born between 1931 and 1960. The results are based on simulations with the Social Security Administration's Model of Income in the Near Term (MINT), which projects retirement income through 2020. The base sample for MINT is the U.S. Census Bureau's Survey of Income and Program Participation panels for 1990 to 1993, matched with Social Security administrative records. The study population is grouped into 5-year birth cohorts and then ranked by economic status in three ways. First, the population is divided into five groups on the basis of individual lifetime covered earnings, and their lifetime present values of OASI benefits received and payroll taxes paid are calculated. By this measure, OASI provides much higher benefits to the lowest quintile of earners than to other groups, but it becomes less redistributive toward lower earners in more recent birth cohorts. Second, people are ranked by shared lifetime covered earnings, and the values of shared benefits received and payroll taxes paid are computed. Individuals are assumed to split covered earnings, benefits, and payroll taxes with their spouses in the years they are married. By the shared covered earnings measure, OASI is still much more favorable to persons in the lower income quintiles, although to a lesser degree than when people are ranked by individual covered earnings. OASI becomes more progressive among recent cohorts, even as net lifetime benefits decline for the entire population. Finally, individuals are ranked on the basis of their shared permanent income from age 62, when they become eligible for early retirement benefits, until death. Their annual Social Security benefits are compared with the benefits they would have received if they had saved their payroll taxes in individual accounts and used the

  7. Secondary Hypertension

    Science.gov (United States)

    Secondary hypertension Overview Secondary hypertension (secondary high blood pressure) is high blood pressure that's caused by another medical condition. Secondary hypertension can be caused by conditions that affect your kidneys, ...

  8. Diagenesis in tephra-rich sediments from the Lesser Antilles Volcanic Arc: Pore fluid constraints

    Science.gov (United States)

    Murray, Natalie A.; McManus, James; Palmer, Martin R.; Haley, Brian; Manners, Hayley

    2018-05-01

    We present sediment pore fluid and sediment solid phase results obtained during IODP Expedition 340 from seven sites located within the Grenada Basin of the southern Lesser Antilles Volcanic Arc region. These sites are generally characterized as being low in organic carbon content and rich in calcium carbonate and volcanogenic material. In addition to the typical reactions related to organic matter diagenesis, pore fluid chemistry indicates that the diagenetic reactions fall within two broad categories; (1) reactions related to chemical exchange with volcanogenic material and (2) reactions related to carbonate dissolution, precipitation, or recrystallization. For locations dominated by reaction with volcanogenic material, these sites exhibit increases in dissolved Ca with coeval decreases in Mg. We interpret this behavior as being driven by sediment-water exchange reactions from the alteration of volcanic material that is dispersed throughout the sediment package, which likely result in formation of Mg-rich secondary authigenic clays. In contrast to this behavior, sediment sequences that exhibit decreases in Ca, Mg, Mn, and Sr with depth suggest that carbonate precipitation is an active diagenetic process affecting solute distributions. The distributions of pore fluid 87Sr/86Sr reflect these competitive diagenetic reactions between volcanic material and carbonate, which are inferred by the major cation distributions. From one site where we have solid phase 87Sr/86Sr (site U1396), the carbonate fraction is found to be generally consistent with the contemporaneous seawater isotope values. However, the 87Sr/86Sr of the non-carbonate fraction ranges from 0.7074 to 0.7052, and these values likely represent a mixture of local arc volcanic sources and trans-Atlantic eolian sources. Even at this site where there is clear evidence for diagenesis of volcanogenic material, carbonate diagenesis appears to buffer pore fluid 87Sr/86Sr from the larger changes that might be

  9. Evaluating Junior Secondary Science Textbook Usage in Australian Schools

    Science.gov (United States)

    McDonald, Christine V.

    2016-08-01

    A large body of research has drawn attention to the importance of providing engaging learning experiences in junior secondary science classes, in an attempt to attract more students into post-compulsory science courses. The reality of time and resource constraints, and the high proportion of non-specialist science teachers teaching science, has resulted in an overreliance on more transmissive pedagogical tools, such as textbooks. This study sought to evaluate the usage of junior secondary science textbooks in Australian schools. Data were collected via surveys from 486 schools teaching junior secondary (years 7-10), representing all Australian states and territories. Results indicated that most Australian schools use a science textbook in the junior secondary years, and textbooks are used in the majority of science lessons. The most highly cited reason influencing choice of textbook was layout/colour/illustrations, and electronic technologies were found to be the dominant curricula material utilised, in addition to textbooks, in junior secondary science classes. Interestingly, the majority of respondents expressed high levels of satisfaction with their textbooks, although many were keen to stress the subsidiary role of textbooks in the classroom, emphasising the textbook was `one' component of their teaching repertoire. Importantly, respondents were also keen to stress the benefits of textbooks in supporting substitute teachers, beginning teachers, and non-specialist science teachers; in addition to facilitating continuity of programming and staff support in schools with high staff turnover. Implications from this study highlight the need for high quality textbooks to support teaching and learning in Australian junior secondary science classes.

  10. Cost-benefit evaluation of containment related engineered safety features of Indian pressurized heavy water reactors

    International Nuclear Information System (INIS)

    Bajaj, S.S.; Bhawal, R.N.; Rustagi, R.S.

    1984-01-01

    The typical containment system for a commercial nuclear reactor uses several engineered safety features to achieve its objective of limiting the release of radioactive fission products to the environment in the event of postulated accident conditions. The design of containment systems and associated features for Indian Pressurized Heavy Water Reactors (PHWRs) has undergone progressive improvement in successive projects. In particular, the current design adopted for the Narora Atomic Power Project (NAPP) has seen several notable improvements. The paper reports on a cost-benefit study in respect of three containment related engineered safety features and subsystems of NAPP, viz. (i) secondary containment envelope, (ii) primary containment filtration and pump-back system, and (iii) secondary containment filtration, recirculation and purge system. The effect of each of these systems in reducing the environmental releases of radioactivity following a design basis accident is presented. The corresponding reduction in population exposure and the associated monetary value of this reduction in exposure are also given. The costs of the features and subsystem under consideration are then compared with the monetary value of the exposures saved, as well as other non-quantified benefits, to arrive at conclusions regarding the usefulness of each subsystem. This study clearly establishes for the secondary containment envelope the benefit in terms of reduction in public exposure giving a quantitative justification for the costs involved. In the case of the other two subsystems, which involve relatively low costs, while all benefits have not been quantified, their desirability is justified on qualitative considerations. It is concluded that the engineered safety features adopted in the current containment system design of Indian PHWRs contribute to reducing radiation exposures during accident conditions in accordance with the ALARA ('as low as reasonably achievable') principle

  11. More Than Only Skin Deep: Appearance Self-Concept Predicts Most of Secondary School Students' Self-Esteem

    Directory of Open Access Journals (Sweden)

    Tanja Gabriele Baudson

    2016-10-01

    Full Text Available One important goal of education is to develop students' self-esteem which, in turn, hinges on their self-concept in the academic, physical, and social domains. Prior studies have shown that physical self-concept accounts for most of the variation in self-esteem, with academic and social self-concepts playing a much lesser role. As pressure towards perfection seems to be increasing in education, appearance, and social relationships (three aspects that relate to crucial developmental tasks of adolescence, the goal of the present field study was to examine whether former findings still hold true in the light of the changing societal context. A sample of 2,950 students from a broad range of German secondary schools (47% girls, age 10–19 years responded to a recently validated German-language questionnaire assessing multiple self-concept facets (Weber & Freund, 2016. We examined which self-concept aspects predict self-esteem best and whether the pattern is comparable across genders and achievement levels using latent regression analyses. Results show that self-concept of appearance is still by far the strongest predictor (total sample: B = 0.77, SE = 0.02, p < .01 and that this is especially the case for girls and students from special educational schools. Other aspects play a much lesser role. The discussion explores why appearance is so neglected, compared to the more academic subjects, and what school can do to account for its vast importance for students' self-esteem.

  12. Application of Persistent Scatterer Interferometry (PSI) in monitoring slope movements in Nainital, Uttarakhand Lesser Himalaya, India

    Science.gov (United States)

    Yhokha, Akano; Goswami, Pradeep K.; Chang, Chung-Pai; Yen, Jiun-Yee; Ching, Kuo-En; Aruche, K. Manini

    2018-02-01

    Orogenic movements and sub-tropical climate have rendered the slopes of the Himalayan region intensely deformed and weathered. As a result, the incidences of slope failure are quite common all along the Himalayan region. The Lesser Himalayan terrane is particularly vulnerable to mass-movements owing to geological fragility, and many parts of it are bearing a high-risk of associated disaster owing to the high population density. An important step towards mitigation of such disasters is the monitoring of slope movement. Towards this, the Persistent Scatterer Interferometry (PSI) technique can be applied. In the present study, the PSI technique is employed in Lesser Himalayan town of Nainital in Uttarakhand state of India to decipher and monitor slope movements. A total of 15 multi-date ENVISAT ASAR satellite images, acquired during August 2008 to August 2010 period, were subjected to PSI, which revealed a continuous creep movement along the hillslopes located towards the eastern side of the Nainital lake. The higher reaches of the hill seem to be experiencing accelerated creep of {˜ }21 mm/year, which decreases downslope to {˜ }5 mm/year. Based on spatial pattern of varying PSI Mean LOS Velocity (MLV) values, high (H), moderate (M), low (L) and very low (S) creeping zones have been delineated in the hillslopes. Given the long history of mass movements and continuously increasing anthropogenic activities in Nainital, these results call for immediate measures to avert any future disaster in the town.

  13. Testing competing hypotheses for chronology and intensity of lesser scaup molt during winter and spring migration

    Science.gov (United States)

    Anteau, Michael J.; Anteau, Andrea C.E.; Afton, Alan D.

    2011-01-01

    We examined chronology and intensity of molt and their relationships to nutrient reserves (lipid and protein) of Lesser Scaup (Aythya affinisK/i>) to test predictions of two competing hypotheses. The "staggered cost" hypothesis states that contour-feather molt is nutritionally costly and should not occur during nutritionally costly periods of the annual cycle unless adequate nutrients are available. The "breeding plumage" hypothesis states that prealternate molt must be complete prior to nesting, regardless of nutrient availability. Males and females were completing prebasic molt during winter (Louisiana) and had similar molt intensities. Females underwent prealternate molt during spring migration (Illinois and Minnesota) and prebreeding (Manitoba) periods; 53% and 93% of females were in moderate to heavy molt in Minnesota and Manitoba, respectively, despite experiencing other substantial nutritional costs. Intensity of prealternate molt was not correlated with lipid reserves even though females, on average, were nutritionally stressed. Molt intensity was not negatively correlated with protein reserves at any location. Chronology and intensity of prealternate molt varied little and were not temporally staggered from other nutritionally costly events. Prealternate molt did not influence nutrient reserves, and nutrient reserves likely were not the ultimate factor influencing chronology or intensity of prealternate molt of females. We surmise that nutrients required for prealternate molt come from exogenous sources and that the "staggered cost" hypothesis does not explain chronology of prealternate molt in female Lesser Scaup; rather, it appears that molt must be complete prior to nesting, consistent with the "breeding plumage" hypothesis.

  14. First amplification of Eimeria hessei DNA from the lesser horseshoe bat (Rhinolophus hipposideros) and its phylogenetic relationships with Eimeria species from other bats and rodents.

    Science.gov (United States)

    Afonso, Eve; Baurand, Pierre-Emmanuel; Tournant, Pierline; Capelli, Nicolas

    2014-04-01

    Although coccidian parasites of the genus Eimeria are among the best-documented parasites in bats, few Eimeria species found in bats have been characterised using molecular tools, and none of the characterised species are found in European countries. Phylogenetic relationships of Eimeria species that parasitise bats and rodents can be related to the morphology of oocysts, independently from host range, suggesting that these species are derived from common ancestors. In the present study, we isolated a partial sequence of the Eimeria hessei 18S rRNA gene from the lesser horseshoe bat (Rhinolophus hipposideros), a European bat species. Droppings from lesser horseshoe bats were collected from 11 maternity roosts located in France that were positive for the presence of the parasite. Through morphological characterisation, the oocysts detected in the lesser horseshoe bat droppings were confirmed to be E. hessei. The unique E. hessei sequence obtained through molecular analysis belonged to a clade that includes both rodent and bat Eimeria species. However, the E. hessei oocysts isolated from the bat droppings did not show morphological similarities to rodent Eimeria species. Copyright © 2014 Elsevier Inc. All rights reserved.

  15. Reproductive biology of lesser spotted dogfish Scyliorhinus canicula (L., 1758 in the Cantabrian Sea

    Directory of Open Access Journals (Sweden)

    C. Rodríguez-Cabello

    1998-09-01

    Full Text Available This paper examines sexual maturity of the female lesser spotted dogfish Scyliorhinus canicula (L., 1758 in the Cantabrian Sea (north of Spain. Analyses made using data collected from commercial trawlers during 1994 and 1995 showed that females reach sexual maturity at a length of 54.2 cm, and the mean egg-laying size is 56.4 ± 0.94 cm. At least one in six adult female dogfish carried egg-capsules during the study period. Sex-ratio by depth strata indicates a larger proportion of females in deeper waters. Mature and spawning females were found at depths ranging from 100 m to more than 400 m, with their proportion being larger in the deeper strata.

  16. Cost-effectiveness of increasing statin adherence for primary and secondary prevention in community pharmacies

    NARCIS (Netherlands)

    Vegter, S.; Oosterhof, P.; Van Boven, J.F.; Stuurman-Bieze, A.G.G.; Hiddink, E.G.; Postma, M.J.

    2013-01-01

    Objectives: Therapy persistence is important to achieve optimal clinical benefits of statin therapy. The aim of this study was to determine the cost-effectiveness of pharmaceutical care in community pharmacies, aimed to increase persistence with statin therapy for both primary and secondary

  17. Irritable bowel symptoms, use of healthcare, costs, sickness and disability pension benefits

    DEFF Research Database (Denmark)

    Poulsen, Chalotte H; Eplov, Lene F; Hjorthøj, Carsten

    2018-01-01

    OBJECTIVES: Irritable bowel syndrome (IBS) is associated with increased healthcare use and work absenteeism. We aimed to investigate long-term use of healthcare services and social benefits across IBS symptom groups. Additionally, we estimated excess healthcare costs. METHODS: A longitudinal...... between symptom groups and total healthcare costs were statistically significant. CONCLUSIONS: IBS symptoms influence the long-term use and costs of healthcare, as well as the use of social benefits in the general population. Mental vulnerability explained some, but not all, of the use of healthcare...... and mental vulnerability. RESULTS: IBS symptom groups compared to no IBS symptoms were associated with an increased number of contacts with primary and secondary healthcare, as well as weeks on sickness and disability benefits. Accounting for mental vulnerability decreased the estimates and all but two...

  18. Secondary harm mitigation: A more humanitarian framework for international drug law enforcement.

    Science.gov (United States)

    Blaustein, Jarrett; McLay, Miki; McCulloch, Jude

    2017-08-01

    This article introduces the concept of 'secondary harm mitigation' as a framework for improving the humanitarian credentials of international drug law enforcement agencies. The concept is rooted in a critical analysis of the compatibility of the harm reduction philosophy with Australia's international drug law enforcement practices. On a utilitarian level, the net benefits of international drug law enforcement are determined to be, at best inconclusive, arguably counterproductive and in most cases, incalculable. On a humanitarian level, international drug law enforcement is also determined to be problematic from a criminological standpoint because it generates secondary harms and it is indifferent to the vulnerability of individuals who participate in illicit drug trafficking. Accordingly, the article concludes that a philosophy of harm reduction grounded in the public health perspective is inadequate for mitigating secondary harms arising from Australia's efforts to combat international illicit drug trafficking. A tentative list of secondary harm mitigation principles is presented and the article argues that secondary harm mitigation should replace supply reduction as a core tenet of Australia's National Drug Strategy. The article also concludes that secondary harm mitigation may provide a viable framework for stimulating a productive dialogue between those who advocate prohibition and those who call for decriminalisation at the global level. Copyright © 2017 Elsevier B.V. All rights reserved.

  19. Seismic tomography of Basse-Terre volcanic island, Guadeloupe, Lesser Antilles, using earthquake travel times and noise correlations

    Science.gov (United States)

    Barnoud, Anne; Coutant, Olivier; Bouligand, Claire; Massin, Frédérick; Stehly, Laurent

    2015-04-01

    We image the volcanic island of Basse-Terre, Guadeloupe, Lesser Antilles, using both earthquake travel times and noise correlations. (1) A new earthquake catalog was recently compiled for the Lesser Antilles by the CDSA/OVSG/IPGP (Massin et al., EGU General Assembly 2014) and allows us to perform classical travel time tomography to obtain smooth 3D body wave velocity models. The geometrical configuration of the volcanic arc controls the resolution of the model in our zone of interest. (2) Surface wave tomography using noise correlations was successfully applied to volcanoes (Brenguier et al., Geophys. Res. Lett. 2007). We use seismic noise recorded at 16 broad-band stations and 9 short-period stations from Basse-Terre over a period of six years (2007-2012). For each station pair, we extract a dispersion curve from the noise correlation to get surface wave velocity models. The inversion of the dispersion curves produces a 3D S-wave velocity model of the island. The spatial distribution of seismic stations accross the island is highly heterogeneous, leading to higher resolution near the dome of the Soufrière of Guadeloupe volcano. Resulting velocity models are compared with densities obtained by 3D inversion of gravimetric data (Barnoud et al., AGU Fall Meeting 2013). Further work should include simultaneous inversion of seismic and gravimetric datasets to overcome resolution limitations.

  20. What do we know about the cardiac benefits of exercise?

    Science.gov (United States)

    Wei, Xin; Liu, Xiaojun; Rosenzweig, Anthony

    2015-08-01

    Exercise has long been considered an essential element for sustaining cardiovascular health. A vast literature of clinical studies suggests that exercise serves as an effective intervention for the primary and secondary prevention of cardiovascular disease, although the optimal nature, intensity, and duration of exercise for maximizing these cardiovascular benefits remain unclear. On a molecular level, exercise induces physiologic growth of the heart primarily by driving cardiomyocyte hypertrophy, notably through the interconnected IGF-1-PI3K-AKT1 and C/EBPβ-CITED4 pathways. Here, we explore the range of clinical evidence supporting the cardiovascular benefits of exercise and outline the molecular pathways that play major roles in regulating these protective effects. Copyright © 2015 Elsevier Inc. All rights reserved.

  1. Do school-level factors influence the educational benefits of digital technology? a critical analysis of teachers’ perceptions

    OpenAIRE

    Perrotta, C

    2013-01-01

    The supposed benefits of teachers’ use of information and communications technology(digital technology) are well reported throughout the academic literature—most ofteninvolving issues of enhanced learning outcomes, increased pupil engagement and moreefficient management and organisation of learning. This paper uses survey data from683 teachers in 24 secondary schools across the UK to analyse the factors influencinghow these benefits are being experienced. In particular, the paper explores the...

  2. Lesser Himalayan sequences in Eastern Himalaya and their deformation: Implications for Paleoproterozoic tectonic activity along the northern margin of India

    Directory of Open Access Journals (Sweden)

    Dilip Saha

    2013-05-01

    Full Text Available Substantial part of the northern margin of Indian plate is subducted beneath the Eurasian plate during the Caenozoic Himalayan orogeny, obscuring older tectonic events in the Lesser Himalaya known to host Proterozoic sedimentary successions and granitic bodies. Tectonostratigraphic units of the Proterozoic Lesser Himalayan sequence (LHS of Eastern Himalaya, namely the Daling Group in Sikkim and the Bomdila Group in Arunachal Pradesh, provide clues to the nature and extent of Proterozoic passive margin sedimentation, their involvement in pre-Himalayan orogeny and implications for supercontinent reconstruction. The Daling Group, consisting of flaggy quartzite, meta-greywacke and metapelite with minor mafic dyke and sill, and the overlying Buxa Formation with stromatolitic carbonate-quartzite-slate, represent shallow marine, passive margin platformal association. Similar lithostratigraphy and broad depositional framework, and available geochronological data from intrusive granites in Eastern Himalaya indicate strikewise continuity of a shallow marine Paleoproterozoic platformal sequence up to Arunachal Pradesh through Bhutan. Multiple fold sets and tectonic foliations in LHS formed during partial or complete closure of the sea/ocean along the northern margin of Paleoproterozoic India. Such deformation fabrics are absent in the upper Palaeozoic–Mesozoic Gondwana formations in the Lesser Himalaya of Darjeeling-Sikkim indicating influence of older orogeny. Kinematic analysis based on microstructure, and garnet composition suggest Paleoproterozoic deformation and metamorphism of LHS to be distinct from those associated with the foreland propagating thrust systems of the Caenozoic Himalayan collisional belt. Two possibilities are argued here: (1 the low greenschist facies domain in the LHS enveloped the amphibolite to granulite facies domains, which were later tectonically severed; (2 the older deformation and metamorphism relate to a Pacific type

  3. Primary vs. secondary antibody deficiency: clinical features and infection outcomes of immunoglobulin replacement.

    Directory of Open Access Journals (Sweden)

    Sai S Duraisingham

    Full Text Available Secondary antibody deficiency can occur as a result of haematological malignancies or certain medications, but not much is known about the clinical and immunological features of this group of patients as a whole. Here we describe a cohort of 167 patients with primary or secondary antibody deficiencies on immunoglobulin (Ig-replacement treatment. The demographics, causes of immunodeficiency, diagnostic delay, clinical and laboratory features, and infection frequency were analysed retrospectively. Chemotherapy for B cell lymphoma and the use of Rituximab, corticosteroids or immunosuppressive medications were the most common causes of secondary antibody deficiency in this cohort. There was no difference in diagnostic delay or bronchiectasis between primary and secondary antibody deficiency patients, and both groups experienced disorders associated with immune dysregulation. Secondary antibody deficiency patients had similar baseline levels of serum IgG, but higher IgM and IgA, and a higher frequency of switched memory B cells than primary antibody deficiency patients. Serious and non-serious infections before and after Ig-replacement were also compared in both groups. Although secondary antibody deficiency patients had more serious infections before initiation of Ig-replacement, treatment resulted in a significant reduction of serious and non-serious infections in both primary and secondary antibody deficiency patients. Patients with secondary antibody deficiency experience similar delays in diagnosis as primary antibody deficiency patients and can also benefit from immunoglobulin-replacement treatment.

  4. Primary vs. Secondary Antibody Deficiency: Clinical Features and Infection Outcomes of Immunoglobulin Replacement

    Science.gov (United States)

    Duraisingham, Sai S.; Buckland, Matthew; Dempster, John; Lorenzo, Lorena; Grigoriadou, Sofia; Longhurst, Hilary J.

    2014-01-01

    Secondary antibody deficiency can occur as a result of haematological malignancies or certain medications, but not much is known about the clinical and immunological features of this group of patients as a whole. Here we describe a cohort of 167 patients with primary or secondary antibody deficiencies on immunoglobulin (Ig)-replacement treatment. The demographics, causes of immunodeficiency, diagnostic delay, clinical and laboratory features, and infection frequency were analysed retrospectively. Chemotherapy for B cell lymphoma and the use of Rituximab, corticosteroids or immunosuppressive medications were the most common causes of secondary antibody deficiency in this cohort. There was no difference in diagnostic delay or bronchiectasis between primary and secondary antibody deficiency patients, and both groups experienced disorders associated with immune dysregulation. Secondary antibody deficiency patients had similar baseline levels of serum IgG, but higher IgM and IgA, and a higher frequency of switched memory B cells than primary antibody deficiency patients. Serious and non-serious infections before and after Ig-replacement were also compared in both groups. Although secondary antibody deficiency patients had more serious infections before initiation of Ig-replacement, treatment resulted in a significant reduction of serious and non-serious infections in both primary and secondary antibody deficiency patients. Patients with secondary antibody deficiency experience similar delays in diagnosis as primary antibody deficiency patients and can also benefit from immunoglobulin-replacement treatment. PMID:24971644

  5. Geographic variation in health insurance benefits in Qianjiang District, China: a cross-sectional study.

    Science.gov (United States)

    Wu, Yue; Zhang, Liang; Liu, Xuejiao; Ye, Ting; Wang, Yongfei

    2018-02-05

    Health insurance contributes to reducing the economic burden of disease and improving access to healthcare. In 2016, the Chinese government announced the integration of the New Cooperative Medical Scheme (NCMS) and Urban Resident Basic Medical Insurance (URBMI) to reduce system segmentation. Nevertheless, it was unclear whether there would be any geographic variation in health insurance benefits if the two types of insurance were integrated. The aim of this study was to identify the potential geographic variation in health insurance benefits and the related contributing factors. This cross-sectional study was carried out in Qianjiang District, where the NCMS and URBMI were integrated into Urban and Rural Resident Basic Medical Insurance Scheme (URRBMI) in 2010. All beneficiaries under the URRBMI were hospitalized at least once in 2013, totaling 445,254 persons and 65,877 person-times, were included in this study. Town-level data on health insurance benefits, healthcare utilization, and socioeconomic and geographical characteristics were collected through health insurance system, self-report questionnaires, and the 2014 Statistical Yearbook of Qianjiang District. A simplified Theil index at town level was calculated to measure geographic variation in health insurance benefits. Colored maps were created to visualize the variation in geographic distribution of benefits. The effects of healthcare utilization and socioeconomic and geographical characteristics on geographic variation in health insurance benefits were estimated with a multiple linear regression analysis. Different Theil index values were calculated for different towns, and the Theil index values for compensation by person-times and amount were 2.5028 and 1.8394 in primary healthcare institutions and 1.1466 and 0.9204 in secondary healthcare institutions. Healthcare-seeking behavior and economic factors were positively associated with health insurance benefits in compensation by person-times significantly

  6. Canine distemper virus infection in a lesser grison (Galictis cuja: first report and virus phylogeny

    Directory of Open Access Journals (Sweden)

    Jane Megid

    2013-02-01

    Full Text Available Infectious diseases in wild animals have been increasing as a result of their habitat alterations and closer contact with domestic animals. Canine distemper virus (CDV has been reported in several species of wild carnivores, presenting a threat to wildlife conservation. We described the first case of canine distemper virus infection in lesser grison (Galictis cuja. A free-ranging individual, with no visible clinical sigs, presented sudden death after one day in captivity. Molecular diagnosis for CDV infection was performed using whole blood collected by postmortem intracardiac puncture, which resulted positive. The virus phylogeny indicated that domestic dogs were the probable source of infection.

  7. Weighing the Anti-Ischemic Benefits and Bleeding Risks from Aspirin Therapy: a Rational Approach.

    Science.gov (United States)

    Dugani, Sagar; Ames, Jeffrey M; Manson, JoAnn E; Mora, Samia

    2018-02-21

    The role of aspirin in secondary cardiovascular prevention is well understood; however, the role in primary prevention is less clear, and requires careful balancing of potential benefits with risks. Here, we summarize the evidence base on the benefits and risks of aspirin therapy, discuss clinical practice guidelines and decision support tools to assist in initiating aspirin therapy, and highlight ongoing trials that may clarify the role of aspirin in cardiovascular disease prevention. In 2016, the USPSTF released guidelines on the use of aspirin for primary prevention. Based on 11 trials (n = 118,445), aspirin significantly reduced all-cause mortality and nonfatal myocardial infarction, and in 7 trials that evaluated aspirin ≤ 100 mg/day, there was significant reduction in nonfatal stroke. The USPSTF recommends individualized use of aspirin based on factors including age, 10-year atherosclerotic cardiovascular disease risk score, and bleeding risk. Several ongoing trials are evaluating the role of aspirin in primary prevention, secondary prevention, and in combination therapy for atrial fibrillation. Evidence-based approaches to aspirin use should consider the anti-ischemic benefits and bleeding risks from aspirin. In this era of precision medicine, tools that provide the personalized benefit to risk assessment, such as the freely available clinical decision support tool (Aspirin-Guide), can be easily incorporated into the electronic health record and facilitate more informed decisions about initiating aspirin therapy for primary prevention. Aspirin has a complex matrix of benefits and risks, and its use in primary prevention requires individualized decision-making. Results from ongoing trials may guide healthcare providers in identifying appropriate candidates for aspirin therapy.

  8. Radiological evaluation of subjects submitted to vagotomy, antrectomy and gastroduodenal anastomosis at the lesser curvature in chlorydropeptic ulceration

    International Nuclear Information System (INIS)

    Silva, A.L.; Petroianu, A.; Ferreira, C.S.

    1988-01-01

    This work shows a radiologic study of stomachs operated for chlorydropeptic ulceration by the surgical technique of: vagotomy, antrectomy and gastroduodenal anastomosis at the lesser curvature. Our objective was to observe the gastric morphology and motility turned to its emptying. The results suggested good perspectives, mainly, in the late post-operative. The operated stomachs get a similar morphology with the normal one and its emptying, at first, slow, tended to normalize. (author) [pt

  9. A meta-analysis of lesser prairie-chicken nesting and brood-rearing habitats: implications for habitat management

    Science.gov (United States)

    Hagen, Christian A.; Grisham, Blake A.; Boal, Clint W.; Haukos, David A.

    2013-01-01

    The distribution and range of lesser prairie-chicken (Tympanuchus pallidicinctus) has been reduced by >90% since European settlement of the Great Plains of North America. Currently, lesser prairie-chickens occupy 3 general vegetation communities: sand sagebrush (Artemisia filifolia), sand shinnery oak (Quercus havardii), and mixed-grass prairies juxtaposed with Conservation Reserve Program grasslands. As a candidate for protection under the Endangered Species Act, there is a need for a synthesis that characterizes habitat structure rangewide. Thus, we conducted a meta-analysis of vegetation characteristics at nest sites and brood habitats to determine whether there was an overall effect (Hedges' d) of habitat selection and to estimate average (95% CI) habitat characteristics at use sites. We estimated effect sizes (di) from the difference between use (nests and brood sites) and random sampling sites for each study (n = 14), and derived an overall effect size (d++). There was a general effect for habitat selection as evidenced by low levels of variation in effect sizes across studies and regions. There was a small to medium effect (d++) = 0.20-0.82) of selection for greater vertical structure (visual obstruction) by nesting females in both vegetation communities, and selection against bare ground (d++ = 0.20-0.58). Females with broods exhibited less selectivity for habitat components except for vertical structure. The variation of d++ was greater during nesting than brooding periods, signifying a seasonal shift in habitat use, and perhaps a greater range of tolerance for brood-rearing habitat. The overall estimates of vegetation cover were consistent with those provided in management guidelines for the species.

  10. Testing competing hypotheses for chronology and intensity of lesser scaup molt during winter and spring migration

    Science.gov (United States)

    Anteau, M.J.; Anteau, A.C.E.; Afton, A.D.

    2011-01-01

    We examined chronology and intensity of molt and their relationships to nutrient reserves (lipid and protein) of Lesser Scaup (Aythya affinis) to test predictions of two competing hypotheses. The "staggered cost" hypothesis states that contour-feather molt is nutritionally costly and should not occur during nutritionally costly periods of the annual cycle unless adequate nutrients are available. The "breeding plumage" hypothesis states that prealternate molt must be complete prior to nesting, regardless of nutrient availability. Males and females were completing prebasic molt during winter (Louisiana) and had similar molt intensities. Females underwent prealternate molt during spring migration (Illinois and Minnesota) and prebreeding (Manitoba) periods; 53% and 93% of females were in moderate to heavy molt in Minnesota and Manitoba, respectively, despite experiencing other substantial nutritional costs. Intensity of prealternate molt was not correlated with lipid reserves even though females, on average, were nutritionally stressed. Molt intensity was not negatively correlated with protein reserves at any location. Chronology and intensity of prealternate molt varied little and were not temporally staggered from other nutritionally costly events. Prealternate molt did not influence nutrient reserves, and nutrient reserves likely were not the ultimate factor influencing chronology or intensity of prealternate molt of females. We surmise that nutrients required for prealternate molt come from exogenous sources and that the "staggered cost" hypothesis does not explain chronology of prealternate molt in female Lesser Scaup; rather, it appears that molt must be complete prior to nesting, consistent with the "breeding plumage" hypothesis. ?? The Cooper Ornithological Society 2011.

  11. Enhanced primary and secondary performance through cognitive relaying and leveraging primary feedback

    KAUST Repository

    Hamza, Doha R.; Aï ssa, Sonia

    2014-01-01

    We consider a spectrum-sharing system, where the primary terminal operates in a time-slotted fashion and is active only when it has a packet to send. The secondary terminal uses spectrum sensing results and the primary automatic repeat request (ARQ) feedback to access the channel probabilistically. To enhance the primary's system performance, the secondary user (SU) acts as a relay for the primary user (PU) in the event of transmission failure on the direct link of the latter. Closed-form expressions for the primary and secondary throughputs are obtained for the described scheme. The optimal medium access probabilities are then obtained by maximizing the secondary throughput subject to constraints that guarantee the stability of the considered queues, a minimum primary throughput, and a maximum primary queueing delay. The results clearly indicate the benefits of cognitive relaying in enhancing the throughput performance for both the PU and SU. Furthermore, by guaranteeing minimum rate and maximum delay requirements, our scheme is shown to provide a definitive notion of protection for the licensed users of the network. © 2013 IEEE.

  12. Enhanced primary and secondary performance through cognitive relaying and leveraging primary feedback

    KAUST Repository

    Hamza, Doha R.

    2014-06-01

    We consider a spectrum-sharing system, where the primary terminal operates in a time-slotted fashion and is active only when it has a packet to send. The secondary terminal uses spectrum sensing results and the primary automatic repeat request (ARQ) feedback to access the channel probabilistically. To enhance the primary\\'s system performance, the secondary user (SU) acts as a relay for the primary user (PU) in the event of transmission failure on the direct link of the latter. Closed-form expressions for the primary and secondary throughputs are obtained for the described scheme. The optimal medium access probabilities are then obtained by maximizing the secondary throughput subject to constraints that guarantee the stability of the considered queues, a minimum primary throughput, and a maximum primary queueing delay. The results clearly indicate the benefits of cognitive relaying in enhancing the throughput performance for both the PU and SU. Furthermore, by guaranteeing minimum rate and maximum delay requirements, our scheme is shown to provide a definitive notion of protection for the licensed users of the network. © 2013 IEEE.

  13. Access to leave benefits for primary caregivers of children with special health care needs: a double bind.

    Science.gov (United States)

    Chung, Paul J; Garfield, Craig F; Elliott, Marc N; Vestal, Katherine D; Klein, David J; Schuster, Mark A

    2013-01-01

    Family leave benefits are a key tool that allow parents to miss work to care for their ill children. We examined whether access to benefits varies by level of childcare responsibilities among employed parents of children with special health care needs (CSHCN). We conducted telephone interviews with 3 successive cohorts of employed parents of CSHCN, randomly sampled from a California children's hospital. At Wave 1 (November 2003 to January 2004), we conducted 372 parent interviews. At Wave 2 (November 2005 to January 2006), we conducted 396 parent interviews. At Wave 3 (November 2007 to January 2008), we conducted 393 parent interviews. We pooled these samples for bivariate and multivariate regression analyses by using wave indicators and sample weights. Parents with more childcare responsibilities (primary caregivers) reported less access to sick leave/vacation (65% vs 82%, P paid leave outside of sick leave/vacation (41% vs 51%, P Leave Act benefits (28% vs 44%, P leave benefits. Even in the context of part-time employment, however, primary caregivers were just as likely as secondary caregivers both to miss work due to their child's illness and to report being unable to miss work when they needed to. Due in part to employment and gender differences, leave benefits among parents of CSHCN are skewed away from primary caregivers and toward secondary caregivers. Thus, primary caregivers may face particularly difficult choices between employment and childcare responsibilities. Reducing this disparity in access to benefits may improve the circumstances of CSHCN and their families. Copyright © 2013 Academic Pediatric Association. Published by Elsevier Inc. All rights reserved.

  14. Activation of cannabinoid system in anterior cingulate cortex and orbitofrontal cortex modulates cost-benefit decision making.

    Science.gov (United States)

    Khani, Abbas; Kermani, Mojtaba; Hesam, Soghra; Haghparast, Abbas; Argandoña, Enrike G; Rainer, Gregor

    2015-06-01

    Despite the evidence for altered decision making in cannabis abusers, the role of the cannabinoid system in decision-making circuits has not been studied. Here, we examined the effects of cannabinoid modulation during cost-benefit decision making in the anterior cingulate cortex (ACC) and orbitofrontal cortex (OFC), key brain areas involved in decision making. We trained different groups of rats in a delay-based and an effort-based form of cost-benefit T-maze decision-making task. During test days, the rats received local injections of either vehicle or ACEA, a cannabinoid type-1 receptor (CB1R) agonist in the ACC or OFC. We measured spontaneous locomotor activity following the same treatments and characterized CB1Rs localization on different neuronal populations within these regions using immunohistochemistry. We showed that CB1R activation in the ACC impaired decision making such that rats were less willing to invest physical effort to gain high reward. Similarly, CB1R activation in the OFC induced impulsive pattern of choice such that rats preferred small immediate rewards to large delayed rewards. Control tasks ensured that the effects were specific for differential cost-benefit tasks. Furthermore, we characterized widespread colocalizations of CB1Rs on GABAergic axonal ends but few colocalizations on glutamatergic, dopaminergic, and serotonergic neuronal ends. These results provide first direct evidence that the cannabinoid system plays a critical role in regulating cost-benefit decision making in the ACC and OFC and implicate cannabinoid modulation of synaptic ends of predominantly interneurons and to a lesser degree other neuronal populations in these two frontal regions.

  15. Nanomedicine strategies for treatment of secondary spinal cord injury

    Directory of Open Access Journals (Sweden)

    White-Schenk D

    2015-01-01

    Full Text Available Désirée White-Schenk,1,4 Riyi Shi,1–3 James F Leary1–4 1Interdisciplinary Biomedical Sciences Program, 2Weldon School of Biomedical Engineering, 3Department of Basic Medical Sciences, Lynn School of Veterinary Medicine, 4Birck Nanotechnology Center, Discovery Park, Purdue University, West Lafayette, IN, USA Abstract: Neurological injury, such as spinal cord injury, has a secondary injury associated with it. The secondary injury results from the biological cascade after the primary injury and affects previous uninjured, healthy tissue. Therefore, the mitigation of such a cascade would benefit patients suffering a primary injury and allow the body to recover more quickly. Unfortunately, the delivery of effective therapeutics is quite limited. Due to the inefficient delivery of therapeutic drugs, nanoparticles have become a major field of exploration for medical applications. Based on their material properties, they can help treat disease by delivering drugs to specific tissues, enhancing detection methods, or a mixture of both. Incorporating nanomedicine into the treatment of neuronal injury and disease would likely push nanomedicine into a new light. This review highlights the various pathological issues involved in secondary spinal cord injury, current treatment options, and the improvements that could be made using a nanomedical approach. Keywords: spinal cord injury, acrolein, drug delivery, methylprednisolone, secondary injury

  16. Tectonic implications of U-Pb (zircon) Geochronology of Chor Granitoids of the Lesser Himalaya, Himachal Pradesh, NW Himalaya

    Science.gov (United States)

    Singh, P.; Bhakuni, S. S.

    2017-12-01

    Granitoids of various ages ranging from Proterozoic to Tertiary occur throughout the Himalayan fold-thrust belt. The occurrence of the Neoproterozoic granitoids are very less in the Himalayan orogen. One of the best example of Neoproterozoic granitoids is Chor granitoids, which are the intrusive granite bodies in the Paleoproterozoic of the Lesser Himalayan Crystallines of the Jutogh Group. In the central part these granites are non-foliated homogeneous that are porphyritic and peraluminous in nature (Singh et al., 2002; Bhargava et al., 2014, 2016), whereas in the peripheral part these are foliated showing south directed shear sense of movement. In this work we present the U-Pb (zircon) geochronology of two different granites samples of the Chor granitoids of Himachal Pradesh, NW Himalaya. The Jutogh Group of rocks is thrust over the Lesser Himalayan Sequence along the Jutogh Thrust or MCT. The geochronology of the Chor Granitoids and Lesser Himalayan Crystallines and their relationship with each other, including with the Indian shield are sparsely obscure. U-Pb zircon geochrnological age populations from these granitoids yield ages between 780 and 980 Ma. One sample gives the prominent age spectra for 206Pb/238U with weighted mean age of 908.3 ± 6.7 Ma (2σ) MSWD = 2.4 (n = 18). Similarly another sample gives the age of crystallization with weight mean age of 917 ± 17 Ma (2σ) MSWD = 3 (n = 11) and Th/U ratios of both samples are >0.1, indicating their magmatic origin. As a result of ductile shearing of granites along the MCT during the Cenozoic Himalayan Orogeny, the age has reduced to 780 Ma. The Neoproterozoic age of Chor granite matches with the Neoproterozoic detrital zircon age (800 to 1000 Ma by Parrish and Hodges 1996, Decelles et al., 2000) of the HHC. On the basis of U-Pb (zircon) geochronological ages, it is revealed that the source of zircons of the Chor granite and HHC rocks was the northern margin of the Pan-African orogen. The Chor granitoids was

  17. [Management of secondary hyperparathyroidism-current impact of parathyroidectomy].

    Science.gov (United States)

    Zitt, Emanuel; Lhotta, Karl

    2016-05-01

    Parathyroidectomy still presents an adequate and efficient therapeutic option for the management of refractory secondary hyperparathyroidism (sHPT). Dependent on the selected surgical technique it allows the highest rate of "laboratory cure" of sHPT. The question remains as to whether these improvements translate into clinical long-term benefits regarding the sHPT-associated vascular calcification and the increased risk for cardiovascular morbidity and mortality as well as overall mortality. Recent large observational studies point in this direction but definite evidence through prospective randomized controlled trials is still lacking.

  18. [Secondary hypertension].

    Science.gov (United States)

    Yoshida, Yuichi; Shibata, Hirotaka

    2015-11-01

    Hypertension is a common disease and a crucial predisposing factor of cardiovascular diseases. Approximately 10% of hypertensive patients are secondary hypertension, a pathogenetic factor of which can be identified. Secondary hypertension consists of endocrine, renal, and other diseases. Primary aldosteronism, Cushing's syndrome, pheochromocytoma, hyperthyroidism, and hypothyroidism result in endocrine hypertension. Renal parenchymal hypertension and renovascular hypertension result in renal hypertension. Other diseases such as obstructive sleep apnea syndrome are also very prevalent in secondary hypertension. It is very crucial to find and treat secondary hypertension at earlier stages since most secondary hypertension is curable or can be dramatically improved by specific treatment. One should keep in mind that screening of secondary hypertension should be done at least once in a daily clinical practice.

  19. Increasing self-efficacy in learning to program : Exploring the benefits of explicit instruction for problem solving

    NARCIS (Netherlands)

    Govender, I.; Govender, D.; Havenga, M.; Mentz, E.; Breed, B.; Dignum, F.; Dignum, V.

    2014-01-01

    The difficulty of learning to program has long been identified amongst novices. This study explored the benefits of teaching a problem solving strategy by comparing students’ perceptions and attitudes towards problem solving before and after the strategy was implemented in secondary schools. Based

  20. Long-distance multistep sediment transfer at convergent plate margins (Barbados, Lesser Antilles)

    Science.gov (United States)

    Limonta, Mara; Garzanti, Eduardo; Resentini, Alberto; Andò, Sergio; Boni, Maria; Bechstädt, Thilo

    2015-04-01

    We present a regional provenance study of the compositional variability and long distance multicyclic transport of terrigenous sediments along the convergent and transform plate boundaries of Central America, from the northern termination of the Andes to the Lesser Antilles arc-trench system. We focus on high-resolution bulk-petrography and heavy-mineral analyses of modern beach and fluvial sediments and Cenozoic sandstones of Barbados island, one of the places in the world where an active accretionary prism is subaerially exposed (Speed et al., 2012). The main source of siliciclastic sediment in the Barbados accretionary prism is off-scraped quartzose to feldspatho-litho-quartzose metasedimentaclastic turbidites, ultimately supplied from South America chiefly via the Orinoco fluvio-deltaic system. Modern sand on Barbados island is either quartzose with depleted heavy-mineral suites recycled from Cenozoic turbidites and including epidote, zircon, tourmaline, andalusite, garnet, staurolite and chloritoid, or calcareous and derived from Pleistocene coral reefs. The ubiquitous occurrence of clinopyroxene and hypersthene, associated with green-brown kaersutitic hornblende in the north or olivine in the south, points to reworking of ash-fall tephra erupted from andesitic (St. Lucia) and basaltic (St. Vincent) volcanic centers in the Lesser Antilles arc transported by the prevailing anti-trade winds in the upper troposphere. Modern sediments on Barbados island and those shed by other accretionary prisms such as the Indo- Burman Ranges and Andaman-Nicobar Ridge (Garzanti et al., 2013) define the distinctive mineralogical signature of Subduction Complex Provenance, which is invariably composite. Detritus recycled dominantly from accreted turbidites and oceanic mudrocks is mixed in various proportions with detritus from the adjacent volcanic arc or carbonate reefs widely developed at tropical latitudes. Ophiolitic detritus may be locally prominent. Quantitative provenance

  1. When lending a hand depletes the will: The daily costs and benefits of helping.

    Science.gov (United States)

    Lanaj, Klodiana; Johnson, Russell E; Wang, Mo

    2016-08-01

    Employees help on a regular daily basis while at work, yet surprisingly little is known about how responding to help requests affects helpers. Although recent theory suggests that helping may come at a cost to the helper, the majority of the helping literature has focused on the benefits of helping. The current study addresses the complex nature of helping by simultaneously considering its costs and benefits for helpers. Using daily diary data across 3 consecutive work weeks, we examine the relationship between responding to help requests, perceived prosocial impact of helping, and helpers' regulatory resources. We find that responding to help requests depletes regulatory resources at an increasing rate, yet perceived prosocial impact of helping can replenish resources. We also find that employees' prosocial motivation moderates these within-person relationships, such that prosocial employees are depleted to a larger extent by responding to help requests, and replenished to a lesser extent by the perceived prosocial impact of helping. Understanding the complex relationship of helping with regulatory resources is important because such resources have downstream effects on helpers' behavior in the workplace. We discuss the implications of our findings for both theory and practice. (PsycINFO Database Record (c) 2016 APA, all rights reserved).

  2. Benefits of collective intelligence: Swarm intelligent foraging, an ethnographic research

    Directory of Open Access Journals (Sweden)

    Sivave Mashingaidze

    2014-12-01

    Full Text Available Wisdom of crowds; bees, colonies of ants, schools of fish, flocks of birds, and fireflies flashing synchronously are all examples of highly coordinated behaviors that emerge from collective, decentralized intelligence. This article is an ethnographic study of swarm intelligence foraging of swarms and the benefits derived from collective decision making. The author used using secondary data analysis to look at the benefits of swarm intelligence in decision making to achieve intended goals. Concepts like combined decision making and consensus were discussed and four principles of swarm intelligence were also discussed viz; coordination, cooperation, deliberation and collaboration. The research found out that collective decision making in swarms is the touchstone of achieving their goals. The research further recommended corporate to adopt collective intelligence for business sustainability.

  3. Repair of lesser tuberosity osteotomy for shoulder arthroplasty: biomechanical evaluation of the Backpack and Dual Row techniques.

    Science.gov (United States)

    Heckman, Daniel S; Hoover, Stephen A; Weinhold, Paul S; Spang, Jeffrey T; Creighton, R Alexander

    2011-04-01

    Subscapularis dysfunction following total shoulder arthroplasty can result in permanent loss of function. The lesser tuberosity osteotomy (LTO) has been proposed as a method which utilizes bone-to-bone healing to improve subscapularis function. This study evaluates the biomechanical properties of two described techniques for LTO repair. We hypothesized that a Dual Row repair would be stronger and demonstrate less cyclic displacement than a Backpack repair. Ten matched pairs of cadaveric humeri were dissected, leaving the subscapularis intact, and a lesser tuberosity osteotomy was performed. Matched shoulders were randomized to either a Backpack repair or a Dual Row repair. Repairs were subjected to cyclic loading to 180 N for 500 cycles, followed by ramp-up loading to ultimate failure. Clinical failure was defined as displacement >5 mm after 500 cycles. Displacement after 500 cycles was significantly greater for the Backpack repair (6.9 mm) than for the Dual Row repair (4.6 mm) (P = .007). Most displacement occurred on the first cycle (Backpack, 4.6 mm; Dual Row, 2.1 mm) (P Row repair (3/10). Ultimate tensile strength was significantly greater for the Dual Row repair (632.3 N) than for the Backpack repair (510.9 N) (P = .01). The Dual Row technique is significantly stronger and demonstrates less cyclic displacement than the Backpack technique. Clinical studies are needed to determine the impact of LTO repair technique on subscapularis function following shoulder arthroplasty. Copyright © 2011. Published by Mosby, Inc.

  4. Double Bind: Primary Caregivers of Children with Special Health Care Needs and Their Access to Leave Benefits

    Science.gov (United States)

    Chung, Paul J.; Garfield, Craig F.; Elliott, Marc N.; Vestal, Katherine D.; Klein, David J.; Schuster, Mark A.

    2013-01-01

    Objective Family leave benefits are a critical tool allowing parents to miss work to care for their ill children. We examined whether access to benefits varies by level of childcare responsibilities among employed parents of children with special health care needs (CSHCN). Methods We conducted telephone interviews with three successive cohorts of employed parents of CSHCN, randomly sampled from a California children’s hospital. At Wave 1 (November 2003 to January 2004) we conducted 372 parent interviews. At Wave 2 (November 2005 to January 2006) we conducted 396 parent interviews. At Wave 3 (November 2007 to December 2008) we conducted 393 parent interviews. We pooled these samples for bivariate and multivariate regression analyses, using wave indicators and sample weights. Results Parents with more childcare responsibilities (primary caregivers) reported less access to sick leave/vacation (65% vs. 82%, Ppaid leave outside of sick leave/vacation (41% vs. 51%, Pleave benefits. Even in the context of part-time employment, however, primary caregivers were just as likely as secondary caregivers both to miss work due to their child’s illness and to report being unable to miss work when they needed to. Conclusions Due in part to employment and gender differences, leave benefits among parents of CSHCN are skewed away from primary caregivers and toward secondary caregivers. Thus, primary caregivers may face particularly difficult choices between employment and childcare responsibilities. Reducing this disparity in access to benefits may improve health for CSHCN and their families. PMID:23477748

  5. Precambrian-Cambrian boundary in the Tal formation of Garhwal Lesser Himalaya : Rb-Sr age evidence from black shales underlying phosphorites

    International Nuclear Information System (INIS)

    Sharma, K.K.; Rameshwar Rao, D.; Azmi, R.J.; Gopalan, K.; Pantulu, G.V.C.

    1991-01-01

    The recently reported faunal evidence for placing the Precambrian-Cambrian boundary within the main phosphorite unit of the Chert-Phosphorite Member of the Tal Formation, Garhwal Lesser Himalaya, is supported by the present report of 626 ± 13 myr for the whole-rock Rb-Sr isochron age of the black shales directly underlying the phosphorite band. (author). 15 refs., 2 figs., 1 tab

  6. ILC Damping Rings: Benefit of the Antechamber or: Antechamber vs. SEY

    International Nuclear Information System (INIS)

    Furman, M.A.

    2011-01-01

    We present simulation results of the build-up of the electron-cloud density n e for the two proposed ILC damping ring lattices, DC04 and DSB3, with particular attention to the potential benefit of an antechamber. We examine a field-free region and a dipole bending magnet, with or without an antechamber. We assume a secondary electronemission model for the chamber surface based on approximate fits to measured data for TiN, except that we let the peak value of the secondary emission yield (SEY), (delta) max , be a variable. We conclude that there is a critical value of (delta) max below which the antechamber provides a substantial benefit, roughly a factor ∼40 reduction in n e relative to the case in which max exceeds the critical value. We estimate the steady-state value of n e as a function of (delta) max , and thereby obtain the critical value of (delta) max for all cases considered. Thus, from the perspective of the electron-cloud effect, the inclusion of an antechamber in the design is justified only if (delta) max is below the critical value. The results presented here constitute a slight extension of those previously presented in March and September, 2010.

  7. Longevity expectations in the pension fund, insurance, and employee benefits industries.

    Science.gov (United States)

    Zhavoronkov, Alex

    2015-01-01

    Considerable progress has been made in many areas of biomedical science since the 1960s, suggesting likely increases in life expectancy and decreases in morbidity and mortality in the adult population. These changes may pose substantial risks to the pensions and benefits industries. While there is no significant statistical evidence demonstrating rapid decreases in mortality rates, there are conflicting opinions among demographers and biogerontologists on the biological limits of the human lifespan and trends in life expectancy. We administered a survey of the International Employee Benefits Association (IEBA), a large, international industry group. Industry professionals employed by consulting (35%), insurance (24%), pension (14%), and other (27%) companies responded to 32 questions. Respondents showed reasonably conservative views on the future of longevity and retirement, including that for women. The respondents formed their personal longevity expectations based on their family history and, to a lesser degree, on the actuarial life tables. Most of the sample expressed no desire to life past age 100 years, even if the enabling technologies required to maintain a healthy youthful state were available, and only a few respondents in the sample expressed a desire to live for the maximum period (at least) offered by the survey question. The majority of the respondents would not undergo any invasive procedures, and only 56% of the respondents would opt for noninvasive therapies to extend their healthy lifespans to 150 years of age if these were available.

  8. Characteristics and generation of secondary jets and secondary gigantic jets

    Science.gov (United States)

    Lee, Li-Jou; Huang, Sung-Ming; Chou, Jung-Kung; Kuo, Cheng-Ling; Chen, Alfred B.; Su, Han-Tzong; Hsu, Rue-Rou; Frey, Harald U.; Takahashi, Yukihiro; Lee, Lou-Chuang

    2012-06-01

    Secondary transient luminous events (TLEs) recorded by the ISUAL-FORMOSAT2 mission can either be secondary jets or secondary gigantic jets (GJs), depending on their terminal altitudes. The secondary jets emerge from the cloud top beneath the preceding sprites and extend upward to the base of the sprites at ˜50 km. The secondary jets likely are negative electric discharges with vertically straight luminous columns, morphologically resembling the trailing jet of the type-I GJs. The number of luminous columns in a secondary jet seems to be affected by the size of the effective capacitor plate formed near the base of the preceding sprites and the charge distribution left behind by the sprite-inducing positive cloud-to-ground discharges. The secondary GJs originate from the cloud top under the shielding area of the preceding sprites, and develop upward to reach the lower ionosphere at ˜90 km. The observed morphology of the secondary GJs can either be the curvy shifted secondary GJs extending outside the region occupied by the preceding sprites or the straight pop-through secondary GJs developing through the center of the preceding circular sprites. A key factor in determining the terminal height of the secondary TLEs appears to be the local ionosphere boundary height that established by the preceding sprites. The abundance and the distribution of the negative charge in the thundercloud following the sprite-inducing positive cloud-to-ground discharges may play important role in the generation of the secondary TLEs.

  9. QUANTIFYING BENEFITS FOR COST-BENEFIT ANALYSIS

    OpenAIRE

    Attila GYORGY; Nicoleta VINTILA; Florian GAMAN

    2014-01-01

    Cost Benefit Analysis is one of the most widely used financial tools to select future investment projects in public and private sector. This method is based on comparing costs and benefits in terms of constant prices. While costs are easier to predict and monetize, the benefits should be identified not only in direct relation with the investment, but also widening the sphere of analysis to indirect benefits experienced by the community from the neighbourhood or the whole society. During finan...

  10. Effect of EM Bokashi application on control of secondary soil salinization

    Directory of Open Access Journals (Sweden)

    Shao Xiaohou

    2008-12-01

    Full Text Available In order to ameliorate saline-alkaline soil, EM Bokashi has been applied to rice production in conjunction with subdrainage in Ningxia Autonomous Region and Zhejiang Province. The preliminary results can be summarized as follows: EM Bokashi can increase soil organic matter content, improve soil porosity and permeability, and raise the soil's levels of available nutrients; and EM Bokashi combined with subdrainage treatment is more effective in controlling secondary soil salinization and raising the grain yield and quality than other treatments. The results suggest that EM Bokashi can reduce the necessary amount of chemical fertilizer application, thereby improving the agricultural environment, and that the introduction of EM Bokashi into systems of secondary soil salinization control systems has resulted in significant benefits.

  11. Magnetic mapping for structural geology and geothermal exploration in Guadeloupe, Lesser Antilles

    Science.gov (United States)

    Mercier de Lépinay, jeanne; munschy, marc; geraud, yves; diraison, marc; navelot, vivien; verati, christelle; corsini, michel; lardeaux, jean marc; favier, alexiane

    2017-04-01

    This work is implemented through the GEOTREF program which benefits from the support of both the ADEME and the French public funds "Investments for the future". The program focuses on the exploration for geothermal resources in Guadeloupe, Lesser Antilles, where a geothermal power plant is in production since 1986 (Bouillante, Basse Terre). In Les Saintes archipelago, in the south of Guadeloupe, the outcrop analysis of Terre-de-Haut Island allows to point out an exhumed geothermal paleo-system that is thought to be an analogue of the Bouillante active geothermal system. We show that a detailed marine magnetic survey with a quantitative interpretation can bring information about the offshore structures around Les Saintes archipelago in order to extend the geological limits and structural elements. A similar survey and workflow is also conducted offshore Basse-Terre where more geophysical data is already available. In order to correctly link the offshore and onshore structures, the magnetic survey must be close enough to the shoreline and sufficiently detailed to correctly outline the tectonic structures. An appropriate solution for such a survey is to use a three component magnetometer aboard a speedboat. Such a boat allows more navigation flexibility than a classic oceanic vessel towing a magnetometer; it can sail at higher speed on calm seas and closer to the shoreline. This kind of magnetic acquisition is only viable because the magnetic effect of the ship can be compensated using the same algorithms than those used for airborne magnetometry. The use of potential field transforms allows a large variety of structures to be highlighted, providing insights to build a general understanding of the nature and distribution of the magnetic sources. In particular, we use the tilt angle operator to better identify the magnetic lineaments offshore in order to compare them to the faults identified onshore during the outcrop analysis. All the major faults and fractures

  12. Family Benefits In Member States Of The European Union: A Comparative Perspective

    Directory of Open Access Journals (Sweden)

    Stănescu Simona Maria

    2015-06-01

    Full Text Available The article intends to be a screening of family benefits in the 28 Member States of the European Union (EU and to contribute to the research of shared trends with respect to family approach in these countries. Four types of family benefits including eight distinctive categories are analysed: child-benefit, child care allowances, child-raising allowances, and other benefits (birth and adoption grants, allowance for single parents, special allowances for children with disabilities, advance payments for maintenance and other allowances. The paper is based on primary and secondary analysis of 28 sets of national data provided through the European Union's Mutual Information System on Social Protection (MISSOC. Three categories of member states are considered: founder member states of the EU, other “old” member states, and the new Central and Eastern ones. Chronological development of national regulations with impact on family benefits is analysed in connection with the moment of becoming a member state. Various forms of family benefits legislation and their main subjects of interest are further researched. The last part of the article looks at the coverage of family benefits. Seven member states operate in this respect based on regulations adopted before EU accession. Belgium, Finland, and Lithuania have the “most preserved” family regulations per category of member states. The first three topics of family regulations are: child, family, and allowance / benefit. The most frequently provided family benefits are: birth and adoption grants, and special allowance for children with disabilities. All eight family benefits are provided in France, Finland, Hungary, and Slovenia. Only two types of family benefits are available in Ireland, Spain, and Cyprus.

  13. Illustrating the benefit of using hourly monitoring data on secondary inorganic aerosol and its precursors for model evaluation

    NARCIS (Netherlands)

    Schaap, M.; Otjes, R.P.; Weijers, E.P.

    2010-01-01

    Secondary inorganic aerosol, most notably ammonium nitrate and ammonium sulphate, is an important contributor to ambient particulate mass and provides a means for long range transport of acidifying components. The modelling of the formation and fate of these components is challenging. Especially,

  14. Illustrating the benefit of using hourly monitoring data on secondary inorganic aerosol and its precursors for model evaluation

    NARCIS (Netherlands)

    Schaap, M.; Otjes, R.P.; Weijers, E.P.

    2011-01-01

    Secondary inorganic aerosol, most notably ammonium nitrate and ammonium sulphate, is an important contributor to ambient particulate mass and provides a means for long range transport of acidifying components. The modelling of the formation and fate of these components is challenging. Especially,

  15. Illustrating the benefit of using hourly monitoring data on secondary inorganic aerosol and its precursors for model evaluation

    Directory of Open Access Journals (Sweden)

    M. Schaap

    2011-11-01

    Full Text Available Secondary inorganic aerosol, most notably ammonium nitrate and ammonium sulphate, is an important contributor to ambient particulate mass and provides a means for long range transport of acidifying components. The modelling of the formation and fate of these components is challenging. Especially, the formation of the semi-volatile ammonium nitrate is strongly dependent on ambient conditions and the precursor concentrations. For the first time an hourly artefact free data set from the MARGA instrument is available for the period of a full year (1 August 2007 to 1 August 2008 at Cabauw, the Netherlands. This data set is used to verify the results of the LOTOS-EUROS model. The comparison showed that the model underestimates the SIA levels. Closer inspection revealed that base line values appear well estimated for ammonium and sulphate and that the underestimation predominantly takes place at the peak concentrations. For nitrate the variability towards high concentrations is much better captured, however, a systematic relative underestimation was found. The model is able to reproduce many features of the intra-day variability observed for SIA. Although the model captures the seasonal and average diurnal variation of the SIA components, the modelled variability for the nitrate precursor gas nitric acid is much too large. It was found that the thermodynamic equilibrium module produces a too stable ammonium nitrate in winter and during night time in summer, whereas during the daytime in summer it is too unstable. We recommend to improve the model by verification of the equilibrium module, inclusion of coarse mode nitrate and to address the processes concerning SIA formation combined with a detailed analysis of the data set at hand. The benefit of the hourly data with both particulate and gas phase concentrations is illustrated and a continuation of these measurements may prove to be very useful in future model evaluation and improvement studies. Based

  16. National evaluation of the benefits and risks of greater structuring and coding of the electronic health record: exploratory qualitative investigation.

    Science.gov (United States)

    Morrison, Zoe; Fernando, Bernard; Kalra, Dipak; Cresswell, Kathrin; Sheikh, Aziz

    2014-01-01

    We aimed to explore stakeholder views, attitudes, needs, and expectations regarding likely benefits and risks resulting from increased structuring and coding of clinical information within electronic health records (EHRs). Qualitative investigation in primary and secondary care and research settings throughout the UK. Data were derived from interviews, expert discussion groups, observations, and relevant documents. Participants (n=70) included patients, healthcare professionals, health service commissioners, policy makers, managers, administrators, systems developers, researchers, and academics. Four main themes arose from our data: variations in documentation practice; patient care benefits; secondary uses of information; and informing and involving patients. We observed a lack of guidelines, co-ordination, and dissemination of best practice relating to the design and use of information structures. While we identified immediate benefits for direct care and secondary analysis, many healthcare professionals did not see the relevance of structured and/or coded data to clinical practice. The potential for structured information to increase patient understanding of their diagnosis and treatment contrasted with concerns regarding the appropriateness of coded information for patients. The design and development of EHRs requires the capture of narrative information to reflect patient/clinician communication and computable data for administration and research purposes. Increased structuring and/or coding of EHRs therefore offers both benefits and risks. Documentation standards within clinical guidelines are likely to encourage comprehensive, accurate processing of data. As data structures may impact upon clinician/patient interactions, new models of documentation may be necessary if EHRs are to be read and authored by patients.

  17. Cost-benefit analysis of comprehensive mental health prevention programs in Japanese workplaces: a pilot study.

    Science.gov (United States)

    Iijima, Sachiko; Yokoyama, Kazuhito; Kitamura, Fumihiko; Fukuda, Takashi; Inaba, Ryoichi

    2013-01-01

    We examined the implementation of mental health prevention programs in Japanese workplaces and the costs and benefits. A cross-sectional survey targeting mental health program staff at 11 major companies was conducted. Questionnaires explored program implementation based on the guidelines of the Japanese Ministry of Health, Labor and Welfare. Labor, materials, outsourcing costs, overheads, employee mental discomfort, and absentee numbers, and work attendance were examined. Cost-benefit analyses were conducted from company perspectives assessing net benefits per employee and returns on investment. The surveyed companies employ an average of 1,169 workers. The implementation rate of the mental health prevention programs was 66% for primary, 51% for secondary, and 60% for tertiary programs. The program's average cost was 12,608 yen per employee and the total benefit was 19,530 yen per employee. The net benefit per employee was 6,921 yen and the return on investment was in the range of 0.27-16.85. Seven of the 11 companies gained a net benefit from the mental health programs.

  18. Cultivating secondary traumatic growth among healthcare workers: the role of social support and self-efficacy.

    Science.gov (United States)

    Shoji, Kotaro; Bock, Judith; Cieslak, Roman; Zukowska, Katarzyna; Luszczynska, Aleksandra; Benight, Charles C

    2014-09-01

    This 2-study longitudinal investigation examined the indirect effects of secondary traumatic stress (STS) on secondary traumatic growth via two mediators: perceived social support and secondary trauma self-efficacy. In particular, we tested if the 2 hypothetical mediators operate sequentially, that is, with secondary trauma self-efficacy facilitating social support (i.e., cultivation hypothesis) and/or social support enhancing self-efficacy (i.e., enabling hypothesis). Participants in Study 1 (N = 293 at Time 1, N = 115 at Time 2) were behavioral healthcare providers working with U.S. military personnel suffering from trauma. Study 2 was conducted among Polish healthcare workers (N = 298 at Time 1, N = 189 at Time 2) providing services for civilian survivors of traumatic events. In both studies, multiple mediational analyses showed evidence for the cultivation hypothesis. The relationship between STS at Time 1 and secondary traumatic growth at Time 2 was mediated sequentially by secondary trauma self-efficacy at Time 1 and social support at Time 2. The enabling hypothesis was not supported. Education and development programs for healthcare workers may benefit from boosting self-efficacy with the intent to facilitate perceived social support. © 2014 Wiley Periodicals, Inc.

  19. Cost of delivering secondary-level health care services through public sector district hospitals in India

    Directory of Open Access Journals (Sweden)

    Shankar Prinja

    2017-01-01

    Interpretation & conclusions: The estimates obtained in our study can be used for Fiscal planning of scaling up secondary-level health services. Further, these may be particularly useful for future research such as benefit-incidence analysis, cost-effectiveness analysis and national health accounts including disease-specific accounts in India.

  20. A Systematic Review of the Benefits of Hiring People with Disabilities.

    Science.gov (United States)

    Lindsay, Sally; Cagliostro, Elaine; Albarico, Mikhaela; Mortaji, Neda; Karon, Leora

    2018-02-01

    Purpose We reviewed literature on the benefits of hiring people with disabilities. Increasing attention is being paid to the role of people with disabilities in the workplace. Although most research focuses on employers' concerns, many companies are now beginning to share their successes. However, there is no synthesis of the peer-reviewed literature on the benefits of hiring people with disabilities. Methods Our team conducted a systematic review, completing comprehensive searches of seven databases from 1997 to May 2017. We selected articles for inclusion that were peer-reviewed publications, had a sample involving people with disabilities, conducted an empirical study with at least one outcome focusing on the benefits of hiring people with disabilities, and focused on competitive employment. Two reviewers independently applied the inclusion criteria, extracted the data, and rated the study quality. Results Of the 6176 studies identified in our search, 39 articles met our inclusion criteria. Findings show that benefits of hiring people with disabilities included improvements in profitability (e.g., profits and cost-effectiveness, turnover and retention, reliability and punctuality, employee loyalty, company image), competitive advantage (e.g., diverse customers, customer loyalty and satisfaction, innovation, productivity, work ethic, safety), inclusive work culture, and ability awareness. Secondary benefits for people with disabilities included improved quality of life and income, enhanced self-confidence, expanded social network, and a sense of community. Conclusions There are several benefits to hiring people with disabilities. Further research is needed to explore how benefits may vary by type of disability, industry, and job type.

  1. Senior Benefits

    Science.gov (United States)

    Information Medicaid Public Health Centers Temporary "Cash" Assistance Senior Benefits Program GovDelivery Skip Navigation Links Health and Social Services > Public Assistance > Senior Benefits Page Content Senior Benefits Senior Benefits Logo Senior Benefits Fact Sheet - June, 2016 Reduction Information

  2. Including RNA secondary structures improves accuracy and robustness in reconstruction of phylogenetic trees.

    Science.gov (United States)

    Keller, Alexander; Förster, Frank; Müller, Tobias; Dandekar, Thomas; Schultz, Jörg; Wolf, Matthias

    2010-01-15

    In several studies, secondary structures of ribosomal genes have been used to improve the quality of phylogenetic reconstructions. An extensive evaluation of the benefits of secondary structure, however, is lacking. This is the first study to counter this deficiency. We inspected the accuracy and robustness of phylogenetics with individual secondary structures by simulation experiments for artificial tree topologies with up to 18 taxa and for divergency levels in the range of typical phylogenetic studies. We chose the internal transcribed spacer 2 of the ribosomal cistron as an exemplary marker region. Simulation integrated the coevolution process of sequences with secondary structures. Additionally, the phylogenetic power of marker size duplication was investigated and compared with sequence and sequence-structure reconstruction methods. The results clearly show that accuracy and robustness of Neighbor Joining trees are largely improved by structural information in contrast to sequence only data, whereas a doubled marker size only accounts for robustness. Individual secondary structures of ribosomal RNA sequences provide a valuable gain of information content that is useful for phylogenetics. Thus, the usage of ITS2 sequence together with secondary structure for taxonomic inferences is recommended. Other reconstruction methods as maximum likelihood, bayesian inference or maximum parsimony may equally profit from secondary structure inclusion. This article was reviewed by Shamil Sunyaev, Andrea Tanzer (nominated by Frank Eisenhaber) and Eugene V. Koonin. Reviewed by Shamil Sunyaev, Andrea Tanzer (nominated by Frank Eisenhaber) and Eugene V. Koonin. For the full reviews, please go to the Reviewers' comments section.

  3. Technology use as a support tool by secondary students with autism.

    Science.gov (United States)

    Hedges, Susan H; Odom, Samuel L; Hume, Kara; Sam, Ann

    2018-01-01

    The purpose of this study was to examine how secondary students with autism spectrum disorder use technology in supportive ways. In this self-report survey study, 472 adolescents with autism spectrum disorder enrolled in high school described the forms of technology they use and purposes for which they use it. Students reported the benefits as well as barriers to technology use at school. They reported using technology in school and home settings in a variety of supportive ways such as increasing their independence, reducing their anxiety, and increasing their social opportunities. Findings suggest that practitioners may benefit from learning how to integrate technology as an instructional and support tool for their students with autism spectrum disorder. Recommendations for future research are provided.

  4. Genetic risk, coronary heart disease events, and the clinical benefit of statin therapy: an analysis of primary and secondary prevention trials.

    Science.gov (United States)

    Mega, J L; Stitziel, N O; Smith, J G; Chasman, D I; Caulfield, M; Devlin, J J; Nordio, F; Hyde, C; Cannon, C P; Sacks, F; Poulter, N; Sever, P; Ridker, P M; Braunwald, E; Melander, O; Kathiresan, S; Sabatine, M S

    2015-06-06

    Genetic variants have been associated with the risk of coronary heart disease. In this study, we tested whether or not a composite of these variants could ascertain the risk of both incident and recurrent coronary heart disease events and identify those individuals who derive greater clinical benefit from statin therapy. A community-based cohort study (the Malmo Diet and Cancer Study) and four randomised controlled trials of both primary prevention (JUPITER and ASCOT) and secondary prevention (CARE and PROVE IT-TIMI 22) with statin therapy, comprising a total of 48,421 individuals and 3477 events, were included in these analyses. We studied the association of a genetic risk score based on 27 genetic variants with incident or recurrent coronary heart disease, adjusting for traditional clinical risk factors. We then investigated the relative and absolute risk reductions in coronary heart disease events with statin therapy stratified by genetic risk. We combined data from the different studies using a meta-analysis. When individuals were divided into low (quintile 1), intermediate (quintiles 2-4), and high (quintile 5) genetic risk categories, a significant gradient in risk for incident or recurrent coronary heart disease was shown. Compared with the low genetic risk category, the multivariable-adjusted hazard ratio for coronary heart disease for the intermediate genetic risk category was 1·34 (95% CI 1·22-1·47, pgenetic risk category was 1·72 (1·55-1·92, pgenetic risk categories. Similarly, we noted greater absolute risk reductions in those individuals in higher genetic risk categories (p=0·0101), resulting in a roughly threefold decrease in the number needed to treat to prevent one coronary heart disease event in the primary prevention trials. Specifically, in the primary prevention trials, the number needed to treat to prevent one such event in 10 years was 66 in people at low genetic risk, 42 in those at intermediate genetic risk, and 25 in those at high

  5. Disease control through fertility control: Secondary benefits of animal birth control in Indian street dogs.

    Science.gov (United States)

    Yoak, Andrew J; Reece, John F; Gehrt, Stanley D; Hamilton, Ian M

    2014-01-01

    We sought to (1) survey sexually intact street dogs for a wide range of diseases in three cities in Rajasthan, India and (2) evaluate links between the health of non-treated dogs and both the presence and duration of animal birth control (ABC) programs. ABC regimes sterilize and vaccinate stray dogs in an attempt to control their population and the spread of rabies. They are commonly suggested to improve the health of those dogs they serve, but here we provide evidence that these benefits also extend to untreated dogs in the community. Viral and bacterial disease seroprevalences were assessed in 240 sexually intact street dogs from Jaipur, Jodhpur, and Sawai Madhopur cities in October and September 2011. Those individuals and 50 additional dogs were assessed for the presence of ticks, fleas, fight wounds, and given body condition scores. Dogs in cities with an ABC program had with significantly (pdogs in cities with ABC programs had significantly higher prevalence of Brown Dog Tick (Rhipicephalus sanguineus) infestations. Canine parvovirus and Brucella canis prevalences were not significantly different between cities. This study is the first to demonstrate the health benefits of ABC on non-vaccinated diseases and non-treated individuals. Copyright © 2013 The Authors. Published by Elsevier B.V. All rights reserved.

  6. A virulent clone of Devriesea agamarum affects endangered Lesser Antillean iguanas (Iguana delicatissima).

    Science.gov (United States)

    Hellebuyck, Tom; Questel, Karl; Pasmans, Frank; Brantegem, Leen Van; Philip, Pascal; Martel, An

    2017-10-02

    Infectious diseases affecting wildlife are drivers of global biodiversity loss. Here we report a bacterial threat to endangered wild reptiles. Since April 2011, a severe skin disease has affected free-ranging, endangered Lesser Antillean iguanas (Iguana delicatissima) on the French Caribbean island of Saint Barthélemy and we identified Devriesea agamarum as the causative agent. The presence of this bacterium was also demonstrated in healthy lizards (anoles) co-inhabiting the island. All isolates from the iguanas corresponded to a single AFLP genotype that until now has exclusively been associated with infections in lizard species in captivity. The clonal relatedness of the isolates and recent emergence of the disease suggest recent arrival of a virulent D. agamarum clone on the island. The presence of healthy but infected lizards suggests the presence of asymptomatic reservoir hosts. This is the first description of a bacterial disease that poses a conservation threat towards free-ranging squamates.

  7. [Secondary benefits of cognitive rehabilitation for a chronic ethylic patient: effects on disorder consciousness, motivation, and global therapeutic cooperation].

    Science.gov (United States)

    Siccardi, L; Vautel-Pons, D; dos Santos, M Teixera; Camus, N; Louchart de la Chapelle, S

    2014-06-01

    Alcoholism causes psychological, behavioral and cognitive symptoms that need to be addressed together. The neuropsychological alterations among alcohol-dependent people are considered to make the therapeutic work complex and longer. A cognitive rehabilitation program is sometimes difficult to achieve with these patients. Functional results are often difficult to anticipate. However, the consequences of this therapeutic approach are multiple and there are many interactions between psycho-affective, behavioral and cognitive components. A neuropsychological approach can be used like a tool to improve metacognition. A bad contribution to treatment programs is often secondary to the illusion of a satisfying intellectual functioning. Patients' motivation for the therapeutic work is very changeable. A complete consciousness of impairments can help them to stay involved. The following case shows the cognitive effects and secondary benefits associated with a neuropsychological work, which was carried out by a chronic ethylic patient with severe physical and cognitive symptoms. The patient aged 50, with a good qualification level (scientific section in the final year of secondary school, with no diploma, then attended a training program to become a croupier) was suffering from chronic alcoholism since his adolescence. He arrived in the closed unit after many hospitalizations in psychiatric and hepato-gastroenterology units. He had been showing mental confusion. He presented a frontal and subcortical profile of alcohol-related dementia according to Oslin's criteria. MRI revealed global cerebral atrophy, more pronounced on the fronto-parietal cortex with cerebellar leukoencephalopathy, but no pontine central myelinolysis. The neurocognitive program had two main lines: reducing attentional, executive and graphical deficits with training exercises (individual and group sessions) and compensating memory, and executive disorders with an external aid. The cognitive program had been

  8. Efficacy of etanercept in patients with AA amyloidosis secondary to rheumatoid arthritis.

    Science.gov (United States)

    Nakamura, T; Higashi, S; Tomoda, K; Tsukano, M; Baba, S

    2007-01-01

    The efficacy of biological therapies in rheumatoid arthritis (RA) is well known, but their hypothetical benefit in amyloid A (AA) amyloidosis secondary to RA still remains to be considered. We evaluated the efficacy and safety of etanercept in serum amyloid A (SAA) 1.3 allele Japanese patients with AA amyloidosis secondary to RA. Seven RA patients with histologically confirmed AA amyloidosis and renal involvement who were treated with etanercept were enrolled. They all had the SAA1.3 allele, which has been shown to be a risk factor not only for the association of AA amyloidosis but also for a poor prognosis in Japanese RA patients. Efficacy was assessed as a sustained decrease in RA inflammation and an amelioration of renal function. RA inflammation and AA amyloidosis were improved and stabilized after 43.4 +/- 16.5 weeks. At week 20 the number of tender (p = 0.017) and swollen (p = 0.017) joints, and levels of serum C-reactive protein (p = 0.018) and albumin (p = 0.045) had improved. The values for SAA, serum creatinine, calculated creatinine clearance, and proteinuria also ameliorated. No severe adverse events were observed. One patient eventually had to go on hemodialysis but her tolerance of etanercept remained stable. Etanercept can be used safely and effectively in AA amyloidosis secondary to RA with renal involvement, and is of clinical benefit in the short-term, even in patients on hemodialysis. It appears that SAA1.3 allele may be used as a clinical parameter for the introduction of etanercept in Japanese RA with AA amyloidosis.

  9. Increasing self-efficacy in learning to program: exploring the benefits of explicit instruction for problem solving

    Directory of Open Access Journals (Sweden)

    Irene Govender

    2014-07-01

    Full Text Available The difficulty of learning to program has long been identified amongst novices. This study explored the benefits of teaching a problem solving strategy by comparing students’ perceptions and attitudes towards problem solving before and after the strategy was implemented in secondary schools. Based on self-efficacy theory, students’ problem solving self-efficacy as well as teachers’ self-efficacy were investigated, showing that both students’ and teachers’ self-efficacy may have benefited from the explicit instruction. This would imply that teaching problem solving explicitly should be encouraged to increase self-efficacy to program.

  10. Microscopic aspects of electrosensory system on the partially euryhaline lesser guitarfish

    Directory of Open Access Journals (Sweden)

    BIANCA S. RANGEL

    2017-12-01

    Full Text Available ABSTRACT The electrosensory system on elasmobranchs consists of subcutaneous electroreceptor organs known as ampullae of Lorenzini. The present study investigated the ampullae of Lorenzini morphology of the lesser guitarfish Zapteryx brevirostris, using light microscopy and scanning electron microscopy. The pore number found in the ventral skin surface is much higher than that found in the dorsal portion, characteristic of species that inhabit the euphotic zone. Under light microscopy it was possible to observe that the wall canal consists of a single layer of squamous epithelial cells. The canal features distal expansion, where the ampullae are located with up to six alveoli. The sensory epithelium of ampullae is composed by cubic cells, with oval nucleus, restricted to the interior of the alveoli. With analysis the clusters under scanning electron microscopy, it was possible to observe the structure and the random arrangement of individual ampullae, canals and nerves. The distribution of dorsal and ventral pores and ampullae in Z. brevirostris resembled those of the same family. The number of alveoli per ampullae was similar to that found in euryhaline elasmobranchs species, suggesting that the morphological organization in Z. brevirostris is linked to its possible evolutionary transitory position among batoids.

  11. Probabilistic hurricane-induced storm surge hazard assessment in Guadeloupe, Lesser Antilles

    Science.gov (United States)

    Krien, Y.; Dudon, B.; Roger, J.; Zahibo, N.

    2015-08-01

    Current storm surge hazard maps in the French West Indies are essentially based on simple statistical methods using limited historical data and early low-resolution models which do not take the effect of waves into account. In this paper, we infer new 100-year and 1000-year surge levels in Guadeloupe from the numerical modelling of storm surges induced by a large set of synthetic events that are in statistical agreement with features of historical hurricanes in the North Atlantic Basin between 1980 and 2011. Computations are performed using the wave-current coupled model ADCIRC-SWAN with high grid resolutions (up to 40-60 m) in the coastal and wave dissipation areas. This model is validated against observations during past events such as hurricane HUGO (1989). Results are generally found to be in reasonable agreement with past studies in areas where surge is essentially wind-driven, but found to differ significantly in coastal regions where the transfer of momentum from waves to the water column constitutes a non-negligible part of the total surge. The methodology, which can be applied to other islands in the Lesser Antilles, allows storm surge level maps to be obtained that can be of major interest for coastal planners and decision makers in terms of risk management.

  12. Butyrate Inhibits Cancerous HCT116 Colon Cell Proliferation but to a Lesser Extent in Noncancerous NCM460 Colon Cells.

    Science.gov (United States)

    Zeng, Huawei; Taussig, David P; Cheng, Wen-Hsing; Johnson, LuAnn K; Hakkak, Reza

    2017-01-01

    Butyrate, an intestinal microbiota metabolite of dietary fiber, exhibits chemoprevention effects on colon cancer development. However, the mechanistic action of butyrate remains to be determined. We hypothesize that butyrate inhibits cancerous cell proliferation but to a lesser extent in noncancerous cells through regulating apoptosis and cellular-signaling pathways. We tested this hypothesis by exposing cancerous HCT116 or non-cancerous NCM460 colon cells to physiologically relevant doses of butyrate. Cellular responses to butyrate were characterized by Western analysis, fluorescent microscopy, acetylation, and DNA fragmentation analyses. Butyrate inhibited cell proliferation, and led to an induction of apoptosis, genomic DNA fragmentation in HCT116 cells, but to a lesser extent in NCM460 cells. Although butyrate increased H3 histone deacetylation and p21 tumor suppressor expression in both cell types, p21 protein level was greater with intense expression around the nuclei in HCT116 cells when compared with that in NCM460 cells. Furthermore, butyrate treatment increased the phosphorylation of extracellular-regulated kinase 1/2 (p-ERK1/2), a survival signal, in NCM460 cells while it decreased p-ERK1/2 in HCT116 cells. Taken together, the activation of survival signaling in NCM460 cells and apoptotic potential in HCT116 cells may confer the increased sensitivity of cancerous colon cells to butyrate in comparison with noncancerous colon cells.

  13. Trauma centers with higher rates of angiography have a lesser incidence of splenectomy in the management of blunt splenic injury.

    Science.gov (United States)

    Capecci, Louis M; Jeremitsky, Elan; Smith, R Stephen; Philp, Frances

    2015-10-01

    Nonoperative management (NOM) for blunt splenic injury (BSI) is well-established. Angiography (ANGIO) has been shown to improve success rates with NOM. Protocols for NOM are not standardized and vary widely between centers. We hypothesized that trauma centers that performed ANGIO at a greater rate would demonstrate decreased rates of splenectomy compared with trauma centers that used ANGIO less frequently. A large, multicenter, statewide database (Pennsylvania Trauma Systems Foundation) from 2007 to 2011 was used to generate the study cohort of patients with BSI (age ≥ 13). The cohort was divided into 2 populations based on admission to centers with high (≥13%) or low (Splenectomy rates were then compared between the 2 groups, and multivariable logistic regression for predictors of splenectomy (failed NOM) were also performed. The overall rate of splenectomy in the entire cohort was 21.0% (1,120 of 5,333 BSI patients). The high ANGIO group had a lesser rate of splenectoy compared with the low ANGIO group (19% vs 24%; P splenectomy compared with low ANGIO centers (odds ratio, 0.68; 95% CI 0.58-0.80; P splenectomy rates compared with centers with lesser rate of ANGIO. Inclusion of angiographic protocols for NOM of BSI should be considered strongly. Copyright © 2015 Elsevier Inc. All rights reserved.

  14. Teachers' Perceptions and Attitudes toward the Implementation of Web 2.0 Tools in Secondary Education

    Science.gov (United States)

    Quadri, Lekan Kamil

    2014-01-01

    Researchers have concluded that Web 2.0 technologies offered many educational benefits. However, many secondary teachers in a large northwestern school district were not using Web 2.0 tools in spite of its possibilities for teaching and learning. The purpose of this quantitative correlational research was to explore the relationships between the…

  15. Dipyridamole plus aspirin versus aspirin alone in the secondary prevention after TIA or stroke: a meta-analysis by risk

    OpenAIRE

    Halkes, P.H.A.; Gray, Laura J.; Bath, Philip M.W.; Diener, Hans-Christoph; Guiraud-Chaumeil, B.

    2008-01-01

    Objectives: Our aim was to study the effect of combination therapy with aspirin and dipyridamole (A+D) over aspirin alone (ASA) in secondary prevention after transient \\ud ischemic attack or minor stroke of presumed arterial origin and to perform subgroup analyses to identify patients that might benefit most from secondary prevention with A+D.\\ud Data sources: The previously published meta-analysis of individual patient data was updated with data from ESPRIT (N=2,739); trials without data on ...

  16. Including RNA secondary structures improves accuracy and robustness in reconstruction of phylogenetic trees

    Directory of Open Access Journals (Sweden)

    Dandekar Thomas

    2010-01-01

    Full Text Available Abstract Background In several studies, secondary structures of ribosomal genes have been used to improve the quality of phylogenetic reconstructions. An extensive evaluation of the benefits of secondary structure, however, is lacking. Results This is the first study to counter this deficiency. We inspected the accuracy and robustness of phylogenetics with individual secondary structures by simulation experiments for artificial tree topologies with up to 18 taxa and for divergency levels in the range of typical phylogenetic studies. We chose the internal transcribed spacer 2 of the ribosomal cistron as an exemplary marker region. Simulation integrated the coevolution process of sequences with secondary structures. Additionally, the phylogenetic power of marker size duplication was investigated and compared with sequence and sequence-structure reconstruction methods. The results clearly show that accuracy and robustness of Neighbor Joining trees are largely improved by structural information in contrast to sequence only data, whereas a doubled marker size only accounts for robustness. Conclusions Individual secondary structures of ribosomal RNA sequences provide a valuable gain of information content that is useful for phylogenetics. Thus, the usage of ITS2 sequence together with secondary structure for taxonomic inferences is recommended. Other reconstruction methods as maximum likelihood, bayesian inference or maximum parsimony may equally profit from secondary structure inclusion. Reviewers This article was reviewed by Shamil Sunyaev, Andrea Tanzer (nominated by Frank Eisenhaber and Eugene V. Koonin. Open peer review Reviewed by Shamil Sunyaev, Andrea Tanzer (nominated by Frank Eisenhaber and Eugene V. Koonin. For the full reviews, please go to the Reviewers' comments section.

  17. Functional food supplements to ameliorate the secondary complications in high fructose fed diabetic rats.

    Science.gov (United States)

    Gite, S S; Yadav, S A; Nilegaonkar, S S; Agte, V V

    2017-05-24

    Functional foods are the most natural and safest source of health ingredients, providing health benefits beyond basic nutrition, and hence can be used as supplements for the prevention of secondary complications in diabetes. Persistent diabetes may cause glycation of various tissue proteins such as of those in lens, kidney, blood, and brain, which may further lead to the development of pathological conditions such as cataract and cardiovascular diseases. This study on adult rats was designed to assess if the functional food supplements A and B (proprietary blends of antioxidant rich plant materials) can reduce secondary complications such as cataract, dyslipidemia, and oxidative stress under severe diabetic conditions. After nine weeks of intervention of the supplements, it was found that the % HbA1c levels in the formulation group B significantly (p functional foods in the effective management of secondary complications associated with severe diabetic conditions.

  18. [Brachytherapy for Prostate Cancer: Potentials and Limitations of Social Health Insurance Data for Benefit Assessment].

    Science.gov (United States)

    Horenkamp-Sonntag, D; Linder, R; Engel, S; Verheyen, F

    2016-05-01

    Due to the insufficient data base the Federal Joint Committee (G-BA) had in 2009 after 7 years of deliberation decided to initiate consultation regarding ambulatory brachytherapy for localised prostate cancer for 10 years from social health insurance (SHI) benefits. The aim is to gain more findings by means of comparative studies. Based on the non-availability of clinical primary data of a methodologically acceptable level, it was analysed to what extent secondary data of the SHI may be used in order to arrive at valid conclusions for benefit aspects. As base approx. 8 million insured of TK with their data of cost reimbursement between 2006 and 2011 were considered. In SHI secondary data no clinical information regarding tumour stage and other prognostic factors are available. Therefore, a novel method with therapy-specific multisectoral inclusion and exclusion criteria, respectively, was developed in order to differentiate between localised and advanced tumours of the prostate. Overall survival, relapse-free survival, event-free survival and side-effects associated to prostate cancer were analysed. Out of 87 822 insured persons with the diagnosis prostate cancer, 795 with PBT, 10 936 with RP and 1 925 with EBRT were investigated in detail. The 4-year event-free survival rate was 73% for RP, 77% for PBT and 71% for EBRT. Many prostate cancer-specific side effects appeared already before intervention. Side effects of the intestinal tract (23.8%) and sexual impairments (26.5%) were more frequent for EBRT than for RP (17.1%/14.8%) and PBT (16.4%/13.2%). By means of SHI secondary data and adequate operationalisation important findings regarding relevant aspects of prostate cancer in healthcare research can be generated. However, these hold methodological limitations and are not suited to draw valid conclusions for benefit assessment. Based solely on SHI routine data valid statements regarding comparative benefit assessment are limited. Limitations could be

  19. Radiological contribution in the treatment of primary and secondary liver tumors

    International Nuclear Information System (INIS)

    Mathias, K.; Hoffmann, G.; Loeffler, T.; Hausamen, T.

    1986-01-01

    The prognosis of patients with primary and secondary liver tumors has been improved recently by more aggressive operative, chemotherapeutic and embolization treatment. In a personal series of 40 patients with liver metastases colorectal cancer, regional intraarterial chemotherapy was superior to systematic intravenous treatment, with a tumor remission rate in 66% in comparison to 48% of the cases. But the benefit of intraarterial chemotherapy is still questionable considering the higher complication rate and the absence of prognostic data of the procedure. (orig.) [de

  20. Ultra-differentiation of Sperm Tail of Lesser Egyptian Jerboa, Jaculus jaculus (Family: Dipodidae

    Directory of Open Access Journals (Sweden)

    Osama M. Sarhan

    2016-01-01

    Full Text Available In the present study, events of sperm tail differentiation in Lesser Egyptian Jerboa, Jaculus jaculus were studied for the first time. Generally, stages of sperm tail differentiation are more or less similar to that described by other studies in other rodents. In the present species, special structures were observed. These structures include, first: the formation of a hollow large unit of microtubules that appears to surround the nuclear envelope at its equatorial plane. The manchette microtubules (MMs are re-oriented toward the longitudinal direction and attached along hollow large unit of microtubules. Second, the formation of perinuclear space filled with an electron-translucent substance surrounds the posterior third of the developing nucleus. Third, the nuclear fossa and the connecting piece were inserted in the ventrodorsal region of the nucleus. Fourth, the fibrous sheath (FS is formed of dextral spiral fibrous ribs. Finally, the sperm tail of the present species has a single outer FS, however, other rodents, having additional inner fibrous units, between the outer FS and the inner developing axoneme.

  1. Nutrient Content of Four Lesser – Known Green Leafy Vegetables ...

    African Journals Online (AJOL)

    Nigeria. U. E. Inyang. Department of Food Science and Technology, University of Uyo, Uyo, AkwaIbom State, Nigeria ... Green leafy vegetables as components of traditional foods .... promoting benefits of high fibre diets have made this class.

  2. The lesser evil? Initiating a benzodiazepine prescription in general practice

    Science.gov (United States)

    Anthierens, Sibyl; Habraken, Hilde; Petrovic, Mirko; Christiaens, Thierry

    2007-01-01

    Objective Chronic benzodiazepine (BZD) use is widespread and linked with adverse effects. There is consensus concerning the importance of initiating BZD as a crucial moment. Nevertheless specific research in this field is lacking. This paper addresses the views of GPs on why they start prescribing BZDs to first-time users. Design Qualitative study with five focus groups analysed using a systematic content analysis. Setting Regions of Ghent and Brussels in Belgium. Subjects A total of 35 general practitioners. Main outcome measure The GPs’ perspective on their initiating of BZD prescribing. Results GPs reported that they are cautious in initiating BZD usage. At the same time, GPs feel overwhelmed by the psychosocial problems of their patients. They show empathy by prescribing. They feel in certain situations there are no other solutions and they experience BZDs as the lesser evil. They admit to resorting to BZDs because of time restraint and lack of alternatives. GPs do not perceive the addictive nature of BZD consumption as a problem with first-time users. GPs do not specifically mention patients’ demand as an element for starting. Conclusion The main concern of GPs is to help the patient. GPs should be aware of the addictive nature of BZD even in low doses and a non-pharmacological approach should be seen as the best first approach. If GPs decide to prescribe a BZD they should make plain to the patient that the medication is only a “temporary” solution with clear agreements with regard to medication withdrawal. PMID:18041658

  3. Secondary Education and Health Outcomes in Young People from the Cape Area Panel Study (CAPS)

    Science.gov (United States)

    2016-01-01

    Aim Education is one of the strongest social determinants of health, yet previous literature has focused on primary education. We examined whether there are additional benefits to completing upper secondary compared to lower secondary education in a middle-income country. Methods We performed a longitudinal analysis of the Cape Area Panel Study, a survey of adolescents living in South Africa. We undertook causal modeling using structural marginal models to examine the association between level of education and various health outcomes, using inverse probability weighting to control for sex, age, ethnicity, home language, income, whether employed in past year, region of birth, maternal educational status, marital status, whether currently pregnant and cognitive ability. Educational attainment was defined as primary (grades 1–7), lower secondary (grades 8–9) or upper secondary (grades 10–12). Results Of 3,432 participants, 165 (4.8%) had completed primary education, 646 (18.8%) lower secondary and 2,621 (76.3%) upper secondary. Compared to those completing lower secondary, males completing upper secondary education were less likely to have a health problem (OR 0.49; 95%CI 0.27–0.88; p = 0.02); describe their health as poor (0.52; 0.29–0.95; p = 0.03) or report that health interferes with daily life (0.54; 0.29–0.99; p = 0.047). Females were less likely to have been pregnant (0.45; 0.33–0.61; peducation and alcohol use, psychological distress, obesity, increased waist circumference or hypertension. Conclusion Completing upper secondary education was associated with improved health outcomes compared with lower secondary education. Expanding upper secondary education offers middle-income countries an effective way of improving adolescent health. PMID:27280408

  4. Isotopic composition of strontium in three basalt-andesite centers along the Lesser Antilles arc

    Science.gov (United States)

    Hedge, C.E.; Lewis, J.F.

    1971-01-01

    Si87/Sr86 ratios have been determined for lavas and py lastic rocks from three basalt-andesite centers along the Lesser Antilles arc-Mt. Misery on the island of St. Kitts, Soufriere on the island of St. Vincent, and Carriacou, an island of The Grenadines. The average Si87/Sr86 content of these rocks is 0.7038 for Mt. Misery, 0.7041 for Soufriere, and 0.7053 for Carriacou. All the Sr87/Sr86 values from each center are the same within analytical uncertainty (??0.0002). The constancy of strontium isotopic data within each center supports the hypothesis that basalts and andesites for each specific center investigated are generated from the same source - in agreement with petrographic and major- and minor-element data. Strontium isotopic compositions and elemental concentrations, particularly of strontium and nickel, indicate that this source was mantle peridotite and that the relationship between the respective basalts and andesites is probably fractional crystallization. ?? 1971 Springer-Verlag.

  5. Strain-Level Diversity of Secondary Metabolism in Streptomyces albus

    Science.gov (United States)

    Seipke, Ryan F.

    2015-01-01

    Streptomyces spp. are robust producers of medicinally-, industrially- and agriculturally-important small molecules. Increased resistance to antibacterial agents and the lack of new antibiotics in the pipeline have led to a renaissance in natural product discovery. This endeavor has benefited from inexpensive high quality DNA sequencing technology, which has generated more than 140 genome sequences for taxonomic type strains and environmental Streptomyces spp. isolates. Many of the sequenced streptomycetes belong to the same species. For instance, Streptomyces albus has been isolated from diverse environmental niches and seven strains have been sequenced, consequently this species has been sequenced more than any other streptomycete, allowing valuable analyses of strain-level diversity in secondary metabolism. Bioinformatics analyses identified a total of 48 unique biosynthetic gene clusters harboured by Streptomyces albus strains. Eighteen of these gene clusters specify the core secondary metabolome of the species. Fourteen of the gene clusters are contained by one or more strain and are considered auxiliary, while 16 of the gene clusters encode the production of putative strain-specific secondary metabolites. Analysis of Streptomyces albus strains suggests that each strain of a Streptomyces species likely harbours at least one strain-specific biosynthetic gene cluster. Importantly, this implies that deep sequencing of a species will not exhaust gene cluster diversity and will continue to yield novelty. PMID:25635820

  6. The Level of Utilization of Secondary Timber Species among Furniture Producers

    Directory of Open Access Journals (Sweden)

    Charles Antwi-Boasiako

    2016-06-01

    Full Text Available Background and Purpose: Inadequate supply of wood raw material is one of the major obstacles for the global furniture industry’s growth. Several secondary timbers/Lesser-Utilized-Species (LUS that could substitute the scarce traditional timbers for furniture production exist in tropical forests. However, the industry continuously faces persistent timber shortages. The extent to which manufacturers utilize LUS as alternatives is unclear, which this study sought to ascertain. Materials and Methods: Data were collected from 300 Timber Firms from Ghana primarily through questionnaires using the stratified random sampling technique. Results: Continuous decline and non-availability of preferred traditional timbers and competition from imported furniture were the main challenges confronting the furniture industry. Data obtained indicated that most manufacturers (85% hardly use any LUS; 44% of these mentioned lack of information on their properties and prospective uses and 32% attributed it to non-availability on the domestic timber markets. However, 22% of these producers rely on traditionally ‘well-known’ timbers (e.g. mixed red wood, Guarea cedrata and Tectona grandis owing to their strength properties, 20% due to their strength and durability and 14% because of their strength and aesthetic properties. Many LUS (with prospects for furniture-making available in great quantities in many tropical forests could substitute the over-dependent timbers. However, information on their properties and uses are hardly available to local producers, which affects their popularity among timber suppliers and manufacturers. Conclusion: To improve on the level of utilization of secondary timbers, wood workers must be supplied with comprehensive information about their properties and economic values. This will contribute to reducing pressure on the primary timbers, ensuring consistent supply of timber and keeping the sector operational.

  7. [Nurse involvement in primary care: it is the key to improve the outcomes in primary and secondary prevention?].

    Science.gov (United States)

    Scardi, Sabino; Gori, Pierpaolo; Umari, Paolo

    2010-06-01

    Difficulties in management of risk factors, lifestyle and medications adherence to achieve secondary prevention of ischemic heart disease were described. Many studies indicate that the benefit of cardiac rehabilitation therapy after acute coronary events is only partially maintained during the following year. Thereafter, new strategies of medical care are needed to improve the long-term outcomes in coronary patients. Nurse co-ordinated, multidisciplinary cardiac rehabilitative programme could help patients to improve their lifestyle, to control their risk factors and to achieve their therapeutic goals for secondary prevention of ischemic heart disease.

  8. Artificial engineering of secondary lymphoid organs.

    Science.gov (United States)

    Tan, Jonathan K H; Watanabe, Takeshi

    2010-01-01

    Secondary lymphoid organs such as spleen and lymph nodes are highly organized immune structures essential for the initiation of immune responses. They display distinct B cell and T cell compartments associated with specific stromal follicular dendritic cells and fibroblastic reticular cells, respectively. Interweaved through the parenchyma is a conduit system that distributes small antigens and chemokines directly to B and T cell zones. While most structural aspects between lymph nodes and spleen are common, the entry of lymphocytes, antigen-presenting cells, and antigen into lymphoid tissues is regulated differently, reflecting the specialized functions of each organ in filtering either lymph or blood. The overall organization of lymphoid tissue is vital for effective antigen screening and recognition, and is a feature which artificially constructed lymphoid organoids endeavor to replicate. Synthesis of artificial lymphoid tissues is an emerging field that aims to provide therapeutic application for the treatment of severe infection, cancer, and age-related involution of secondary lymphoid tissues. The development of murine artificial lymphoid tissues has benefited greatly from an understanding of organogenesis of lymphoid organs, which has delineated cellular and molecular elements essential for the recruitment and organization of lymphocytes into lymphoid structures. Here, the field of artificial lymphoid tissue engineering is considered including elements of lymphoid structure and development relevant to organoid synthesis. (c) 2010 Elsevier Inc. All rights reserved.

  9. Issues and remedies for secondary system of PWR/VVER

    International Nuclear Information System (INIS)

    Nordmann, F.; Odar, S.; Rochester, D.

    2012-01-01

    Secondary side degradation of steam generators (SG) tubing with Alloy 600 MA and flow accelerated corrosion (FAC) of carbon steel have been for a long time important issues for the secondary system of PWR and VVER. With the beneficial evolution of the design (for instance the replacement of Alloy 600 SG tubing), the most important issues are progressively moving to a larger variety of risks associated to potential inadequate chemistries. The best remedies for mitigating the new concerns are: -) selecting a steam water treatment able to minimize the quantity of corrosion products transported to the steam generator, -) mitigating the risk of flow induced vibration by a proper control of deposits in sensitive areas, -) minimizing the risk of concentration of impurities in local areas where they may induce corrosion. The paper also explains: -) the benefit of eliminating or by pass of condensate polishers, -) the absence of need for expensive lead investigation, if no specific pollution occurred, -) the absence of need for very low oxygen in the condensate water, and -) the necessary and optimum number of on-line monitors

  10. 20 CFR 416.421 - Determination of benefits; computation of prorated benefits.

    Science.gov (United States)

    2010-04-01

    ... 20 Employees' Benefits 2 2010-04-01 2010-04-01 false Determination of benefits; computation of prorated benefits. 416.421 Section 416.421 Employees' Benefits SOCIAL SECURITY ADMINISTRATION SUPPLEMENTAL SECURITY INCOME FOR THE AGED, BLIND, AND DISABLED Amount of Benefits § 416.421 Determination of benefits...

  11. BenefitClaimWebServiceBean/BenefitClaimWebService

    Data.gov (United States)

    Department of Veterans Affairs — A formal or informal request for a type of monetary or non-monetary benefit. This service provides benefit claims and benefit claim special issues data, allows the...

  12. Hydrologically complemented deterministic slope stability analysis in part of Indian Lesser Himalaya

    Directory of Open Access Journals (Sweden)

    John Mathew

    2016-09-01

    Full Text Available This study uses a deterministic approach to evaluate the factor of safety (FS of the terrain for different hydrological conditions, in part of Indian Lesser Himalaya. The results indicate sudden increase in the percentage unstable area from 7.5% to 13.8% for rainfall intensity variation from 50 to 100 mm/day. For the rainfall intensity of 15 August 2007 which caused many landslides in the study area, 18.5% of the total area was unstable and it increases to 21.7%, 23.5% and 24.7%, respectively, for rainfall intensities corresponding to 10, 25 and 50 year return periods. This increment stagnates at about 260 mm/day, making about 25% of the area unstable. Higher rainfall intensities make progressively gentler slopes unstable, but limited to 25 degrees of slope in this area. The area underlain by granitic gneiss showed 23.1% of area as unstable for 135 mm/day of rainfall intensity, and was followed by those areas underlain by amphibolite (16%, limestone (13.7% and quartzite (10.4%. Receiver operating characteristic (ROC curve analysis has given 84.2% accuracy for the model. Conversion of FS to failure probability through Z scores enables identification unstable or marginally unstable areas, for planning selective slope stabilization measures.

  13. Retiree health benefits-vesting of welfare benefits-early retirement-duty to bargain-termination of benefits-estoppel.

    Science.gov (United States)

    2010-01-01

    Poore v. Simpson Paper Co., 2009 U.S. App. LEXIS 11170 (9th Cir. Or. May 21, 2009). To be able to sue under ERISA, retirement health plan participants need not show that their benefits are vested the same way pension benefits are vested; the rights to the benefits need not be fixed or unalterable, rather, the employee must have an entitlement to the benefits.

  14. Predictive MRI correlates of lesser metatarsophalangeal joint plantar plate tear

    Energy Technology Data Exchange (ETDEWEB)

    Umans, Rachel L. [Cornell University Medical College, New York, NY (United States); Umans, Benjamin D. [Harvard University, Cambridge, MA (United States); Umans, Hilary [Albert Einstein College of Medicine, Bronx, NY (United States); Lenox Hill Radiology and Imaging Associates, New York, NY (United States); Elsinger, Elisabeth [Albert Einstein College of Medicine, Bronx, NY (United States); Montefiore Medical Center, Bronx, NY (United States)

    2016-07-15

    To identify correlated signs on non-enhanced MRI that might improve diagnostic detection of plantar plate (PP) tear. We performed an IRB-approved, HIPAA-compliant retrospective analysis of 100 non-contrast MRI (50 PP tear, 50 controls). All were anonymized, randomized, and reviewed; 20 were duplicated to assess consistency. One musculoskeletal radiologist evaluated qualitative variables. A trained non-physician performed measurements. Consistency and concordance were assessed. Pearson's Chi-square test was used to test the correlation between qualitative findings and PP tear status. Correlation between measurements and PP status was assessed using t tests and Wilcoxon's rank-sum test (p values < 0.05 considered significant). Classification and regression trees were utilized to identify attributes that, taken together, would consistently distinguish PP tear from controls. Quantitative measurements were highly reproducible (concordance 0.88-0.99). Elevated 2nd MT protrusion, lesser MT supination and rotational divergence of >45 between the 1st-2nd MT axis correlated with PP tear. Pericapsular soft tissue thickening correlated most strongly with PP tear, correctly classifying 95 % of cases and controls. Excluding pericapsular soft tissue thickening, sequential assessment of 2nd toe enthesitis, 2nd flexor tendon subluxation, and splaying of the second and third toes accurately classified PP status in 92 %. Pericapsular soft tissue thickening most strongly correlated with PP tear. For cases in which it might be difficult to distinguish pericapsular fibrosis from neuroma, sequential assessment of 2nd toe enthesitis, flexor tendon subluxation and splaying of the 2nd and 3rd toe is most helpful for optimizing accurate diagnosis of PP tear. (orig.)

  15. Intercontinental gene flow among western arctic populations of Lesser Snow Geese

    Science.gov (United States)

    Shorey, Rainy I.; Scribner, Kim T.; Kanefsky, Jeannette; Samuel, Michael D.; Libants, Scot V.

    2011-01-01

    Quantifying the spatial genetic structure of highly vagile species of birds is important in predicting their degree of population demographic and genetic independence during changing environmental conditions, and in assessing their abundance and distribution. In the western Arctic, Lesser Snow Geese (Chen caerulescens caerulescens) provide an example useful for evaluating spatial population genetic structure and the relative contribution of male and female philopatry to breeding and wintering locales. We analyzed biparentally inherited microsatellite loci and maternally inherited mtDNA sequences from geese breeding at Wrangel Island (Russia) and Banks Island (Canada) to estimate gene flow among populations whose geographic overlap during breeding and winter differ. Significant differences in the frequencies of mtDNA haplotypes contrast with the homogeneity of allele frequencies for microsatellite loci. Coalescence simulations revealed high variability and asymmetry between males and females in rates and direction of gene flow between populations. Our results highlight the importance of wintering areas to demographic independence and spatial genetic structure of these populations. Male-mediated gene flow among the populations on northern Wrangel Island, southern Wrangel Island, and Banks Island has been substantial. A high rate of female-mediated gene flow from southern Wrangel Island to Banks Island suggests that population exchange can be achieved when populations winter in a common area. Conversely, when birds from different breeding populations do not share a common wintering area, the probability of population exchange is likely to be dramatically reduced.

  16. Abundance and density of lesser prairie-chickens and leks in Texas

    Science.gov (United States)

    Timmer, Jennifer M.; Butler, M.J.; Ballard, Warren; Boal, Clint W.; Whitlaw, Heather A.

    2013-01-01

    Lesser prairie-chickens (LEPCs; Tympanuchus pallidicinctus) have experienced population declines due to both direct and indirect habitat loss, including conversion of native rangeland to cropland and disturbance from energy development. Our objectives were to 1) determine the current density of LEPC leks and LEPCs within the Texas (USA) occupied range, including areas with high potential for wind-energy development; and 2) find new leks. To estimate lek and LEPC density, we employed a line-transect-based aerial survey method using a Robinson 22 helicopter to count leks. We surveyed 26,810.9 km of transect in the spring of 2010 and 2011 and we detected 96 leks. We estimated a density of 2.0 leks/100 km(2) (90% CI = 1.4-2.7 leks/100 km(2)) and 12.3 LEPCs/100 km(2) (90% CI = 8.5-17.9 LEPCs/100 km(2)) and an abundance of 293.6 leks (90% CI = 213.9-403.0 leks) and 1,822.4 LEPCs (90% CI = 1,253.7-2,649.1 LEPCs) for our sampling frame. Our best model indicated that lek size and lek type (AIC(c) wt = 0.235) influenced lek detectability. Lek detectability was greater for larger leks and natural leks versus man-made leks. Our statewide survey efforts provide wildlife managers and biologists with population estimates, new lek locations, and areas to target for monitoring and conservation.

  17. Adaptive benefits of differential post-fledging development patterns ...

    African Journals Online (AJOL)

    Measurements of five morphological components (mass, skull length, culmen, flattened wing and tarsus) and blood samples were taken from 154 fledged wild Lesser Flamingos Phoenicopterus minor captured during 2001 and 2002 at Lake Bogoria, Kenya (0°11'–20'N, 036°06'E). The sample included adults (>3 years old), ...

  18. Environmental Behavior of Secondary Education Students: A Case Study at Central Greece

    Directory of Open Access Journals (Sweden)

    Stamatios Ntanos

    2018-05-01

    Full Text Available During the last three decades, human behavior has been becoming energy alarming towards environmental sustainability. One of the most influential initiatives towards environmental protection and increased environmental consciousness is the solidification of primary and secondary environmental education. The purpose of this paper is to investigate different environmental profiles amongst secondary education students, in light of a multi-parametric analysis that involved the contributive role of school and family towards environmental awareness and participation. By reviewing relevant studies, the benefits offered by environmental education are presented. Accordingly, a questionnaire survey was deployed using a sample of 270 secondary education students, from schools situated in the prefecture of Larissa, central Greece. The statistical methods included factor analysis and cluster analysis. Particularly, four groups of different environmental characteristics are identified and interviewed. Results suggest that most students are environmental affectionate, although there is a need for more solidified environmental education and motivation from out-of-school societal opportunities, such as in the contexts of family and public socialization. The deployed research method and analysis can be proven supportive in adopting and scheduling school environmental programs after an initial identification of the various environmental attitudes among the student population.

  19. Taxonomic diversity dynamics of early cretaceous brachiopods and gastropods in the Azerbaijanian domains of the Lesser Caucasus (Neo-Tethys Ocean

    Directory of Open Access Journals (Sweden)

    Ruban Dmitry A.

    2014-01-01

    Full Text Available Palaeontological data available from the Azerbaijanian domains (Somkhit-Agdam, Sevan-Karabakh, and Miskhan-Kafan tectonic zones of the Lesser Caucasus permit reconstruction of the regional taxonomic diversity dynamics of two groups of Early Cretaceous marine benthic invertebrates. Stratigraphical ranges of 31 species and 14 genera of brachiopods and 40 species and 31 genera of gastropods are considered. The total number of species and genera of brachiopods was low in the Berriasian-Valanginian and then rose to peak in the Barremian. Then, the diversity declined in the Aptian, and brachiopods are not known regionally from the Albian. Gastropods appeared in the Hauterivian and experienced a strong radiation in the Barremian. The diversity of species and genera declined in the Aptian (with a minor radiation in the Middle Aptian, and no gastropods are reported from the Albian. Globally, the number of brachiopod genera remained stable through the Early Cretaceous, and the number of gastropod genera increased stepwise with the maximum in the Albian. The regional and global patterns of the diversity dynamics differed for the both groups of marine benthic invertebrates. The Barremian maximum of the taxonomic diversity coincided with the regional flourishing of reefal ecosystems. The taxonomic diversity dynamics of brachiopods in the Azerbaijanian domains of the Lesser Caucasus is very similar to those of the Northern Caucasus, which is an evidence of proximity of these regions during the Early Cretaceous.

  20. Raptor community composition in the Texas Southern High Plains lesser prairie-chicken range

    Science.gov (United States)

    Behney, A.C.; Boal, Clint W.; Whitlaw, Heather A.; Lucia, D.R.

    2012-01-01

    Predation can be a factor in preventing prey population growth and sustainability when prey populations are small and fragmented, and when predator density is unrelated to the density of the single prey species. We conducted monthly raptor surveys from February 2007 to May 2009 in adjacent areas of the Texas Southern High Plains (USA) that do and do not support lesser prairie-chickens (Tympanuchus pallidicinctus), a candidate for protection under the Endangered Species Act. During the summer period corresponding to prairie-chicken nesting and brood-rearing, Swainson's hawks (Buteo swainsoni) were the most abundant raptor. During the lekking and overwintering period, the raptor community was diverse, with northern harriers (Circus cyaneus) being the most abundant species. Raptor abundance peaked during the early autumn and was lowest during the spring. Utility poles were a significant predictor of raptor density at survey points and Swainson's hawks and all raptors, pooled, were found in greater densities in non-prairie-chicken habitat dominated by mesquite (Prosopis glandulosa). Avian predation risk on prairie-chickens, based on presence and abundance of raptors, appears to be greatest during winter when there is a more abundant and diverse raptor community, and in areas with utility poles.

  1. Ontario Universities Benefits Survey, 1990-91: Part I, Benefits Excluding Pensions.

    Science.gov (United States)

    Council of Ontario Universities, Toronto.

    The report details, in tabular form, non-pension benefits offered by each of 17 Ontario universities. These include: supplementary health insurance; long term disability; sick leave entitlement; sick leave-benefits continuance; long term disability-benefits continuance; life insurance; survivor benefit; dental plan; post-retirement benefits;…

  2. Secondary Chemistry School Teachers Working in Tertiary Education Chemistry Departments; Critical Reflections on the Positives and Negatives

    Science.gov (United States)

    Glover, S. R.; Harrison, T. G.; Shallcross, D. E.

    2016-01-01

    Several UK University Chemistry Departments have former secondary school chemistry teachers employed as School Teacher Fellows (STF) who are heavily involved in outreach work and a range of teaching responsibilities. This study looks at the outreach role from the point of view of several of the STFs; the benefits, and the barriers and how this…

  3. Effectiveness and Cost-benefit Evaluation of a Comprehensive Workers' Health Surveillance Program for Sustainable Employability of Meat Processing Workers.

    Science.gov (United States)

    van Holland, Berry J; Reneman, Michiel F; Soer, Remko; Brouwer, Sandra; de Boer, Michiel R

    2018-03-01

    Objective To evaluate the effectiveness of a comprehensive workers' health surveillance (WHS) program on aspects of sustainable employability and cost-benefit. Methods A cluster randomized stepped wedge trial was performed in a Dutch meat processing company from february 2012 until march 2015. In total 305 workers participated in the trial. Outcomes were retrieved during a WHS program, by multiple questionnaires, and from company registries. Primary outcomes were sickness absence, work ability, and productivity. Secondary outcomes were health, vitality, and psychosocial workload. Data were analyzed with linear and logistic multilevel models. Cost-benefit analyses from the employer's perspective were performed as well. Results Primary outcomes sickness absence (OR = 1.40), work ability (B = -0.63) and productivity (OR = 0.71) were better in the control condition. Secondary outcomes did not or minimally differ between conditions. Of the 12 secondary outcomes, the only outcome that scored better in the experimental condition was meaning of work (B = 0.18). Controlling for confounders did not or minimally change the results. However, our stepped wedge design did not enable adjustment for confounding in the last two periods of the trial. The WHS program resulted in higher costs for the employer on the short and middle term. Conclusions Primary outcomes did not improve after program implementation and secondary outcomes remained equal after implementation. The program was not cost-beneficial after 1-3 year follow-up. Main limitation that may have contributed to absence of positive effects may be program failure, because interventions were not deployed as intended.

  4. The balance of benefit: a review of intergenerational transfers in Australia.

    Science.gov (United States)

    Legge, V; O'Loughlin, K

    2000-10-01

    This article reviews the financial and nonfinancial transfers taking place intergenerationally and between older people and the community. Secondary data were used in the analysis and discussion to provide an overview of the Australian context. Within the public arena, governments provide major financial contributions through money transfers and the provision of residential support. Older people provide considerable community support by undertaking voluntary services. This article concludes that the balance of benefit is difficult to determine; however, in terms of public expenditure older people are major recipients. Within the family, the balance of benefit is reversed. Older people are major monetary contributors to adult children and their families in the transition to an independent status. Older people are also the principal carers of their frail-aged partners, thus reducing both the burden of care on their adult children and government institutions. The analysis reported here has major implications for the development of policy and structural change and for reducing negative stereotypes of dependency in old age.

  5. 3-D Magnetotelluric Investigations for geothermal exploration in Martinique (Lesser Antilles). Characteristic Deep Resistivity Structures, and Shallow Resistivity Distribution Matching Heliborne TEM Results

    OpenAIRE

    Coppo , Nicolas; Baltassat , Jean-Michel; Girard , Jean-François; Wawrzyniak , Pierre; Hautot , Sophie; Tarits , Pascal; Jacob , Thomas; Martelet , Guillaume; Mathieu , Francis; Gadalia , Alain; Bouchot , Vincent; Traineau , Hervé

    2015-01-01

    International audience; Within the framework of a global French program oriented towards the development of renewable energies, Martinique Island (Lesser Antilles, France) has been extensively investigated (from 2012 to 2013) through an integrated multi-methods approach, with the aim to define precisely the potential geothermal ressources, previously highlighted (Sanjuan et al., 2003). Amongst the common investigation methods deployed, we carried out three magnetotelluric (MT) surveys located...

  6. University Benefits Survey. Part 1 (All Benefits Excluding Pensions).

    Science.gov (United States)

    University of Western Ontario, London.

    Results of a 1983 survey of benefits, excluding pensions, for 17 Ontario, Canada, universities are presented. Information is provided on the following areas: whether the university self-administers insurance plans, communication of benefits, proposed changes in benefits, provision of life and dismemberment insurance, maternity leave policy,…

  7. Development of secondary woodland in oak wood pastures reduces the richness of rare epiphytic lichens.

    Directory of Open Access Journals (Sweden)

    Heidi Paltto

    Full Text Available Wooded pastures with ancient trees were formerly abundant throughout Europe, but during the last century, grazing has largely been abandoned often resulting in dense forests. Ancient trees constitute habitat for many declining and threatened species, but the effects of secondary woodland on the biodiversity associated with these trees are largely unknown. We tested for difference in species richness, occurrence, and abundance of a set of nationally and regionally red-listed epiphytic lichens between ancient oaks located in secondary woodland and ancient oaks located in open conditions. We refined the test of the effect of secondary woodland by also including other explanatory variables. Species occurrence and abundance were modelled jointly using overdispersed zero-inflated Poisson models. The richness of the red-listed lichens on ancient oaks in secondary woodland was half of that compared with oaks growing in open conditions. The species-level analyses revealed that this was mainly the result of lower occupancy of two of the study species. The tree-level abundance of one species was also lower in secondary woodland. Potential explanations for this pattern are that the study lichens are adapted to desiccating conditions enhancing their population persistence by low competition or that open, windy conditions enhance their colonisation rate. This means that the development of secondary woodland is a threat to red-listed epiphytic lichens. We therefore suggest that woody vegetation is cleared and grazing resumed in abandoned oak pastures. Importantly, this will also benefit the vitality of the oaks.

  8. The benefits of integrating cost-benefit analysis and risk assessment

    International Nuclear Information System (INIS)

    Fisher, K.; Clarke-Whistler, K.

    1995-01-01

    It has increasingly been recognized that knowledge of risks in the absence of benefits and costs cannot dictate appropriate public policy choices. Recent evidence of this recognition includes the proposed EPA Risk Assessment and Cost-Benefit Analysis Act of 1995, a number of legislative changes in Canada and the US, and the increasing demand for field studies combining measures of impacts, risks, costs and benefits. Failure to consider relative environmental and human health risks, benefits, and costs in making public policy decisions has resulted in allocating scarce resources away from areas offering the highest levels of risk reduction and improvements in health and safety. The authors discuss the implications of not taking costs and benefits into account in addressing environmental risks, drawing on examples from both Canada and the US. The authors also present the results of their recent field work demonstrating the advantages of considering costs and benefits in making public policy and site remediation decisions, including a study on the benefits and costs of prevention, remediation and monitoring techniques applied to groundwater contamination; the benefits and costs of banning the use of chlorine; and the benefits and costs of Canada's concept of disposing of high-level nuclear waste. The authors conclude that a properly conducted Cost-Benefit Analysis can provide critical input to a Risk Assessment and can ensure that risk management decisions are efficient, cost-effective and maximize improvement to environmental and human health

  9. Online benefits solutions--a new trend in managing employee benefits programs.

    Science.gov (United States)

    Ala, Mohammad; Brunaczki, Bernadette

    2003-01-01

    This article focuses on the array of online benefits solutions offered by technology companies and reports the benefits to both employers and employees. Some of the benefits include reduced paperwork, reduced errors, and reduced administration costs. Companies that can deliver these benefits will be in great demand to help manage benefits programs and streamline the administrative processes.

  10. Previous success and current body condition determine breeding propensity in Lesser Scaup: evidence for the individual heterogeneity hypothesis

    Science.gov (United States)

    Warren, Jeffrey M.; Cutting, Kyle A.; Takekawa, John Y.; De La Cruz, Susan E. W.; Williams, Tony D.; Koons, David N.

    2014-01-01

    The decision to breed influences an individual's current and future reproduction, and the proportion of individuals that breed is an important determinant of population dynamics. Age, experience, individual quality, and environmental conditions have all been demonstrated to influence breeding propensity. To elucidate which of these factors exerts the greatest influence on breeding propensity in a temperate waterfowl, we studied female Lesser Scaup (Aythya affinis) breeding in southwestern Montana. Females were captured during the breeding seasons of 2007–2009, and breeding status was determined on the basis of (1) presence of an egg in the oviduct or (2) blood plasma vitellogenin (VTG) levels. Presence on the study site in the previous year, a proxy for adult female success, was determined with stable isotope signatures of a primary feather collected at capture. Overall, 57% of females had evidence of breeding at the time of capture; this increased to 86% for females captured on or after peak nest initiation. Capture date and size-adjusted body condition positively influenced breeding propensity, with a declining body-condition threshold through the breeding season. We did not detect an influence of age on breeding propensity. Drought conditions negatively affected breeding propensity, reducing the proportion of breeding females to 0.85 (SE = 0.05) from 0.94 (SE = 0.03) during normal-water years. A female that was present in the previous breeding season was 5% more likely to breed than a female that was not present then. The positive correlation between age and experience makes it difficult to differentiate the roles of age, experience, and individual quality in reproductive success in vertebrates. Our results indicate that individual quality, as expressed by previous success and current body condition, may be among the most important determinants of breeding propensity in female Lesser Scaup, providing further support for the individual heterogeneity hypothesis.

  11. [Effect of different fertilization treatments on yield and secondary metabolites of Codonopsis pilosula].

    Science.gov (United States)

    Hu, Jia-Dong; Mao, Ge; Zhang, Zhi-Wei; Ma, Cun-de; Liang, Zong-Suo; Xia, Guang-Dong; Dong, Juan-E

    2017-08-01

    The research studies the effect of different fertilization treatments on yield and accumulation of secondary metabolites of Codonopsis pilosula by using single factor randomized block design, in order to ensure reasonable harvesting time and fertilization ratio, and provide the basis for standardized cultivation of C. pilosula. According to the clustering results, the nitrogen fertilizer benefitted for the improvement of root diameter and biomass of C. pilosula. The phosphate fertilizer could promote the content of C. pilosula polysaccharide. The organic fertilizers could increase the content of lobetyolin. With the time going on, C. pilosula's yield, polysaccharide and ehanol-soluble extracts increased while the content of lobetyolin decreased. According to various factors, October is a more reasonable harvest period. Organic fertilizers are more helpful to the yield and accumulation of secondary metabolites of C. pilosula. Copyright© by the Chinese Pharmaceutical Association.

  12. Secondary Evaluations.

    Science.gov (United States)

    Cook, Thomas D.

    Secondary evaluations, in which an investigator takes a body of evaluation data collected by a primary evaluation researcher and examines the data to see if the original conclusions about the program correspond with his own, are discussed. The different kinds of secondary evaluations and the advantages and disadvantages of each are pointed out,…

  13. Stratigraphy of the Grande Savane Ignimbrite Sequence, Dominica, Lesser Antilles

    Science.gov (United States)

    Schneider, S.; Smith, A. L.; Deuerling, K.; Killingsworth, N.; Daly, G.

    2007-12-01

    The island of Dominica, located in the central part of the Lesser Antilles island arc has eight potentially active volcanoes. One of these, Morne Diablotins, is a composite stratovolcano with several superimposed stratigraphic sequences ranging in age from Pliocene (4-2 Ma) to "Younger" Pleistocene (22,000 and >40,000 years B.P. The ignimbrite sequences form four flow fans that reached both the east and west coasts of the island. One of these flow fans, the Grande Savane, on the west coast of the island, also extends off-shore for a distance of at least 14 km as a distinctive submarine fan. Stratigraphical studies of the on- shore deposits that make up this fan indicate an older sequence of block and ash flow deposits, within which occurs a distinctive vulcanian fall deposit. These are overlain, with no evidence of an intervening paleosol, by a sequence of ignimbrites containing welded horizons (ranging in thickness from around 4 m to 16m). The lack of fall deposits beneath the ignimbrites suggest they may have been formed by instantaneous continuous collapse of the eruption column. This whole succession is overlain by a series of planar and dune bedded pumiceous surge deposits with interbedded pumiceous lapilli fall and ash fall deposits, that extend laterally outside of the main area of ignimbrite deposition. Beds within this upper sequence often contain accretionary lapilli and gas cavities suggesting magma-water interaction. The youngest deposits from Morne Diablotins appear to be valley- fill deposits of both ignimbrite and block and ash flow. A comparison of the of the Grande Savane pyroclastic sequence with the Pointe Ronde (west coast) and Londonderry (east coast) pyroclastic flow fans will provide information on the eruptive history of this major Plinian episode.

  14. Benefits, Barriers and Prerequisites for Web 2.0 Learning Activities in the Classroom: The View of Greek Pioneer Teachers

    Science.gov (United States)

    Palaigeorgiou, George; Grammatikopoulou, Athina

    2016-01-01

    Purpose: This paper aims to identify the learning benefits and the challenges of Web 2.0 educational activities when applied in typical learning settings and as perceived by pioneer educators with extensive Web 2.0 experience. Design/Methodology/Approach: The testimonies of 26 Greek primary and secondary education teachers were collected. All…

  15. Secondary use of clinical data: the Vanderbilt approach.

    Science.gov (United States)

    Danciu, Ioana; Cowan, James D; Basford, Melissa; Wang, Xiaoming; Saip, Alexander; Osgood, Susan; Shirey-Rice, Jana; Kirby, Jacqueline; Harris, Paul A

    2014-12-01

    The last decade has seen an exponential growth in the quantity of clinical data collected nationwide, triggering an increase in opportunities to reuse the data for biomedical research. The Vanderbilt research data warehouse framework consists of identified and de-identified clinical data repositories, fee-for-service custom services, and tools built atop the data layer to assist researchers across the enterprise. Providing resources dedicated to research initiatives benefits not only the research community, but also clinicians, patients and institutional leadership. This work provides a summary of our approach in the secondary use of clinical data for research domain, including a description of key components and a list of lessons learned, designed to assist others assembling similar services and infrastructure. Copyright © 2014 Elsevier Inc. All rights reserved.

  16. Nuclear-Renewable Energy Systems Secondary Product Market Analysis Study

    Energy Technology Data Exchange (ETDEWEB)

    Deason, Wesley Ray [Idaho National Lab. (INL), Idaho Falls, ID (United States)

    2015-06-01

    In order to properly create a program surrounding the development of any technological concept it is necessary to fully understand the market in which it is being developed. In the case of Integrated Nuclear-Renewable Hybrid Energy Systems (HES), there are two economic markets in which it must be able to participate in: the electricity market and the secondary product market associated with the specific system. The purpose of the present report is to characterize the secondary product market in the U.S. and to provide recommendations for further developing the HES program. While HESs have been discussed in depth in many other reports, it is helpful to discuss them briefly in the present work [REF]. The concept of the HES can be deduced to a system, featuring a combination of a nuclear power plant, a renewable energy source, and an industrial manufacturing plant . The system is designed in a fashion that allows it either to produce electricity or to manufacture a secondary product as needed. The primary benefit of this concept lies in its ability to maximize economic performance of the integrated system and to manufacture products in a carbon-free manner. A secondary benefit is the enhanced supply-side flexibility gained by allowing the HES to economically provide grid services. A key tenant to nuclear power plant economics in today’s electricity market is their ability to operate at a very high capacity factor. Unfortunately, in regions with a high penetration of renewable energy, the carbon free energy produced by nuclear power may not be needed at all times. This forces the nuclear power plant to find a user for its excess capacity. This may include paying the electric grid to find a user, releasing energy to the environment by ‘dumping steam’, or reducing power. If the plant is unable to economically or safely do any of these actions, the plant is at risk of being shutdown. In order to allow for nuclear power plants to continue to contribute carbon free

  17. Nuclear-Renewable Energy Systems Secondary Product Market Analysis Study

    International Nuclear Information System (INIS)

    Deason, Wesley Ray

    2015-01-01

    In order to properly create a program surrounding the development of any technological concept it is necessary to fully understand the market in which it is being developed. In the case of Integrated Nuclear-Renewable Hybrid Energy Systems (HES), there are two economic markets in which it must be able to participate in: the electricity market and the secondary product market associated with the specific system. The purpose of the present report is to characterize the secondary product market in the U.S. and to provide recommendations for further developing the HES program. While HESs have been discussed in depth in many other reports, it is helpful to discuss them briefly in the present work [REF]. The concept of the HES can be deduced to a system, featuring a combination of a nuclear power plant, a renewable energy source, and an industrial manufacturing plant . The system is designed in a fashion that allows it either to produce electricity or to manufacture a secondary product as needed. The primary benefit of this concept lies in its ability to maximize economic performance of the integrated system and to manufacture products in a carbon-free manner. A secondary benefit is the enhanced supply-side flexibility gained by allowing the HES to economically provide grid services. A key tenant to nuclear power plant economics in today's electricity market is their ability to operate at a very high capacity factor. Unfortunately, in regions with a high penetration of renewable energy, the carbon free energy produced by nuclear power may not be needed at all times. This forces the nuclear power plant to find a user for its excess capacity. This may include paying the electric grid to find a user, releasing energy to the environment by -dumping steam', or reducing power. If the plant is unable to economically or safely do any of these actions, the plant is at risk of being shutdown. In order to allow for nuclear power plants to continue to contribute carbon free

  18. Endogenous contributions to egg protein formation in lesser scaup Aythya affinis

    Science.gov (United States)

    Cutting, Kyle A.; Hobson, Keith A.; Rotella, Jay J.; Warren, Jeffrey M.; Wainwright-de la Cruz, Susan E.; Takekawa, John Y.

    2011-01-01

    Lesser scaup Aythya affinis populations have declined throughout the North American continent for the last three decades. It has been hypothesized that the loss and degradation of staging habitats has resulted in reduced female body condition on the breeding grounds and a concomitant decline in productivity. We explored the importance of body (endogenous) reserves obtained prior to arrival on the breeding ground in egg protein formation in southwestern Montana during 2006–2008 using stable-carbon (δ13C) and nitrogen (δ15N) isotope analyses of scaup egg components, female tissue, and local prey items. From arrival on the breeding grounds through the egg-laying period, δ15N values of scaup red blood cells decreased while δ13C values became less variable; a pattern consistent with endogenous tissues equilibrating with local (freshwater) dietary sources. In 2006 and 2008, isotopic values for egg albumen and yolk protein indicated that most (>90%) protein used to produce these components was obtained on the breeding grounds. However, in 2007, a year with an exceptionally warm and dry spring, endogenous reserves contributed on average 41% of yolk and 29% of albumen. Results from this study suggest that female scaup can meet the protein needs of egg production largely from local dietary food sources. This highlights the importance of providing high-quality breeding habitats for scaup. Whether this pattern holds in areas with similar breeding season lengths but longer migration routes, such as those found in the western boreal forest, should be investigated.

  19. Analysis of secondary cytoreduction for recurrent ovarian cancer by robotics, laparoscopy and laparotomy.

    Science.gov (United States)

    Magrina, Javier F; Cetta, Rachel L; Chang, Yu-Hui; Guevara, Gregory; Magtibay, Paul M

    2013-05-01

    Analysis of perioperative outcomes and survival of patients with recurrent ovarian cancer undergoing secondary cytoreduction by robotics, laparoscopy, or laparotomy. Retrospective analysis of 52 selected patients with recurrent ovarian cancer undergoing secondary cytoreduction by laparoscopy (9), laparotomy (33) or robotics (10) between January 2006 and December 2010. Comparison was made by a total of 21 factors including age, BMI, number of previous surgeries, tumor type and grade, number of procedures, and 15 types of procedures performed at secondary cytoreduction. For all patients, the mean operating time was 213.8 min, mean blood loss 657.4 ml; and mean hospital stay 7.5 days. Complete debulking was achieved in 75% of patients. Postoperative complications were noted in 36.5% of patients. Overall and progression-free survival at 3-years were 58.8% and 34.1%, respectively. Laparoscopy and robotics had reduced blood loss and hospital stay, while no differences were observed among the three groups for operating time, complications, complete debulking, and survival. Selected patients with recurrent ovarian cancer benefit from a laparoscopic or robotic secondary cytoreduction without compromising survival. Robotics and laparoscopy provide similar perioperative outcomes, and reduced blood loss and shorter hospital stay as compared to laparotomy. Laparotomy seems preferable for patients with widespread peritoneal implants, multiple sites of recurrence, and/or extensive adhesions. Copyright © 2013 Elsevier Inc. All rights reserved.

  20. A Comparison of Single-Sex and Coeducational Catholic Secondary Schooling: Evidence from the National Educational Longitudinal Study of 1988.

    Science.gov (United States)

    LePore, Paul C.; Warren, John Robert

    1997-01-01

    Results from a comparison of single-sex and coeducational Catholic secondary schools using data from the National Educational Longitudinal Study of 1988 suggest that single-sex Catholic high schools are not especially favorable academic settings, and that any advantages of the schools only benefited boys. Pre-enrollment differences may explain…

  1. New Perspective of Tsunami Deposit Investigations: Insight from the 1755 Lisbon Tsunami in Martinique, Lesser Antilles.

    Science.gov (United States)

    Roger, J.; Clouard, V.; Moizan, E.

    2014-12-01

    The recent devastating tsunamis having occurred during the last decades have highlighted the essential necessity to deploy operationnal warning systems and educate coastal populations. This could not be prepared correctly without a minimum knowledge about the tsunami history. That is the case of the Lesser Antilles islands, where a few handfuls of tsunamis have been reported over the past 5 centuries, some of them leading to notable destructions and inundations. But the lack of accurate details for most of the historical tsunamis and the limited period during which we could find written information represents an important problem for tsunami hazard assessment in this region. Thus, it is of major necessity to try to find other evidences of past tsunamis by looking for sedimentary deposits. Unfortunately, island tropical environments do not seem to be the best places to keep such deposits burried. In fact, heavy rainfalls, storms, and all other phenomena leading to coastal erosion, and associated to human activities such as intensive sugarcane cultivation in coastal flat lands, could caused the loss of potential tsunami deposits. Lots of places have been accurately investigated within the Lesser Antilles (from Sainte-Lucia to the British Virgin Islands) the last 3 years and nothing convincing has been found. That is when archeaological investigations excavated a 8-cm thick sandy and shelly layer in downtown Fort-de-France (Martinique), wedged between two well-identified layers of human origin (Fig. 1), that we found new hope: this sandy layer has been quickly attributed without any doubt to the 1755 tsunami, using on one hand the information provided by historical reports of the construction sites, and on the other hand by numerical modeling of the tsunami (wave heights, velocity fields, etc.) showing the ability of this transoceanic tsunami to wrap around the island after ~7 hours of propagation, enter Fort-de-France's Bay with enough energy to carry sediments, and

  2. Numerical Tsunami Hazard Assessment of the Only Active Lesser Antilles Arc Submarine Volcano: Kick 'em Jenny.

    Science.gov (United States)

    Dondin, F. J. Y.; Dorville, J. F. M.; Robertson, R. E. A.

    2015-12-01

    The Lesser Antilles Volcanic Arc has potentially been hit by prehistorical regional tsunamis generated by voluminous volcanic landslides (volume > 1 km3) among the 53 events recognized so far. No field evidence of these tsunamis are found in the vincity of the sources. Such a scenario taking place nowadays would trigger hazardous tsunami waves bearing potentially catastrophic consequences for the closest islands and regional offshore oil platforms.Here we applied a complete hazard assessment method on the only active submarine volcano of the arc Kick 'em Jenny (KeJ). KeJ is the southernmost edifice with recognized associated volcanic landslide deposits. From the three identified landslide episodes one is associated with a collapse volume ca. 4.4 km3. Numerical simulations considering a single pulse collapse revealed that this episode would have produced a regional tsunami. An edifice current volume estimate is ca. 1.5 km3.Previous study exists in relationship to assessment of regional tsunami hazard related to shoreline surface elevation (run-up) in the case of a potential flank collapse scenario at KeJ. However this assessment was based on inferred volume of collapse material. We aim to firstly quantify potential initial volumes of collapse material using relative slope instability analysis (RSIA); secondly to assess first order run-ups and maximum inland inundation distance for Barbados and Trinidad and Tobago, i.e. two important economic centers of the Lesser Antilles. In this framework we present for seven geomechanical models tested in the RSIA step maps of critical failure surface associated with factor of stability (Fs) for twelve sectors of 30° each; then we introduce maps of expected potential run-ups (run-up × the probability of failure at a sector) at the shoreline.The RSIA evaluates critical potential failure surface associated with Fs <1 as compared to areas of deficit/surplus of mass/volume identified on the volcanic edifice using (VolcanoFit 2

  3. Multiscaling properties of tropical rainfall: Analysis of rain gauge datasets in Lesser Antilles island environment

    Science.gov (United States)

    Bernard, Didier C.; Pasquier, Raphaël; Cécé, Raphaël; Dorville, Jean-François

    2014-05-01

    Changes in rainfall seem to be the main impact of climate change in the Caribbean area. The last conclusions of IPCC (2013), indicate that the end of this century will be marked by a rise of extreme rainfalls in tropical areas, linked with increase of the mean surface temperature. Moreover, most of the Lesser Antilles islands are characterized by a complex topography which tends to enhance the rainfall from synoptic disturbances by orographic effects. In the past five years, out of hurricanes passage, several extreme rainy events (approx. 16 mm in 6 minutes), including fatal cases, occurred in the Lesser Antilles Arc: in Guadeloupe (January 2011, May 2012 and 2013), in Martinique (May 2009, April 2011 and 2013), in Saint-Lucia (December 2013). These phenomena inducing floods, loss of life and material damages (agriculture sector and public infrastructures), inhibit the development of the islands. At this time, numerical weather prediction models as WRF, which are based on the equations of the atmospheric physics, do not show great results in the focused area (Bernard et al., 2013). Statistical methods may be used to examine explicitly local rainy updrafts, thermally and orographically induced at micro-scale. The main goal of the present insular tropical study is to characterize the multifractal symmetries occurring in the 6-min rainfall time series, registered since 2006 by the French Met. Office network weather stations. The universal multifractal model (Schertzer and Lovejoy, 1991) is used to define the statistical properties of measured rainfalls at meso-scale and micro-scale. This model is parametrized by a fundamental exponents set (H,a,C1,q) which are determined and compared with values found in the literature. The first three parameters characterize the mean pattern and the last parameter q, the extreme pattern. The occurrence ranges of multifractal regime are examined. The suggested links between the internal variability of the tropical rainy events and the

  4. Long-term monitoring reveals an avian species credit in secondary forest patches of Costa Rica

    Directory of Open Access Journals (Sweden)

    Steven C. Latta

    2017-06-01

    Full Text Available Degraded and secondary forests comprise approximately 50% of remaining tropical forest. Bird community characteristics and population trends in secondary forests are infrequently studied, but secondary forest may serve as a “safety net” for tropical biodiversity. Less understood is the occurrence of time-delayed, community-level dynamics such as an extinction debt of specialist species or a species credit resulting from the recolonization of forest patches by extirpated species. We sought to elucidate patterns and magnitudes of temporal change in avian communities in secondary forest patches in Southern Costa Rica biannually over a 10 year period during the late breeding season and mid-winter. We classified birds caught in mist nets or recorded in point counts by residency status, and further grouped them based on preferred habitat, sensitivity to disturbance, conservation priority, foraging guild, and foraging strata. Using hierarchical, mixed-effects models we tested for trends among species that share traits. We found that permanent-resident species increased over time relative to migrants. In both seasons, primary forest species generally increased while species typical of secondary forest, scrub, or edge declined. Species relatively sensitive to habitat disturbance increased significantly over time, whereas birds less sensitive to disturbance decreased. Similarly, generalists with higher habitat breadth scores declined. Because, we found very few changes in vegetation characteristics in secondary forest patches, shifts in the avian community toward primary forest species represent a species credit and are likely related to vegetation changes in the broader landscape. We suggest that natural regeneration and maturation of secondary forests should be recognized as a positive conservation development of potential benefit even to species typical of primary forest.

  5. Inconspicuous insertion 22;12 in myxoid/round cell liposarcoma accompanied by the secondary structural abnormality der(16)t(1;16).

    Science.gov (United States)

    Birch, Nathan C; Antonescu, Cristina R; Nelson, Marilu; Sarran, Lisa; Neff, James R; Seemayer, Thomas; Bridge, Julia A

    2003-08-01

    In myxoid/round cell liposarcoma, the t(12;16)(q13;p11) and its associated fusion transcript, FUS-CHOP, characterize greater than 95% of cases. The variant translocation t(12;22)(q13;q12) and associated EWS-CHOP fusion transcript are rare. A second non-random aberration observed in roughly 20% of Ewing's sarcomas, and to a lesser extent other select sarcomas, is the unbalanced 1;16 translocation. Recognition of this secondary aberration in the absence of an obvious primary karyotypic abnormality strongly suggests that the use of other genetic approaches will be informative in uncovering a clinically suspected primary anomaly. The following case illustrates the utility of molecular cytogenetic and reverse transcriptase-polymerase chain reaction techniques in diagnosing an ins(22;12)(q12;q13q14) and associated EWS-CHOP fusion transcript in a myxoid/round cell liposarcoma exhibiting a der(16)t(1;16)(q11;q11).

  6. An image processing approach to computing distances between RNA secondary structures dot plots

    Directory of Open Access Journals (Sweden)

    Sapiro Guillermo

    2009-02-01

    Full Text Available Abstract Background Computing the distance between two RNA secondary structures can contribute in understanding the functional relationship between them. When used repeatedly, such a procedure may lead to finding a query RNA structure of interest in a database of structures. Several methods are available for computing distances between RNAs represented as strings or graphs, but none utilize the RNA representation with dot plots. Since dot plots are essentially digital images, there is a clear motivation to devise an algorithm for computing the distance between dot plots based on image processing methods. Results We have developed a new metric dubbed 'DoPloCompare', which compares two RNA structures. The method is based on comparing dot plot diagrams that represent the secondary structures. When analyzing two diagrams and motivated by image processing, the distance is based on a combination of histogram correlations and a geometrical distance measure. We introduce, describe, and illustrate the procedure by two applications that utilize this metric on RNA sequences. The first application is the RNA design problem, where the goal is to find the nucleotide sequence for a given secondary structure. Examples where our proposed distance measure outperforms others are given. The second application locates peculiar point mutations that induce significant structural alternations relative to the wild type predicted secondary structure. The approach reported in the past to solve this problem was tested on several RNA sequences with known secondary structures to affirm their prediction, as well as on a data set of ribosomal pieces. These pieces were computationally cut from a ribosome for which an experimentally derived secondary structure is available, and on each piece the prediction conveys similarity to the experimental result. Our newly proposed distance measure shows benefit in this problem as well when compared to standard methods used for assessing

  7. Teaching secondary mathematics

    CERN Document Server

    Rock, David

    2013-01-01

    Solidly grounded in up-to-date research, theory and technology,?Teaching Secondary Mathematics?is a practical, student-friendly, and popular text for secondary mathematics methods courses. It provides clear and useful approaches for mathematics teachers, and shows how concepts typically found in a secondary mathematics curriculum can be taught in a positive and encouraging way. The thoroughly revised fourth edition combines this pragmatic approach with truly innovative and integrated technology content throughout. Synthesized content between the book and comprehensive companion websi

  8. Assessments of the lesser sandeel ( Ammodytes marinus ) in the North Sea based on revised stock divisions

    DEFF Research Database (Denmark)

    Pedersen, S.A.; Lewy, Peter; Wright, P.

    1999-01-01

    effort, catch per unit effort, yield, fishing and natural mortality. A better understanding of sandeel growth is important for stock and catch predictions because previous studies indicate that the variability of mean weight-at-age is one of the most important factors influencing the precision......Recent investigations suggest that the current treatment of North Sea sandeel (Ammodytes marinus) as a single unit stock may have little biological basis. In order to study regional effects of the fishery on North Sea lesser sandeel it may therefore be important to assess stock dynamics...... of predictions. The Danish weight-at-age data of sandeel are re- analysed to estimate the mean weight-at-age in the catch and the stock and the precision of the estimates. The reliability of the sandeel assessments is discussed in relation to the data sources available and to the knowledge of sandeel biology...

  9. Setting a national minimum standard for health benefits: how do state benefit mandates compare with benefits in large-group plans?

    Science.gov (United States)

    Frey, Allison; Mika, Stephanie; Nuzum, Rachel; Schoen, Cathy

    2009-06-01

    Many proposed health insurance reforms would establish a federal minimum benefit standard--a baseline set of benefits to ensure that people have adequate coverage and financial protection when they purchase insurance. Currently, benefit mandates are set at the state level; these vary greatly across states and generally target specific areas rather than set an overall standard for what qualifies as health insurance. This issue brief considers what a broad federal minimum standard might look like by comparing existing state benefit mandates with the services and providers covered under the Federal Employees Health Benefits Program (FEHBP) Blue Cross and Blue Shield standard benefit package, an example of minimum creditable coverage that reflects current standard practice among employer-sponsored health plans. With few exceptions, benefits in the FEHBP standard option either meet or exceed those that state mandates require-indicating that a broad-based national benefit standard would include most existing state benefit mandates.

  10. Mapping regional livelihood benefits from local ecosystem services assessments in rural Sahel.

    Science.gov (United States)

    Malmborg, Katja; Sinare, Hanna; Enfors Kautsky, Elin; Ouedraogo, Issa; Gordon, Line J

    2018-01-01

    Most current approaches to landscape scale ecosystem service assessments rely on detailed secondary data. This type of data is seldom available in regions with high levels of poverty and strong local dependence on provisioning ecosystem services for livelihoods. We develop a method to extrapolate results from a previously published village scale ecosystem services assessment to a higher administrative level, relevant for land use decision making. The method combines remote sensing (using a hybrid classification method) and interviews with community members. The resulting landscape scale maps show the spatial distribution of five different livelihood benefits (nutritional diversity, income, insurance/saving, material assets and energy, and crops for consumption) that illustrate the strong multifunctionality of the Sahelian landscapes. The maps highlight the importance of a diverse set of sub-units of the landscape in supporting Sahelian livelihoods. We see a large potential in using the resulting type of livelihood benefit maps for guiding future land use decisions in the Sahel.

  11. Mapping regional livelihood benefits from local ecosystem services assessments in rural Sahel

    Science.gov (United States)

    Sinare, Hanna; Enfors Kautsky, Elin; Ouedraogo, Issa; Gordon, Line J.

    2018-01-01

    Most current approaches to landscape scale ecosystem service assessments rely on detailed secondary data. This type of data is seldom available in regions with high levels of poverty and strong local dependence on provisioning ecosystem services for livelihoods. We develop a method to extrapolate results from a previously published village scale ecosystem services assessment to a higher administrative level, relevant for land use decision making. The method combines remote sensing (using a hybrid classification method) and interviews with community members. The resulting landscape scale maps show the spatial distribution of five different livelihood benefits (nutritional diversity, income, insurance/saving, material assets and energy, and crops for consumption) that illustrate the strong multifunctionality of the Sahelian landscapes. The maps highlight the importance of a diverse set of sub-units of the landscape in supporting Sahelian livelihoods. We see a large potential in using the resulting type of livelihood benefit maps for guiding future land use decisions in the Sahel. PMID:29389965

  12. Mapping regional livelihood benefits from local ecosystem services assessments in rural Sahel.

    Directory of Open Access Journals (Sweden)

    Katja Malmborg

    Full Text Available Most current approaches to landscape scale ecosystem service assessments rely on detailed secondary data. This type of data is seldom available in regions with high levels of poverty and strong local dependence on provisioning ecosystem services for livelihoods. We develop a method to extrapolate results from a previously published village scale ecosystem services assessment to a higher administrative level, relevant for land use decision making. The method combines remote sensing (using a hybrid classification method and interviews with community members. The resulting landscape scale maps show the spatial distribution of five different livelihood benefits (nutritional diversity, income, insurance/saving, material assets and energy, and crops for consumption that illustrate the strong multifunctionality of the Sahelian landscapes. The maps highlight the importance of a diverse set of sub-units of the landscape in supporting Sahelian livelihoods. We see a large potential in using the resulting type of livelihood benefit maps for guiding future land use decisions in the Sahel.

  13. Ultrasound as a secondary screening tool in mammographically dense breasts

    International Nuclear Information System (INIS)

    Griggs, Kylie

    2006-01-01

    It is well known that breast screening is a part of our society and is designed to reduce the mortality and morbidity from breast cancer. Mammography is the imaging modality of choice in a breast-screening environment. Both the detection rate of mammography in a screening environment and the sensitivity of mammography in symptomatic women are known to be greater than that of ultrasound. However, after a review of literature both of these are said to increase when the two imaging modalities are combined. This paper will present that mammography has limitations in breast imaging, especially in women with dense breasts and that ultrasound can have a benefit as a secondary screening tool in these women. It will be shown that although ultrasound also has its limitations, these can be minimised with the implementation of effective education and imaging protocols. The paper will conclude that although further research into ultrasound as screening tool is required, its use as a complement to mammography can only be of benefit to the general population

  14. Informing climate policy given incommensurable benefits estimates

    International Nuclear Information System (INIS)

    Jacoby, H.D.

    2003-01-01

    framework for assessing climate benefits, and not a particular estimation method. The objective might have been the development of a single estimation procedure, perhaps one that came as close as possible to a measure directly comparable to cost estimates, with all benefits converted to a common monetary unit. Unfortunately, the complexities of the climate issue combine to rule against the formulation of a single, widely accepted measure of this type. Inevitably, governments will be confronted with sets of benefits estimates that are incommensurable, i.e. they will share no common basis for comparison. To deal with this difficulty, it is recommended here that the OECD support the development of a portfolio of benefits measures, structured to provide transparency when viewing alternative estimates. The development of such a portfolio is a research task, and an effort is made below to outline the work needed. To limit the scope of this discussion several important issues are laid aside. Most important, the benefits considered here are limited to the damage caused by climate change (net of any positive effects) that could be prevented by emissions mitigation. The accounting for adaptation costs, which arises mainly in the context of monetary estimates, are not treated in detail, as they are dealt with in other parts of this OECD project. It is simply assumed that estimates of climate damage (or the benefits of avoiding it) include the effects and costs of economic adaptation. Secondary or ancillary benefits of mitigation actions also are not considered. This last omission is an important one, for many of the issues raised about (net) climate damage apply as well to ancillary benefits and costs. And, although distributional issues will emerge, the discussion does not pretend to cover the range of concerns of developing countries or of sustainable development more broadly. Again, these issues are important, but they as well only add more dimensions to the problem of

  15. Traditional and Modern Biomedical Prospecting: Part II—The Benefits

    Directory of Open Access Journals (Sweden)

    Werner E. G. Müller

    2004-01-01

    Full Text Available The progress in molecular and cell biology has enabled a rational exploitation of the natural resources of the secondary metabolites and biomaterials from sponges (phylum Porifera. It could be established that these natural substances are superior for biomedical application to those obtained by the traditional combinatorial chemical approach. It is now established that the basic structural and functional elements are highly conserved from sponges to the crown taxa within the Protostomia (Drosophila melanogaster and Caenorhabditis elegans and Deuterostomia (human; therefore, it is obvious that the molecular etiology of diseases within the metazoan animals have a common basis. Hence, the major challenge for scientists studying natural product chemistry is to elucidate the target(s of a given secondary metabolite, which is per se highly active and selective. After this step, the potential clinical application can be approached. The potential value of some selected secondary metabolites, all obtained from sponges and their associated microorganisms, is highlighted. Examples of compounds that are already in medical use (inhibition of tumor/virus growth [arabinofuranosyl cytosine and arabinofuranosyl adenine], or are being considered as lead structures (acting as cytostatic and anti-inflammatory secondary metabolites [avarol/avarone], causing induction of apoptosis [sorbicillactone] or as prototypes for the interference with metabolic pathways common in organisms ranging from sponges to humans (modulation of pathways activated by fungal components [aeroplysinin], inhibition of angiogenesis [2-methylthio-1,4-napthoquinone], immune modulating activity [FK506] are discussed in this study. In addition, bioactive proteins from sponges are listed (antibacterial activity [pore-forming protein and tachylectin]. Finally, it is outlined that the skeletal elements—the spicules—serve as blueprints for new biomaterials, especially those based on biosilica

  16. Quantitative secondary electron detection

    Science.gov (United States)

    Agrawal, Jyoti; Joy, David C.; Nayak, Subuhadarshi

    2018-05-08

    Quantitative Secondary Electron Detection (QSED) using the array of solid state devices (SSD) based electron-counters enable critical dimension metrology measurements in materials such as semiconductors, nanomaterials, and biological samples (FIG. 3). Methods and devices effect a quantitative detection of secondary electrons with the array of solid state detectors comprising a number of solid state detectors. An array senses the number of secondary electrons with a plurality of solid state detectors, counting the number of secondary electrons with a time to digital converter circuit in counter mode.

  17. Benefits of Java

    Science.gov (United States)

    ... Wellness Preventing Illness Benefits of Coffee Print Email Benefits of Coffee Reviewed by Taylor Wolfram, MS, RDN, ... your daily cup (or three) provides some health benefits as well. Drinking moderate amounts of coffee (including ...

  18. State-Level Community Benefit Regulation and Nonprofit Hospitals' Provision of Community Benefits.

    Science.gov (United States)

    Singh, Simone R; Young, Gary J; Loomer, Lacey; Madison, Kristin

    2018-04-01

    Do nonprofit hospitals provide enough community benefits to justify their tax exemptions? States have sought to enhance nonprofit hospitals' accountability and oversight through regulation, including requirements to report community benefits, conduct community health needs assessments, provide minimum levels of community benefits, and adhere to minimum income eligibility standards for charity care. However, little research has assessed these regulations' impact on community benefits. Using 2009-11 Internal Revenue Service data on community benefit spending for more than eighteen hundred hospitals and the Hilltop Institute's data on community benefit regulation, we investigated the relationship between these four types of regulation and the level and types of hospital-provided community benefits. Our multivariate regression analyses showed that only community health needs assessments were consistently associated with greater community benefit spending. The results for reporting and minimum spending requirements were mixed, while minimum income eligibility standards for charity care were unrelated to community benefit spending. State adoption of multiple types of regulation was consistently associated with higher levels of hospital-provided community benefits, possibly because regulatory intensity conveys a strong signal to the hospital community that more spending is expected. This study can inform efforts to design regulations that will encourage hospitals to provide community benefits consistent with policy makers' goals. Copyright © 2018 by Duke University Press.

  19. The Effect of Capstone Cooperative Education Experiences, and Related Factors, on Career and Technical Education Secondary Student Summative Assessment Scores

    Science.gov (United States)

    Richard, Elizabeth D.; Walter, Richard A.; Yoder, Edgar P.

    2013-01-01

    Research has discussed the benefits of cooperative education experiences for secondary career and technical education students. Yet, in this era of high stakes testing and program accountability, the amount of time that students are permitted to participate in cooperative education has diminished, fearing that time spent out of the classroom would…

  20. Factors affecting condom use among senior secondary school pupils in South Africa.

    Science.gov (United States)

    Peltzer, K

    2000-11-01

    The aim of the study was to investigate factors affecting condom use among senior secondary school pupils in South Africa. Objectives were to identify the sociodemographic characteristics and sexual history, knowledge about correct condom use, source of condom information, AIDS health beliefs, self efficacy of condom use, correlates and predictors of condom use in Grade 12 students. Cross sectional survey. 460 Grade 12 secondary school pupils from three rural schools. The sample included 460 Grade 12 secondary school pupils, 170 (37%) males and 290 (63%) females in the age range of 16 to 30 years (mean age 19.7 yrs, SD = 2.5). Self reported sexual activity and condom use (12 items); source of 'condom' information (12 items); knowledge of correct condom use (10 items); a 16 item AIDS Health Belief Scale and a 28 item Condom Use Self-Efficacy Scale. About half of those sexually active (52.6% males and 40.5% females) reported never having used condoms. About 90% levels of correct answers on condom knowledge were found for the items of "protection against AIDS" and "expire date of condoms". Knowing someone with HIV/AIDS was related to current condom use and a history of STD with lifetime condom use. The four AIDS beliefs sub-scales were all related to self efficacy of condom use. Behavioural norm to use condoms, attitudes towards condom use, normative beliefs to use of condoms and subjective norm to use condoms were all related to condom use intention. Normative beliefs and subjective norms to use condoms were both negatively related with lifetime condom use, current condom use, and self efficacy in condom use. Normative beliefs, attitudes and subjective norms about condoms predicted condom use intention, AIDS susceptibility and AIDS benefits predicted condom use with last sexual partner, and AIDS benefits and AIDS barriers predicted condom use intention. Findings have relevant implications and are discussed in the context of developing an educational or intervention

  1. Molecular detection of Anaplasma phagocytophilum DNA in the lesser horseshoe bat (Rhinolophus hipposideros) guano.

    Science.gov (United States)

    Afonso, E; Goydadin, A-C

    2018-05-30

    Although bats are increasingly recognised as potential reservoir hosts of human zoonotic pathogens, bacteria in bats are still poorly studied. To investigate the DNA faecal prevalence of the bacterium Anaplasma phagocytophilum, we sampled 23 lesser horseshoe bat (Rhinolophus hipposideros) maternity colonies located in buildings (churches, barns) in rural villages of eastern France. A total of 552 faecal samples were collected from 278 individuals. Anaplasma phagocytophilum DNA was detected in the faeces of 63 individuals (22.7%). Such high prevalence might suggest persistent infection in bats and/or a frequent consumption of insect preys carrying bacteria. Faecal DNA prevalence varied highly among colonies but was not related to the colony size. Faecal DNA prevalence was the highest in the Jura Department, where the density of ticks is known to be the highest across the study area. Because the sampled bats live in close proximity to humans, we discuss how concerning the presence of A. phagocytophilum DNA in bat guano is for humans frequenting places of worship that shelter bats. We also advocate future research to understand what a high faecal DNA prevalence in bat guano really implicates in terms of bacteria transmission.

  2. Reconceptualised life skills in secondary education in the African context: Lessons learnt from reforms in Ghana

    Science.gov (United States)

    Akyeampong, Kwame

    2014-04-01

    Early notions of life skills in Africa did not take into account the importance of a flexible and portable set of skills that would enable youth to adapt to changes in the world of work and lay the foundations for productive well-being and behaviour. Rather, life skills education in many secondary education curricula in Africa started with an emphasis on developing specific technical vocational skills considered essential for employability or self-employment. Using Ghana as an example, this paper shows how secondary education curriculum reformers recommended shifts that embraced a new interpretation of life skills focused on 21st-century skills. This gradual move also reflected the difficulty that secondary education in general has had in networking with the world of work to provide work experience that would lead to the development of work-related skills and enhance employability. The author's main argument is that although the reconceptualisation of life skills in secondary education to reflect 21st-century skills is a welcome shift in the African context, this needs to be accompanied by reforms in teacher education. Classroom teaching and learning need to be adapted in a fundamental way in order to ensure that youth fully benefit from the inclusion of 21st-century life skills in secondary education curricula. Such reforms must include pedagogical practices which nurture communication, collaboration, creativity and critical thinking skills.

  3. Function-related secondary user needs and secondary data? a crit ...

    African Journals Online (AJOL)

    The aim of this article is to contribute to the development of the modern theory of lexicographical functions by offering a critical examination of the following concepts associated with it: primary needs, primary data, secondary needs, secondary data, function-related needs, and function-related data. By way of introduction, ...

  4. Secondary and tertiary hyperparathyroidism.

    Science.gov (United States)

    Jamal, Sophie A; Miller, Paul D

    2013-01-01

    We reviewed the etiology and management of secondary and tertiary hyperparathyroidism. Secondary hyperparathyroidism is characterized by an increase in parathyroid hormone (PTH) that is appropriate and in response to a stimulus, most commonly low serum calcium. In secondary hyperparathyroidism, the serum calcium is normal and the PTH level is elevated. Tertiary hyperparathyroidism is characterized by excessive secretion of PTH after longstanding secondary hyperparathyroidism, in which hypercalcemia has ensued. Tertiary hyperparathyroidism typically occurs in men and women with chronic kidney disease usually after kidney transplant. The etiology and treatment of secondary hyperparathyroidism is relatively straightforward whereas data on the management of tertiary hyperparathyroidism is limited to a few small trials with short follow-up. Copyright © 2013 The International Society for Clinical Densitometry. Published by Elsevier Inc. All rights reserved.

  5. Secondary Education and Health Outcomes in Young People from the Cape Area Panel Study (CAPS.

    Directory of Open Access Journals (Sweden)

    Joseph L Ward

    Full Text Available Education is one of the strongest social determinants of health, yet previous literature has focused on primary education. We examined whether there are additional benefits to completing upper secondary compared to lower secondary education in a middle-income country.We performed a longitudinal analysis of the Cape Area Panel Study, a survey of adolescents living in South Africa. We undertook causal modeling using structural marginal models to examine the association between level of education and various health outcomes, using inverse probability weighting to control for sex, age, ethnicity, home language, income, whether employed in past year, region of birth, maternal educational status, marital status, whether currently pregnant and cognitive ability. Educational attainment was defined as primary (grades 1-7, lower secondary (grades 8-9 or upper secondary (grades 10-12.Of 3,432 participants, 165 (4.8% had completed primary education, 646 (18.8% lower secondary and 2,621 (76.3% upper secondary. Compared to those completing lower secondary, males completing upper secondary education were less likely to have a health problem (OR 0.49; 95%CI 0.27-0.88; p = 0.02; describe their health as poor (0.52; 0.29-0.95; p = 0.03 or report that health interferes with daily life (0.54; 0.29-0.99; p = 0.047. Females were less likely to have been pregnant (0.45; 0.33-0.61; p<0.001 or pregnant under 18 (0.32; 0.22-0.46; p<0.001; and having had sex under 16 was also less likely (males 0.63; 0.44-0.91; p = 0.01; females 0.39; 0.26-0.58; p<0.001. Cigarette smoking was less likely (males 0.52; 0.38-0.70; p = <0.001; females 0.56; 0.41-0.76; p<0.001, as was taking illicit drugs in males (0.6; 0.38-0.96; p = 0.03. No associations were found between education and alcohol use, psychological distress, obesity, increased waist circumference or hypertension.Completing upper secondary education was associated with improved health outcomes compared with lower secondary

  6. Assessing potential secondary effects of countermeasures in agricultural systems: a review

    International Nuclear Information System (INIS)

    Salt, C.A.; Rafferty, B.

    2001-01-01

    Secondary effects are defined as any positive or negative impacts resulting from the application of countermeasures other than radiological benefits or direct costs. They are categorised into environmental, radioecological, economic and social effects. Impacts on the environment may include changes in water, air and soil pollution or in the conservation and amenity value of an area. Radioecological effects occur when the countermeasure unintentionally alters the behaviour of the target radionuclide or any other radionuclide present. Economic effects may range from changes in agricultural income to environmental costs (e.g. impact of soil erosion on fisheries). Social effects relate to the acceptability of countermeasures, for example in terms of consumer confidence and animal welfare. Recent research into the identification and assessment of secondary effects is summarised. Non-quantitative and quantitative approaches are explained and formal evaluation procedures involving decision matrices and decision support systems are introduced. Examples of recent experimental and modelling work focusing on radiocaesium are given for the following countermeasures: soil application of potassium, administration of AFCF to livestock and ploughing techniques

  7. REDUCTION OF SOIL INFILTRATION AREA THANKS TO THE WASTEWATER SECONDARY TREATMENT FILTERS

    Directory of Open Access Journals (Sweden)

    Marcin Spychała

    2016-05-01

    Full Text Available The aim of the article was to determine the feasibility and advisability of the use of secondary filters applied before discharge of wastewater into the ground in the context of the fulfillment of the conditions of the current Regulation of the Minister of Environment of 18 November 2014 on the conditions to be met during the discharge of wastewater into the water or the ground and on substances particularly harmful to the aquatic environment. Due to expected in practice, an application and popularity, as compared variants, reactors having a very simple construction were used. The average values of removal of BOD5, COD and total suspended solids for three secondary filters technologies: biological trickling filter with natural ventilation, sand filter and nonwoven filter were compared. Additionally, as a fourth option a simple mathematical model has been presented. This model allows to estimate of BOD5 at the outflow from biological trickling filter and to verify the empirical data. Despite a large usefulness, it is rarely used in our country. It has been found the possibility of reduction of the infiltration area (surface area after reduction is 38–63% of the initial value due to the application of secondary filters. In the case of a high initial demand of the terrain area for drainage localization the benefit in costs resulting from the reduction (several thousand of PLN or may even significantly exceed the cost of buying and installing a cheap secondary filter. In addition, reduction the occupied area of the lot (in extreme cases up to 100 m2 by using the secondary filter allows to use the unoccupied space for other purposes, and thus gives additional economic advantage.

  8. Offer of secondary reserve with a pool of electric vehicles on the German market

    International Nuclear Information System (INIS)

    Jargstorf, Johannes; Wickert, Manuel

    2013-01-01

    This paper analyzes the business case of offering secondary downward reserve for frequency control on the German market by a pool of electrical vehicles. Former benchmark studies promised high revenues especially for this case. The benefits could provide an incentive to customers to buy an electric vehicle. The business case is analyzed for the German market as a case study. Specific regulations for this market, real driving patterns and real market data are taken into account when calculating revenues. Secondary reserve is strictly regulated, requiring a very high level of availability. As a result, simulated revenues are lower than assumed. Simulation shows average revenues of less than 5€ per month and vehicle. As a major bottleneck for an offer of secondary reserve, fully charged batteries are identified. Additionally an issue is made of costs for communication and customer compensation. Based on the simulation results, it is argued that the market for secondary reserve should not be accessed with these small units. For electric vehicles, easier accessible markets with lower related costs should be considered instead. -- Highlights: •We analyze a business case of providing reserve power with electric vehicles. •We include legal regulations for providing reserve power in the calculation. •Reserve requirements lead to a significant drop in expected revenues. •Results show that vehicles are not suitable to offer reserve power

  9. Benefits and challenges of localization

    International Nuclear Information System (INIS)

    Nowak, Martin

    2009-01-01

    One of the CANDU pressurized heavy water reactor's principal design features is its simple modular construction. This feature is suited particularly well for localization and offers a good opportunity to further develop an existing national nuclear industry or as in the case of Romania, establish new nuclear enterprises. When the first commercial 540 MW multi-unit CANDU reactors entered service in 1971, Canada's population of less than 24 million supported only a 'medium' level of industrial development and therefore lacked the heavy industrial capabilities of larger countries and regions such as the USA, Japan and Europe. A key motivation for the government of Canada in developing the CANDU design was to ensure that it would have the autonomous capacity to build and operate nuclear power reactors without depending on foreign sources for key components and supply of enriched uranium. Further examples of successful CANDU technology localization include India, which achieved almost complete localization of the 220 MW CANDU Prototype design in the early 1970s as well as Korea where AECL transferred the CANDU 6 700 MWe reactor design and manufacturing technology enabling the Koreans to supply over 75% of equipment for the fourth unit. In China on the Qinshan Phase 3 CANDU Nuclear Power Plant, Chinese contractors performed most of the construction and AECL has arranged for the transfer of full CANDU fuel processing and fabrication technology. As indicated one of the primary benefits realized from localization has been the creation of a nuclear power program that enables a recipient country in the pursuit of an independent national energy strategy. While a secondary benefit is the generation of wealth and economic activity in countries with strong indigenous nuclear equipment manufacturing capability. (author)

  10. Primary and secondary metabolites production in signal grass around the year under nitrogen fertilizer

    OpenAIRE

    Syeda Maryam Hussain

    2016-01-01

    Plants produce a number of substances and products and primary and secondary metabolites (SM) are amongst them with many benefits but limitation as well. Usually, the fodder are not considered toxic to animals or as a source having higher SM. The Brachiaria decumbens has a considerable nutritional value, but it is considered as a toxic grass for causing photosensitization in animals, if the grass is not harvested for more than 30 days or solely. The absence of detailed information in the lite...

  11. Use of ready-made insoles in the treatment of lesser metatarsalgia: a prospective randomized controlled trial.

    Science.gov (United States)

    Kelly, A; Winson, I

    1998-04-01

    Two insoles designed to treat primary lesser metatarsalgia were compared in terms of their effect on plantar pressures and the subjective symptom relief. A prospective single blind randomized trial of 8 weeks' treatment in 46 feet in 33 patients was performed. Subjective outcome measures were visual analogue pain scores and estimated compliance. Objective outcome measures were dynamic plantar pressures using the Musgrave Footprint System. In group 1 (Viscoped), 6 of 18 patients rated themselves much improved or somewhat improved, and in group 2 (Langer) the proportion was 12 of 15 (P = 0.02). Reported mean compliance was 16% higher in the Langer group. Plantar forefoot pressure was lowered by the insoles in all cases. The reduction was significantly greater (P < 0.001) in group 2, both in absolute pressure and as a percentage of initial pressure. Group 2 (Langer) was significantly better in terms of reduction of peak metatarsal pressure. All the subjective outcome measures were better for the group 2 (Langer).

  12. The Enviornmental Impact of Electrical Power Generation: Nuclear and Fossil. A Minicourse for Secondary Schools and Adult Education. Text.

    Science.gov (United States)

    McDermott, John J., Ed.

    This course, developed for use in secondary and adult education, is an effort to describe the cost-benefit ratio of the various methods of generation of electrical power in an era when the requirement for additional sources of power is growing at an ever-increasing rate and environmental protection is a major concern. This course was written and…

  13. Influence of control group therapy on the benefit from dose-dense chemotherapy in early breast cancer: a systemic review and meta-analysis.

    Science.gov (United States)

    Goldvaser, Hadar; Majeed, Habeeb; Ribnikar, Domen; Šeruga, Boštjan; Ocaña, Alberto; Cescon, David W; Amir, Eitan

    2018-02-08

    Results from clinical trials of adjuvant dose-dense chemotherapy in patients with breast cancer are inconsistent. A systematic search of MEDLINE identified studies comparing the efficacy of dose-dense adjuvant chemotherapy to a standard treatment. The primary analysis included studies that used identical regimens in the experimental and control groups, but varied only dose density. A secondary analysis included studies that used either different drugs or doses in the experimental and the control groups. Hazard ratios (HRs) and 95% confidence intervals were computed for disease-free survival (DFS) and overall survival (OS) and pooled in a meta-analysis. Subgroup analyses and meta-regression explored drug schedules utilized in control groups and the influence of clinicopathologic variables on benefit from dose-dense therapy. The primary analysis included 5 studies comprising 9819 patients while the secondary analysis included 6 studies comprising 9679 patients. Dose-dense treatment significantly improved DFS (HR 0.85, p benefit was observed in pre-menopausal women and those with nodal involvement, but there was no influence of hormone receptor status on results. Adjuvant dose-dense regimens improve breast cancer outcomes. It remains uncertain whether the observed benefit reflects the impact of dose density or the inferiority of paclitaxel every 3 weeks as a control group.

  14. Generation Y: Online Shopping Behaviour of the Secondary School and University Students

    Directory of Open Access Journals (Sweden)

    Petra Krbová

    2015-01-01

    Full Text Available This paper presents the results of primary research which was focused on specifics of online shopping in the segment of secondary school and university students. This segment is a part of one generational cohort – Generation Y which has its own specifics and characteristics. The main objective is to describe some aspects of shopping orientations of this segment, especially in the online environment. The research results show that young Generation Y individuals prefer online sources of information, mainly price comparison website Heureka.cz and online shop websites. The significant others (family, friends, etc. are the third most used source of information and the first personal one. When they choose online retailer they mostly take notice of the quality of information about products and the reviews of former customers and online shop comments. As the best benefit online shop can offer they regard short time benefits as a free delivery and a gift to an order.

  15. Variables Affecting Secondary School Students' Willingness to Eat Genetically Modified Food Crops

    Science.gov (United States)

    Maes, Jasmien; Bourgonjon, Jeroen; Gheysen, Godelieve; Valcke, Martin

    2017-04-01

    A large-scale cross-sectional study (N = 4002) was set up to determine Flemish secondary school students' willingness to eat genetically modified food (WTE) and to link students' WTE to previously identified key variables from research on the acceptance of genetic modification (GM). These variables include subjective and objective knowledge about genetics and biotechnology, perceived risks and benefits of GM food crops, trust in information from different sources about GM, and food neophobia. Differences between WTE-related variables based on students' grade level, educational track, and gender were analyzed. The students displayed a rather indecisive position toward GM food and scored weakly on a genetics and biotechnology knowledge test. WTE correlated most strongly with perceived benefits and subjective and objective knowledge. The results have clear implications for education, as they reiterate the need to strengthen students' scientific knowledge base and to introduce a GM-related debate at a much earlier stage in their school career.

  16. Secondary hyperparathyroidism and its relationship with sarcopenia in elderly women.

    Science.gov (United States)

    de Souza Genaro, Patrícia; de Medeiros Pinheiro, Marcelo; Szejnfeld, Vera Lúcia; Martini, Lígia Araújo

    2015-01-01

    Low dietary intake of calcium and poor vitamin D status during aging can result in mild secondary hyperparathyroidism, which may be associated with low muscle mass and reduced strength in the elderly. The aim of this study was to investigate whether low vitamin D, high parathormone (PTH), or both, are associated with sarcopenia. A total of 105 women, 35 with sarcopenia and 70 without sarcopenia, were enrolled in the present study. Body composition measurements were performed by DXA and sarcopenia was defined as skeletal muscle mass indexsarcopenia was higher in hyperparathyroidism (25(OH)D65 pg/dL) than in the absence of hyperparathyroidism (41.2 vs 16.2%, respectively; p=0.046). The odds ratio for sarcopenia in hyperparathyroidism cases was 6.81 (95%CI 1.29-35.9) compared with participants who had low PTH and a high 25(OH)D concentration. The present study showed that vitamin D insufficiency associated with secondary hyperparathyroidism increased the risk of sarcopenia, suggesting that the suppression of hyperparathyroidism by ensuring adequate calcium and vitamin D intake should be considered in interventional studies to confirm potential benefits. Copyright © 2015 Elsevier Ireland Ltd. All rights reserved.

  17. Insect immunity shows specificity in protection upon secondary pathogen exposure.

    Science.gov (United States)

    Sadd, Ben M; Schmid-Hempel, Paul

    2006-06-20

    Immunological memory in vertebrates, conferring lasting specific protection after an initial pathogen exposure, has implications for a broad spectrum of evolutionary, epidemiological, and medical phenomena . However, the existence of specificity in protection upon secondary pathogen exposure in invertebrates remains controversial . To separate this functional phenomenon from a particular mechanism, we refer to it as specific immune priming. We investigate the presence of specific immune priming in workers of the social insect Bombus terrestris. Using three bacterial pathogens, we test whether a prior homologous pathogen exposure gives a benefit in terms of long-term protection against a later challenge, over and above a heterologous combination. With a reciprocally designed initial and second-exposure protocol (i.e., all combinations of bacteria were tested), we demonstrate, even several weeks after the clearance of a first exposure, increased protection and narrow specificity upon secondary exposure. This demonstrates that the invertebrate immune system is functionally capable of unexpectedly specific and durable induced protection. Ultimately, despite general broad differences between vertebrates and invertebrates, the ability of both immune systems to show specificity in protection suggests that their immune defenses have found comparable solutions to similar selective pressures over evolutionary time.

  18. Who Benefits from Volunteering? Variations in Perceived Benefits

    Science.gov (United States)

    Morrow-Howell, Nancy; Hong, Song-Iee; Tang, Fengyan

    2009-01-01

    Purpose: The purpose of this study was to document the benefits of volunteering perceived by older adults and to explain variation in these self-perceived benefits. Design and Methods: This is a quantitative study of 13 volunteer programs and 401 older adults serving in those programs. Program directors completed telephone interviews, and older…

  19. Seismic Imaging of the Lesser Antilles Subduction Zone Using S-to-P Receiver Functions: Insights From VoiLA

    Science.gov (United States)

    Chichester, B.; Rychert, C.; Harmon, N.; Rietbrock, A.; Collier, J.; Henstock, T.; Goes, S. D. B.; Kendall, J. M.; Krueger, F.

    2017-12-01

    In the Lesser Antilles subduction zone Atlantic oceanic lithosphere, expected to be highly hydrated, is being subducted beneath the Caribbean plate. Water and other volatiles from the down-going plate are released and cause the overlying mantle to melt, feeding volcanoes with magma and hence forming the volcanic island arc. However, the depths and pathways of volatiles and melt within the mantle wedge are not well known. Here, we use S-to-P receiver functions to image seismic velocity contrasts with depth within the subduction zone in order to constrain the release of volatiles and the presence of melt in the mantle wedge, as well as slab structure and arc-lithosphere structure. We use data from 55-80° epicentral distances recorded by 32 recovered broadband ocean-bottom seismometers that were deployed during the 2016-2017 Volatiles in the Lesser Antilles (VoiLA) project for 15 months on the back- and fore-arc. The S-to-P receiver functions are calculated using two methods: extended time multi-taper deconvolution followed by migration to depth to constrain 3-D discontinuity structure of the subduction zone; and simultaneous deconvolution to determine structure beneath single stations. In the south of the island arc, we image a velocity increase with depth associated with the Moho at depths of 32-40 ± 4 km on the fore- and back-arc, consistent with various previous studies. At depths of 65-80 ± 4 km beneath the fore-arc we image a strong velocity decrease with depth that is west-dipping. At 96-120 ± 5 km beneath the fore-arc, we image a velocity increase with depth that is also west-dipping. The dipping negative-positive phase could represent velocity contrasts related to the top of the down-going plate, a feature commonly imaged in subduction zone receiver function studies. The negative phase is strong, so there may also be contributions to the negative velocity discontinuity from slab dehydration and/or mantle wedge serpentinization in the fore-arc.

  20. Managing breastfeeding and work: a Foucauldian secondary analysis.

    Science.gov (United States)

    Payne, Deborah; Nicholls, David A

    2010-08-01

    This paper is a report of a secondary analysis of the experiences of employed breastfeeding mothers. Health promotion policies exhort mothers to feed their infants breastmilk exclusively for the first 6 months and partially until the age of 2 years. More mothers are returning to paid employment less than a year after having a baby. Combining breastfeeding and paid work is an issue for nursing and midwifery as predominantly female professions caring for women and their children. Foucauldian discourse analysis was used for a secondary analysis of interviews performed in 2005 with 20 women who continued to breastfeed on their return to work. The discursive positions and disciplinary practices were identified and analysed. Combining breastfeeding and paid work required negotiating the positions of good mother and good worker. Being a good mother conferred health benefits on infants. Being a good worker required the mothers to constrain their breastfeeding practices. The practices performed by the mothers involved stockpiling breastmilk, maintaining milk supply, preparing the baby ready for absence, making sacrifices and remaining silent and invisible as a breastfeeding worker. Breastfeeding workers have the potential to threaten the focus of the workplace. They discipline themselves to minimize their disruptive potential. Such strategies serve to maintain the marginalization of breastfeeding in the workplace and to keep women's efforts to continue breastfeeding invisible. The work of breastfeeding workers needs to be better recognized and supported.

  1. Lexical learning in mild aphasia: gesture benefit depends on patholinguistic profile and lesion pattern.

    Science.gov (United States)

    Kroenke, Klaus-Martin; Kraft, Indra; Regenbrecht, Frank; Obrig, Hellmuth

    2013-01-01

    Gestures accompany speech and enrich human communication. When aphasia interferes with verbal abilities, gestures become even more relevant, compensating for and/or facilitating verbal communication. However, small-scale clinical studies yielded diverging results with regard to a therapeutic gesture benefit for lexical retrieval. Based on recent functional neuroimaging results, delineating a speech-gesture integration network for lexical learning in healthy adults, we hypothesized that the commonly observed variability may stem from differential patholinguistic profiles in turn depending on lesion pattern. Therefore we used a controlled novel word learning paradigm to probe the impact of gestures on lexical learning, in the lesioned language network. Fourteen patients with chronic left hemispheric lesions and mild residual aphasia learned 30 novel words for manipulable objects over four days. Half of the words were trained with gestures while the other half were trained purely verbally. For the gesture condition, rootwords were visually presented (e.g., Klavier, [piano]), followed by videos of the corresponding gestures and the auditory presentation of the novel words (e.g., /krulo/). Participants had to repeat pseudowords and simultaneously reproduce gestures. In the verbal condition no gesture-video was shown and participants only repeated pseudowords orally. Correlational analyses confirmed that gesture benefit depends on the patholinguistic profile: lesser lexico-semantic impairment correlated with better gesture-enhanced learning. Conversely largely preserved segmental-phonological capabilities correlated with better purely verbal learning. Moreover, structural MRI-analysis disclosed differential lesion patterns, most interestingly suggesting that integrity of the left anterior temporal pole predicted gesture benefit. Thus largely preserved semantic capabilities and relative integrity of a semantic integration network are prerequisites for successful use of

  2. Lack of functional benefit with glutamine versus placebo in Duchenne muscular dystrophy: a randomized crossover trial.

    Directory of Open Access Journals (Sweden)

    Elise Mok

    Full Text Available Oral glutamine decreases whole body protein breakdown in Duchenne muscular dystrophy (DMD. We evaluated the functional benefit of 4 months oral glutamine in DMD.30 ambulant DMD boys were included in this double-blind, randomized crossover trial with 2 intervention periods: glutamine (0.5 g/kg/d and placebo, 4 months each, separated by a 1-month wash-out, at 3 outpatient clinical investigation centers in France. Functional benefit was tested by comparing glutamine versus placebo on change in walking speed at 4 months. Secondary outcome measures were: 2-minute walk test, work, power, muscle mass (urinary creatinine, markers of myofibrillar protein breakdown (urinary 3-methyl-histidine/creatinine, serum creatine phospho-kinase, body composition (fat free mass, fat mass percentage, safety and oral nutrient intake. There was no improvement in the primary end point (walking speed or in secondary measures of muscle function (2-minute walk test, work, power in the glutamine group compared with placebo. However, subjects receiving glutamine or placebo showed no deterioration in functional measures over the course of the 9-month trial. No differences in muscle mass, markers of protein breakdown or serum creatine phosho-kinase were observed, except for a blunted increase in fat free mass in the glutamine group which led to a greater increase in fat mass percentage. Glutamine was safe and well-tolerated.This trial did not identify additional benefit of 4 months oral glutamine over placebo on muscle mass or function in ambulatory DMD boys. Although apparently safe, current data cannot support routine supplementation in this population as a whole, until further research proves otherwise.(ClinicalTrials.gov NCT00296621.

  3. Secondary school teachers' experiences of teaching pregnant learners in Limpopo Province, South Africa

    Directory of Open Access Journals (Sweden)

    Sogo F Matlala

    2014-11-01

    Full Text Available This paper presents the findings of a study on the experiences of secondary school teachers on teaching pregnant learners in Limpopo Province. A qualitative, exploratory, descriptive and contextual design was used. Semi-structured interviews were conducted with ten purposively selected secondary school teachers. Data analysis yielded six themes, which are: (1 identification of pregnant learners; (2 continuation of pregnant learners' school career; (3 dilemmas related to school-attending pregnant learners; (4 support of school-attending pregnant learners; (5 gender in pregnancy caretaking; and (6 communication and cooperation between teachers and parents. Teachers experienced challenges in identifying pregnant learners, and to meet their health needs as they lacked health related skills. Parents were not always cooperative towards teachers. It can be concluded that teachers face many dilemmas related to pregnant learners, and this requires a health facilitation model to enable teachers to assist pregnant learners such that they might better benefit from their schooling, and experience a positive health outcome.

  4. Forced copulation results in few extrapair fertilizations in Ross's and lesser snow geese

    Science.gov (United States)

    Dunn, P.O.; Afton, A.D.; Gloutney, M.L.; Alisauskas, R.T.

    1999-01-01

    Extrapair paternity varies from 0 to over 70% of young among various populations of birds. Comparative studies have suggested that this variation is related to nesting density, breeding synchrony and the proportion of extrapair copulations. We used minisatellite DNA fingerprinting to examine levels of extrapair paternity in Ross's geese, Chen rossi, and lesser snow geese, C. caerulescens c. (hereafter snow geese) nesting in the largest known goose colony in the world. These geese have one of the highest known percentages of extrapair copulation (46-56% of all attempted copulations), and all of these appeared to be forced. Among all successful copulations, 33 and 38% were extrapair in Ross's and snow geese, respectively. Despite the high percentage of extrapair copulations, extrapair paternity was low in both Ross's and snow geese (2-5% of young). Extrapair paternity was not related to nest density in either species. However, in snow geese, extrapair paternity was more likely to occur in nests of females that nested asynchronously, either early or late in the season. This is one of a few reported examples of a negative relationship between extrapair paternity and breeding synchrony. Extrapair young also tended to come from eggs laid later in the clutch. Although forced extrapair copulations appear to be a relatively inefficient reproductive tactic for males, they may provide a reproductive advantage for some males.

  5. Secondary acute pneumonias

    International Nuclear Information System (INIS)

    Rozenshtraukh, L.C.; Rybakova, N.I.; Vinner, M.G.

    1987-01-01

    Pathological changes, promoting the development of secondary pneumonias, are investigated. To this group belong: blood circulation disturbance in small circle, bronchial passability disturbance, aspiration of liquids, gases and vapors, infections and purulent processes, intoxications, injuries, operative interference. Roetgenologic symptomatics of each secondary acute pneumonia form is presented in detail

  6. [Effects of mental workload on work ability in primary and secondary school teachers].

    Science.gov (United States)

    Xiao, Yuanmei; Li, Weijuan; Ren, Qingfeng; Ren, Xiaohui; Wang, Zhiming; Wang, Mianzhen; Lan, Yajia

    2015-02-01

    To investigate the change pattern of primary and secondary school teachers' work ability with the changes in their mental workload. A total of 901 primary and secondary school teachers were selected by random cluster sampling, and then their mental workload and work ability were assessed by National Aeronautics and Space Administration-Task Load Index (NASA-TLX) and Work Ability Index (WAI) questionnaires, whose reliability and validity had been tested. The effects of their mental workload on the work ability were analyzed. Primary and secondary school teachers' work ability reached the highest level at a certain level of mental workload (55.73work ability had a positive correlation with the mental workload. Their work ability increased or maintained stable with the increasing mental workload. Moreover, the percentage of teachers with good work ability increased, while that of teachers with moderate work ability decreased. But when their mental workload was higher than the level, their work ability had a negative correlation with the mental workload. Their work ability significantly decreased with the increasing mental workload (P work ability decreased, while that of teachers with moderate work ability increased (P work ability. Moderate mental workload (55.73∼64.10) will benefit the maintaining and stabilization of their work ability.

  7. Teacher perceptions of usefulness of mobile learning devices in rural secondary science classrooms

    Science.gov (United States)

    Tighe, Lisa

    The internet and easy accessibility to a wide range of digital content has created the necessity for teachers to embrace and integrate digitial media in their curriculums. Although there is a call for digital media integration in curriculum by current learning standards, rural schools continue to have access to fewer resources due to limited budgets, potentially preventing teachers from having access to the most current technology and science instructional materials. This dissertation identifies the perceptions rural secondary science teachers have on the usefulness of mobile learning devices in the science classroom. The successes and challenges in using mobile learning devices in the secondary classroom were also explored. Throughout this research, teachers generally supported the integration of mobile devices in the classroom, while harboring some concerns relating to student distractability and the time required for integrating mobile devices in exisiting curriculum. Quantitative and qualitative data collected through surveys, interviews, and classroom observations revealed that teachers perceive that mobile devices bring benefits such as ease of communication and easy access to digitial information. However, there are perceived challenges with the ability to effectively communicate complex scientific information via mobile devices, distractibility of students, and the time required to develop effective curriculum to integrate digital media into the secondary science classroom.

  8. Benefits negotiation: three Swedish hospitals pursuit of potential electronic health record benefits.

    Science.gov (United States)

    Jeansson, John S

    2013-01-01

    At the very heart of Swedish healthcare digitalisation are large investments in electronic health records (EHRs). These integrated information systems (ISs) carry promises of great benefits and value for organisations. However, realising IS benefits and value has, in general, proven to be a challenging task, and as organisations strive to formalise their realisation efforts a misconception of rationality threatens to emerge. This misconception manifests itself when the formality of analysis threatens to underrate the impact of social processes in deciding which potential benefits to pursue. This paper suggests that these decisions are the result of a social process of negotiation. The purpose of this paper is to observe three benefits analysis projects of three Swedish hospitals to better understand the character and management of proposed benefits negotiations. Findings depict several different categories of benefits negotiations, as well as key factors to consider during the benefits negotiation process.

  9. Secondary fuel delivery system

    Science.gov (United States)

    Parker, David M.; Cai, Weidong; Garan, Daniel W.; Harris, Arthur J.

    2010-02-23

    A secondary fuel delivery system for delivering a secondary stream of fuel and/or diluent to a secondary combustion zone located in the transition piece of a combustion engine, downstream of the engine primary combustion region is disclosed. The system includes a manifold formed integral to, and surrounding a portion of, the transition piece, a manifold inlet port, and a collection of injection nozzles. A flowsleeve augments fuel/diluent flow velocity and improves the system cooling effectiveness. Passive cooling elements, including effusion cooling holes located within the transition boundary and thermal-stress-dissipating gaps that resist thermal stress accumulation, provide supplemental heat dissipation in key areas. The system delivers a secondary fuel/diluent mixture to a secondary combustion zone located along the length of the transition piece, while reducing the impact of elevated vibration levels found within the transition piece and avoiding the heat dissipation difficulties often associated with traditional vibration reduction methods.

  10. GIS habitat analysis for lesser prairie-chickens in southeastern New Mexico

    Directory of Open Access Journals (Sweden)

    Neville Paul

    2006-12-01

    Full Text Available Abstract Background We conducted Geographic Information System (GIS habitat analyses for lesser prairie-chicken (LPCH, Tympanuchus pallidicinctus conservation planning. The 876,799 ha study area included most of the occupied habitat for the LPCH in New Mexico. The objectives were to identify and quantify: 1. suitable LPCH habitat in New Mexico, 2. conversion of native habitats, 3. potential for habitat restoration, and 4. unsuitable habitat available for oil and gas activities. Results We found 16% of suitable habitat (6% of the study area distributed in 13 patches of at least 3,200 ha and 11% of suitable habitat (4% of the study area distributed in four patches over 7,238 ha. The area converted from native vegetation types comprised 17% of the study area. Ninety-five percent of agricultural conversion occurred on private lands in the northeastern corner of the study area. Most known herbicide-related conversions (82% occurred in rangelands in the western part of the study area, on lands managed primarily by the US Bureau of Land Management (BLM. We identified 88,190 ha (10% of the study area of habitats with reasonable restoration potential. Sixty-two percent of the primary population area (PPA contained occupied, suitable, or potentially suitable habitat, leaving 38% that could be considered for oil and gas development. Conclusion Although suitable LPCH habitat appears at first glance to be abundant in southeastern New Mexico, only a fraction of apparently suitable vegetation types constitute quality habitat. However, we identified habitat patches that could be restored through mesquite control or shin-oak reintroduction. The analysis also identified areas of unsuitable habitat with low restoration potential that could be targeted for oil and gas exploration, in lieu of occupied, high-quality habitats. Used in combination with GIS analysis and current LPCH population data, the habitat map represents a powerful conservation and management tool.

  11. GIS habitat analysis for lesser prairie-chickens in southeastern New Mexico.

    Science.gov (United States)

    Johnson, Kristine; Neville, Teri B; Neville, Paul

    2006-12-04

    We conducted Geographic Information System (GIS) habitat analyses for lesser prairie-chicken (LPCH, Tympanuchus pallidicinctus) conservation planning. The 876,799 ha study area included most of the occupied habitat for the LPCH in New Mexico. The objectives were to identify and quantify: 1. suitable LPCH habitat in New Mexico, 2. conversion of native habitats, 3. potential for habitat restoration, and 4. unsuitable habitat available for oil and gas activities. We found 16% of suitable habitat (6% of the study area) distributed in 13 patches of at least 3,200 ha and 11% of suitable habitat (4% of the study area) distributed in four patches over 7,238 ha. The area converted from native vegetation types comprised 17% of the study area. Ninety-five percent of agricultural conversion occurred on private lands in the northeastern corner of the study area. Most known herbicide-related conversions (82%) occurred in rangelands in the western part of the study area, on lands managed primarily by the US Bureau of Land Management (BLM). We identified 88,190 ha (10% of the study area) of habitats with reasonable restoration potential. Sixty-two percent of the primary population area (PPA) contained occupied, suitable, or potentially suitable habitat, leaving 38% that could be considered for oil and gas development. Although suitable LPCH habitat appears at first glance to be abundant in southeastern New Mexico, only a fraction of apparently suitable vegetation types constitute quality habitat. However, we identified habitat patches that could be restored through mesquite control or shin-oak reintroduction. The analysis also identified areas of unsuitable habitat with low restoration potential that could be targeted for oil and gas exploration, in lieu of occupied, high-quality habitats. Used in combination with GIS analysis and current LPCH population data, the habitat map represents a powerful conservation and management tool.

  12. Financial Literacy of Secondary Students, and Its Place within Secondary Schools

    Science.gov (United States)

    Neill, Alex; Berg, Melanie; Stevens, Liesje

    2014-01-01

    This report investigates the behaviour, attitudes and experiences of New Zealand secondary students with money and financial products. It also looks at financial literacy programmes in New Zealand secondary schools and explores barriers to the implementation of financial literacy teaching. The research was commissioned by the Commission for…

  13. Cost-benefit analysis simulation of a hospital-based violence intervention program.

    Science.gov (United States)

    Purtle, Jonathan; Rich, Linda J; Bloom, Sandra L; Rich, John A; Corbin, Theodore J

    2015-02-01

    Violent injury is a major cause of disability, premature mortality, and health disparities worldwide. Hospital-based violence intervention programs (HVIPs) show promise in preventing violent injury. Little is known, however, about how the impact of HVIPs may translate into monetary figures. To conduct a cost-benefit analysis simulation to estimate the savings an HVIP might produce in healthcare, criminal justice, and lost productivity costs over 5 years in a hypothetical population of 180 violently injured patients, 90 of whom received HVIP intervention and 90 of whom did not. Primary data from 2012, analyzed in 2013, on annual HVIP costs/number of clients served and secondary data sources were used to estimate the cost, number, and type of violent reinjury incidents (fatal/nonfatal, resulting in hospitalization/not resulting in hospitalization) and violent perpetration incidents (aggravated assault/homicide) that this population might experience over 5 years. Four different models were constructed and three different estimates of HVIP effect size (20%, 25%, and 30%) were used to calculate a range of estimates for HVIP net savings and cost-benefit ratios from different payer perspectives. All benefits were discounted at 5% to adjust for their net present value. Estimates of HVIP cost savings at the base effect estimate of 25% ranged from $82,765 (narrowest model) to $4,055,873 (broadest model). HVIPs are likely to produce cost savings. This study provides a systematic framework for the economic evaluation of HVIPs and estimates of HVIP cost savings and cost-benefit ratios that may be useful in informing public policy decisions. Copyright © 2015 American Journal of Preventive Medicine. Published by Elsevier Inc. All rights reserved.

  14. Current Population Status and Activity Pattern of Lesser Flamingos (Phoeniconaias minor and Greater Flamingo (Phoenicopterus roseus in Abijata-Shalla Lakes National Park (ASLNP, Ethiopia

    Directory of Open Access Journals (Sweden)

    Tewodros Kumssa

    2014-01-01

    Full Text Available A study of the population status, habitat preference, and activity pattern of nonbreeding flamingos was carried out in Lakes Abijata, Shalla, and Chitu, part of the Great Rift Valley, Ethiopia, from 2011 to 2013. The current population status and habitat preference of flamingos in the area are still poorly known. Likewise, data on diurnal and seasonal activity pattern of the species are scarce and this leads to the misunderstanding of how Flamingos use local wetlands throughout the different seasons. Data regarding population size and activity pattern were gathered during the wet and dry seasons. Point-count method was used to estimate the population size. Behaviors were recorded using scan sampling techniques. A total of 53671 individuals representing two species of flamingo were counted during both wet and dry seasons from the three lakes. There were more flamingos during the dry season than the wet season in Lake Abijata contrary to Lakes Shalla and Chitu during the wet season. Lesser flamingos (Phoeniconaias minor were the most abundant species comprising 95.39%, while Greater Flamingos (Phoenicopterus roseus accounted for 4.61% of the total population. Lake Abijata is the major stronghold of Lesser Flamingos in the area. There was significant variation in the mean number of both species during the wet and dry season in the different study sites of the lake, respectively. The species were known to use varied habitats within the lakes. The Lesser Flamingo mainly preferred the shoreline and mudflat areas of the lakes. However, Greater Flamingo on several occasions showed preference to offshore area of the lakes. Seasonal average flock sizes were not similar between the species. There was a strong relationship between time allocated to each activity and time of day. Feeding activity varied among daylight hours and was higher in the evening (76.5% and late morning (74.56% and least during midday (54%. Some variations in activity breakdown were

  15. Radioactive heavy ion secondary beams

    International Nuclear Information System (INIS)

    Bimbot, R.

    1987-01-01

    The production of secondary radioactive beams at GANIL using the LISE spectrometer is reviewed. The experimental devices, and secondary beam characteristics are summarized. Production of neutron rich secondary beams was studied for the systems Ar40 + Be at 44 MeV/u, and 018 + Be at 45 and 65 MeV/u. Partial results were also obtained for the system Ne22 + Ta at 45 MeV/u. Experiments using secondary beams are classified into two categories: those which correspond to fast transfer of nuclei from the production target to a well shielded observation point; and those in which the radioactive beam interacts with a secondary target

  16. Is There a Limit to Growth? Comparing the Environmental Cost of an Airport’s Operations with Its Economic Benefit

    Directory of Open Access Journals (Sweden)

    Cherie Lu

    2017-11-01

    Full Text Available With the growing global awareness of the requirement for sustainable development, economic development is no longer the sole objective of business activities. The need to find a balance between environmental impacts and economic benefits is especially the case for airport operations in or around cities. This study measured the environmental costs and economic benefits and of an airport for a period of 10 years, using Taipei Songshan Airport for the empirical analysis, to examine whether the environmental costs could outweigh the economic benefits. Of all the environmental negative side effects, aircraft engine emissions and noise nuisance are considered the main sources of environmental impacts. The dose-response method and the hedonic price method, respectively, were used for estimating the social costs of these. Income generation from both direct and secondary employment is measured as economic benefits by applying the Garin-Lowry model, originally developed in 1966, for estimation of the employment multiplier. The results show that, in general, the operation of Taipei Songshan Airport brought more economic benefits than environmental costs. The sensitivity analysis of emissions and noise social cost parameters shows that the environmental costs might have exceeded the economic benefits in 2008 and 2009 in certain high emissions and noise social cost cases.

  17. The enrichment secondary market

    International Nuclear Information System (INIS)

    Einbund, D.R.

    1986-01-01

    This paper will addresses two topics: the background to the present status of the enrichment secondary market and the future outlook of the secondary market in enrichment services, and the viability of the nuclear fuel brokerage industry. These two topics are inevitably connected, as most secondary market activity, not only in enrichment but also in natural uranium, has traditionally been conducted with the participation of brokers. Therefore, the author interrelates these topics

  18. Secondary production in shallow marine environments

    International Nuclear Information System (INIS)

    Pomeroy, L.R.

    1976-01-01

    Recommendations are discussed with regard to population ecology, microbial food webs, marine ecosystems, improved instrumentation, and effects of land and sea on shallow marine systems. The control of secondary production is discussed with regard to present status of knowledge; research needs for studies on dominant secondary producers, food webs that lead to commercial species, and significant features of the trophic structure of shallow water marine communities. Secondary production at the land-water interface is discussed with regard to present status of knowledge; importance of macrophytes to secondary production; export to secondary consumers; utilization of macrophyte primary production; and correlations between secondary production and river discharge. The role of microorganisms in secondary production is also discussed

  19. An analysis model of the secondary tunnel lining considering ground-primary support-secondary lining interaction

    Energy Technology Data Exchange (ETDEWEB)

    Seo, Seong-Ho; Chang, Seok-Bue [Yooshin Engineering Corporation, Seoul(Korea); Lee, Sang-Duk [Ajou University, Suwon(Korea)

    2002-06-30

    It is the common practice to over design the reinforcement for the secondary tunnel lining due to the lack of rational insight into the ground loosening loads, and due to the conservative application of the empirical design methods. The main loads of the secondary lining are the ground loosening loads and the ground water pressure, and the ground load is critical in the reinforcement design of the secondary lining in the case of drained tunnel. If the external load is absent around a tunnel. the reasons of the load for secondary tunnel lining are the deterioration of the primary supports such as shotcrete, steel rib, and rock bolts. Accordingly, the analysis method considering the ground-primary supports-secondary lining interaction should be required for the rational design of the secondary tunnel lining. In this paper, the interaction was conceptually described by the simple mass-spring model and the load transfer from the ground and primary supports to the secondary lining is showed by the ground-primary supports-secondary lining reaction curves for the theoretical solution of a circular tunnel, And also, the application of this proposed model to numerical analysis is verified in order to check the potential for the tunnel with the complex analysis conditions. (author). 8 refs., 2 tabs., 7 figs.

  20. Outbursts from the secondary component in OJ 287 and the secondary spin-up

    Directory of Open Access Journals (Sweden)

    Pihajoki P.

    2012-12-01

    Full Text Available At the end of March 2012 a prominent optical outburst was observed in the binary black hole system OJ 287. It does not fit the expected sequence of outbursts from the primary component and the bremsstrahlung outbursts from the accretion disk impacts of the secondary component. These occur in a well established pattern repeated with an approximately 12 year interval. In this work we discuss the possibility that the outburst originates from the secondary black hole. The timing of the 2012 outburst relative to the expected sequence would make it a counterpart of the precursor outbursts in 1993 and 2004, which occured before the main pattern of outbursts. If so, it appears that a precursor occurs when the secondary reaches a constant level above the mean accretion disk level of the primary component. It may be that this encounter induces an outburst in the secondary which is nearly as prominent as the outbursts in the expected sequence. The strength of these outbursts depends strongly on the spin of the secondary. In this work we investigate the limits on the secondary spin-up and spin alignment from interaction with the accretion disk of the primary component and its magnetic field.

  1. A secondary meta-synthesis of qualitative studies of gender and access to cardiac rehabilitation.

    Science.gov (United States)

    Angus, Jan E; King-Shier, Kathryn M; Spaling, Melisa A; Duncan, Amanda S; Jaglal, Susan B; Stone, James A; Clark, Alexander M

    2015-08-01

    To discuss issues in the theorization and study of gender observed during a qualitative meta-synthesis of influences on uptake of secondary prevention and cardiac rehabilitation services. Women and men can equally benefit from secondary prevention/cardiac rehabilitation and there is a need to understand gender barriers to uptake. Meta-method analysis secondary to meta-synthesis. For the meta-synthesis, a systematic search was performed to identify and retrieve studies published as full papers during or after 1995 and contained: a qualitative research component wholly or in a mixed method design, extractable population specific data or themes for referral to secondary prevention programmes and adults ≥18 years. Databases searched between January 1995-31 October 2011 included: CSA Sociological Abstracts, EBSCOhost CINAHL, EBSCOhost Gender Studies, EBSCOhost Health Source Nursing: Academic Edition, EBSCOhost SPORTDiscus, EBSCOhost SocINDEX. Studies were reviewed against inclusion/exclusion criteria. Included studies were subject to quality appraisal and standardized data extraction. Of 2264 screened articles, 69 were included in the meta-method analysis. Only four studies defined gender or used gender theories. Findings were mostly presented as inherently the characteristic of gendered worldviews of participants. The major themes suggest a mismatch between secondary prevention/cardiac rehabilitation services and consumers' needs, which are usually portrayed as differing according to gender but may also be subject to intersecting influences such as age or socioeconomic status. There is a persistent lack of theoretically informed gender analysis in qualitative literature in this field. Theory-driven gender analysis will improve the conceptual clarity of the evidence base for gender-sensitive cardiac rehabilitation programme development. © 2015 John Wiley & Sons Ltd.

  2. A Review on Venom Enzymes Neutralizing Ability of Secondary Metabolites from Medicinal Plants

    Directory of Open Access Journals (Sweden)

    Pushpendra Singh

    2017-09-01

    Full Text Available Objectives: Medicinal plants are vital sources of bioactive compounds that are useful for the treatment of patients with snake bites or are indirectly applicable for boosting the effects of conventional serum therapy. These plants are being used traditionally by local healers and tribes for the treatment of patients with snake bites and therefore can be used as an alternative against snake envenomation. Scientifically, using the secondary metabolites of plants to neutralize venom enzymes has an extra benefit of being based on traditional knowledge; also, the use of such metabolites for the treatment of patients with snake bites is cheaper and the treatment can be started sooner. Methods: All the available information on various secondary metabolites exhibiting venom neutralizing ability were collected via electronic search (using Google books, Pubmed, SciFinder, Scirus, Google Scholar, and Web of Science and articles of peer-reviewed journals. Results: Recent interest in different plant has focused on isolating and identifying of different phytoconstituents that exhibit Phospholipase A2 activity and other venom enzyme neutralizing ability. In this support convincing evidence in experimental animal models are available. Conclusion: Secondary metabolites are naturally present, have no side effect, are stable for a long time, can be easily stored, and can neutralize a wide range of snake enzymes, such as phospholipase A2, hyaluronidase, protease, L-amino acid oxidase, 5’nucleotidase, etc. The current review presents a compilation of important plant secondary metabolites that are effective against snake venom due to enzyme neutralization.

  3. Web-based Collaborative learning in secondary education: Teachers’ reflection

    Directory of Open Access Journals (Sweden)

    Hsi-Chi Hsiao

    2010-06-01

    Full Text Available This article is based on the researchers’ reflections after twice participating in a Web-based Collaborative Learning Program Contest. The contests were held by Asia-Pacific Economic Cooperation (APEC Cyber Academy (ACA. In collaborative learning, teachers are expected to provide participants with scaffolding assistance. The ACA is designed to provide student-centered activities for enhancing skills in information and communication technologies. Students are expected to find data, prepare presentations, and report their topics in English to communicate with other teams from other countries. During these processes, the researcher tried to apply theoretical models such as computerized instruction and topic based learning. The results of this study show the various benefits of Web-based Collaborative Learning for students and teachers. This study also includes several recommendations for primary and secondary schools.

  4. Progressivity of health care financing and incidence of service benefits in Ghana.

    Science.gov (United States)

    Akazili, James; Garshong, Bertha; Aikins, Moses; Gyapong, John; McIntyre, Di

    2012-03-01

    The National Health Insurance (NHI) scheme was introduced in Ghana in 2004 as a pro-poor financing strategy aimed at removing financial barriers to health care and protecting all citizens from catastrophic health expenditures, which currently arise due to user fees and other direct payments. A comprehensive assessment of the financing and benefit incidence of health services in Ghana was undertaken. These analyses drew on secondary data from the Ghana Living Standards Survey (2005/2006) and from an additional household survey which collected data in 2008 in six districts covering the three main ecological zones of Ghana. Findings show that Ghana's health care financing system is progressive, driven largely by the progressivity of taxes. The national health insurance levy (which is part of VAT) is mildly progressive while NHI contributions by the informal sector are regressive. The distribution of total benefits from both public and private health services is pro-rich. However, public sector district-level hospital inpatient care is pro-poor and benefits of primary-level health care services are relatively evenly distributed. For Ghana to attain an equitable health system and fully achieve universal coverage, it must ensure that the poor, most of whom are not currently covered by the NHI, are financially protected, and it must address the many access barriers to health care.

  5. Issues and remedies for secondary system of PWR/VVER

    International Nuclear Information System (INIS)

    Nordmann, Francis; Odar, Suat; Rochester, Dewey

    2012-09-01

    Secondary side degradation of steam generators (SG) and Flow Accelerated Corrosion (FAC) in the secondary system have been for a long time important issues in PWR and VVER types of Nuclear Power Plants. With the evolution of the design, the most important issues are progressively moving from secondary side corrosion of Alloy 600 SG tubing, which is being replaced, to a larger variety of risks associated with potential inadequate chemistries. As far as FAC of carbon steel is concerned, the evolution of treatment selection for minimizing corrosion products transport toward the SG, as well as progressive replacement of components in the feedwater train, decreases the risk of dramatic failures which have occurred in the past. After having briefly explained the reason for the past problems encountered in the secondary system of PWR and VVER, this paper evaluates the risk associated with various impurities or contaminants that may be present in the secondary system and how to mitigate them in the most appropriate, efficient, economical and environmental friendly way. The covered species are sodium, calcium, magnesium, chloride, sulfate and sulfur compounds, fluorides, organic compounds, silica, oxygen, lead, ion exchange resins. This paper also proposes the best remedies for mitigating the new issues that may be encountered in operating plants or units under construction. These are mainly: - Selecting a steam water treatment able to minimize the quantity of corrosion products transported toward the SG; - Mitigating the risk of Flow Induced Vibration by a proper control of deposits in sensitive areas; - Minimizing the risk of concentration of impurities in local areas where they may induce corrosion; - Avoiding the presence of abnormal quantities of some species in SG, such as the detrimental presence of lead and ion exchange resin debris or the controversial presence of organic compounds; - Optimizing costs of maintenance activities (SG mechanical, chemical cleaning

  6. A case study exploring oral language choice between the target language and the l1s in mainstream CLIL and EFL secondary education

    Directory of Open Access Journals (Sweden)

    Maria Gené Gil

    2012-07-01

    Full Text Available This case study explores the purposes for which the target language (TL and the L1s were used orally by students (N=60 and teachers (N=3 in a mainstream CLIL secondary education context compared to EFL instruction in the Balearic Islands (Spain. Data were gathered by means of questionnaires addressed to students and teachers, oral interviews to instructors and observations of class sessions. The findings show some differences in the languages chosen to speak according to pedagogical functions –i.e. planned subject-based discourse– and real functions –i.e. unplanned discourse such as disciplinary or organizational matters– (Chavez 2003, with the TL being much more spoken in the former and with much lesser presence of the TL in the latter, especially in the case of the pupils. Moreover, specialized subject-matter terminology was almost always used in the TL by both the students and the teachers, even when speaking in the L1.

  7. Analysis of benefits

    OpenAIRE

    Kováříková, Kamila

    2012-01-01

    This master thesis deals with employee benefits in the current labour market, especially from the perspective of young employees. The first part is focused on the theory of motivation and employee benefits also with their tax impact on employee's income. Employee benefits in the current labour market, employee's satisfaction and employer's attitude to this issue are analyzed in the second part of this thesis.

  8. The knowledge of the inhabitants of Lesser Poland about the profession of an occupational therapist

    Directory of Open Access Journals (Sweden)

    Żmudzińska Urszula Ż

    2017-12-01

    Full Text Available Introduction: A contemporary model of occupational therapy differs from the previous model which was common in Poland in previous years. Therefore, the opinions of the society concerning the profession of an occupational therapist are constantly changing. Material and methods: The research included 244 inhabitants of Lesser Poland aged between 25 and 65 employed in various professions. A questionnaire regarding occupational therapy and the profession and competences of occupational therapists was applied in the study. Results: The presented results show that the job of an occupational therapist is perceived as a needed profession both by individuals who underwent such therapy and those who did not use such services. Responses regarding competences and activities in the profession of an occupational therapist revealed differences in the opinions of the study participants. Conclusions: Taking into account only competences and activities of an occupational therapist, associations of the study participants reflected the knowledge of the model of therapy that existed before and was mainly devoted to occupational therapy workshops. The respondents would trust an occupational therapist both in adapting the house to their needs and in performing exercises connected with activities of daily living.

  9. Consumer awareness, satisfaction, motivation and perceived benefits from using an after-hours GP helpline - A mixed methods study.

    Science.gov (United States)

    McKenzie, Rosemary

    2016-07-01

    The 'after hours GP helpline' (AGPH) was added to the nurse triage and advice services in Australia in July 2011 with the intention of improving access to general practitioner (GP) advice in the after-hours period. The objectives of the article are to examine consumer awareness, satisfaction, motivation for use and perceived benefits of using the AGPH. A mixed-methods approach used secondary data on population awareness and caller satisfaction, and an in-depth qualitative study of consumers. Awareness of the service was low but satisfaction was high. Users called the service because they did not know what to do, were afraid and/or could not access a health service after hours. Users derived reassurance and increased confidence in managing their health. A conceptual model identifying three experiential domains of dependence, access and health literacy illustrates the relationship between motivation for use and perceived benefits. The model may help to target the service to those who will benefit most.

  10. A benefit-risk assessment of class III antiarrhythmic agents

    DEFF Research Database (Denmark)

    Brendorp, Bente; Pedersen, Oledyg; Torp-Pedersen, Christian

    2002-01-01

    , which differentiates them from the others. However, all have potential serious adverse events. Proarrhythmia, especially torsade de pointes, is a common problem making the benefit-risk ratio of these drugs a key question. Class III drugs have been evaluated in different settings: primary and secondary...... prevention of ventricular arrhythmias and in treatment of atrial fibrillation or flutter. Based on existing evidence there is no routine indication for antiarrhythmic drug therapy other than beta-blockers in patients at high risk of sudden death. Subgroup analyses of trials with amiodarone and dofetilide......-intervals or - in the future - from genetic testing. Class III drugs are effective in converting atrial fibrillation to sinus rhythm and for the maintenance of sinus rhythm after conversion. This is currently by far the most important indication for this class of drugs. As defined by recent guidelines, amiodarone...

  11. Palliative care in the home: a case study of secondary histiocytic sarcoma in a 3-year-old child

    Directory of Open Access Journals (Sweden)

    Zuzana Karabová

    2013-12-01

    Full Text Available This article describes the medical, psychological, and social challenges encountered during home-based, family-centred palliative care of a 3-year-old female with secondary histiocytic sarcoma diagnosed during treatment for T-cell acute lymphoblastic leukaemia. Histiocytic sarcoma is an exceedingly rare cancer in adults, but even less frequent and highly aggressive when presenting as a secondary cancer in children. Comprehensive, multidisciplinary paediatric hospice care services are not widely available across Slovakia,thus limiting the number of patients and families offered such highly specialized end-of-life care. This case study illustrates the primary benefits for the child and family of such a program as well as the impact on the medical and nursing professionals working in the fi eld of paediatric haematology-oncology.

  12. Belongingness in Early Secondary School: Key Factors that Primary and Secondary Schools Need to Consider.

    Directory of Open Access Journals (Sweden)

    Sharmila Vaz

    Full Text Available It is unknown if, and how, students redefine their sense of school belongingness after negotiating the transition to secondary school. The current study used longitudinal data from 266 students with, and without, disabilities who negotiated the transition from 52 primary schools to 152 secondary schools. The study presents the 13 most significant personal student and contextual factors associated with belongingness in the first year of secondary school. Student perception of school belongingness was found to be stable across the transition. No variability in school belongingness due to gender, disability or household-socio-economic status (SES was noted. Primary school belongingness accounted for 22% of the variability in secondary school belongingness. Several personal student factors (competence, coping skills and school factors (low-level classroom task-goal orientation, which influenced belongingness in primary school, continued to influence belongingness in secondary school. In secondary school, effort-goal orientation of the student and perception of their school's tolerance to disability were each associated with perception of school belongingness. Family factors did not influence belongingness in secondary school. Findings of the current study highlight the need for primary schools to foster belongingness among their students at an early age, and transfer students' belongingness profiles as part of the hand-over documentation. Most of the factors that influenced school belongingness before and after the transition to secondary are amenable to change.

  13. Benefits of statin therapy and compliance in high risk cardiovascular patients

    Directory of Open Access Journals (Sweden)

    Joel A Lardizabal

    2010-09-01

    Full Text Available Joel A Lardizabal1, Prakash C Deedwania21Division of Cardiology, Department of Medicine, University of California in San Francisco (Fresno-MEP, Fresno, CA, USA; 2University of California in San Francisco, Chief of Cardiology, Veterans Affairs Central California System, Fresno, CA, USAAbstract: Cardiovascular disease (CVD remains the top cause of global mortality. There is considerable evidence that supports the mortality and morbidity benefit of statin therapy in coronary heart disease (CHD and stroke, both in primary and secondary prevention settings. Data also exist pointing to the advantage of statin treatment in other high-risk CVD conditions, such as diabetes, CKD, CHF, and PVD. National and international clinical guidelines in the management of these CVD conditions all advocate for the utilization of statin therapy in appropriate patients. However, overall compliance to statin therapy remains suboptimal. Patient-, physician-, and economic-related factors all play a role. These factors need to be considered in devising approaches to enhance adherence to guideline-based therapies. To fully reap the benefits of statin therapy, interventions which improve long-term treatment compliance in real-world settings should be encouraged.Keywords: cardiovascular disease, statin therapy, coronary heart disease, long-term treatment compliance

  14. First record of the Lesser Horseshoe bat, Rhinolophus hipposideros (Bechstein, 1800 (Rhinolophidae, Chiroptera from Syria

    Directory of Open Access Journals (Sweden)

    Adwan Shehab

    2006-09-01

    Full Text Available Abstract The lesser horseshoe bat Rhinolophus hipposideros was recorded for the first time from Syria in 2005-06. Two solitary hibernating specimens (a male and a female were collected from an underground cave in Basofan village, NW of Aleppo, and from Al Marqab Citadel, Banyas. External and cranial measurements are given for both specimens. The list of recorded species of bats of Syria includes 17 species. Riassunto Prima segnalazione di Rinolofo minore Rhinolophus hipposideros (Bechstein, 1800 (Rhinolophidae, Chiroptera in Siria La specie è stata rinvenuta nel 2005-06 con il ritrovamento di due esemplari solitari ibernanti (un maschio e una femmina, rispettivamente in una grotta presso il paese di Basofan, NO di Aleppo e in Al Marqab, Banyas. Per entrambi gli esemplari sono riportate le misure craniali e esterne. Con il ritrovamento del Rinolofo minore la chirotterofauna della Siria è attualmente rappresentata da 17 specie.

  15. 34 CFR 300.36 - Secondary school.

    Science.gov (United States)

    2010-07-01

    ... 34 Education 2 2010-07-01 2010-07-01 false Secondary school. 300.36 Section 300.36 Education... DISABILITIES General Definitions Used in This Part § 300.36 Secondary school. Secondary school means a nonprofit institutional day or residential school, including a public secondary charter school that provides...

  16. Job Satisfaction and Work Performance of Public Secondary School Teachers In Akoko North West Local Government Area Of Ondo State

    Directory of Open Access Journals (Sweden)

    Aroge Stephen Talabi

    2016-08-01

    Full Text Available The study examined the relationship between job satisfaction and work performance of secondary school teachers in Akoko North West Local Government Area of Ondo-State, Nigeria. The study population consisted of all secondary school teachers, while two hundred of them were randomly selected for the study. Regular payment of salary, opportunities for promotion, rapport with school authority, in-service training, job security, career prospect and retirement benefits were the variables considered. The questionnaire titled “Workers Opinion Survey Inventory (WOSI” and the Productivity Rating Scale (PRS which was in line with Annual Performance Evaluation Report (APPER was used to obtain information for the study. The data was analyzed using Pearson Product Correlation Moment.  One of the recommendations made include the onward review of policies, remuneration and work conditions of teachers in the public secondary schools in Nigeria for optimum productivity.

  17. Documentary-derived chronologies of rainfall variability in Antigua, Lesser Antilles, 1770–1890

    Directory of Open Access Journals (Sweden)

    A. J. Berland

    2013-06-01

    Full Text Available This paper presents the first extensive reconstruction of precipitation variability in the Lesser Antilles using historical documentary sources. Over 13 250 items of documentation pertaining to Antigua from the period 1769–1890 were consulted, including missionary, plantation and governmental papers as well as contemporary scholarly publications. Based on the predominant meteorological conditions observed throughout the island, each "rain-year" (December–November was assigned one of five classifications (very wet, wet, "normal", dry and very dry. Local weather references relating to seven plantations in central-eastern Antigua were grouped according to dry (December–April and wet seasons (May–November, each of which were also categorised in the aforementioned manner. Results comprise individual island-wide and central-eastern Antiguan chronologies of relative precipitation levels, spanning the rain-years 1769–70 to 1889–90 and 1769–70 to 1853–54 respectively. The former is compared with available instrumental data for the years 1870–1890. Significant dry phases are identified in the rain-years 1775–80, 1788–91, 1820–22, 1834–37, 1844–45, 1859–60, 1862–64, 1870–74 and 1881–82, while wet episodes were 1771–74, 1833–34, 1837–38, 1841–44, 1845–46 and 1878–81. Evidence for major wet and dry spells is presented and findings are evaluated within wider historical and palaeoclimatic contexts.

  18. Theory of mind in children with 'lesser variants' of autism: a longitudinal study.

    Science.gov (United States)

    Serra, M; Loth, F L; van Geert, P L C; Hurkens, E; Minderaa, R B

    2002-10-01

    The study investigated the development of theory-of-mind (ToM) knowledge in children with lesser variants' of autism (PDD-NOS) over a period thought to be critical for ToM development (i.e., 3 to 5 years of age). The sample included 11 children with PDD-NOS; 23 normally developing children were included for cross-sectional comparison and 13 normally developing children for longitudinal comparison. The groups were comparable in verbal and non-verbal mental age. Two storybooks were used for repeated assessment of various aspects of the children's theory of mind: emotion recognition, the distinction between physical and mental entities, prediction of behaviour and emotions on the basis of desires and prediction of behaviour and emotions on the basis of beliefs. The results showed that the children with PDD-NOS had specific difficulties in understanding and predicting other people's emotions on the basis of situational cues, desires and beliefs. However, their ability to predict actions from beliefs and desires were relatively intact. Compared to the normally developing children, these children achieved lower levels of theory-of-mind knowledge, both at time of initial assessment and approximately 6 months later. The data suggest that the theory-of-mind development of children with PDD-NOS is both delayed and deviant. The growth pattem of theory-of-mind skills in children with PDD-NOS seemed to be qualitatively different from the growth pattern found in the group of normally developing children.

  19. Efficiency and economic benefits of skipjack pole and line (huhate) in central Moluccas, Indonesia

    Science.gov (United States)

    Siahainenia, Stevanus M.; Hiariey, Johanis; Baskoro, Mulyono S.; Waeleruny, Wellem

    2017-10-01

    Excess fishing capacity is a crucial problem in marine capture fisheries. This phenomenon needed to be investigated regarding sustainability and development of the fishery. This research was aimed at analyzing technical efficiency (TE) and computing financial aspects of the skipjack pole and line. Primary data were collected from the owners of the fishing units at the different size of gross boat tonnage (GT), while secondary data were gathered from official publications relating to this research. Data envelopment analysis (DEA) approach was applied to estimate technical efficiency whereas a selected financial analysis was utilized to calculate economic benefits of the skipjack pole and line business. The fishing units with a size of 26-30 GT provided a higher TE value, and also achieved larger economic benefit values than that of the other fishing units. The empirical results indicate that skipjack pole and line in the size of 26-30 GT is a good fishing gear for the business development in central Moluccas.

  20. [Secondary thrombotic microangiopathies].

    Science.gov (United States)

    Coppo, P

    2017-11-01

    Thrombotic microangiopathies (TMA) are termed secondary when associated to a specific context favouring their occurrence. They encompass mainly TMA associated with pregnancy, allogeneic hematopoietic stem cell transplantation, cancer, drugs, or HIV infection. Secondary TMA represent a heterogeneous group of diseases which clinical presentation largely depends on the associated context. It is therefore mandatory to recognize these conditions since they have a significant impact in TMA management and prognosis. A successful management still represents a challenge in secondary TMA. Significant progresses have been made in the understanding of pregnancy-associated TMA, allowing an improvement of prognosis; on the opposite, other forms of secondary TMA such as hematopoietic stem cell transplantation-associated TMA or TMA associated with chemotherapy remain of dismal prognosis. A better understanding of pathophysiology in these forms of TMA, in association with a more empirical approach through the use of new therapeutic agents that can also help in the understanding on new mechanisms a posteriori, should improve their prognosis. The preliminary encouraging results reported with complement blockers in this field could represent a convincing example. Copyright © 2017 Société Nationale Française de Médecine Interne (SNFMI). Published by Elsevier SAS. All rights reserved.

  1. Is clopidogrel superior to aspirin in secondary prevention of vascular disease?

    Directory of Open Access Journals (Sweden)

    Algra Ale

    2000-11-01

    Full Text Available Abstract The cornerstone in clinical evidence of the relative efficacy of thienopyridines (clopidogrel, ticlopidine versus aspirin in the secondary prevention of vascular disease is the Clopidogrel versus Aspirin in Patients at Risk of Ischaemic Events trial. This trial showed a modest benefit in the reduction of vascular events by clopidogrel. The results differed according to qualifying disorder: myocardial infarction, -3.7%; ischaemic stroke, +7.3%; and peripheral arterial disease, +23.8% (P = 0.042. Similar results were found for ticlopidine after brain ischaemia. The safety of clopidogrel appears to be similar to that of aspirin and better than that of ticlopidine. However, the recent report of thrombotic thrombocytopenic purpura in association with clopidogrel causes concern.

  2. Locally advanced pancreatic adenocarcinoma. Chemoradiotherapy, reevaluation and secondary resection

    International Nuclear Information System (INIS)

    Delpero, J.R.; Turrini, O.

    2006-01-01

    Induction chemoradiotherapy (CRT) may down-stage locally advanced pancreatic tumors but secondary resections are unfrequent. However some responders' patients may benefit of a RO resection. Patients and methods. We report 18 resections among 29 locally advanced pancreatic cancers; 15 patients were treated with neo-adjuvant 5-FU-cisplatin based (13) or taxotere based (2 patients) chemoradiotherapy (45 Gy), and 3 patients without histologically proven adenocarcinoma were resected without any preoperative treatment. Results. The morbidity rate was 28% and the mortality rate was 7%; one patient died after resection (5.5%) and one died after exploration (9%). The RO resection rate was 50%. The median survival for the resected patients was not reached and the actuarial survival at 3 years was 59%. Two specimens showed no residual tumor and the two patients were alive at 15 and 46 months without recurrence; one specimen showed less than 10% viable tumoral cells and the patient was alive at 36 months without recurrence. A mesenteric infarction was the cause of a late death at 3 years in a disease free patient (radiation induced injury of the superior mesenteric artery). The median survival of the 11 non-resected patients was 21 months and the actuarial survival at 2 years was 0%. When the number of the resected patients (18) was reported to the entire cohort of the patients with locally advanced pancreatic cancer treated during the same period in our institution, the secondary resectability rate was 9%. Conclusion. Preoperative chemoradiotherapy identifies poor surgical candidates through observation and may enhance the margin status of patients undergoing secondary resection for locally advanced tumors. However it remains difficult to evaluate the results in the literature because of the variations in the definitions of resectability. The best therapeutic strategy remains to be defined, because the majority of patients ultimately succumb with distant metastatic disease

  3. Benefits of quitting tobacco

    Science.gov (United States)

    ... your risk of many serious health problems . THE BENEFITS OF QUITTING You may enjoy the following when ... about $2,000 a year on cigarettes. HEALTH BENEFITS Some health benefits begin almost immediately. Every week, ...

  4. Adrenal Mass Causing Secondary Hypertension.

    Science.gov (United States)

    Robinson, Darlene Y

    2015-11-01

    Most hypertensive patients have essential (primary) hypertension; only 5% to 10% have a secondary cause. Two clinical characteristics suggestive of secondary hypertension are early onset (hypertension (>180/110 mm Hg). When faced with these findings, clinicians should consider a secondary cause of hypertension. A 22-year-old woman being evaluated for asthma exacerbation in the emergency department was noted to have severe persistent hypertension. Additional evaluation revealed severe hypokalemia, metabolic alkalosis, and hypernatremia. The patient was admitted to the hospital for blood pressure management, electrolyte replacement, and further evaluation of presumed hyperaldosteronism. Diagnostic imaging revealed a large adrenal mass. Surgical resection was performed, leading to a diagnosis of hyperaldosteronism caused by adrenal carcinoma. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: Secondary hypertension is far less common than essential hypertension; however, considering the large volume of patients seen in emergency departments, it is likely that some will have secondary hypertension. Emergency physicians should be aware of the clinical characteristics that suggest secondary hypertension so that the appropriate diagnostic and treatment pathways can be pursued. Copyright © 2015 Elsevier Inc. All rights reserved.

  5. Evaluating the benefits of nuclear cardiology

    International Nuclear Information System (INIS)

    Maisey, M.

    1996-01-01

    This paper reviews the role of nuclear cardiology in the context of health care evaluation and resource utilisation. Nuclear cardiology procedures are used to detect disease, to define the extent of disease, to predict the outcome of therapy and to monitor the response to treatment. The evaluation of effectiveness will depend on the role for which the tests are being used. The evaluation of diagnostic tests most commonly follows the five level Fineberg classification. I) Technical capacity; II) diagnostic accuracy; III) diagnostic impact; IV) therapeutic impact; V) patient outcome. Tests may succeed or fail at each of these hierarchical levels. In addition to the clinical impact which is evaluated, the appropriate use of health care resources has to be considered , i.e. the cost effectiveness of the investigation. For this the costs of diagnosis and treatment in the resources used, together with the direct cost on the patient and patient carers needs to be considered. In addition to these direct costs to the community and to the patient and the carers the secondary downstream costs and opportunity costs have to be taken into account. The common methods for assessing the costs and benefits include cost minimization, cost effectiveness, cost utility, and cost benefit studies. The advantage and appropriate use of these methods are reviewed. There are seven clinical methods for evaluating diagnostics tests in nuclear cardiology which are: I) Case reports; II) consensus studies; III) databases; IV) management impact studies; V)modeling techniques; VI) management impact studies; VII) randomized control trial. Each of these has a role with advantages and disadvantages which are reviewed. It is no long sufficient to investigate the usefulness of a diagnostic test used in nuclear cardiology in isolation but it as to be within the context of the health care system and the resource used

  6. Lipid-lowering therapy: who can benefit

    Directory of Open Access Journals (Sweden)

    Lewis S

    2011-08-01

    Full Text Available Sandra J LewisNorthwest Cardiovascular Institute, Portland, OR, USAAbstract: Cardiovascular disease (CVD is the leading cause of death in the US. Despite the decline in CVD-associated mortality rates in recent years, coronary heart disease (CHD still causes one in every six deaths in this country. Because most CHD risk factors are modifiable (eg, smoking, hypertension, obesity, onset of type 2 diabetes, and dyslipidemia, cardiovascular risk can be reduced by timely and appropriate interventions, such as smoking cessation, diet and lifestyle changes, and lipid-modifying therapy. Dyslipidemia, manifested by elevated low-density lipoprotein cholesterol (LDL-C, is central to the development and progression of atherosclerosis, which can be silent for decades before triggering a first major cardiovascular event. Consequently, dyslipidemia has become a primary target of intervention in strategies for the prevention of cardiovascular events. The guidelines of the Adult Treatment Panel (ATP III, updated in 2004, recommend therapeutic lifestyle changes and the use of lipid-lowering medications, such as statins, to achieve specific LDL-C goals based on a person’s global cardiovascular risk. For high-risk individuals, such as patients with CHD and diabetic patients without CHD, an LDL-C target of < 100 mg/dL is recommended, and statin therapy should be considered to help patients achieve this goal. If correctly dosed in appropriate patients, currently approved statins are generally safe and provide significant cardiovascular benefits in diverse populations, including women, the elderly, and patients with diabetes. A recent primary prevention trial also showed that statins benefit individuals traditionally not considered at high risk of CHD, such as those with no hyperlipidemia but elevated C-reactive protein. Additional evidence suggests that statins may halt or slow atherosclerotic disease progression. Recent evidence confirms the pivotal role of

  7. Lipid-lowering therapy: who can benefit?

    Science.gov (United States)

    Lewis, Sandra J

    2011-01-01

    Cardiovascular disease (CVD) is the leading cause of death in the US. Despite the decline in CVD-associated mortality rates in recent years, coronary heart disease (CHD) still causes one in every six deaths in this country. Because most CHD risk factors are modifiable (eg, smoking, hypertension, obesity, onset of type 2 diabetes, and dyslipidemia), cardiovascular risk can be reduced by timely and appropriate interventions, such as smoking cessation, diet and lifestyle changes, and lipid-modifying therapy. Dyslipidemia, manifested by elevated low-density lipoprotein cholesterol (LDL-C), is central to the development and progression of atherosclerosis, which can be silent for decades before triggering a first major cardiovascular event. Consequently, dyslipidemia has become a primary target of intervention in strategies for the prevention of cardiovascular events. The guidelines of the Adult Treatment Panel (ATP) III, updated in 2004, recommend therapeutic lifestyle changes and the use of lipid-lowering medications, such as statins, to achieve specific LDL-C goals based on a person's global cardiovascular risk. For high-risk individuals, such as patients with CHD and diabetic patients without CHD, an LDL-C target of < 100 mg/dL is recommended, and statin therapy should be considered to help patients achieve this goal. If correctly dosed in appropriate patients, currently approved statins are generally safe and provide significant cardiovascular benefits in diverse populations, including women, the elderly, and patients with diabetes. A recent primary prevention trial also showed that statins benefit individuals traditionally not considered at high risk of CHD, such as those with no hyperlipidemia but elevated C-reactive protein. Additional evidence suggests that statins may halt or slow atherosclerotic disease progression. Recent evidence confirms the pivotal role of statins in primary and secondary prevention.

  8. Foot care knowledge and practices and the prevalence of peripheral neuropathy among people with diabetes attending a secondary care rural hospital in southern India.

    Science.gov (United States)

    George, Hanu; Rakesh, Ps; Krishna, Manjunath; Alex, Reginald; Abraham, Vinod Joseph; George, Kuryan; Prasad, Jasmin H

    2013-01-01

    Diabetes mellitus is a multifaceted disease and foot ulceration is one of its most common complications. Poor foot care knowledge and practices are important risk factors for foot problems among people with diabetes. To assess the knowledge and practices regarding foot care and to estimate the proportion of people with peripheral neuropathy among people with diabetes. The cross-sectional study was conducted in 212 consecutive diabetes patients attending the out-patient department of a rural secondary care hospital. A questionnaire which included demographic details, knowledge questionnaire, and Nottingham assessment of functional foot care was administered. The Michigan Neuropathy Screening Instrument was used to identify peripheral neuropathy. Descriptive analysis with frequency distribution for knowledge and practice scores, univariate analysis, and multiple logistic regressions to find significant variables associated with good knowledge and practice scores. About 75% had good knowledge score and 67% had good foot care practice score. Male gender (OR 2.36, 95% CI 1.16-4.79), poor education status (OR 2.40, 95% CI 1.19-4.28), and lesser duration of diabetes (OR 2.24, 95% CI 1.15-4.41) were significantly associated with poor knowledge on foot care. Poor knowledge was associated with poor foot care practices (OR 3.43, 95% CI 1.75-6.72). The prevalence of neuropathy was 47% (95% CI 40.14-53.85) and it was associated with longer duration of the disease (OR 2.18, 95% CI 1.18-4.04). There exist deficiencies in knowledge and practices regarding foot care. Male gender, low education, and lesser duration of diabetes are associated with poor knowledge scores. The prevalence of diabetic peripheral neuropathy is high.

  9. Reconstitution of a secondary cell wall in a secondary cell wall-deficient Arabidopsis mutant.

    Science.gov (United States)

    Sakamoto, Shingo; Mitsuda, Nobutaka

    2015-02-01

    The secondary cell wall constitutes a rigid frame of cells in plant tissues where rigidity is required. Deposition of the secondary cell wall in fiber cells contributes to the production of wood in woody plants. The secondary cell wall is assembled through co-operative activities of many enzymes, and their gene expression is precisely regulated by a pyramidal cascade of transcription factors. Deposition of a transmuted secondary cell wall in empty fiber cells by expressing selected gene(s) in this cascade has not been attempted previously. In this proof-of-concept study, we expressed chimeric activators of 24 transcription factors that are preferentially expressed in the stem, in empty fiber cells of the Arabidopsis nst1-1 nst3-1 double mutant, which lacks a secondary cell wall in fiber cells, under the control of the NST3 promoter. The chimeric activators of MYB46, SND2 and ANAC075, as well as NST3, reconstituted a secondary cell wall with different characteristics from those of the wild type in terms of its composition. The transgenic lines expressing the SND2 or ANAC075 chimeric activator showed increased glucose and xylose, and lower lignin content, whereas the transgenic line expressing the MYB46 chimeric activator showed increased mannose content. The expression profile of downstream genes in each transgenic line was also different from that of the wild type. This study proposed a new screening strategy to identify factors of secondary wall formation and also suggested the potential of the artificially reconstituted secondary cell walls as a novel raw material for production of bioethanol and other chemicals. © The Author 2014. Published by Oxford University Press on behalf of Japanese Society of Plant Physiologists.

  10. Conceptualizing RTI in 21st-Century Secondary Science Classrooms: Video Games' Potential to Provide Tiered Support and Progress Monitoring for Students with Learning Disabilities

    Science.gov (United States)

    Marino, Matthew T.; Beecher, Constance C.

    2010-01-01

    Secondary schools across the United States are adopting response to intervention (RTI) as a means to identify students with learning disabilities (LD) and provide tiered instructional interventions that benefit all students. The majority of current RTI research focuses on students with reading difficulties in elementary school classrooms.…

  11. Costs and benefits of insecticide and foliar nutrient applications to huanglongbing-infected citrus trees.

    Science.gov (United States)

    Tansey, James A; Vanaclocha, Pilar; Monzo, Cesar; Jones, Moneen; Stansly, Philip A

    2017-05-01

    The Asian citrus psyllid (ACP), Diaphorina citri Kuwayama (Hemiptera: Psyllidae), vectors Candidatus Liberibacter asiaticus, which causes huanglongbing (HLB). In Florida, HLB incidence is approaching 100% statewide. Yields have decreased and production costs have increased since 2005. Despite this, some growers are maintaining a level of production and attribute this in part to aggressive psyllid control and foliar nutrition sprays. However, the value of these practices is debated. A replicated field study was initiated in 2008 in a commercial block of 'Valencia' sweet orange trees to evaluate individual and combined effects of foliar nutrition and ACP control. Results from 2012-2016 are presented. Insecticides consistently reduced ACP populations. However, neither insecticide nor nutrition applications significantly influenced HLB incidence or PCR copy number in mature trees. In reset trees, infection continued to build and reached 100% in all treatments. Greatest yields (kg fruit ha -1 ) and production (kg solids ha -1 ) were obtained from trees receiving both insecticides and foliar nutrition. All treatments resulted in production and financial gains relative to controls. However, material and application costs associated with the nutrition component offset these gains, resulting in lesser benefits than insecticides applied alone. © 2016 Society of Chemical Industry. © 2016 Society of Chemical Industry.

  12. Importance of physical health and health-behaviors in adolescence for risk of dropout from secondary education in young adulthood: an 8-year prospective study.

    Science.gov (United States)

    Svansdottir, Erla; Arngrimsson, Sigurbjorn A; Sveinsson, Thorarinn; Johannsson, Erlingur

    2015-11-24

    Education and health constitute two interlinked assets that are highly important to individuals. In Iceland, prevalence of dropout from secondary education poses a considerable problem. This 8-year prospective study assesses to what extent poor physical health and negative health-behaviors of Icelandic adolescents predict increased odds of dropout from secondary education. The sample included n = 201 Icelandic children who participated at age 15 (baseline) and again at age 23 (follow-up). Data included objective measurements of physical health and questionnaires assessing health-behaviors, education status, parental education, neighborhood characteristics, self-esteem, and depression. Independent t-tests and chi-square were used to assess differences in physical health and health-behaviors at follow-up stratified by education status. Ordinal regression models were conducted to assess whether physical health and health-behaviors at age 15 predicted increased odds of dropout from secondary education at age 23, independent of gender, parental education and psychological factors. At age 23, 78 % of girls and 71 % of boys had completed a secondary education. Completion of a secondary education was associated with significant health benefits, especially among women. Women without a secondary education had lower fitness, more somatic complaints, higher diastolic blood pressure, less sports participation, and poorer sleep, whilst men without a secondary education watched more television. In logistic regression models somatic complaints during adolescence were associated with 1.09 (95 % CI: 1.02-1.18) higher odds of dropout from secondary education in young adulthood, independent of covariates. Health-behaviors associated with higher dropout odds included smoking (3.67, 95 % CI: 1.50-9.00), alcohol drinking (2.57, 95 % CI: 1.15-5.75), and time spent watching television (1.27, 95 % CI:1.03-1.56), which were independent of most covariates. Finally, mother's higher

  13. Medicare Hospice Benefits

    Science.gov (United States)

    CENTERS for MEDICARE & MEDICAID SERVICES Medicare Hospice Benefits This official government booklet includes information about Medicare hospice benefits: Who’s eligible for hospice care What services are included in hospice care How ...

  14. 20 CFR 404.467 - Nonpayment of benefits; individual entitled to disability insurance benefits or childhood...

    Science.gov (United States)

    2010-04-01

    ... type of substantial gainful activity. (b) Childhood disability benefits. An individual who has attained... Nonpayments of Benefits § 404.467 Nonpayment of benefits; individual entitled to disability insurance benefits... definition of disability for disability insurance benefits purposes based on statutory blindness, as defined...

  15. The Subduction of an Exhumed and Serpentinized Magma-Poor Basement Beneath the Northern Lesser Antilles Reveals the Early Tectonic Fabric at Slow-Spreading Mid-Oceanic Ridges

    Science.gov (United States)

    Marcaillou, B.; Klingelhoefer, F.; Laurencin, M.; Biari, Y.; Graindorge, D.; Jean-Frederic, L.; Laigle, M.; Lallemand, S.

    2017-12-01

    Multichannel and wide-angle seismic data as well as heat-flow measurements (ANTITHESIS cruise, 2016) reveal a 200x200km patch of magma-poor oceanic basement in the trench and beneath the outer fore-arc offshore of Antigua to Saint Martin in the Northern Lesser Antilles. These data highlight an oceanic basement with the following features: 1/ Absence of any reflection at typical Moho depth and layer2/layer3 limit depths. 2/ High Velocity Vp at the top (>5.5 km/s), low velocity gradient with depth (serpentinized at the slow-spreading mid-Atlantic Ridge 80 Myr ago, is currently subducting beneath the Northern Lesser Antilles. During the exhumation, early extension triggers penetrative shear zones sub-parallel to the ridge and to the transform fault. Eventually, this early extension generates sliding along the so-called detachment fault, while the other proto-detachment abort. Approaching the trench, the plate bending reactivates these weak zones in normal faults and fluid pathways promoting deep serpentinisation and localizing tectonic deformation at the plate interface. These subducting fluid-rich mechanically weak mantle rocks rise questions about their relation to the faster slab deepening, the lower seismic activity and the pervasive tectonic partitioning in this margin segment.

  16. Secondary Use and Analysis of Big Data Collected for Patient Care.

    Science.gov (United States)

    Martin-Sanchez, F J; Aguiar-Pulido, V; Lopez-Campos, G H; Peek, N; Sacchi, L

    2017-08-01

    Objectives: To identify common methodological challenges and review relevant initiatives related to the re-use of patient data collected in routine clinical care, as well as to analyze the economic benefits derived from the secondary use of this data. Through the use of several examples, this article aims to provide a glimpse into the different areas of application, namely clinical research, genomic research, study of environmental factors, and population and health services research. This paper describes some of the informatics methods and Big Data resources developed in this context, such as electronic phenotyping, clinical research networks, biorepositories, screening data banks, and wide association studies. Lastly, some of the potential limitations of these approaches are discussed, focusing on confounding factors and data quality. Methods: A series of literature searches in main bibliographic databases have been conducted in order to assess the extent to which existing patient data has been repurposed for research. This contribution from the IMIA working group on "Data mining and Big Data analytics" focuses on the literature published during the last two years, covering the timeframe since the working group's last survey. Results and Conclusions: Although most of the examples of secondary use of patient data lie in the arena of clinical and health services research, we have started to witness other important applications, particularly in the area of genomic research and the study of health effects of environmental factors. Further research is needed to characterize the economic impact of secondary use across the broad spectrum of translational research. Georg Thieme Verlag KG Stuttgart.

  17. Internal Medicine Hospitalists' Perceived Barriers and Recommendations for Optimizing Secondary Prevention of Osteoporotic Hip Fractures.

    Science.gov (United States)

    Tan, Eng Keong; Loh, Kah Poh; Goff, Sarah L

    2017-12-01

    Osteoporosis is a major public health concern affecting an estimated 10 million people in the United States. To the best of our knowledge, no qualitative study has explored barriers perceived by medicine hospitalists to secondary prevention of osteoporotic hip fractures. We aimed to describe these perceived barriers and recommendations regarding how to optimize secondary prevention of osteoporotic hip fracture. In-depth, semistructured interviews were performed with 15 internal medicine hospitalists in a tertiary-care referral medical center. The interviews were analyzed with directed content analysis. Internal medicine hospitalists consider secondary osteoporotic hip fracture prevention as the responsibility of outpatient physicians. Identified barriers were stratified based on themes including physicians' perception, patients' characteristics, risks and benefits of osteoporosis treatment, healthcare delivery system, and patient care transition from the inpatient to the outpatient setting. Some of the recommendations include building an integrated system that involves a multidisciplinary team such as the fracture liaison service, initiating a change to the hospital policy to facilitate inpatient care and management of osteoporosis, and creating a smooth patient care transition to the outpatient setting. Our study highlighted how internal medicine hospitalists perceive their role in the secondary prevention of osteoporotic hip fractures and what they perceive as barriers to initiating preventive measures in the hospital. Inconsistency in patient care transition and the fragmented nature of the existing healthcare system were identified as major barriers. A fracture liaison service could remove some of these barriers.

  18. Forage digestibility and intake by lesser snow geese: effects of dominance and resource heterogeneity

    Science.gov (United States)

    Hupp, Jerry W.; White, Robert G.; Sedinger, James S.; Robertson, Donna G.

    1996-01-01

    We measured forage intake, digestibility, and retention time for 11 free-ranging, human-imprinted lesser snow geese (Chen caerulescens caerulescens) as they consumed underground stembases of tall cotton-grass (Eriophorum angustifolium) on an arctic staging area in northeastern Alaska. Geese fed in small patches (x̄=21.5 m2) of forage that made up ≤3% of the study area and consisted of high-quality “aquatic graminoid” and intermediate-quality “wet sedge” vegetation types. Dominant geese spent more time feeding in aquatic graminoid areas (r=0.61), but less total time feeding and more time resting than subdominant geese. Subdominant geese were displaced to areas of wet sedge where cotton-grass was a smaller proportion of underground biomass. Geese metabolized an average of 48% of the organic matter in stembases and there was a positive correlation between dominance and organic matter metabolizability (r=0.61). Total mean retention time of forage was 1.37 h and dry matter intake was 14.3 g/h. Snow geese that stage on the coastal plain of the Beaufort Sea likely use an extensive area because they consume a large mass of forage and exploit habitats that are patchily distributed and make up a small percentage of the landscape. Individual variation in nutrient absorption may result from agonistic interactions in an environment where resources are heterogeneously distributed.

  19. Electrophysiology and Innervation of the Photosensitive Epistellar Body in the Lesser Octopus Eledone cirrhosa.

    Science.gov (United States)

    Cobb, C S; Williamson, R

    1998-08-01

    The innervation and responses to light of the cephalopod epistellar body were investigated in preparations isolated from the stellate ganglia of the lesser or northern octopus, Eledone cirrhosa. Extracellular generator potentials in response to flashes of light were recorded from these photosensitive vesicles, with the amplitude of the response being found to be dependent upon the intensity of the flash and the level of ambient illumination. Intracellular recordings from photoreceptor cells of the epistellar body showed that they had resting potentials of about -49 +/- 7 mV (mean +/- SD, n = 43) and were depolarized by flashes of white, but not red (>650 nm) light. The evoked depolarization consisted of a transient component, followed by a steady plateau in which the amplitude of the depolarization was well correlated with the log of the stimulus intensity. The evoked depolarizations induced action potentials in the photoreceptor cells, with the frequency of firing being well correlated with the stimulus intensity. The morphologies of individual photoreceptor cells were visualized by intracellular injections of the fluorescent dye Lucifer yellow, and the path of the epistellar nerve across the stellate ganglion, into the pallial nerve, toward the brain was traced using the lipophilic dye Di-I. This pathway was confirmed physiologically by recording light-evoked responses from the cut end of the pallial nerve.

  20. Female reproductive tract of the lesser anteater (Tamandua tetradactyla, myrmecophagidae, Xenarthra). Anatomy and histology.

    Science.gov (United States)

    Rossi, L F; Luaces, J P; Marcos, H J Aldana; Cetica, P D; Gachen, G; Jimeno, G Pérez; Merani, M S

    2011-11-01

    The morphological and histological features of the unusual reproductive tract of the female lesser anteater, Tamandua tetradactyla (Myrmecophagidae, Xenarthra), are described for the first time. The present study aimed to establish the main similarities and differences between this species and other xenarthrans. The populations of this species are declining rapidly for a number of reasons and our study is relevant to diverse programs related to its conservation. Studies were carried out on five female genital tracts of adult specimens. Ovaries were ovoid, presenting a medulla completely surrounded by the cortex, differently from that described in other xenarthans. Like in Dasypus but different from all other armadillos studied, single oocyte follicles were observed and a simple the uterus. The uterovaginal canal connects the uterus with the urogenital sinus. The simple columnar epithelium of the uterovaginal canal ends abruptly at a septum which resembles a hymen, where the transitional epithelium of the urogenital sinus appears. This ancestral feature is shared with that of other armadillos, except Tolypeutes matacus, which has a true vagina. Characteristics of the reproductive tract and sperm morphology of other Xenarthra are comparatively discussed. These observations suggest that important reproductive features are shared between the family Myrmecophagidae and the genus Dasypus, a basal group in the phylogeny of Xenarthra. Copyright © 2011 Wiley-Liss, Inc.

  1. Benefits of Exercise

    Science.gov (United States)

    ... activity into your life. To get the most benefit, you should try to get the recommended amount ... likely even live longer. What are the health benefits of exercise? Regular exercise and physical activity may ...

  2. 77 FR 74353 - Benefits Payable in Terminated Single-Employer Plans; Interest Assumptions for Paying Benefits

    Science.gov (United States)

    2012-12-14

    ... regulation will be 0.75 percent for the period during which a benefit is in pay status and 4.00 percent... PENSION BENEFIT GUARANTY CORPORATION 29 CFR Part 4022 Benefits Payable in Terminated Single-Employer Plans; Interest Assumptions for Paying Benefits AGENCY: Pension Benefit Guaranty Corporation...

  3. Health promotion in primary and secondary schools in Denmark

    DEFF Research Database (Denmark)

    Nabe-Nielsen, Kirsten; Krølner, Rikke; Mortensen, Laust Hvas

    2015-01-01

    BACKGROUND: Schools are important arenas for interventions among children as health promoting initiatives in childhood is expected to have substantial influence on health and well-being in adulthood. In countries with compulsory school attention, all children could potentially benefit from health...... promotion at the school level regardless of socioeconomic status or other background factors. The first aim was to elucidate time trends in the number and types of school health promoting activities by describing the number and type of health promoting activities in primary and secondary schools in Denmark....... The second aim was to investigate which characteristics of schools and students that are associated with participation in many (≥3) versus few (0-2) health promoting activities during the preceding 2-3 years. METHODS: We used cross-sectional data from the 2006- and 2010-survey of the Health Behaviour...

  4. Employee motivation and benefits

    OpenAIRE

    Březíková, Tereza

    2009-01-01

    The topic of my bachelor's thesis is the employee motivation and benefits. The thesis is divided in two parts, a theoretical one and a practical one. The theoretical part deals with the theory of motivation and individual employee benefits. The practical part describes employee benefits in ČSOB, where I did my research by questionnaires that were filled in by employees from different departments of ČSOB. These employees answered questions about their work motivation and benefits. The resultts...

  5. Secondary metabolites from Ganoderma.

    Science.gov (United States)

    Baby, Sabulal; Johnson, Anil John; Govindan, Balaji

    2015-06-01

    Ganoderma is a genus of medicinal mushrooms. This review deals with secondary metabolites isolated from Ganoderma and their biological significance. Phytochemical studies over the last 40years led to the isolation of 431 secondary metabolites from various Ganoderma species. The major secondary compounds isolated are (a) C30 lanostanes (ganoderic acids), (b) C30 lanostanes (aldehydes, alcohols, esters, glycosides, lactones, ketones), (c) C27 lanostanes (lucidenic acids), (d) C27 lanostanes (alcohols, lactones, esters), (e) C24, C25 lanostanes (f) C30 pentacyclic triterpenes, (g) meroterpenoids, (h) farnesyl hydroquinones (meroterpenoids), (i) C15 sesquiterpenoids, (j) steroids, (k) alkaloids, (l) prenyl hydroquinone (m) benzofurans, (n) benzopyran-4-one derivatives and (o) benzenoid derivatives. Ganoderma lucidum is the species extensively studied for its secondary metabolites and biological activities. Ganoderma applanatum, Ganoderma colossum, Ganoderma sinense, Ganoderma cochlear, Ganoderma tsugae, Ganoderma amboinense, Ganoderma orbiforme, Ganoderma resinaceum, Ganoderma hainanense, Ganoderma concinna, Ganoderma pfeifferi, Ganoderma neo-japonicum, Ganoderma tropicum, Ganoderma australe, Ganoderma carnosum, Ganoderma fornicatum, Ganoderma lipsiense (synonym G. applanatum), Ganoderma mastoporum, Ganoderma theaecolum, Ganoderma boninense, Ganoderma capense and Ganoderma annulare are the other Ganoderma species subjected to phytochemical studies. Further phytochemical studies on Ganoderma could lead to the discovery of hitherto unknown biologically active secondary metabolites. Copyright © 2015 Elsevier Ltd. All rights reserved.

  6. Teachers' voices: A comparison of two secondary science teacher preparation programs

    Science.gov (United States)

    Kohlhaas Labuda, Kathryn

    This dissertation, using cross-case qualitative methodology, investigates the salient and latent features of two philosophically different university-based secondary science teacher preparation programs. Written documents from the two programs and from the Salish I Research project provided the salient data. New teachers' interview transcripts provided the latent data. This study provides the opportunity to hear teachers voice their perceptions of preparation programs. Three questions were investigated in this research study. First, What are the salient features of two different secondary science teacher preparation programs? Second, What are the latent features of two different secondary science teacher programs as perceived by new teachers? Third, How do new secondary science teachers from different programs perceive their preservice programs? The last question incorporates teachers' perceptions of gaps and coherence in the programs and teachers' recommendations to improve their preservice programs. Salient features of the programs revealed differences in the types of certification, and the amounts and types of required course work. Both programs certified teachers at the secondary science level, but only M program certified their teachers as elementary science specialists. Program M required more semester hours of education and science course work than Program S. Although teachers from both programs perceived little coherence between their science and education courses, S-teachers presented a more fragmented picture of their education program and perceived fewer benefits from the program. Lack of relevance and courses that focused on elementary teaching were perceived as part of the problem. M-teachers perceived some cohesion through the use of cohorts in three consecutive semesters of science methods courses that provided multiple field experiences prior to student teaching. S-teachers did not perceive an organized philosophy of their program. M

  7. Secondary Fire Analysis.

    Science.gov (United States)

    1981-09-01

    Megaton Weapons and Secondary Ignition There are very few well documented data on fires initiated by physical damage (i.e., secondary ignitions). Those data...where significant physical damage to buildings and/or contents can occur. Where this outer bound is located relative to the primary ignition range is...maintenance 7.9 Busline facilities, including shops 3.0 Convalescent homes8 3.1 Hospitals 8.0 Radio and television transmitters Collges and universities

  8. Secondary electron emission from insulators

    International Nuclear Information System (INIS)

    Kanaya, K.; Ono, S.; Ishigaki, F.

    1978-01-01

    The high yield of secondary electron emission from insulators due to electron bombardment may be the result of an increase of the depth of escape. The free-electron scattering theory is applied to the high energy of primary beams, but cannot be applied to the low energy of secondary escaping beams because of the large energy gap of the insulators. The plasmon loss with the valence electron is considered when the secondary electrons escape. Based on the energy retardation power formula of the penetration and energy loss of an electron probe into solid targets, secondary electron emissions from insulators are calculated from the assumptions that the distribution of the secondary electrons due to both incident and back-scattered electrons within the target is isotropic and that it follows the absorption law of the Lenard type. The universal yield-energy curve of the secondary electron emission, which is deduced as a function of three parameters such as ionisation potential, valence electron and the back-scattered coefficient in addition to the free-electron density effect, is found to be in good agreement with the experimental results. (author)

  9. Secondary osteoporosis.

    Science.gov (United States)

    Gennari, C; Martini, G; Nuti, R

    1998-06-01

    Generalized osteoporosis currently represents a heterogeneous group of conditions with many different causes and pathogenetic mechanisms, that often are variably associated. The term "secondary" is applied to all patients with osteoporosis in whom the identifiable causal factors are other than menopause and aging. In this heterogeneous group of conditions, produced by many different pathogenetic mechanisms, a negative bone balance may be variably associated with low, normal or increased bone remodeling states. A consistent group of secondary osteoporosis is related to endocrinological or iatrogenic causes. Exogenous hypercortisolism may be considered an important risk factor for secondary osteoporosis in the community, and probably glucocorticoid-induced osteoporosis is the most common type of secondary osteoporosis. Supraphysiological doses of corticosteroids cause two abnormalities in bone metabolism: a relative increase in bone resorption, and a relative reduction in bone formation. Bone loss, mostly of trabecular bone, with its resultant fractures is the most incapacitating consequence of osteoporosis. The estimated incidence of fractures in patients prescribed corticosteroid is 30% to 50%. Osteoporosis is considered one of the potentially serious side effects of heparin therapy. The occurrence of heparin-induced osteoporosis appeared to be strictly related to the length of treatment (over 4-5 months), and the dosage (15,000 U or more daily), but the pathogenesis is poorly understood. It has been suggested that heparin could cause an increase in bone resorption by increasing the number of differentiated osteoclasts, and by enhancing the activity of individual osteoclasts. Hyperthyroidism is frequently associated with loss of trabecular and cortical bone; the enhanced bone turnover that develops in thyrotoxicosis is characterized by an increase in the number of osteoclasts and resorption sites, and an increase in the ratio of resorptive to formative bone

  10. Secondary coolant purification system

    International Nuclear Information System (INIS)

    Stiteler, F.Z.; Donohue, J.P.

    1978-01-01

    The present invention combines the attributes of volatile chemical addition, continuous blowdown, and full flow condensate demineralization. During normal plant operation (defined as no primary to secondary leakage) condensate from the condenser is pumped through a full flow condensate demineralizer system by the condensate pumps. Volatile chemical additions are made. Dissolved and suspended solids are removed in the condensate polishers by ion exchange and/or filtration. At the same time a continuous blowdown of approximately 1 percent of the main steaming rate of the steam generators is maintained. Radiation detectors monitor the secondary coolant. If these monitors indicate no primary to secondary leakage, the blowdown is cooled and returned directly to the condensate pump discharge. If one of the radiation monitors should indicate a primary to secondary leak, when the temperature of the effluent exiting from the blowdown heat exchanger is compatible with the resin specifications of the ion exchangers, the bypass valve causes the blowdown flow to pass through the blowdown ion exchangers

  11. Economic valuation of environmental benefits of removing pharmaceutical and personal care products from WWTP effluents by ozonation

    Energy Technology Data Exchange (ETDEWEB)

    Molinos-Senante, M., E-mail: maria.molinos@uv.es [Department of Mathematics for Economy, Universitat de Valencia, Campus dels Tarongers, 46022 Valencia (Spain); Reif, R., E-mail: rreif@icra.cat [Laboratory of Chemical and Environmental Engineering (LEQUIA), Universitat de Girona, Facultat Ciències, Campus Montilivi, 17071 Girona (Spain); Chemical Engineering Department, Universidade de Santiago de Compostela, Rua Lope Gomez de Marzoa s/n, 15782 Santiago de Compostela (Spain); Garrido-Baserba, M., E-mail: mgarrido@icra.cat [Catalan Institute for Water Research, Scientific and Technological Park, H2O Building, Emili Grahit 101, 17003 Girona (Spain); Laboratory of Chemical and Environmental Engineering (LEQUIA), Universitat de Girona, Facultat Ciències, Campus Montilivi, 17071 Girona (Spain); Hernández-Sancho, F., E-mail: francesc.hernandez@uv.es [Department of Applied Economics II, Universitat de Valencia, Campus dels Tarongers, 46022 Valencia (Spain); Omil, F., E-mail: francisco.omil@usc.es [Chemical Engineering Department, Universidade de Santiago de Compostela, Rua Lope Gomez de Marzoa s/n, 15782 Santiago de Compostela (Spain); Poch, M., E-mail: manel@lequia.udg.edu [Catalan Institute for Water Research, Scientific and Technological Park, H2O Building, Emili Grahit 101, 17003 Girona (Spain); Laboratory of Chemical and Environmental Engineering (LEQUIA), Universitat de Girona, Facultat Ciències, Campus Montilivi, 17071 Girona (Spain); Sala-Garrido, R., E-mail: ramon.sala@uv.es [Department of Mathematics for Economy, Universitat de Valencia, Campus dels Tarongers, 46022 Valencia (Spain)

    2013-09-01

    Continuous release of pharmaceutical and personal care products (PPCPs) present in effluents from wastewater treatment plants (WWTPs) is nowadays leading to the adoption of specific measures within the framework of the Directive 2000/60/EC (Water Framework Directive). The ozonation process, normally employed for drinking water production, has also proven its potential to eliminate PPCPs from secondary effluents in spite of their low concentrations. However, there is a significant drawback related with the costs associated with its implementation. This lack of studies is especially pronounced regarding the economic valuation of the environmental benefits associated to avoid the discharge of these pollutants into water bodies. For the first time the shadow prices of 5 PPCPs which are ethynilestradiol, sulfamethoxazole, diclofenac, tonalide and galaxolide from treated effluent using a pilot-scale ozonation reactor have been estimated. From non-sensitive areas their values are − 73.73; − 34.95; − 42.20; − 10.98; and − 8.67 respectively and expressed in €/kg. They represent a proxy to the economic value of the environmental benefits arisen from undischarged pollutants. This paper contributes to value the environmental benefits of implementing post-treatment processes aimed to achieve the quality standards required by the Priority Substances Directive. - Highlights: • Environmental Benefit Analysis of PPCPs • PPCPs' removal depends on their functional group and molecular structures. • Shadow prices as a proxy of the environmental benefits from ozonation process • HHCB and AHTN have the lowest shadow prices. • The greatest environmental benefit is associated with the removal of DCF.

  12. Economic valuation of environmental benefits of removing pharmaceutical and personal care products from WWTP effluents by ozonation

    International Nuclear Information System (INIS)

    Molinos-Senante, M.; Reif, R.; Garrido-Baserba, M.; Hernández-Sancho, F.; Omil, F.; Poch, M.; Sala-Garrido, R.

    2013-01-01

    Continuous release of pharmaceutical and personal care products (PPCPs) present in effluents from wastewater treatment plants (WWTPs) is nowadays leading to the adoption of specific measures within the framework of the Directive 2000/60/EC (Water Framework Directive). The ozonation process, normally employed for drinking water production, has also proven its potential to eliminate PPCPs from secondary effluents in spite of their low concentrations. However, there is a significant drawback related with the costs associated with its implementation. This lack of studies is especially pronounced regarding the economic valuation of the environmental benefits associated to avoid the discharge of these pollutants into water bodies. For the first time the shadow prices of 5 PPCPs which are ethynilestradiol, sulfamethoxazole, diclofenac, tonalide and galaxolide from treated effluent using a pilot-scale ozonation reactor have been estimated. From non-sensitive areas their values are − 73.73; − 34.95; − 42.20; − 10.98; and − 8.67 respectively and expressed in €/kg. They represent a proxy to the economic value of the environmental benefits arisen from undischarged pollutants. This paper contributes to value the environmental benefits of implementing post-treatment processes aimed to achieve the quality standards required by the Priority Substances Directive. - Highlights: • Environmental Benefit Analysis of PPCPs • PPCPs' removal depends on their functional group and molecular structures. • Shadow prices as a proxy of the environmental benefits from ozonation process • HHCB and AHTN have the lowest shadow prices. • The greatest environmental benefit is associated with the removal of DCF

  13. Combining Geological and Geophysical Data in Volcanic Hazard Estimation for Dominica, Lesser Antilles

    Science.gov (United States)

    George, O.; Latchman, J. L.; Connor, C.; Malservisi, R.; Connor, L.

    2014-12-01

    Risk posed by volcanic eruptions are generally quantified in a few ways; in the short term geophysical data such as seismic activity or ground deformation are used to assess the state of volcanic unrest while statistical approaches such as spatial density estimates are used for long term hazard assessment. Spatial density estimates have been used in a number of monogenetic volcanic fields for hazard map generation and utilize the age, location and volumes of previous eruptions to calculate the probability of a new event occurring at a given location within this field. In a previously unpublished study, spatial density estimates of the Lesser Antilles volcanic arc showed the island of Dominica to have the highest likelihood of future vent formation. In this current study, this technique was used in combination with relocated seismic events occurring beneath Dominica within the last ~ 20 years as well as InSAR images of ground deformation to generate a hazard map which not only takes into consideration the past events but also the current state of unrest. Here, geophysical data serve as a weighting factor in the estimates with those centers showing more vigorous activity receiving stronger favorability in the assessment for future activity. In addition to this weighting, the bandwidth utilized in the 2D-radially symmetric kernel density function was optimized using the SAMSE method so as to find the value which best minimizes the error in the estimate. The end results of this study are dynamic volcanic hazards maps which will be readily updatable as changes in volcanic unrest occurs within the system.

  14. Assessment of lesser prairie-chicken lek density relative to landscape characteristics in Texas

    Energy Technology Data Exchange (ETDEWEB)

    Timmer, Jennifer; Butler, Matthew; Ballard, Warren; Boal, Clint; Whitlaw, Heather

    2012-08-31

    My 2.5-yr Master's project accomplished the objectives of estimating lesser prairie-chicken (LPC) lek density and abundance in the Texas occupied range and modeling anthropogenic and landscape features associated with lek density by flying helicopter lek surveys for 2 field seasons and employing a line-transect distance sampling method. This project was important for several reasons. Firstly, wildlife managers and biologists have traditionally monitored LPC populations with road-based surveys that may result in biased estimates and do not provide access to privately-owned or remote property. From my aerial surveys and distance sampling, I was able to provide accurate density and abundance estimates, as well as new leks and I detected LPCs outside the occupied range. Secondly, recent research has indicated that energy development has the potential to impact LPCs through avoidance of tall structures, increased mortality from raptors perching on transmission lines, disturbance to nesting hens, and habitat loss/fragmentation. Given the potential wind energy development in the Texas Panhandle, spatial models of current anthropogenic and vegetative features (such as transmission lines, roads, and percent native grassland) influencing lek density were needed. This information provided wildlife managers and wind energy developers in Texas with guidelines for how change in landscape features could impact LPCs. Lastly, LPC populations have faced range-wide declines over the last century and they are currently listed as a candidate species under the Endangered Species Act. I was able to provide timely information on LPC populations in Texas that will be used during the listing process.

  15. VoiLA: A multidisciplinary study of Volatile recycling in the Lesser Antilles Arc

    Science.gov (United States)

    Collier, J.; Blundy, J. D.; Goes, S. D. B.; Henstock, T.; Harmon, N.; Kendall, J. M.; Macpherson, C.; Rietbrock, A.; Rychert, C.; Van Hunen, J.; Wilkinson, J.; Wilson, M.

    2017-12-01

    Project VoiLA will address the role of volatiles in controlling geological processes at subduction zones. The study area was chosen as it subducts oceanic lithosphere formed at the slow-spreading Mid Atlantic Ridge. This should result in a different level and pattern of hydration to compare with subduction zones in the Pacific which consume oceanic lithosphere generated at faster spreading rates. In five project components, we will test (1) where volatiles are held within the incoming plate; (2) where they are transported and released below the arc; (3) how the volatile distribution and pathways relate to the construction of the arc; and (4) their relationship to seismic and volcanic hazards and the fractionation of economic metals. Finally, (5) the behaviour of the Lesser Antilles arc will be compared with that of other well-studied systems to improve our wider understanding of the role of water in subduction processes. To address these questions the project will combine seismology; petrology and numerical modelling of wedge dynamics and its consequences on dehydration and melting. So-far island-based fieldwork has included mantle xenolith collection and installation of a temporary seismometer network. In 2016 and 2017 we conducted cruises onboard the RRS James Cook that collected a network of passive-recording and active-recording ocean-bottom seismometer data within the back-arc, fore-arc and incoming plate region. A total of 175 deployments and recoveries were made with the loss of only 6 stations. The presentation will present preliminary results from the project.

  16. Microbial dynamics during production of lesser mealworms (Alphitobius diaperinus) for human consumption at industrial scale.

    Science.gov (United States)

    Wynants, E; Crauwels, S; Verreth, C; Gianotten, N; Lievens, B; Claes, J; Van Campenhout, L

    2018-04-01

    In this study, the microbial dynamics during an industrial production cyle of lesser mealworms (Alphitobius diaperinus), sold for human consumption, were characterised. The microbial numbers as well as the microbial diversity were generally higher for the substrate, existing of remaining feed, faeces and exuviae, than for the larvae. Most of the species-level operational taxonomic units, identified using Illumina MiSeq sequencing, that were present in the feed were also detected in the larvae and vice versa. However, bacterial diversity decreased in the larvae during rearing. These results suggested that the feed is an important determinant of the insect bacterial community, but that some bacterial species show a competitive advantage inside the insect gut and become dominant. A blanching treatment of the larvae after harvest reduced most microbial counts, but the number of aerobic endospores remained at 4.0 log cfu/g. Whereas food pathogens Salmonella spp., Listeria monocytogenes, Bacillus cereus or coagulase-positive staphylococci were not detected in our study, fungal isolates corresponding to the genera Aspergillus and Fusarium were recovered. Therefore, it cannot be excluded that mycotoxins were present. The results of this study contribute to a better understanding of the microbial dynamics and food safety aspects during the production of edible insects. Copyright © 2017 Elsevier Ltd. All rights reserved.

  17. Ruling out secondary causes of hypertension.

    Science.gov (United States)

    Ott, Christian; Schneider, Markus P; Schmieder, Roland E

    2013-05-01

    In the majority of hypertensive patients, no particular cause for abnormal blood pressure is evident (primary or essential hypertension). In contrast, in the minority of patients with secondary hypertension a specific underlying cause is responsible for the elevated blood pressure. The prevalence of secondary hypertension is higher in patients with resistant hypertension than in the general hypertensive population and increases with age. The list of secondary forms of hypertension is long and prevalence of the individual causes of secondary hypertension varies. Hence, this review divides them into two categories: common causes and rare causes. If appropriately diagnosed and treated, patients with a secondary form of hypertension might be cured, or at least show an improvement in their blood pressure control. Consequently, screening for secondary causes of hypertension plays an essential part in the care of patients with arterial hypertension. If the basal work-up raises the suspicion of a secondary cause of hypertension, specific diagnostic procedures become necessary, some of which can be performed by primary care physicians, while others require specialist input.

  18. Botulinum neurotoxin type A injections for vaginismus secondary to vulvar vestibulitis syndrome.

    Science.gov (United States)

    Bertolasi, Laura; Frasson, Emma; Cappelletti, Jee Yun; Vicentini, Silvana; Bordignon, Monia; Graziottin, Alessandra

    2009-11-01

    To investigate whether botulinum neurotoxin type A improves vaginismus and study its efficacy with repeated treatments. Outpatients were referred because standard cognitive-behavioral and medical treatment for vaginismus and vulvar vestibular syndrome failed. From this group, we prospectively recruited consecutive women (n=39) whose diagnostic electromyogram (EMG) recordings from the levator ani muscle showed hyperactivity at rest and reduced inhibition during straining. These women were followed for a mean (+/-standard deviation) of 105 (+/-50) weeks. Recruited patients underwent repeated cycles of botulinum neurotoxin type A injected into the levator ani under EMG guidance and EMG monitoring thereafter. At enrollment and 4 weeks after each cycle, women were asked about sexual intercourse; underwent EMG evaluation and examinations to grade vaginal resistance according to Lamont; and completed a visual analog scale (VAS) for pain, the Female Sexual Function Index Scale, a quality-of-life questionnaire (Short-Form 12 Health Survey), and bowel and bladder symptom assessment. At 4 weeks after the first botulinum neurotoxin type A cycle, the primary outcome measures (the possibility of having sexual intercourse, and levator ani EMG hyperactivity) both improved, as did the secondary outcomes, Lamont scores, VAS, Female Sexual Function Index Scales, Short-Form 12 Health Survey, and bowel-bladder symptoms. These benefits persisted through later cycles. When follow-up ended, 63.2% of the patients completely recovered from vaginismus and vulvar vestibular syndrome, 15.4% still needed reinjections (censored), and 15.4% had dropped out. Botulinum neurotoxin type A is an effective treatment option for vaginismus secondary to vulvar vestibular syndrome refractory to standard cognitive-behavioral and medical management. After patients received botulinum neurotoxin type A, their sexual activity improved and reinjections provided sustained benefits. III.

  19. Calculation of benefit reserves based on true m-thly benefit premiums

    Science.gov (United States)

    Riaman; Susanti, Dwi; Supriatna, Agus; Nurani Ruchjana, Budi

    2017-10-01

    Life insurance is a form of insurance that provides risk mitigation in life or death of a human. One of its advantages is measured life insurance. Insurance companies ought to give a sum of money as reserves to the customers. The benefit reserves are an alternative calculation which involves net and cost premiums. An insured may pay a series of benefit premiums to an insurer equivalent, at the date of policy issue, to the sum of to be paid on the death of the insured, or on survival of the insured to the maturity date. A balancing item is required and this item is a liability for one of the parties and the other is an asset. The balancing item, in loan, is the outstanding principle, an asset for the lender and the liability for the borrower. In this paper we examined the benefit reserves formulas corresponding to the formulas for true m-thly benefit premiums by the prospective method. This method specifies that, the reserves at the end of the first year are zero. Several principles can be used for the determined of benefit premiums, an equivalence relation is established in our discussion.

  20. Unemployment Benefit Exhaustion

    DEFF Research Database (Denmark)

    Filges, Trine; Pico Geerdsen, Lars; Knudsen, Anne-Sofie Due

    2015-01-01

    This systematic review studied the impact of exhaustion of unemployment benefits on the exit rate out of unemployment and into employment prior to benefit exhaustion or shortly thereafter. Method: We followed Campbell Collaboration guidelines to prepare this review, and ultimately located 12...

  1. Proposed plan for public benefit programs funded by System Benefits Charge

    International Nuclear Information System (INIS)

    1998-01-01

    As the electric industry in New York State moves through deregulation toward retail competition, it will be important to ensure the vital public benefit programs of energy efficiency, research and development, low income services, and environmental protection. The Public Service Commission's (PSC) Opinion No. 98-3, effective January 30, 1998, established a system for funding such programs with a non-passable System Benefits Charge (SBC) and designated the New York State Energy Research and Development Authority (NYSERDA) as the administrator of the statewide SBC-funded public benefit programs

  2. Moving Targets and Biodiversity Offsets for Endangered Species Habitat: Is Lesser Prairie Chicken Habitat a Stock or Flow?

    Directory of Open Access Journals (Sweden)

    Todd K. BenDor

    2014-03-01

    Full Text Available The US Fish and Wildlife Service will make an Endangered Species Act listing decision for the lesser prairie chicken (Tympanuchus pallidicinctus; “LPC” in March 2014. Based on the findings of a single, Uzbek antelope study, conservation plans put forth for the LPC propose to modify and re-position habitat in the landscape through a series of temporary preservation/restoration efforts. We argue that for certain species, including the LPC, dynamic habitat offsets represent a dangerous re-interpretation of habitat provision and recovery programs, which have nearly-universally viewed ecosystem offsets (habitat, wetlands, streams, etc. as “stocks” that accumulate characteristics over time. Any effort to create a program of temporary, moving habitat offsets must consider species’ (1 life history characteristics, (2 behavioral tendencies (e.g., avoidance of impacted areas, nesting/breeding site fidelity, and (3 habitat restoration characteristics, including long temporal lags in reoccupation. If misapplied, species recovery programs using temporary, moving habitat risk further population declines.

  3. The impact of utilizing mobile phones to promote physical activity among post-secondary students: a scoping review.

    Science.gov (United States)

    Ly, Hieu

    2016-01-01

    A commitment to regular physical activity may reduce the risks of chronic diseases for young adults. Internationally, the majority of post-secondary students are insufficiently active for health benefits. Novel health strategies and interventions utilizing mobiles phones could increase post-secondary students' physical activity levels. However, there is contradictory evidence to support the use of mobile phones to promote physical activity, and a scoping review could provide further insights into this topic. The purpose of this study was to conduct a scoping review to explore the existing literature and investigate what is currently known about the use of mobile phones to enhance physical activity levels among post-secondary students. A total of 84 articles were identified from the literature search, and six studies were selected for data analysis. Two major themes were supported by the evidence, which included: (I) the relationship between mobile phones and physical activity levels; and (II) students' perceptions of mobile phones. Goal setting principles combined with text message interventions were reported to have significant influences on students' physical activity levels. Students expressed mixed feelings about coaching elements of apps and posting personal results on social networking websites. No studies reported the use of objective physical activity measurements. In conclusion, mobile phone technologies such as text message reminders could be included in health interventions to enhance post-secondary students' physical activity levels. There is limited evidence available on this topic and additional research is warranted to establish a clearer understanding of the relationship between mobile phones and post-secondary students' physical activity.

  4. Benefit-based tree valuation

    Science.gov (United States)

    E.G. McPherson

    2007-01-01

    Benefit-based tree valuation provides alternative estimates of the fair and reasonable value of trees while illustrating the relative contribution of different benefit types. This study compared estimates of tree value obtained using cost- and benefit-based approaches. The cost-based approach used the Council of Landscape and Tree Appraisers trunk formula method, and...

  5. Cost-benefit analyses of supplementary measles immunisation in the highly immunized population of New Zealand.

    Science.gov (United States)

    Hayman, D T S; Marshall, J C; French, N P; Carpenter, T E; Roberts, M G; Kiedrzynski, T

    2017-09-05

    As endemic measles is eliminated from countries through increased immunisation, the economic benefits of enhanced immunisation programs may come into question. New Zealand has suffered from outbreaks after measles introductions from abroad and we use it as a model system to understand the benefits of catch up immunisation in highly immunised populations. We provide cost-benefit analyses for measles supplementary immunisation in New Zealand. We model outbreaks based on estimates of the basic reproduction number in the vaccinated population (R v , the number of secondary infections in a partially immunised population), based on the number of immunologically-naïve people at district and national levels, considering both pre- and post-catch up vaccination scenarios. Our analyses suggest that measles R v often includes or exceeds one (0.18-3.92) despite high levels of population immunity. We calculate the cost of the first 187 confirmed and probable measles cases in 2014 to be over NZ$1 million (∼US$864,200) due to earnings lost, case management and hospitalization costs. The benefit-cost ratio analyses suggest additional vaccination beyond routine childhood immunisation is economically efficient. Supplemental vaccination-related costs are required to exceed approximately US$66 to US$1877 per person, depending on different scenarios, before supplemental vaccination is economically inefficient. Thus, our analysis suggests additional immunisation beyond childhood programs to target naïve individuals is economically beneficial even when childhood immunisation rates are high. Copyright © 2017 Elsevier Ltd. All rights reserved.

  6. RNA-SSPT: RNA Secondary Structure Prediction Tools.

    Science.gov (United States)

    Ahmad, Freed; Mahboob, Shahid; Gulzar, Tahsin; Din, Salah U; Hanif, Tanzeela; Ahmad, Hifza; Afzal, Muhammad

    2013-01-01

    The prediction of RNA structure is useful for understanding evolution for both in silico and in vitro studies. Physical methods like NMR studies to predict RNA secondary structure are expensive and difficult. Computational RNA secondary structure prediction is easier. Comparative sequence analysis provides the best solution. But secondary structure prediction of a single RNA sequence is challenging. RNA-SSPT is a tool that computationally predicts secondary structure of a single RNA sequence. Most of the RNA secondary structure prediction tools do not allow pseudoknots in the structure or are unable to locate them. Nussinov dynamic programming algorithm has been implemented in RNA-SSPT. The current studies shows only energetically most favorable secondary structure is required and the algorithm modification is also available that produces base pairs to lower the total free energy of the secondary structure. For visualization of RNA secondary structure, NAVIEW in C language is used and modified in C# for tool requirement. RNA-SSPT is built in C# using Dot Net 2.0 in Microsoft Visual Studio 2005 Professional edition. The accuracy of RNA-SSPT is tested in terms of Sensitivity and Positive Predicted Value. It is a tool which serves both secondary structure prediction and secondary structure visualization purposes.

  7. 13 CFR 120.601 - SBA Secondary Market.

    Science.gov (United States)

    2010-01-01

    ... 13 Business Credit and Assistance 1 2010-01-01 2010-01-01 false SBA Secondary Market. 120.601 Section 120.601 Business Credit and Assistance SMALL BUSINESS ADMINISTRATION BUSINESS LOANS Secondary Market Fiscal and Transfer Agent (fta) § 120.601 SBA Secondary Market. The SBA secondary market...

  8. Teachers’ Perceptions of E-Learning in Malaysian Secondary Schools

    Directory of Open Access Journals (Sweden)

    Mei Lick Cheok

    2017-04-01

    Full Text Available Malaysian teachers are constantly challenged with many new technologies that are believed to enable them to perform their job better. In 2013, they have been given access to an online learning space known as the FROG VLE. However, initial evidence has shown poor adoption of the e-learning. As schools are becoming increasingly disconnected from the societies of which they are a part, teachers withdrawing into their old familiar landscapes of teaching and learning can no longer be accepted. Being the implementers in the classrooms, their perceptions’ towards any innovation are important if the innovation is to be taken up seriously and to be implemented. Measures to improve present condition in order to sustain and increase e-learning uptake, can only be carried out if we know the situations and conditions teachers are in. A qualitative approach was used to identify the views and experiences of 60 secondary school teachers towards the implementation and continued use of VLEs in three secondary schools in Malaysia. This is to obtain a more nuanced explanation for the perceptions teachers’ have towards e-learning. Data was collected using an open-ended questionnaire. The results among others highlight the benefits as perceived by the teachers, the main barriers they faced and suggestions to better improve the implementation. Implications for teacher preparation, staff development efforts and education reform are proposed to overcome the challenges faced. View it in PDF

  9. Aqueous-phase mechanism for secondary organic aerosol formation from isoprene: application to the southeast United States and co-benefit of SO2 emission controls

    Science.gov (United States)

    Isoprene emitted by vegetation is an important precursor of secondary organic aerosol (SOA), but the mechanism and yields are uncertain. Aerosol is prevailingly aqueous under the humid conditions typical of isoprene-emitting regions. Here we develop an aqueous-phase mechanism for...

  10. Secondary Headaches

    Science.gov (United States)

    ... in the medical history or examination to suggest secondary headache. Headache can be caused by general medical conditions such as severe hypertension, or by conditions that affect the brain and ...

  11. Endoscopic submucosal dissection for early gastric cancer on the lesser curvature in upper third of the stomach is a risk factor for postoperative delayed gastric emptying.

    Science.gov (United States)

    Yoshizaki, Tetsuya; Obata, Daisuke; Aoki, Yasuhiro; Okamoto, Norihiro; Hashimura, Hiroki; Kano, Chise; Matsushita, Megumi; Kanamori, Atsushi; Matsumoto, Kei; Tsujimae, Masahiro; Momose, Kenji; Eguchi, Takaaki; Okuyama, Shunsuke; Yamashita, Hiroshi; Fujita, Mikio; Okada, Akihiko

    2018-02-07

    Advances in Endoscopic submucosal dissection (ESD) technology have established ESD for early gastric cancer as a safe and stable technique. However, ESD may induce delayed gastric emptying and the cause of food residue retention in the stomach after ESD is not clear. This study aimed to clarify risk factors for delayed gastric emptying with food retention after gastric ESD. We retrospectively examined for food residue in the stomach 1 week after ESD was performed for early gastric carcinoma at Osaka Saiseikai Nakatsu Hospital from February 2008 to November 2016. Food residue was observed in 68 (6.1%) of 1114 patients who underwent gastric ESD. The percentage of lesions located on the lesser curvature of the upper third of the stomach was 45.6% (31/68) in the food residue group and 3.5% (37/1046) in the non-food residue group, which was significantly different (P gastric ESD. Of the 68 patients, 3 had food residue in the stomach on endoscopic examination for follow-up observation after the ESD ulcer had healed. Delayed gastric emptying with food retention after gastric ESD was associated with lesions located in the lesser curvature of the upper stomach, submucosal invasion of the lesion, age older than 80 years, and post-ESD bleeding, though it was temporary in most cases.

  12. Nuclear science and engineering workshop for secondary science teachers

    International Nuclear Information System (INIS)

    Miller, W.H.; Neumeyer, G.M.; Langhorst, S.M.

    1992-01-01

    A 2-week workshop has been held for the past 10 yr at the University of Missouri-Columbia for secondary science teachers to increase their knowledge of nuclear science and its applications. It is sponsored jointly by Union Electric Company (St. Louis, Missouri), the University of Missouri-Columbia, the American Nuclear Society (ANS) student branch at the University of Missouri-Columbia, and the Central/Eastern Section of the ANS. The workshop focuses on two principal educational areas: basic nuclear science and its applications and nuclear energy systems. The philosophy of the workshop is to provide factual information without emphasis on the political issues of the use of nuclear without emphasis on the political issues of the use of nuclear science in the modern society, allowing the participants to form their own perceptions of the risks and benefits of nuclear technology. The paper describes the workshop organization, curriculum, and evaluation

  13. Secondary electron emission studied by secondary electron energy loss coincidence spectroscopy (SE2ELCS)

    International Nuclear Information System (INIS)

    Khalid, R.

    2013-01-01

    Emission of secondary electrons is of importance in many branches of fundamental and applied science. It is widely applied in the electron microscope for the investigation of the structure and electronic state of solid surfaces and particle detection in electron multiplier devices, and generally it is related to the energy dissipation of energetic particles moving inside a solid. The process of secondary electron emission is a complex physical phenomenon, difficult to measure experimentally and treat theoretically with satisfactory accuracy. The secondary electron spectrum measured with single electron spectroscopy does not provide detailed information of the energy loss processes responsible for the emission of secondary electrons. This information can be accessed when two correlated electron pairs are measured in coincidence and the pair consists of a backscattered electron after a given energy loss and a resulting emitted secondary electron. To investigate the mechanisms responsible for the emission of secondary electrons, a reflection (e,2e) coincidence spectrometer named Secondary Electron Electron Energy Loss Coincidence Spectrometer (SE2ELCS) has been developed in the framework of this thesis which allows one to uncover the relation between the features in the spectra which are due to energy losses and true secondary electron emission structures. The correlated electron pairs are measured with a hemispherical mirror analyzer (HMA) and a time of flight analyzer (TOF) by employing a continuous electron beam. An effort has been made to increase the coincidence count rate by increasing the effective solid angle of the TOF analyzer and optimizing the experimental parameters to get optimum energy resolution. Double differential coincidence spectra for a number of materials namely, nearly free electron metals (Al, Si), noble metals (Ag, Au, Cu, W) and highly oriented pyrolytic graphite (HOPG) have been measured using this coincidence spectrometer. The

  14. CSI 3.0: a web server for identifying secondary and super-secondary structure in proteins using NMR chemical shifts.

    Science.gov (United States)

    Hafsa, Noor E; Arndt, David; Wishart, David S

    2015-07-01

    The Chemical Shift Index or CSI 3.0 (http://csi3.wishartlab.com) is a web server designed to accurately identify the location of secondary and super-secondary structures in protein chains using only nuclear magnetic resonance (NMR) backbone chemical shifts and their corresponding protein sequence data. Unlike earlier versions of CSI, which only identified three types of secondary structure (helix, β-strand and coil), CSI 3.0 now identifies total of 11 types of secondary and super-secondary structures, including helices, β-strands, coil regions, five common β-turns (type I, II, I', II' and VIII), β hairpins as well as interior and edge β-strands. CSI 3.0 accepts experimental NMR chemical shift data in multiple formats (NMR Star 2.1, NMR Star 3.1 and SHIFTY) and generates colorful CSI plots (bar graphs) and secondary/super-secondary structure assignments. The output can be readily used as constraints for structure determination and refinement or the images may be used for presentations and publications. CSI 3.0 uses a pipeline of several well-tested, previously published programs to identify the secondary and super-secondary structures in protein chains. Comparisons with secondary and super-secondary structure assignments made via standard coordinate analysis programs such as DSSP, STRIDE and VADAR on high-resolution protein structures solved by X-ray and NMR show >90% agreement between those made with CSI 3.0. © The Author(s) 2015. Published by Oxford University Press on behalf of Nucleic Acids Research.

  15. 40 CFR 133.102 - Secondary treatment.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 21 2010-07-01 2010-07-01 false Secondary treatment. 133.102 Section... TREATMENT REGULATION § 133.102 Secondary treatment. The following paragraphs describe the minimum level of effluent quality attainable by secondary treatment in terms of the parameters—BOD5, SS and pH. All...

  16. Causes of secondary headache (image)

    Science.gov (United States)

    Temporomandibular joint, or TMJ, dysfunction, can be a cause of secondary headache. Secondary headaches result from underlying disorders which produce pain as a symptom. The TMJ may become painful and dysfunctional as a result ...

  17. Foot care knowledge and practices and the prevalence of peripheral neuropathy among people with diabetes attending a secondary care rural hospital in southern India

    Directory of Open Access Journals (Sweden)

    Hanu George

    2013-01-01

    Full Text Available Background: Diabetes mellitus is a multifaceted disease and foot ulceration is one of its most common complications. Poor foot care knowledge and practices are important risk factors for foot problems among people with diabetes. Aims: To assess the knowledge and practices regarding foot care and to estimate the proportion of people with peripheral neuropathy among people with diabetes. Settings and Design: The cross-sectional study was conducted in 212 consecutive diabetes patients attending the out-patient department of a rural secondary care hospital Materials and Methods: A questionnaire which included demographic details, knowledge questionnaire, and Nottingham assessment of functional foot care was administered. The Michigan Neuropathy Screening Instrument was used to identify peripheral neuropathy. Statistical Analysis Used: Descriptive analysis with frequency distribution for knowledge and practice scores, univariate analysis, and multiple logistic regressions to find significant variables associated with good knowledge and practice scores. Results: About 75% had good knowledge score and 67% had good foot care practice score. Male gender (OR 2.36, 95% CI 1.16-4.79, poor education status (OR 2.40, 95% CI 1.19-4.28, and lesser duration of diabetes (OR 2.24, 95% CI 1.15-4.41 were significantly associated with poor knowledge on foot care. Poor knowledge was associated with poor foot care practices (OR 3.43, 95% CI 1.75-6.72. The prevalence of neuropathy was 47% (95% CI 40.14-53.85 and it was associated with longer duration of the disease (OR 2.18, 95% CI 1.18-4.04. Conclusion: There exist deficiencies in knowledge and practices regarding foot care. Male gender, low education, and lesser duration of diabetes are associated with poor knowledge scores. The prevalence of diabetic peripheral neuropathy is high.

  18. Function-related Secondary User Needs and Secondary Data

    African Journals Online (AJOL)

    Riette Ruthven

    basis of both a critical analysis of the theory and an examination of selected data types .... (2) "Secondary needs related to the user's linguistic and subject-specific ... understand the Afrikaans word skepe needs to know that skepe is the plural.

  19. Identifying and sharing data for secondary data analysis of physical activity, sedentary behaviour and their determinants across the life course in Europe : general principles and an example from DEDIPAC

    NARCIS (Netherlands)

    Lakerveld, J.; Loyen, A.; Ling, F.C.M.; De Craemer, M.; van der Ploeg, H.P.; O’Gorman, D.J.; Carlin, A.; Caprinica, L.; Kalter, J.; Oppert, J.-M.; Chastin, S.; Cardon, G.; Brug, J.; MacDonncha, C.

    2017-01-01

    Background The utilisation of available cross-European data for secondary data analyses on physical activity, sedentary behaviours and their underlying determinants may benefit from the wide variation that exists across Europe in terms of these behaviours and their determinants. Such reuse of

  20. Flank Collapse Assessment At Kick-'em-Jenny Submarine Volcano (Lesser Antilles): A Combined Approach Using Modelling and Experiments

    Science.gov (United States)

    Dondin, F. J. Y.; Heap, M. J.; Robertson, R. E. A.; Dorville, J. F. M.; Carey, S.

    2016-12-01

    In the Lesser Antilles over 52 volcanic landslide episodes have been identified. These episodes serve as a testament to the hazard posed by volcanic landslides to a region composed of many islands that are small independent countries with vulnerable local economies. This study presents a relative slope stability analysis (RIA) to investigate the stability condition of the only active submarine volcano of the Lesser Antilles Arc: Kick-'em-Jenny Submarine Volcano (KeJ). Thus we hope to provide better constraint on the landslide source geometry to help mitigate volcanic landslide hazards at a KeJ. KeJ is located ca. 8 km north of Grenada island. KeJ lies within a collapse scar from a prehistorical flank collapse. This collapse was associated with a voluminous landslide deposit of about 4.4km3 with a 14 km runout. Numerial simulations showed that this event could generate a regional tsunami. We aim to quantify potential initial volumes of collapsed material using a RIA. The RIA evaluates the critical potential failure surface associated with factor of safety (Fs) inferior to unity and compares them to areas of deficit/surplus of mass/volume obtained from the comparison of an high resolution digital elevation model of the edifice with an ideal 3D surface. We use freeware programs VolcanoFit 2.0 and SSAP 4.7. and produce a 3D representation of the stability map. We report, for the first time, results of a Limit Equilibrium Method performed using geomechanical parameters retrieved from rock mechanics tests performed on two rock basaltic-andesite rock samples collected from within the crater of the volcano during the 1-18 November 2013 NA039 E/V Nautilus cruise. We performed triaxial and uniaxial deformation tests to obtain values of strength at the top and bottom of the edifice. We further characterized the permeability and P-wave velocity of the samples collected. The chosen internal structure for the model is composed of three bodies: (i) a body composed of basaltic