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Sample records for resistance results details

  1. Detailed experimental results for laser acceleration staging

    Directory of Open Access Journals (Sweden)

    W. D. Kimura

    2001-10-01

    Full Text Available Detailed experimental results of staging two laser-driven, relativistic electron accelerators are presented. During the experiment called STELLA (staged electron laser acceleration, an inverse free-electron laser (IFEL is used to modulate the electron energy, thereby, causing ∼3 fs microbunches to form separated by the laser wavelength at 10.6 μm (equivalent to a 35 fs period. A second IFEL accelerates the electrons depending upon the phase of the microbunches entering the second IFEL with respect to the laser beam driving the second IFEL. The data presented includes electron energy spectra as a function of the phase delay and laser power driving the first IFEL. Also shown is a comparison with the computer model, which includes space charge and misalignment effects.

  2. Detailed characterization of Mirafiori lettuce virus-resistant transgenic lettuce.

    Science.gov (United States)

    Kawazu, Yoichi; Fujiyama, Ryoi; Noguchi, Yuji; Kubota, Masaharu; Ito, Hidekazu; Fukuoka, Hiroyuki

    2010-04-01

    Lettuce big-vein disease is caused by Mirafiori lettuce virus (MiLV), which is vectored by the soil-borne fungus Olpidium brassicae. A MiLV-resistant transgenic lettuce line was developed through introducing inverted repeats of the MiLV coat protein (CP) gene. Here, a detailed characterization study of this lettuce line was conducted by comparing it with the parental, non-transformed 'Kaiser' cultivar. There were no significant differences between transgenic and non-transgenic lettuce in terms of pollen fertility, pollen dispersal, seed production, seed dispersal, dormancy, germination, growth of seedlings under low or high temperature, chromatographic patterns of leaf extracts, or effects of lettuce on the growth of broccoli or soil microflora. A significant difference in pollen size was noted, but the difference was small. The length of the cotyledons of the transgenic lettuce was shorter than that of 'Kaiser,' but there were no differences in other morphological characteristics. Agrobacterium tumefaciens used for the production of transgenic lettuce was not detected in transgenic seeds. The transgenic T(3), T(4), and T(5) generations showed higher resistance to MiLV and big-vein symptoms expression than the resistant 'Pacific' cultivar, indicating that high resistance to lettuce big-vein disease is stably inherited. PCR analysis showed that segregation of the CP gene was nearly 3:1 in the T(1) and T(2) generations, and that the transgenic T(3) generation was homozygous for the CP gene. Segregation of the neomycin phosphotransferase II (npt II) gene was about 3:1 in the T(1) generation, but the full length npt II gene was not detected in the T(2) or T(3) generation. The segregation pattern of the CP and npt II genes in the T(1) generation showed the expected 9:3:3:1 ratio. These results suggest that the fragment including the CP gene and that including the npt II gene have been integrated into two unlinked loci, and that the T(1) plant selected in our study did

  3. Detailed models for timing and efficiency in resistive plate chambers

    CERN Document Server

    AUTHOR|(CDS)2067623; Lippmann, Christian

    2003-01-01

    We discuss detailed models for detector physics processes in Resistive Plate Chambers, in particular including the effect of attachment on the avalanche statistics. In addition, we present analytic formulas for average charges and intrinsic RPC time resolution. Using a Monte Carlo simulation including all the steps from primary ionization to the front-end electronics we discuss the dependence of efficiency and time resolution on parameters like primary ionization, avalanche statistics and threshold.

  4. Construction details and test results from RHIC sextupoles

    International Nuclear Information System (INIS)

    Lindner, M.; Anerella, M.; Ganetis, G.

    1993-01-01

    Four 8 cm aperture sextupoles have been built at BNL to verify the magnetic performance of this magnet in the RHIC installation. Two significantly different mechanical configurations have been designed, and two magnets of each design have been built, and successfully tested, and have exceeded the required minimum quench current by a substantial margin. This report describes the assembly details of the second configuration, which is the final production configuration. In addition the first industry built production sextupole has been delivered and tested. This report presents the results of quench tests on all 5 magnets and field measurements on the first production sextupole

  5. Save Energy Now Assessments Results 2008 Detailed Report

    Energy Technology Data Exchange (ETDEWEB)

    Wright, Anthony L [ORNL; Martin, Michaela A [ORNL; Nimbalkar, Sachin U [ORNL; Quinn, James [U.S. Department of Energy; Glatt, Ms. Sandy [DOE Industrial Technologies Program; Orthwein, Mr. Bill [U.S. Department of Energy

    2010-09-01

    independently replicate the assessment process at the company's other facilities. Another important element of the Save Energy Now assessment process is the follow-up process used to identify how many of the recommended savings opportunities from individual assessments have been implemented in the industrial plants. Plant personnel involved with the Save Energy Now assessments are contacted 6 months, 12 months, and 24 months after individual assessments are completed to determine implementation results. A total of 260 Save Energy Now assessments were successfully completed in calendar year 2008. This means that a total of 718 assessments were completed in 2006, 2007, and 2008. As of July 2009, we have received a total of 239 summary reports from the ESAs that were conducted in year 2008. Hence, at the time that this report was prepared, 680 final assessment reports were completed (200 from year 2006, 241 from year 2007, and 239 from year 2008). The total identified potential cost savings from these 680 assessments is $1.1 billion per year, including natural gas savings of about 98 TBtu per year. These results, if fully implemented, could reduce CO{sub 2} emissions by about 8.9 million metric tons annually. When this report was prepared, data on implementation of recommended energy and cost savings measures from 488 Save Energy Now assessments were available. For these 488 plants, measures saving a total of $147 million per year have been implemented, measures that will save $169 million per year are in the process of being implemented, and plants are planning implementation of measures that will save another $239 million per year. The implemented recommendations are already achieving total CO{sub 2} reductions of about 1.8 million metric tons per year. This report provides a summary of the key results for the Save Energy Now assessments completed in 2008; details of the 6-month, 12-month, and 24-month implementation results obtained to date; and an evaluation of these

  6. Irrigation customer survey procedures and results: Detailed analysis

    Energy Technology Data Exchange (ETDEWEB)

    Harrer, B.J.; Hattrup, M.P.; Weijo, R.O.

    1987-08-01

    This report presents the results of analyses of data obtained from telephone and in-person survey of irrigators in the Pacific Northwest region. The telephone survey involved approximately 1250 completed responses from irrigators selected from throughout the Northwest. The in-person survey, which is documented in this report, involved approximately 250 completed responses from irrigators within public utility districts that obtain electricity for serving irrigation loads from Bonneville.

  7. Sustainability of bioenergy chains. The result is in the details

    Energy Technology Data Exchange (ETDEWEB)

    Van Dam, J.M.C.

    2009-05-13

    This thesis investigated how the feasibility and sustainability of large-scale bioenergy production, supply and use for local use or trade can be determined ex ante on a regional level, taking into account the complexities and variabilities of the underlying factors like food demand and land use. Recently, governments, NGOs, companies and international organizations (e.g. Dutch government, Solidaridad, Shell or FAO) have taken initiatives to guarantee the sustainable production and use of biomass. Uncertainties on the feasibility, implementation and costs of international biomass certification systems and the compliance with international laws and agreements have to be resolved. A developed software tool shows that it is possible to allow users from various regions to use one methodology and tool to calculate the GHG balances and cost-effectiveness of biomass energy systems. Core methodological issues are accommodated in the tool. One of the case studies demonstrates e.g. that the allocation procedure should be carefully defined as is shown by the variation in results, which is 35 to 50 kg CO2 eq./GJ delivered in GHG emissions. The technical potentials and cost-supply curves of bioenergy are assessed for Central and Eastern European Countries (CEEC) on a regional level. The more favourable scenarios to 2030 show a highest potential of 11.7 EJ. In most CEEC, bulk of the biomass potential can be produced at costs below 2 euro/GJ. The cost performance of energy carriers supplied from the CEEC is assessed for a set of bioenergy chains. Ethanol can be produced at 12 to 21 euro/GJ if the biomass conversion is performed at selected destinations in Western Europe or at 15 to 18 euro/GJ if biomass to ethanol conversion takes place where the biomass is produced. A case in Argentina shows the potential and economic feasibility of large-scale bioenergy production from soybeans and switchgrass, cultivated in La Pampa province. For the various scenarios to 2030, biodiesel from

  8. OPERA Resistive Plate Chambers underground test results

    International Nuclear Information System (INIS)

    Bergnoli, A.; Brugnera, R.; Candela, A.; Carrara, E.; Ciesielski, R.; Dal Corso, F.; Degli Esposti, L.; Di Giovanni, A.; D'Incecco, M.; Di Troia, C.; Dusini, S.; Fanin, C.; Felici, G.; Gambarara, A.; Garfagnini, A.; Gatta, M.; Grianti, F.; Gustavino, C.; Lindozzi, M.; Longhin, A.; Mengucci, A.; Monacelli, P.; Paoloni, A.; Stanco, L.; Tatananni, E.; Terranova, F.; Spinetti, M.; Stipcevic, M.; Sugonyaev, V.; Terminiello, L.; Ventura, M.; Votano, L.

    2006-01-01

    The OPERA experiment [M. Guler et al., CERN/SPSC 2000-028, SPSC/P318, LNGS P25/2000, July 10, 2000; M. Guler et al., CERN/SPSC 2001-025, SPSC/M668, LNGS-EXP 30/2001 Add. 1/01, August 21, 2001] will study ν μ ->ν τ oscillations through τ appearance on the 732 Km long CERN to Gran Sasso baseline. The magnet yokes of the two muon spectrometers are instrumented with 44 layers of high resistivity bakelite Resistive Plate Chambers (RPCs) operated in streamer mode. Each layer covers about 70 m 2 . Four RPC planes were instrumented and the first tests were performed confirming a good behaviour of the installed RPCs in terms of intrinsic noise and operating currents. The measured noise maps agree with those obtained in the extensive quality tests performed at surface. Counting rates are below 20 Hz/m 2 . Single an multiple cosmic muon tracks were also reconstructed. The estimated efficiency is close to the geometrical limit and the very first measurements of the absolute and differential muon flux are in agreement with expectations

  9. Comparative evaluation results of CMS replacement resist for e-beam reticle fabrication

    CERN Document Server

    Kobayashi, H; Asakawa, K; Yokoya, Y; Wada, T

    1999-01-01

    Looking for a CMS replacement resist is an urgent assignment for e- beam reticle fabrication, which enables us to maintain flexibility of reticle fabrications. The CMS-EX series was discontinued in 1995, and its stored resin will be used up completely soon in this year 1999. We then tried to find a replacement resist, and examined commercially available resists SEL-N1000, SEL-N1100 and ZEN4400. We studied their behavior to post-spin baking temperature, in order to bring out their potential, by investigating isolated clear pattern fidelity in details as it was the most tough one to make by a negative-working resist. This paper describes our comparative evaluation results of commercially available negative-working resists to determine a CMS- EX-S replacement for e-beam reticle fabrication. (4 refs).

  10. Results from two years of resistivity monitoring at Cerro Prieto

    Energy Technology Data Exchange (ETDEWEB)

    Wilt, M.J.; Goldstein, N.E.

    1981-01-01

    Dipole-dipole resistivity measurements for the combined purposes of reservoir delineation and resistivity monitoring were first made at Cerro Prieto in 1978 and have continued on an annual basis since then. Two 20 km long dipole-dipole lines with permanently emplaced electrodes at one kilometer spacings were established over the field area; one of these lines is remeasured annually. Resistivity measurements are taken using a 25 kW generator capable of up to 80A output and a microprocessor controlled signal averaging receiver; this high power-low noise system is capable of highly accurate measurements even at large transmitter-receiver separations. Standard error calculations for collected data indicate errors less than 5% for all points, but 95% confidence intervals show error limits about 2 to 4 times higher. Analysis of collected data indicate little change in the apparent resistivity of the upper 300 m over the field production zone and that in this section measurements are relatively insensitive to the annual rainfall cycle. Apparent resistivity increases were observed over the older producing zone at Cerro Prieto at depths of 1 km and greater. Large zones of decreasing apparent resistivity were observed flanking the zone of increases on both sides. The increase in apparent resistivity in the production region may be due to an increasing fraction of steam in the reservoir resulting from a production related decline in reservoir pressure. Alternatively the increases may be the result of fresh water influx from the Colorado River. The zone of declining resistivity flanking the area of increase may be due to the movement of saline waters into the reservoir region as a result of the pressure decline. Quantitative modeling of observed changes is impractical owing to the high uncertainty in estimating apparent resistivity changes and the nonuniqueness of models.

  11. Results of Detailed Hydrologic Characterization Tests—Fiscal and Calendar Year 2005

    Energy Technology Data Exchange (ETDEWEB)

    Spane, Frank A.; Newcomer, Darrell R.

    2008-02-27

    This report provides the results of detailed hydrologic characterization tests conducted within selected Hanford Site wells during fiscal and calendar year 2005. Detailed characterization tests performed included groundwater-flow characterization, barometric response evaluation, slug tests, in-well vertical groundwater-flow assessments, and a single-well tracer and constant-rate pumping test. Hydraulic property estimates obtained from the detailed hydrologic tests include hydraulic conductivity, transmissivity, specific yield, effective porosity, in-well lateral and vertical groundwater-flow velocity, aquifer groundwater-flow velocity, and depth-distribution profiles of hydraulic conductivity. In addition, local groundwater-flow characteristics (i.e., hydraulic gradient and flow direction) were determined for a site where detailed well testing was performed. Results obtained from these tests provide hydrologic information that supports the needs of Resource Conservation and Recovery Act waste management area characterization as well as sitewide groundwater monitoring and modeling programs. These results also reduce the uncertainty of groundwater-flow conditions at selected locations on the Hanford Site.

  12. Spirometry in Healthy Subjects: Do Technical Details of the Test Procedure Affect the Results?

    Science.gov (United States)

    Sipoli, Luciana; Martinez, Larissa; Donária, Leila; Probst, Vanessa Suziane; Moreira, Graciane Laender; Pitta, Fabio

    2014-01-01

    Introduction Spirometry should follow strict quality criteria. The American Thoracic Society (ATS) recommends the use of a noseclip; however there are controversies about its need. ATS also indicates that tests should be done in the sitting position, but there are no recommendations neither about position of the upper limbs and lower limbs nor about who should hold the mouthpiece while performing the maneuvers: evaluated subject or evaluator. Objectives To compare noseclip use or not, different upper and lower limbs positions and who holds the mouthpiece, verifying if these technical details affect spirometric results in healthy adults. Methods One hundred and three healthy individuals (41 men; age: 47 [33–58] years; normal lung function: FEV1/FVC = 83±5, FEV1 = 94 [88–104]%predicted, FVC = 92 [84–102]%predicted) underwent a protocol consisting of four spirometric comparative analysis in the sitting position: 1) maximum voluntary ventilation (MVV) with vs without noseclip; 2) FVC performed with vs without upper limbs support; 3) FVC performed with lower limbs crossed vs lower limbs in neutral position; 4) FVC, slow vital capacity and MVV comparing the evaluated subject holding the mouthpiece vs evaluator holding it. Results Different spirometric variables presented statistically significant difference (p<0.05) when analysing the four comparisons; however, none of them showed any variation larger than those considered as acceptable according to the ATS reproducibility criteria. Conclusions There was no relevant variation in spirometric results when analyzing technical details such as noseclip use during MVV, upper and lower limb positions and who holds the mouthpiece when performing the tests in healthy adults. PMID:25244437

  13. Report detailing personal radiation dose statistics resulting from operations of Nuclear Electric plc during 1995

    International Nuclear Information System (INIS)

    Brodie, P.; Varcoe, I.H.

    1996-03-01

    This report provides details of doses received by all Nuclear Electric plc employees and contractors whose work involved exposure to ionising radiations at Nuclear Electric plc sites during the calendar year 1995. Details of collective doses for previous years for the nuclear licensed sites are also included. It should be noted that Nuclear Electric plc was formed on 1 April 1990 as one of the successor companies to the Central Electricity Generating Board. This report will be the last to be produced by Nuclear Electric plc, as, from 31 March 1996, the AGR and PWR business and assets of Nuclear Electric plc transferred to Nuclear Electric Ltd and Nuclear Electric plc now trades as Magnox Electric plc. It is intended that these companies will separately produce their own Annual Dose Statistics Reports in the future. All results are compiled from the information supplied by the sites to the Central Dose Record Service (NE plc Approved Dosimetry Service for Co-ordination and Record Keeping) via Approved Dosimetry Services for Assessments. For all sites the total annual whole body dose equivalent for 1995 is 5.67 manSv which includes 0.16 manSv as the contribution for commissioning of Sizewell B. The total collective dose varies from year to year for operational reasons (see below). Table 4 shows that over a period of 6 years there has been a general decreasing trend in the collective dose. The collective dose for 1995 was not significantly different from the 1994 value. In 1995 no employee received a dose in excess of 15 mSv and less than 1% of Nuclear Electric plc staff on licensed sites received a dose of more than 5 mSv. (UK)

  14. Detailed mapping of a resistance locus against Fusarium wilt in cultivated eggplant (Solanum melongena).

    Science.gov (United States)

    Miyatake, Koji; Saito, Takeo; Negoro, Satomi; Yamaguchi, Hirotaka; Nunome, Tsukasa; Ohyama, Akio; Fukuoka, Hiroyuki

    2016-02-01

    This is the first report on genetic mapping of a resistance locus against Fusarium wilt caused by the plant pathogen Fusarium oxysporum f. sp. melongenae in cultivated eggplant. Fusarium wilt, caused by the plant pathogen Fusarium oxysporum f. sp. melongenae, is a major soil-borne disease threatening stable production in eggplant (Solanum melongena). Although three eggplant germplasms, LS1934, LS174, and LS2436, are known to be highly resistant to the pathogen, their resistance loci have not been mapped. In this study, we performed quantitative trait locus analyses in F2:3 populations and detected a resistance locus, FM1, at the end of chromosome 2, with two alleles, Fm1(L) and Fm1(E), in the F2 populations LWF2 [LS1934 × WCGR112-8 (susceptible)] and EWF2 [EPL-1 (derived from LS174) × WCGR112-8], respectively. The percentage of phenotypic variance explained by Fm1(L) derived from LS1934 was 75.0% [Logarithm of the odds (LOD) = 29.3], and that explained by Fm1(E) derived from EPL-1 was 92.2% (LOD = 65.8). Using backcrossed inbred lines, we mapped FM1 between two simple sequence repeat markers located ~4.881 cM apart from each other. Comparing the location of the above locus to those of previously reported ones, the resistance locus Rfo-sa1 from an eggplant ally (Solanum aethiopicum gr. Gilo) was mapped very close to FM1, whereas another resistance locus, from LS2436, was mapped to the middle of chromosome 4. This is the first report of mapping of a Fusarium resistance locus in cultivated eggplant. The availability of resistance-linked markers will enable the application of marker-assisted selection to overcome problems posed by self-incompatibility and introduction of negative traits because of linkage drag, and will lead to clear understanding of genetic mechanism of Fusarium resistance.

  15. Strength Gains as a Result of Brief, Infrequent Resistance Exercise in Older Adults

    Directory of Open Access Journals (Sweden)

    James Fisher

    2014-01-01

    Full Text Available Chronological aging is associated with a decrease in skeletal muscle mass and bone mineral density, an increase in fat mass, frequency of falls and fractures, and the likelihood of obesity, diabetes, and coronary heart disease. Resistance exercise has been shown to counter all of these effects of aging and, in turn, reduce the risk of all-cause mortality. However, variables such as volume and frequency have become contentious issues, with recent publications suggesting that similar physiological adaptations are possible with both high- and low-volume approaches. The aim of this research was to consider strength increases as a result of brief, infrequent resistance exercise. The present study offers data from 33 (14 male and 19 female older adults (M=55 years who underwent brief (<15 minutes per exercise session, infrequent (2×/week, resistance exercise to a high intensity of effort (6-repetition maximum at a controlled repetition duration (10 seconds concentric : 10 seconds eccentric on 5 resistance machines (chest press, leg press, pull-down, seated row, and overhead press. Data is presented for training interventions of 12 weeks (male and 19 weeks (female. Significant strength increases were identified for all exercises. With the detailed health benefits obtainable, the present study suggests that resistance exercise can be efficacious in much smaller volumes than previously considered.

  16. Resistive Plate Chambers commissioning and performance results for 2015

    CERN Document Server

    CMS Collaboration

    2016-01-01

    The Resistive Plate Chamber (RPC) detector system at the Compact Muon Solenoid experiment at the LHC confers robustness and redundancy to the muon trigger. During the first long shutdown of the LHC (2013-2014) the CMS muon RPC system has been upgraded with 144 double-gap chambers on the forth forward stations. A total of 1056 double-gap chambers cover the pseudo-rapidity region up to 1.6. The main detector parameters are constantly and closely monitored to achieve operational stability and high quality data in the harsh conditions of the second run period of the LHC (13 TeV and 25 ns bunch spacing). Resistive Plate Chambers (RPC) performance results for 2015 with pp collisions at 13 TeV are presented. These results include the occupancy, efficiency of newly installed detectors after applying new working point, history plots for the RPC relevant variables such as: Cluster Size, Efficiency, percentage of inactive detector during operation and Rates and overall system noise. RPC variables are studied as funct...

  17. Detailed mutational analysis of Vga(A) interdomain linker: Implication for antibiotic resistance specificity and mechanism

    Czech Academy of Sciences Publication Activity Database

    Lenart, Jakub; Vimberg, Vladimír; Veselá, Ludmila; Janata, Jiří; Balíková Novotná, Gabriela

    2015-01-01

    Roč. 59, č. 2 (2015), s. 1360-1364 ISSN 0066-4804 R&D Projects: GA MŠk(CZ) ED1.1.00/02.0109; GA MŠk(CZ) EE2.3.20.0055; GA MŠk(CZ) EE2.3.30.0003; GA ČR GPP302/12/P632 Institutional support: RVO:61388971 Keywords : antibiotic * resistance * Vga(A) Subject RIV: EE - Microbiology, Virology Impact factor: 4.415, year: 2015

  18. Economic evaluation of the Annual Cycle Energy System (ACES). Volume II. Detailed results. Final report

    Energy Technology Data Exchange (ETDEWEB)

    1980-05-01

    The energy effectiveness and the economic viability of the ACES concept are examined. ACES is studied in a variety of different applications and compared to a number of conventional systems. The different applications are studied in two groups: the class of building into which the ACES is incorporated and the climatic region in which the ACES is located. Buildings investigated include single-family and multi-family residences and a commercial office building. The application of ACES to each of these building types is studied in Minneapolis, Atlanta, and Philadelphia. The economic evaluation of the ACES is based on a comparison of the present worth of the ACES to the present worth of conventional systems; namely, electric resistance heating, electric air conditioning, and electric domestic water heating; air-to-air heat pump and electric domestic water heating; oil-fired furnace, electric air conditioning, and electric domestic water heating; and gas-fired furnace, electric air conditioning, and gas domestic water heating.

  19. A guess resulted from resistivity character of rock in Xiangshan ore-field

    International Nuclear Information System (INIS)

    Cheng Jixing; Qiao Baoqiang; Cao Shousun; Xie Guofa; Zhouyulong

    2012-01-01

    Based on a lot of survey achievements with audio frequency magnetotelluric prospecting method (AMT) in Xiangshan uranium ore-field, there are three different layers of rock resistivity. That is, high resistivity-low resistivity- high resistivity. At present, above two kinds of rocks had known detailed lithology in terms of drilling data. However, the rock representing high resistivity isn't still confirmed by the drill in deep. On the basis of a comprehensive analysis of the relation between rock types and relevant resistivity in Xiangshan region, the rock was regarded as granite. If the guess is true, it will be possibility to prospect some larger scale and high grade uranium deposits in Xiangshan region. (authors)

  20. Feasibility study for biomass power plants in Thailand. Volume 2. appendix: Detailed financial analysis results. Export trade information

    International Nuclear Information System (INIS)

    1997-01-01

    This study, conducted by Black and Veatch, was funded by the U.S. Trade and Development Agency. The report presents a technical and commercial analysis for the development of three nearly identical electricity generating facilities (biomass steam power plants) in the towns of Chachgoengsao, Suphan Buri, and Pichit in Thailand. Volume 2 of the study contains the following appendix: Detailed Financial Analysis Results

  1. French people and the nuclear - Detailed results, June 2013. Ifop for Dimanche Ouest France

    International Nuclear Information System (INIS)

    Fourquet, Jerome; Pratviel, Esteban

    2013-06-01

    This document presents the results of a survey performed by IFOP on the perception of the nuclear sector by French people, two years after the Fukushima accident. After a presentation of the adopted methodology (sample, survey mode, error margins), the main lessons of this survey are stated. Results are then presented. They concern the opinion on the use of nuclear energy, on the desirable evolution of the nuclear share in energy production. They presented globally and with respect to various categories (gender, age, profession, status, place of residence, political opinion and vote)

  2. The PEP-II Asymmetric B Factory: Design details and R ampersand D results

    International Nuclear Information System (INIS)

    Bloom, E.; DeStaebler, H.; Dorfan, J.

    1994-06-01

    PEP-II, a 9 GeV x 3.1 GeV electron-positron collider with a design luminosity of 3 x 10 33 cm -2 s -1 has now been approved for construction by SLAC, LBL and LLNL for the purpose of studying CP violation in the B bar B system. This upgrade project involves replacing the vacuum and RF systeum of PEP, which will serve as the high-energy ring (HER), along with the addition of a new low-energy ring (LER) mounted atop the HER. Designs for both rings are described, and the anticipated project construction schedule is indicated. Collider operation will begin at the end of 1998. An aggressive R ampersand D program has been carried out to validate our design choices; key results in the areas of lattice design, vacuum, RF, and multibunch feedback are summarized

  3. Author Details

    African Journals Online (AJOL)

    Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Can, G. Vol 15, No 3 (2015) - Articles Chronic hepatitis B associated with hepatic steatosis, insulin resistance, necroinflammation and fibrosis. Abstract PDF. ISSN: 1680-6905. AJOL African Journals Online. HOW TO ...

  4. Markov Networks of Collateral Resistance: National Antimicrobial Resistance Monitoring System Surveillance Results from Escherichia coli Isolates, 2004-2012.

    Directory of Open Access Journals (Sweden)

    William J Love

    2016-11-01

    Full Text Available Surveillance of antimicrobial resistance (AMR is an important component of public health. Antimicrobial drug use generates selective pressure that may lead to resistance against to the administered drug, and may also select for collateral resistances to other drugs. Analysis of AMR surveillance data has focused on resistance to individual drugs but joint distributions of resistance in bacterial populations are infrequently analyzed and reported. New methods are needed to characterize and communicate joint resistance distributions. Markov networks are a class of graphical models that define connections, or edges, between pairs of variables with non-zero partial correlations and are used here to describe AMR resistance relationships. The graphical least absolute shrinkage and selection operator is used to estimate sparse Markov networks from AMR surveillance data. The method is demonstrated using a subset of Escherichia coli isolates collected by the National Antimicrobial Resistance Monitoring System between 2004 and 2012 which included AMR results for 16 drugs from 14418 isolates. Of the 119 possible unique edges, 33 unique edges were identified at least once during the study period and graphical density ranged from 16.2% to 24.8%. Two frequent dense subgraphs were noted, one containing the five β-lactam drugs and the other containing both sulfonamides, three aminoglycosides, and tetracycline. Density did not appear to change over time (p = 0.71. Unweighted modularity did not appear to change over time (p = 0.18, but a significant decreasing trend was noted in the modularity of the weighted networks (p < 0.005 indicating relationships between drugs of different classes tended to increase in strength and frequency over time compared to relationships between drugs of the same class. The current method provides a novel method to study the joint resistance distribution, but additional work is required to unite the underlying biological and genetic

  5. NSTX Disruption Simulations of Detailed Divertor and Passive Plate Models by Vector Potential Transfer from OPERA Global Analysis Results

    Energy Technology Data Exchange (ETDEWEB)

    P. H. Titus, S. Avasaralla, A.Brooks, R. Hatcher

    2010-09-22

    The National Spherical Torus Experiment (NSTX) project is planning upgrades to the toroidal field, plasma current and pulse length. This involves the replacement of the center-stack, including the inner legs of the TF, OH, and inner PF coils. A second neutral beam will also be added. The increased performance of the upgrade requires qualification of the remaining components including the vessel, passive plates, and divertor for higher disruption loads. The hardware needing qualification is more complex than is typically accessible by large scale electromagnetic (EM) simulations of the plasma disruptions. The usual method is to include simplified representations of components in the large EM models and attempt to extract forces to apply to more detailed models. This paper describes a more efficient approach of combining comprehensive modeling of the plasma and tokamak conducting structures, using the 2D OPERA code, with much more detailed treatment of individual components using ANSYS electromagnetic (EM) and mechanical analysis. This capture local eddy currents and resulting loads in complex details, and allows efficient non-linear, and dynamic structural analyses.

  6. NSTX Disruption Simulations of Detailed Divertor and Passive Plate Models by Vector Potential Transfer from OPERA Global Analysis Results

    International Nuclear Information System (INIS)

    Titus, P.H.; Avasaralla, S.; Brooks, A.; Hatcher, R.

    2010-01-01

    The National Spherical Torus Experiment (NSTX) project is planning upgrades to the toroidal field, plasma current and pulse length. This involves the replacement of the center-stack, including the inner legs of the TF, OH, and inner PF coils. A second neutral beam will also be added. The increased performance of the upgrade requires qualification of the remaining components including the vessel, passive plates, and divertor for higher disruption loads. The hardware needing qualification is more complex than is typically accessible by large scale electromagnetic (EM) simulations of the plasma disruptions. The usual method is to include simplified representations of components in the large EM models and attempt to extract forces to apply to more detailed models. This paper describes a more efficient approach of combining comprehensive modeling of the plasma and tokamak conducting structures, using the 2D OPERA code, with much more detailed treatment of individual components using ANSYS electromagnetic (EM) and mechanical analysis. This capture local eddy currents and resulting loads in complex details, and allows efficient non-linear, and dynamic structural analyses.

  7. CASTING OF DETAILS OF WEAR-RESISTANT CHROME CAST IRONS FOR CHROMIC MILLS IN COMBINED MOLDS AND CHILLS

    Directory of Open Access Journals (Sweden)

    K. E. Baranovskij

    2009-01-01

    Full Text Available Relative wear resistance of chrome cast irons of eutectic composition is determined in laboratory and industry conditions. Complex alloyed eutectic cast iron with increased wear resistance and mechanical characteristics is developed.

  8. Helicobacter cinaedi bacteremia resulting from antimicrobial resistance acquired during treatment for X-linked agammaglobulinemia.

    Science.gov (United States)

    Toyofuku, Meiwa; Tomida, Junko; Kawamura, Yoshiaki; Miyata, Ippei; Yuza, Yuki; Horikoshi, Yuho

    2016-10-01

    This is the first report of penicillin/cephalosporin-resistant Helicobacter cinaedi arising from prolonged treatment. H. cinaedi, common among immunocompromised patients, caused recurrent bacteremia and cellulitis in a 19-year-old Japanese man with X-linked agammaglobulinemia. The minimal inhibitory concentration of these drugs was raised, which subsequently resulted in clinical failure. Prolonged suboptimal treatment may cause bacterial resistance to β-lactam antibiotics in H. cinaedi. It is possible that this resistance may have contributed to the treatment failure. Copyright © 2016 Japanese Society of Chemotherapy and The Japanese Association for Infectious Diseases. Published by Elsevier Ltd. All rights reserved.

  9. Differential Resistance Mechanisms to Glyphosate Result in Fitness Cost for Lolium perenne and L. multiflorum

    Directory of Open Access Journals (Sweden)

    Pablo T. Fernández-Moreno

    2017-10-01

    Full Text Available Multiple mechanisms of resistance to glyphosate are exhibited by populations of Lolium spp. worldwide. Association of resistance with growth and reproductive fitness is an important predictor for long-term success of glyphosate-resistant (R versus glyphosate-susceptible (S biotypes. Numerous studies were conducted on R- and S-biotypes of Italian ryegrass (Lolium multiflorum and perennial ryegrass (L. perenne to characterize the underlying mechanism(s of glyphosate resistance and associate this with growth and reproductive fitness. L. perenne expressed both altered uptake and translocation as well as a genetic change at 106-Pro to –Ser, This pattern for two resistance mechanisms is unique. L. multiflorum also exhibited altered uptake and translocation as well as duplication of EPSPS gene copies. Reduced plant biomass and height for R-versus S-biotypes of both species was evident over two growing seasons. This resulted in S- versus R- L. multiflorum producing up to 47 and 38% more seeds in 2014 and 2015, respectively. S- L. perenne produced up to 20 and 30% more seeds in 2014 and 2015, respectively. Both non-target site and target-site mechanisms of glyphosate resistance can render Lolium spp. at a competitive disadvantage. This has long-term implications for the success of glyphosate-resistant plants in the absence of selection pressure.

  10. [The importance of wildlife as reservoir of antibiotic-resistant bacteria in Bavaria--first results].

    Science.gov (United States)

    Meyer, Cornelia; Heurich, Marco; Huber, Ingrid; Krause, Gladys; Ullrich, Ulrike; Fetsch, Alexandra

    2014-01-01

    The use of antimicrobial agents is responsible for the emergence and spread of antibiotic resistant bacteria. Nevertheless, multiresistant bacteria have been found in animals that have never been exposed to antimicrobial agents. Wild animals that are carriers of methicillin-resistant organisms represent a hazard since they can transmit their bacteria to other animals and to humans. In the hunting season 2009/2010 nasal swabs of 98 red deer and 109 wild boars were examined for the presence of methicillin-sensitive and methicillin-resistant staphylococci. From each wild boar methicillin-susceptible staphylococci (Staphylococcus aureus in 28% and Staphylococcus spp. in 72% of the animals) were isolated. In red deer the detection rate of Staphylococcus (S.) aureus and methicillin-susceptible staphylococci was 49% and 17%, respectively. The occurrence of S. aureus was significantly higher (p resistant staphylococci were not found. However, in one third of the red deer, methicillin-resistant bacteria of the genus Enterococcus spp. and Bacillus spp. were isolated. The results of the present study indicate that wildlife, especially red deer are an important reservoir for S. aureus and that the upper respiratory tract of red deer is regularly colonised with methicillin-resistant bacteria such as Bacillus spp. and Enterococcus spp. Primarily, commensal bacteria are harmless to human health, however, red deer may be a reservoir for antibiotic-resistant bacteria.

  11. Sequential Salinomycin Treatment Results in Resistance Formation through Clonal Selection of Epithelial-Like Tumor Cells

    Directory of Open Access Journals (Sweden)

    Florian Kopp

    2014-12-01

    Full Text Available Acquiring therapy resistance is one of the major obstacles in the treatment of patients with cancer. The discovery of the cancer stem cell (CSC–specific drug salinomycin raised hope for improved treatment options by targeting therapy-refractory CSCs and mesenchymal cancer cells. However, the occurrence of an acquired salinomycin resistance in tumor cells remains elusive. To study the formation of salinomycin resistance, mesenchymal breast cancer cells were sequentially treated with salinomycin in an in vitro cell culture assay, and the resulting differences in gene expression and salinomycin susceptibility were analyzed. We demonstrated that long-term salinomycin treatment of mesenchymal cancer cells resulted in salinomycin-resistant cells with elevated levels of epithelial markers, such as E-cadherin and miR-200c, a decreased migratory capability, and a higher susceptibility to the classic chemotherapeutic drug doxorubicin. The formation of salinomycin resistance through the acquisition of epithelial traits was further validated by inducing mesenchymal-epithelial transition through an overexpression of miR-200c. The transition from a mesenchymal to a more epithelial-like phenotype of salinomycin-treated tumor cells was moreover confirmed in vivo, using syngeneic and, for the first time, transgenic mouse tumor models. These results suggest that the acquisition of salinomycin resistance through the clonal selection of epithelial-like cancer cells could become exploited for improved cancer therapies by antagonizing the tumor-progressive effects of epithelial-mesenchymal transition.

  12. Detailed analysis of the Canary on-sky results at the WHT using Rayleigh laser guide stars

    Science.gov (United States)

    Martin, O.; Gendron, É.; Morris, T.; Basden, A.; Hubert, Z.; Gratadour, D.; Osborn, J.; Vidal, F.; Chemla, F.; Rousset, G.; Myers, R.

    2014-07-01

    CANARY is the multi-object adaptive optics (MOAO) on-sky demonstrator developed by Durham University and LESIA Observatoire de Paris, in the perspective of the E-ELT. Since 2013, CANARY has been operating with 3 off-axis NGS and 4 off-axis Rayleigh LGS and compensating for one on-axis NGS observed with a near IR camera and the Truth Sensor (TS) for diagnostic purpose. In this paper, we present the tomographic performance of CANARY during the runs in 2013. We propose a detailed analysis of the tomographic error leading to the establishment of the CANARY wave-front error budget. In particular we are able to evaluate the tomographic error for each altitude in the atmosphere for a given reconstructor by modelling a set of one-layer covariance matrices. This tool allows us to understand the tradeoffs to be made in the building of the tomographic reconstructor. We present two methods for the wavefront error budget computation. The DTI one uses input system parameters and open loop WFS slopes to estimate the error in a number of independent terms. The DMTS method directly uses the Truth Sensor measurements to estimate the error. We show a good agreement between the two approaches making us confident in our modelling of the instrument. We derive estimations of the Strehl ratio from the error variance and compare them to the recorded IR image Strehl ratio. We find a good agreement between the two, hence validating our wavefront error analysis. Finally we present an on-sky validation of the tomographic reconstruction using LGS based on GLAO and MOAO data. We also quantify the gain brought by the LGS, comparing results obtained in MOAO with 3 NGS and with or without LGS in the wavefront measurements.

  13. Activation of MAPK signalling results in resistance to saracatinib (AZD0530) in ovarian cancer.

    Science.gov (United States)

    McGivern, Niamh; El-Helali, Aya; Mullan, Paul; McNeish, Iain A; Paul Harkin, D; Kennedy, Richard D; McCabe, Nuala

    2018-01-12

    SRC tyrosine kinase is frequently overexpressed and activated in late-stage, poor prognosis ovarian tumours, and preclinical studies have supported the use of targeted SRC inhibitors in the treatment of this disease. The SAPPROC trial investigated the addition of the SRC inhibitor saracatinib (AZD0530) to weekly paclitaxel for the treatment of platinum resistant ovarian cancer; however, this drug combination did not provide any benefit to progression free survival (PFS) of women with platinum resistant disease. In this study we aimed to identify mechanisms of resistance to SRC inhibitors in ovarian cancer cells. Using two complementary strategies; a targeted tumour suppressor gene siRNA screen, and a phospho-receptor tyrosine kinase array, we demonstrate that activation of MAPK signalling, via a reduction in NF1 (neurofibromin) expression or overexpression of HER2 and the insulin receptor, can drive resistance to AZD0530. Knockdown of NF1 in two ovarian cancer cell lines resulted in resistance to AZD0530, and was accompanied with activated MEK and ERK signalling. We also show that silencing of HER2 and the insulin receptor can partially resensitize AZD0530 resistant cells, which was associated with decreased phosphorylation of MEK and ERK. Furthermore, we demonstrate a synergistic effect of combining SRC and MEK inhibitors in both AZD0530 sensitive and resistant cells, and that MEK inhibition is sufficient to completely resensitize AZD0530 resistant cells. This work provides a preclinical rationale for the combination of SRC and MEK inhibitors in the treatment of ovarian cancer, and also highlights the need for biomarker driven patient selection for clinical trials.

  14. Detection of leaks in underground storage tanks using electrical resistance methods: 1996 results

    International Nuclear Information System (INIS)

    Ramirez, A.; Daily, W.

    1996-10-01

    This document provides a summary of a field experiment performed under a 15m diameter steel tank mockup located at the Hanford Reservation, Washington. The purpose of this test was to image a contaminant plume as it develops in soil under a tank already contaminated by previous leakage and to determine whether contaminant plumes can be detected without the benefit of background data. Measurements of electrical resistance were made before and during a salt water release. These measurements were made in soil which contained the remnants of salt water plumes released during previous tests in 1994 and in 1995. About 11,150 liters of saline solution were released along a portion of the tank's edge in 1996. Changes in electrical resistivity due to release of salt water conducted in 1996 were determined in two ways: (1) changes relative to the 1996 pre-spill data, and (2) changes relative to data collected near the middle of the 1996 spill after the release flow rate was increased. In both cases, the observed resistivity changes show clearly defined anomalies caused by the salt water release. These results indicate that when a plume develops over an existing plume and in a geologic environment similar to the test site environment, the resulting resistivity changes are easily detectable. Three dimensional tomographs of the resistivity of the soil under the tank show that the salt water release caused a region of low soil resistivity which can be observed directly without the benefit of comparing the tomograph to tomographs or data collected before the spill started. This means that it may be possible to infer the presence of pre-existing plumes if there is other data showing that the regions of low resistivity are correlated with the presence of contaminated soil. However, this approach does not appear reliable in defining the total extent of the plume due to the confounding effect that natural heterogeneity has on our ability to define the margins of the anomaly

  15. Final results from an extensive ageing test of bakelite Resistive Plate Chambers

    CERN Document Server

    Carboni, G; De Capua, S; Dominici, Daniele; Messi, R; Passaleva, G; Santovetti, E; Veltri, M

    2004-01-01

    We present the final results of an extensive aging test, performed at the CERN Gamma Irradiation Facility on two bakelite Resistive Plate Chambers (RPC) detectors. With a method based on a model describing the behaviour of an RPC under high particle flux conditions, we have periodically measured the electrode resistivity rho of the two RPC prototypes over 3 years. We observed a large spontaneous increase of rho with time, from the initial value of about 10**1**0 Omega cm to more than 200 multiplied by 10**1**0 Omega cm. A corresponding degradation of the RPC rate capabilities, from more than 3 kHz/cm**2 to less than 200 Hz/cm**2, was observed; the reversibility of the process, using a humid gas mixture, has also been studied. We also present a study of the effects of humidity on the bakelite resistivity using two 10 multiplied by 10 cm**2 bakelite samples.

  16. Deltamethrin resistance in Aedes aegypti results in treatment failure in Merida, Mexico.

    Science.gov (United States)

    Vazquez-Prokopec, Gonzalo M; Medina-Barreiro, Anuar; Che-Mendoza, Azael; Dzul-Manzanilla, Felipe; Correa-Morales, Fabian; Guillermo-May, Guillermo; Bibiano-Marín, Wilbert; Uc-Puc, Valentín; Geded-Moreno, Eduardo; Vadillo-Sánchez, José; Palacio-Vargas, Jorge; Ritchie, Scott A; Lenhart, Audrey; Manrique-Saide, Pablo

    2017-06-01

    The operational impact of deltamethrin resistance on the efficacy of indoor insecticide applications to control Aedes aegypti was evaluated in Merida, Mexico. A randomized controlled trial quantified the efficacy of indoor residual spraying (IRS) against adult Ae. aegypti in houses treated with either deltamethrin (to which local Ae. aegypti expressed a high degree of resistance) or bendiocarb (to which local Ae. aegypti were fully susceptible) as compared to untreated control houses. All adult Ae. aegypti infestation indices during 3 months post-spraying were significantly lower in houses treated with bendiocarb compared to untreated houses (odds ratio houses. On average, bendiocarb spraying reduced Ae. aegypti abundance by 60% during a 3-month period. Results demonstrate that vector control efficacy can be significantly compromised when the insecticide resistance status of Ae. aegypti populations is not taken into consideration.

  17. Multistrain models predict sequential multidrug treatment strategies to result in less antimicrobial resistance than combination treatment

    DEFF Research Database (Denmark)

    Ahmad, Amais; Zachariasen, Camilla; Christiansen, Lasse Engbo

    2016-01-01

    generated by a mathematical model of the competitive growth of multiple strains of Escherichia coli.Results: Simulation studies showed that sequential use of tetracycline and ampicillin reduced the level of double resistance, when compared to the combination treatment. The effect of the cycling frequency...... (how frequently antibiotics are alternated in a sequential treatment) of the two drugs was dependent upon the order in which the two drugs were used.Conclusion: Sequential treatment was more effective in preventing the growth of resistant strains when compared to the combination treatment. The cycling...... frequency did not play a role in suppressing the growth of resistant strains, but the specific order of the two antimicrobials did. Predictions made from the study could be used to redesign multidrug treatment strategies not only for intramuscular treatment in pigs, but also for other dosing routes....

  18. Detailed experimental results for high-trapping efficiency and narrow energy spread in a laser-driven accelerator

    Directory of Open Access Journals (Sweden)

    W. D. Kimura

    2004-09-01

    Full Text Available Presented are details of the staged electron laser acceleration (STELLA experiment, which demonstrated high-trapping efficiency and narrow energy spread in a staged laser-driven accelerator. Trapping efficiencies of up to 80% and energy spreads down to 0.36% (1σ were demonstrated. The experiment validated an approach that may be suitable for the basic design of a laser-driven accelerator system. In this approach, a laser-driven modulator together with a chicane creates a train of microbunches spaced apart by the laser wavelength. These microbunches are sent into a second laser-driven accelerator designed to efficiently trap the microbunches in the ponderomotive potential well of the laser electric field while maintaining a narrow energy spread. The STELLA scientific apparatus and procedures are described in detail. In-depth comparisons between the data and model are given including the predicted energy spectrum, energy-phase plot, and microbunch length profile. Data and model comparisons as a function of the phase delay between the microbunches and the accelerating wave are presented. The model is exercised to reveal how the high-trapping efficiency process evolves during the acceleration process.

  19. Study results of picking high amplitude reflectors in turbidite channel to reveal detail of methane hydrate concentrated zone

    Energy Technology Data Exchange (ETDEWEB)

    Shimoda, N.; Saeki, T.; Inamori, T.; Kobayashi, T.; Fujii, T. [Japan Oil, Gas and Metals National Corp., Mihama-ku, Chiba (Japan). Technology Research Center

    2008-07-01

    Bottom simulating reflectors are found extensively in the eastern Nankai Trough. BSR is considered as a bottom of methane hydrate bearing sediments. High resolution three-dimensional seismic surveys were conducted in 2002 and a multi-well drilling campaign was executed in 2004. This paper discussed the resource potential of methane hydrate in this area. The paper discussed an evaluation of more than 10 methane hydrate concentrated zones in the Nankai Trough. Methane hydrated concentrated zones in this area are roughly classified into 2 types of turbidite sedimentary facies from the seismic geomorphological point of view known as lobe and channel. This paper attempted to interpret a detailed structure of a channel type methane hydrate concentrated zone. High amplitude reflector patches may indicate sand dominated bodies with high methane hydrate concentration. It was concluded that picked reflector patches demonstrated that the methane hydrate concentrated zone was biforked at a lower current area. Detailed observations also revealed that the methane hydrate concentrated zone was developed in a channel complex of which fluid migration was slowly shifted.

  20. Author Details

    African Journals Online (AJOL)

    Abstract PDF · Vol 13, No 2 (2001) - Articles Quarterly clinic 'Cerebral malaria' Details · Vol 22, No 4 (2010) - Articles Paediatric Wandering Spleens in Malawi Abstract PDF · Vol 23, No 1 (2011) - Articles Ward Round-A rare tumor of the kidney resulting in hypertension, renal failure and a cerebrovascular accident in a young ...

  1. 78 FR 19210 - Corrosion-Resistant Carbon Steel Flat Products From the Republic of Korea: Final Results of...

    Science.gov (United States)

    2013-03-29

    ... DEPARTMENT OF COMMERCE International Trade Administration [C-580-818] Corrosion-Resistant Carbon... countervailing duty (CVD) order on corrosion-resistant carbon steel flat products from the Republic of Korea for... subsidies that result in de minimis net subsidy rates. \\1\\ See Corrosion-Resistant Carbon Steel Flat...

  2. BmNPV resistance of silkworm larvae resulting from the ingestion of TiO₂ nanoparticles.

    Science.gov (United States)

    Li, Bing; Xie, Yi; Cheng, Zhe; Cheng, Jie; Hu, Rengping; Gui, Suxin; Sang, Xuezi; Sun, Qingqing; Zhao, Xiaoyang; Sheng, Lei; Shen, Weide; Hong, Fashui

    2012-12-01

    Bombyx mori nucleopolyhedrovirus (BmNPV) causes infection in the silkworm that is often lethal. The infection is hard to prevent, partly because of the nature of the virus particles and partly because of the different strains of B. mori. Titanium dioxide nanoparticles (TiO₂ NPs) have been demonstrated to have antimicrobial properties. The present study investigated whether TiO₂ NPs added to an artificial diet can increase the resistance of B. mori larvae to BmNPV and examined the molecular mechanism behind any resistance shown. The results indicated that ingested TiO₂ NPs decreased reactive oxygen species and NO accumulation in B. mori larvae under BmNPV infection, which in turn led to a decrease in their growth inhibition and mortality. In addition, the TiO₂ NPs significantly promoted the expression of resistance-related genes, including those encoding superoxide dismutase, catalase, glutathione peroxidase, acetylcholine esterase, carboxylesterase, heat shock protein 21, glutathione S transferase o1, P53, and transferring and of genes encoding cytochrome p302 and nitric oxide synthase. These findings are a useful addition to the understanding of the mechanism of BmNPV resistance of B. mori larvae in response to TiO₂ NPs addition. Such information also provides a theoretical basis for the use of TiO₂ NPs in sericulture.

  3. Electroweak corrections to charged-current e+e-->4 fermion processes: Technical details and further results

    International Nuclear Information System (INIS)

    Denner, A.; Dittmaier, S.; Roth, M.; Wieders, L.H.

    2005-01-01

    The complete electroweak O(α) corrections have been calculated for the charged-current four-fermion production processes e + e - ->ν τ τ + μ - ν-bar μ , ud-bar μ - ν-bar μ , and ud-bar sc-bar . Here, technical details of this calculation are presented. These include the algebraic reduction of spinor chains to a few standard structures and the consistent implementation of the finite width of the W boson. To this end, a generalization of the complex-mass scheme to the one-loop level is proposed, and the practical application of this method is described. Finally, the effects of the complete O(α) corrections to various differential cross sections of physical interest are discussed and compared to predictions based on the double-pole approximation, revealing that the latter approximation is not sufficient to fully exploit the potential of a future linear collider in an analysis of W-boson pairs at high energies

  4. Pretreatment HIV drug resistance results in virological failure and accumulation of additional resistance mutations in Ugandan children

    NARCIS (Netherlands)

    Kityo, Cissy; Boerma, Ragna S.; Sigaloff, Kim C. E.; Kaudha, Elizabeth; Calis, Job C. J.; Musiime, Victor; Balinda, Sheila; Nakanjako, Rita; Boender, T. Sonia; Mugyenyi, Peter N.; Rinke de Wit, Tobias F.

    2017-01-01

    Background: Pretreatment HIV drug resistance (PDR) can impair virological response to ART, jeopardizing effective treatment for children. Methods: Children aged <12 years initiated first-line ART in Uganda during 2010-11. Baseline and 6 monthly viral load (VL) and genotypic resistance testing if VL.

  5. Detailed landfill leachate plume mapping using 2D and 3D Electrical Resistivity Tomography - with correlation to ionic strength measured in screens

    DEFF Research Database (Denmark)

    Maurya, P.K.; Rønde, Vinni; Fiandaca, G.

    2017-01-01

    Leaching of organic and inorganic contamination from landfills is a serious environmental problem as surface water and aquifers are affected. In order to assess these risks and investigate the migration of leachate from the landfill, 2D and large scale 3D electrical resistivity tomography were used...... at a heavily contaminated landfill in Grindsted, Denmark. The inverted 2D profiles describe both the variations along the groundwater flow as well as the plume extension across the flow directions. The 3D inversion model shows the variability in the low resistivity anomaly pattern corresponding to differences...... in the ionic strength of the landfill leachate. Chemical data from boreholes agree well with the observations indicating a leachate plume which gradually sinks and increases in size while migrating from the landfill in the groundwater flow direction. Overall results show that the resistivity method has been...

  6. CMOS sensors in 90 nm fabricated on high resistivity wafers: Design concept and irradiation results

    International Nuclear Information System (INIS)

    Rivetti, A.; Battaglia, M.; Bisello, D.; Caselle, M.; Chalmet, P.; Costa, M.; Demaria, N.; Giubilato, P.; Ikemoto, Y.; Kloukinas, K.; Mansuy, C.; Marchioro, A.; Mugnier, H.; Pantano, D.; Potenza, A.; Rousset, J.; Silvestrin, L.; Wyss, J.

    2013-01-01

    The LePix project aims at improving the radiation hardness and the readout speed of monolithic CMOS sensors through the use of standard CMOS technologies fabricated on high resistivity substrates. In this context, high resistivity means beyond 400Ωcm, which is at least one order of magnitude greater than the typical value (1–10Ωcm) adopted for integrated circuit production. The possibility of employing these lightly doped substrates was offered by one foundry for an otherwise standard 90 nm CMOS process. In the paper, the case for such a development is first discussed. The sensor design is then described, along with the key challenges encountered in fabricating the detecting element in a very deep submicron process. Finally, irradiation results obtained on test matrices are reported

  7. Preliminary results of detailed geochemical study of mercury at the ancient ore roasting site Pšenk (Idrija area, Slovenia

    Directory of Open Access Journals (Sweden)

    Tamara Teršič

    2009-06-01

    Full Text Available PŠenk is one out of 21 localities of ancient roasting sites in the woods surrounding Idrija and one of the largest localities of roasting vessels fragments. The most abundant pottery remains are found in the central western part of the area, which is about 60 m long and up to 50 m wide and is supposed to be the location of the roasting process it self. Detailed soil sampling was performed on 210 x 180 m big area. 156 soil (0–15 cm and 15–30 cm and humus samples were collected from 73 sampling points. 3 soil profiles were sampled to determine vertical distribution ofHg in soil. The prevailing soil types are Cambisols with the typical A-B-C layers sequence. In general soils are richin organic matter to the depth of 30–40 cm; deeper the clayey loam prevails. The determined Hg contents in soiland humus samples of the investigated area are in the range 1.6–8,600 mg/kg with the median of 62.5 mg/kg. At thearea of supposed roasting site the Hg contents range between 20 and 8,600 mg/kg with the median of 580 mg/kg.Spatial distribution of mercury in humus and soils of the investigated area show the highest Hg concentrations atthe supposed roasting site area where the largest quantity of pottery fragments were found and to the east of thisarea, at the narrow tract between the footpath on the north and the bed of La~na voda brook on the south. Extremely high Hg contents were found in profile P4 where it riches 37,020 mg/kg at the depth of 20–30 cm; in general Hg concentrations in all three studied profiles show a gradual decrease with depth. The soils of the investigated area are enriched with mercury to a high degree. Further investigations on Hg speciation are needed to determine the mobility and bioavailability of Hg in soil.

  8. Development of innovative micro-pattern gaseous detectors with resistive electrodes and first results of their applications

    CERN Document Server

    Di Mauro, A; Martinengo, P; Nappi, E; Oliveira, R; Peskov, Vladimir; Periale, L; Picchi, P; Pietropaolo, F; Rodionov, I; Santiard, Jean-Claude

    2007-01-01

    The paper summarizes our latest progress in the development of newly introduced micro pattern gaseous detectors with resistive electrodes. These resistive electrodes protect the detector and the front-end electronics in case of occasional discharges and thus make the detectors very robust and reliable in operation. As an example, we describe in greater detail a new recently developed GEM-like detector, fully spark-protected with electrodes made of resistive kapton. We discovered that all resistive layers used in these studies (including kapton), that are coated with photosensitive layers, such as CsI, can be used as efficient photo cathodes for detectors operating in a pulse counting mode. We describe the first applications of such detectors combined with CsI or SbCs photo cathodes for the detection of UV photons at room and cryogenic temperatures.

  9. Deltamethrin resistance in Aedes aegypti results in treatment failure in Merida, Mexico.

    Directory of Open Access Journals (Sweden)

    Gonzalo M Vazquez-Prokopec

    2017-06-01

    Full Text Available The operational impact of deltamethrin resistance on the efficacy of indoor insecticide applications to control Aedes aegypti was evaluated in Merida, Mexico. A randomized controlled trial quantified the efficacy of indoor residual spraying (IRS against adult Ae. aegypti in houses treated with either deltamethrin (to which local Ae. aegypti expressed a high degree of resistance or bendiocarb (to which local Ae. aegypti were fully susceptible as compared to untreated control houses. All adult Ae. aegypti infestation indices during 3 months post-spraying were significantly lower in houses treated with bendiocarb compared to untreated houses (odds ratio <0.75; incidence rate ratio < 0.65 whereas no statistically significant difference was detected between the untreated and the deltamethrin-treated houses. On average, bendiocarb spraying reduced Ae. aegypti abundance by 60% during a 3-month period. Results demonstrate that vector control efficacy can be significantly compromised when the insecticide resistance status of Ae. aegypti populations is not taken into consideration.

  10. Information of French people about nuclear. Detailed results. Ifop for the National Association of local information committees and commissions (ANCCLI)

    International Nuclear Information System (INIS)

    2014-05-01

    After a brief presentation of the survey method (sample, survey mode, dates, error margins and confidence interval), this report presents and briefly comments the main results of a survey on perception French people have on nuclear industry and activities. More precisely, questions asked to the people addressed the following issues: the perception of nuclear as a taboo issue, words associated with nuclear, and the perception of the safety distance to be observed in case of a nuclear accident. For these three questions, tables of data are given which contain answers and social and demographic characteristics

  11. Preliminary Results of Detailed Chemical Abundance Analysis of Milky Way Satellite Galaxy Reticulum II Discovered in the Dark Energy Survey

    Science.gov (United States)

    Nagasawa, Daniel; Marshall, Jennifer L.; Li, Ting; Dark Energy Survey Milky Way Science Group

    2016-01-01

    We present preliminary results from abundance analysis of stars in Milky Way satellite galaxies found in the Dark Energy Survey (DES). DES has discovered 16 candidate satellite galaxies of the Milky Way in its first two years of operation. Since January 2015, three candidates have subsequently been revealed to be dark matter-dominated by spectroscopic follow-up studies of their kinematics, confirming their status as satellite galaxies. Spectroscopic follow-up of the remaining 13 candidates is underway. We have analyzed high resolution VLT/GIRAFFE spectra of member stars in one of these satellite galaxies, Reticulum II. Using equivalent width measurement and spectral synthesis methods, we measure the abundances of Iron and other species in order to begin to understand the chemical content of these Milky Way satellites.

  12. Resisting Organizational Change

    OpenAIRE

    Andersson, Gunnar

    2015-01-01

    We are continuously reminded of how change induces controversy and resistance, regardless of support. We repeatedly experience resistance in difficulties of implementation, little progress, and poor results, rather than increased productivity as anticipated. In a detailed account of how change plays out, a mosaic of what resistance looks like emerges. The picture is both familiar and absolutely concrete, and challenges the structural assumptions and dichotomies on support and resistance in an...

  13. Results of polarization resistance and impedance of steel bars embedded in carbonated concrete contaminated with chlorides

    International Nuclear Information System (INIS)

    Andrade, C.; Alonso, C.; Gonzalez, J.A.

    1989-01-01

    Laboratory results of the corrosion rate of steel embedded in carbonated concrete contaminated with chlorides determined through the Polarization Resistance method are presented here as examples of the possibilities offered by this technique in order to monitor the reinforcement corrosion process. The Rp technique has the advantages of fast response, simple and relatively accurate. Contrasts with gravimetric losses are presented. The A.C. Impedance measurements determined on the same specimens are also presented. The difficulties found in the interpretation of the results are stressed. R T values cannot easily be obtained. Several electrical circuits which may model the behaviour of the steel/concrete system are discussed. Finally, comments on the basic criteria to interpret results of both techniques are given. (author) 4 refs., 6 figs

  14. [Treatment results of rifampicin (RFP) resistant isoniazid (INH) susceptible tuberculosis, a hospital based study].

    Science.gov (United States)

    Yoshiyama, Takashi; Ogata, Hideo; Ito, Kunihiko; Aono, Akio; Wada, Masako

    2007-02-01

    To evaluate treatment results of Rifampicin (R) resistant Isoniazid (H) susceptible tuberculosis cases. Cohort analysis of twenty-three H susceptible R resistant tuberculosis cases started treatment in 1985-2004 at Fukujuji Hospital, by the retrospective review. Three cases became Multi-drug resistant tuberculosis (MDR TB), seventeen cases were cured, two cases died, and one case transferred out. One started treatment with HR became MDR, one of the two started treatment with HR+ Ethambutol (E) became MDR and one of them was cured, eight among ten cases started treatment with HR+Pyrazinamide + (E or Streptomycine (S)) were cured, one among the ten died and one among the ten transferred out, one started treatment with RZE was cured, three among the five cases started treatment with three effective drugs without Z were cured, one among the five died, one among the five became MDR. Three cases started treatment with four effective drugs were cured. Among the nineteen cases continued treatment for more than six months, ten cases treated with four or five effective drugs for at least two months were cured, two cases of nine cases treated with three drugs or less became MDR, seven of the nine cases were cured. Among the same nineteen cases, eleven cases not treated with two or less effective drugs were cured, one case treated with two or less effective drugs for six months became MDR and one of them treated with one or two effective drug for one to three months became MDR and some were cured. The used drugs were H, E, Pyrazinamide, Streptomycin, Kanamycin, Ethionamide and New Quinolones. The duration of treatment of cured cases were eleven to twelve months in 3 cases, twelve to eighteen months in 3 cases, eighteen to twenty-four months in 8 cases and more than two years in 3 cases. If the starting regimen is HRZE, we can cure R resistant H susceptible tuberculosis by the use of four effective drugs for more than two months and at least three effective drugs with the total

  15. Intracranial Stent Implantation for Drug Resistant Atherosclerotic Stenosis: Results of 52 Cases

    International Nuclear Information System (INIS)

    Kim, Kuk Seon; Hwang, Dae Hyun; Ko, Young Hwan; Kang, Ik Won; Lee, Eil Seong; Han, You Mie; Kim, In Soo; Hur, Choon Woong

    2011-01-01

    We evaluated the usefulness of intracranial stent implantation for treatment of drug resistant atherosclerotic stenoses. Between March 2004 and July 2007, we tried intracranial stent implantation in 49 patients with 52 lesions (anterior circulation 48 cases, posterior circulation 4 cases) who had an ischemic stroke with more than 50% of major cerebral artery stenosis. We classified the lesions by their location and morphology, analyzed the results in terms of the success rate, complication rate, and restenosis rate during the follow-up period. Intracranial stent implantation was performed successfully in 43 cases (82.7%). In eight of the nine cases, the stent implantation failure was due to the tortuosity of the target vessel. There was no major periprocedural complication. One patient showed cerebellar infarction after the procedure. Mean residual stenoses decreased from 70.2% to 13.0%. Four cases (9.3%) demonstrated in-stent restenoses and more than 50% during the mean and 25.3/month after the follow-up period. Success rate of intracranial stent implantation may improve on developing technique and more experience. Low rate of complication and restenosis suggest that we can consider intracranial stent implantation for treatment of drug resistant atherosclerotic stenoses.

  16. Author Details

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    PROMOTING ACCESS TO AFRICAN RESEARCH. AFRICAN JOURNALS ONLINE (AJOL) · Journals · Advanced Search · USING AJOL · RESOURCES. Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads.

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    Patriarchal Women's Spirituality Details · Vol 15, No 1 (2002): - Articles The suffering mothers – The Hindu Amman Goddesses as Empowering Role Models for Women Details · Vol 18, No 1 (2005): - Articles South Indian and Spanish Virgins: ...

  18. New results from an extensive aging test on bakelite Resistive Plate Chambers

    CERN Document Server

    AUTHOR|(CDS)2067339; De Capua, Stefano; Domenici, Danilo; Ganis, Gerardo; Messi, Roberto; Passaleva, Giovanni; Santovetti, Emanuele; Veltri, Michele; Carboni, Giovanni; Collazuol, Gianmaria; Capua, Stefano De; Domenici, Danilo; Ganis, Gerardo; Messi, Roberto; Passaleva, Giovanni; Santovetti, Emanuele; Veltri, Michele

    2003-01-01

    We present recent results of an extensive aging test, performed at the CERN Gamma Irradiation Facility on two single-gap RPC prototypes, developed for the LHCb Muon System. With a method based on a model describing the behaviour of an RPC under high particle flux conditions, we have periodically measured the electrode resistance R of the two RPC prototypes over three years: we observe a large spontaneous increase of R with time, from the initial value of about 2 MOhm to more than 250 MOhm. A corresponding degradation of the RPC rate capabilities, from more than 3 kHz/cm^2 to less than 0.15 kHz/cm^2 is also found.

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    Details PDF · Vol 22, No 2 (1999) - Articles Vegetation under different tree species in Acacia woodland in the Rift Valley of Ethiopia Details PDF · Vol 22, No 2 (1999) - Articles Preliminary evaluation of Phytomyza orobanchia (Diptera: Agromyzidae) as a controller of Orobanche spp in Ethiopia Details PDF. ISSN: 2520–7997.

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    Details · Vol 1, No 1 (2003) - Articles Mesalazine: the gold standard for maintenance therapy in inflammatory bowel disease: review. Details · Vol 1, No 1 (2003) - Articles The dangers of eating away from home: review. Details · Vol 1, No 1 (2003) - Articles Infliximab (Revellex) inflammatory bowel disease: guidelines

  1. Parallel Evolution under Chemotherapy Pressure in 29 Breast Cancer Cell Lines Results in Dissimilar Mechanisms of Resistance

    DEFF Research Database (Denmark)

    Tegze, Balint; Szallasi, Zoltan Imre; Haltrich, Iren

    2012-01-01

    Background: Developing chemotherapy resistant cell lines can help to identify markers of resistance. Instead of using a panel of highly heterogeneous cell lines, we assumed that truly robust and convergent pattern of resistance can be identified in multiple parallel engineered derivatives of only...... a few parental cell lines. Methods: Parallel cell populations were initiated for two breast cancer cell lines (MDA-MB-231 and MCF-7) and these were treated independently for 18 months with doxorubicin or paclitaxel. IC50 values against 4 chemotherapy agents were determined to measure cross......-resistance. Chromosomal instability and karyotypic changes were determined by cytogenetics. TaqMan RT-PCR measurements were performed for resistance-candidate genes. Pgp activity was measured by FACS. Results: All together 16 doxorubicin-and 13 paclitaxel-treated cell lines were developed showing 2-46 fold and 3-28 fold...

  2. Insulin resistance and risk of venous thromboembolism : results of a population-based cohort study

    NARCIS (Netherlands)

    Van Schouwenburg, I. M.; Mahmoodi, B. K.; Veeger, N. J. G. M.; Bakker, S. J. L.; Kluin-Nelemans, H. C.; Meijer, K.; Gansevoort, R. T.

    Background: Obesity is an established risk factor for venous thromboembolism (VTE), but it is uncertain how this is mediated. Insulin resistance has a central role in the pathophysiology of the metabolic effects of obesity. Objective: We aimed to investigate whether insulin resistance is a risk

  3. Bacterial antibiotic resistance levels in Danish farmland as a result of treatment with pig manure slurry

    DEFF Research Database (Denmark)

    Sengeløv, Gitte; Agersø, Yvonne; Halling-Sørensen, B.

    2003-01-01

    Resistance to tetracycline, macrolides and streptomycin was measured for a period of 8 months in soil bacteria obtained from farmland treated with pig manure slurry. This was done by spread plating bacteria on selective media (Luria Bertani (LB) medium supplemented with antibiotics). To account...... for seasonal variations in numbers of soil bacteria, ratios of resistant bacteria divided by total count on nonselective plates were calculated. Soil samples were collected from four different farms and from a control soil on a fifth farm. The control soil was not amended with animal manure. The occurrence...... of tetracycline-resistant bacteria was elevated after spread of pig manure slurry but declined throughout the sampling period to a level corresponding to the control soil. Higher load of pig manure slurry yielded higher occurrence of tetracycline resistance after spreading; however, the tetracycline resistance...

  4. THE BEHAVIOR OF TRANSVERSE WAVES IN NONUNIFORM SOLAR FLUX TUBES. I. COMPARISON OF IDEAL AND RESISTIVE RESULTS

    Energy Technology Data Exchange (ETDEWEB)

    Soler, Roberto; Terradas, Jaume; Oliver, Ramón [Departament de Física, Universitat de les Illes Balears, E-07122 Palma de Mallorca (Spain); Goossens, Marcel, E-mail: roberto.soler@uib.es [Centre for Mathematical Plasma Astrophysics, Department of Mathematics, KU Leuven, Celestijnenlaan 200B, B-3001 Leuven (Belgium)

    2013-11-10

    Magnetohydrodynamic (MHD) waves are ubiquitously observed in the solar atmosphere. Kink waves are a type of transverse MHD waves in magnetic flux tubes that are damped due to resonant absorption. The theoretical study of kink MHD waves in solar flux tubes is usually based on the simplification that the transverse variation of density is confined to a nonuniform layer much thinner than the radius of the tube, i.e., the so-called thin boundary approximation. Here, we develop a general analytic method to compute the dispersion relation and the eigenfunctions of ideal MHD waves in pressureless flux tubes with transversely nonuniform layers of arbitrary thickness. Results for kink waves are produced and compared with fully numerical resistive MHD eigenvalue computations in the limit of small resistivity. We find that the frequency and resonant damping rate are the same in both ideal and resistive cases. The actual results for thick nonuniform layers deviate from the behavior predicted in the thin boundary approximation and strongly depend on the shape of the nonuniform layer. The eigenfunctions in ideal MHD are very different from those in resistive MHD. The ideal eigenfunctions display a global character regardless of the thickness of the nonuniform layer, while the resistive eigenfunctions are localized around the resonance and are indistinguishable from those of ordinary resistive Alfvén modes. Consequently, the spatial distribution of wave energy in the ideal and resistive cases is dramatically different. This poses a fundamental theoretical problem with clear observational consequences.

  5. Resistance trends in gram-negative bacteria: surveillance results from two Mexican hospitals, 2005–2010

    Directory of Open Access Journals (Sweden)

    Morfin-Otero Rayo

    2012-06-01

    Full Text Available Abstract Background Hospital-acquired infections caused by multiresistant gram-negative bacteria are difficult to treat and cause high rates of morbidity and mortality. The analysis of antimicrobial resistance trends of gram-negative pathogens isolated from hospital-acquired infections is important for the development of antimicrobial stewardship programs. The information obtained from antimicrobial resistant programs from two hospitals from Mexico will be helpful in the selection of empiric therapy for hospital-acquired gram-negative infections. Findings Two thousand one hundred thirty two gram-negative bacteria collected between January 2005 and December 2010 from hospital-acquired infections occurring in two teaching hospitals in Mexico were evaluated. Escherichia coli was the most frequently isolated gram-negative bacteria, with >50% of strains resistant to ciprofloxacin and levofloxacin. Klebsiella spp. showed resistance rates similar to Escherichia coli for ceftazidime (33.1% vs 33.2%, but exhibited lower rates for levofloxacin (18.2% vs 56%. Of the samples collected for the third most common gram-negative bacteria, Pseudomonas aeruginosa, >12.8% were resistant to the carbapenems, imipenem and meropenem. The highest overall resistance was found in Acinetobacter spp. Enterobacter spp. showed high susceptibility to carbapenems. Conclusions E. coli was the most common nosocomial gram-negative bacilli isolated in this study and was found to have the second-highest resistance to fluoroquinolones (>57.9%, after Acinetobacter spp. 81.2%. This finding represents a disturbing development in a common nosocomial and community pathogen.

  6. Regional Resistance Surveillance Program Results for 12 Asia-Pacific Nations (2011)

    Science.gov (United States)

    Mendes, Rodrigo E.; Mendoza, Myrna; Banga Singh, Kirnpal K.; Castanheira, Mariana; Bell, Jan M.; Turnidge, John D.; Lin, Stephen S. F.

    2013-01-01

    The Regional Resistance Surveillance program monitored susceptibility rates and developing resistance by geographic region, including 12 Asia-Pacific (APAC) countries. Reference broth microdilution methods for susceptibility/interpretations were applied, processing 5,053 strains. Among Staphylococcus aureus isolates (37% methicillin-resistant S. aureus [MRSA], highest in South Korea [73%]), linezolid (LZD), tigecycline (TIG), and vancomycin were 100% active, but 33 and 34% of strains were levofloxacin (LEV) or macrolide resistant, respectively. Streptococcus pneumoniae was most resistant to β-lactams and macrolides (45%) but was LZD, LEV, and TIG susceptible (>98%). Extended-spectrum β-lactamase (ESBL) phenotype rates in Escherichia coli and Klebsiella spp. were 48 and 47%, respectively, and were highest in Taiwan, at 75 to 91%. The best anti-ESBL-phenotype agents were amikacin (81 to 96% susceptible), colistin (COL; >98%), TIG (>98%), and carbapenems (81 to 97%). Pseudomonas aeruginosa showed ≥20% resistance to all drugs except COL (99% susceptible). In conclusion, endemic evolving antimicrobial resistances in APAC nations show compromised roles for many commonly used antimicrobials. PMID:23959306

  7. High Prevalence of HIV Drug Resistance Among Newly Diagnosed Infants Aged <18 Months: Results From a Nationwide Surveillance in Nigeria.

    Science.gov (United States)

    Inzaule, Seth C; Osi, Samuels J; Akinbiyi, Gbenga; Emeka, Asadu; Khamofu, Hadiza; Mpazanje, Rex; Ilesanmi, Oluwafunke; Ndembi, Nicaise; Odafe, Solomon; Sigaloff, Kim C E; Rinke de Wit, Tobias F; Akanmu, Sulaimon

    2018-01-01

    WHO recommends protease-inhibitor-based first-line regimen in infants because of risk of drug resistance from failed prophylaxis used in prevention of mother-to-child transmission (PMTCT). However, cost and logistics impede implementation in sub-Saharan Africa, and >75% of children still receive nonnucleoside reverse transcriptase inhibitor-based regimen (NNRTI) used in PMTCT. We assessed the national pretreatment drug resistance prevalence of HIV-infected children aged resistance surveillance protocol. We used remnant dried blood spots collected between June 2014 and July 2015 from 15 early infant diagnosis facilities spread across all the 6 geopolitical regions of Nigeria. Sampling was through a probability proportional-to-size approach. HIV drug resistance was determined by population-based sequencing. Overall, in 48% of infants (205 of 430) drug resistance mutations (DRM) were detected, conferring resistance to predominantly NNRTIs (45%). NRTI and multiclass NRTI/NNRTI resistance were present at 22% and 20%, respectively, while resistance to protease inhibitors was at 2%. Among 204 infants with exposure to drugs for PMTCT, 57% had DRMs, conferring NNRTI resistance in 54% and multiclass NRTI/NNRTI resistance in 29%. DRMs were also detected in 34% of 132 PMTCT unexposed infants. A high frequency of PDR, mainly NNRTI-associated, was observed in a nationwide surveillance among newly diagnosed HIV-infected children in Nigeria. PDR prevalence was equally high in PMTCT-unexposed infants. Our results support the use of protease inhibitor-based first-line regimens in HIV-infected young children regardless of PMTCT history and underscore the need to accelerate implementation of the newly disseminated guideline in Nigeria.

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    ... diversity among sorghum landraces of southwestern highlands of Uganda Abstract PDF · Vol 25, No 1 (2017) - Articles Stability and extent of resistance of cowpea lines to flower bud thrips in Uganda Abstract PDF · Vol 25, No 3 (2017) - Articles Biochemical factors associated with cassava resistance to whitefly infestation

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    Albakush, AM. Vol 9, No 1 (2014) - Articles Short Communication: High isolation rates of multidrug-resistant bacteria from water and carpets of mosques. Abstract PDF · Vol 9, No 1 (2014) - Articles Identification of multidrug-resistant bacteria and Bacillus cereus from healthcare workers and environmental surfaces in a ...

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    Effect of Experimental Coccidiosis Infections on Body Weight Gain and Spermatogenesis in Broiler Breeder Males Abstract · Vol 7, No 1 (2011) - Articles Comparative Resistance of Three Line Crosses of Broiler Chickens to Three Species of Eimeria Abstract · Vol 7, No 2 (2011) - Articles Comparative Resistance of Three ...

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    Arikawe, AP. Vol 26, No 1 (2011) - Articles Anti-diabetic and anti-oxidant effects of Zingiber Officinale on alloxan-induced and insulin-resistant diabetic male rats. Abstract PDF · Vol 27, No 2 (2012) - Articles Streptozotocin diabetes and insulin resistance impairment of spermatogenesis in adult rat testis: Central Vs local ...

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    Quinolone resistance in Salmonella enterica serovar Typhi: Mechanisms, factors driving the spread of resistance, current epidemiological trends and clinical significance. Abstract PDF · Vol 9, No 1 (2016) - Articles Hepatocellular carcinoma in South Sudan: possible aetiologies, presentation, diagnostic challenges and ways ...

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    Assessment of office furniture and knowledge of work ergonomics among bank workers in Enugu metropolis. Abstract · Vol 16, No 2 (2011) - Articles Cardiovascular response to resistive and non-resistive reciprocal pulley exercise among apparently healthy subjects. Abstract · Vol 16, No 2 (2011) - Articles Participation in ...

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    ... Vol 23, No 3 (2009) - Articles Antimicrobial resistance of bacterial isolates from urinary tract infections at Felge Hiwot Referral Hospital, Ethiopia ... No 1 (2010) - Articles Antimicrobial Resistance Trend of Bacteria from Clinical Isolates: An Eight-Year Retrospective Study at Dessie Regional Laboratory, Northeast Ethiopia

  15. INITIAL RESULTS FROM INVESTIGATIONS TO ENHANCE THE PERFORMANCE OF HIGH TEMPERATURE IRRADIATION-RESISTANT THERMOCOUPLES

    International Nuclear Information System (INIS)

    Crepeau, John; Rempe, Joy; Wilkins, S. Curtis; Knudson, Darrell L.; Condie, Keith G.; Daw, Joshua

    2007-01-01

    New fuel, cladding, and structural materials offer the potential for safer and more economic energy from existing reactor and advanced nuclear reactor designs. However, insufficient data are available to characterize these materials in high temperature, radiation conditions. To evaluate candidate material performance, robust instrumentation is needed that can survive these conditions. However, traditional thermocouples either drift due to degradation at high temperatures (above 1100 C) or due to transmutation of thermocouple components. Thermocouples are needed which can withstand both high temperature and high radiation environments. To address this instrumentation need, the Idaho National Laboratory (INL) recently developed the design and evaluated the performance of a high temperature radiation-resistant thermocouple that contains commercially-available alloys of molybdenum and niobium (Rempe, 2006). Candidate thermocouple component materials were first identified based on their ability to withstand high temperature and radiation. Then, components were selected based on data obtained from materials interaction tests, ductility investigations, and resolution evaluations. Results from long duration (over 4000 hours) tests at high temperatures (up to 1400 C) and thermal cycling tests demonstrate the stability and reliability of the INL-developed design. Tests in INL's Advanced Test Reactor (ATR) are underway to demonstrate the in-pile performance of these thermocouples. However, several options have been identified that could further enhance the lifetime and reliability of the INL-developed thermocouples, allowing their use in higher temperature applications (up to at least 1700 C). A joint University of Idaho (UI) and INL University Nuclear Energy Research Initiative (UNERI) is underway to investigate these options and ultimately, provide recommendations for an enhanced thermocouple design. This paper presents preliminary results from this UI/INL effort. Results

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    An Overview of Africa's Marine Resources: Their Utilization and Sustainable Management Details · Vol 12, No 3 (2000) - Articles EDITORIAL Ganoderma Lucidum - Paramount among Medicinal Mushrooms. Details · Vol 15, No 3 (2003) - Articles Editorial: Africa's Mushrooms: A neglected bioresource whose time has come

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    Tropical anaesthesia: effect on rehabilitation of spasticity in hemiplegic patients. Details · Vol 10, No 4 (2000) - Articles The effect of low intensity therapeutic ultrasound on fibroblast proliferation during the early stages of tendon healing. Details · Vol 18, No 2 (2008) - Articles Factors contributing to possession of walking aids ...

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    Cariem, AK. Vol 1, No 2 (2003) - Articles Gastric outlet obstruction caused by drug-induced focal pancreatitis: case report. Details · Vol 2, No 2 (2004) - Articles Current management of chronic hepatitis B: review. Details. ISSN: 1812-1659. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians ...

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    PROMOTING ACCESS TO AFRICAN RESEARCH. AFRICAN JOURNALS ONLINE (AJOL) · Journals · Advanced Search · USING AJOL · RESOURCES. Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. Username, Password, Remember me

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    Details PDF · Vol 2, No 3 (2002) - Articles Oxydation Catalytique du Butane en Anhydride Maleique par les Oxides V-P. Details PDF · Vol 3, No 3 (2003) - Articles Caracterisation physico-chimique des fruits de quatre essences locales : vitex doniana sweet, vitex madiensis oliv. olax subscorpioides oliv. et ximenia americana

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    Urga, Kelbessa. Vol 20, No 2 (1997) - Articles Co-fermentation of kocho with barley for an improved injera. Details PDF · Vol 21, No 2 (1998) - Articles Effect of fermentation by mixed cultures of lactic acid bacteria on the HCI-extractability of some minerals from tef (Eragrostis tef) atmit. Details PDF · Vol 22, No 2 (1999) - ...

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    Localised tetanus in Lagos, Nigeria Details · Vol 9, No 4 (1999) - Articles Stroke with localised infarction of Wernicke's Area misdiagnosed as psychosis. Details · Vol 18, No 1 (2008) - Articles The effect of tens on selected symptoms in the management of patients with chronic tension type headache: A preliminary study

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    Odihi, John Onu. Vol 10, No 1 (1998) - Articles Escavation-Water Harvesting in Sudano-Sahelian Nigeria: Problems and Prospects Details · Vol 10, No 3 (1998) - Articles Excavation Water Harvesting in Sudano-Sahelian Nigeria: Problems and Prospects Details · Vol 11, No 1 (1999) - Articles REVIEWS Land Use and ...

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    Ngu, V Anomah. Vol 1, No 1 (2001) - Articles Effective Vaccines against and Immunotherapy of the HIV: A preliminary Report Details PDF · Vol 2, No 1 (2002) - Articles Significant reduction of HIV loads in the sera of patients treated with VANHIVAX Details PDF · AJOL African Journals Online. HOW TO USE AJOL.

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    Book Review: Magic in the ancient world: revealing antiquity, F. Graf Details · Vol 23, No 1 (2003): - Articles Book Review: Religion als Phänomen, sozialwissenschaftliche, theologische und philosophische Erkundungen in der Lebenswelt, W.E. Failing, H-G. Heimbrock and T.A. Lotz (Eds.) Details · Vol 26, No 2 (2006): ...

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    Evaluation of the 7 March 2000 earth tremor in Ibadan area, southwestern Nigeria Details · Vol 40, No 1 (2004) - Articles Industrial assessment of the residual clay bodies over gneisses and schists of Yaounde area, southern Cameroon Details · Vol 40, No 1 (2004) - Articles Hydrogeochemical investigation of surface water ...

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to ... Tree, Anthony J. Vol 86, No 1-2 (2015) - Articles The status of the Damara Tern in the Eastern Cape, South Africa § Abstract. ISSN: 0030-6525. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for ...

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    Journal Home > Advanced Search > Author Details. Log in or Register to get ... No 1 (1998) - Articles Investigation on canopy features of three indigenous woodland tree species of Ethiopia Details PDF · Vol 22, No 2 (1999) - Articles Vegetation under different tree species in Acacia woodland in the Rift Valley of Ethiopia

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    A change in the breeding pattern of Aedes aegypti (Linnaeus) in domestic water receptacles during rapid urbanization period. Details · Vol 39 (1999) - Articles Environmental management for mosquito control in tropical urban areas. Details · Vol 39 (1999) - Articles Impact of rapid urbanization in Accra on the breeding ...

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    Owusu, G.K.. Vol 3, No 2 (2001): - Articles Effects of cocoa swollen-shoot virus on the yield of mature bearing trees of upper Amazon cocoa hybrids in Ghana Details · Vol 3, No 2 (2001): - Articles An alternative source for the extraction and purification of cocoa swollen shoot badnavirus (CSSV) Details. ISSN: 0855-3823.

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Abstract PDF · Vol 3, No 6 (2011) - Articles Mixed convection flow and heat transfer in a vertical wavy channel containing porous and fluid layer with traveling thermal waves. Abstract PDF · Vol 3, No 8 ...

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Singh, J. Vol 3, No 2 (2011) - Articles Plane waves in a rotating generalized thermo-elastic solid with voids. Abstract PDF. ISSN: 2141-2839. AJOL African Journals Online. HOW TO USE AJOL.

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Vol 12 (2008) - Articles On the wave equations of shallow water with rough bottom topography. Abstract · Vol 14 (2009) - Articles Energy generation in a plant due to variable sunlight intensity

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Iliopsoas haematoma in a rugby player. Abstract PDF · Vol 29, No 1 (2017) - Articles The use of negative pressure wave treatment in athlete recovery. Abstract PDF. ISSN: 2078-516X. AJOL African ...

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Ismail, A. Vol 9, No 3S (2017): Special Issue - Articles Investigate of wave absorption performance for oil palm frond and empty fruit bunch at 5.8 GHz. Abstract PDF · Vol 9, No 3S (2017): Special Issue ...

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Isa, M.F.M.. Vol 9, No 3S (2017): Special Issue - Articles Experimental and numerical investigation on blast wave propagation in soil structure. Abstract PDF · Vol 9, No 3S (2017): Special Issue - ...

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... No 3S (2017): Special Issue - Articles Experimental and numerical investigation on blast wave propagation in soil structure. Abstract PDF · Vol 9, No 3S (2017): Special Issue - Articles Simulation on ...

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Duwa, S S. Vol 8 (2004) - Articles Lower hybrid waves instability in a velocity–sheared inhomogenous charged dust beam. Abstract · Vol 9 (2005) - Articles The slide away theory of lower hybrid bursts

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... to blast loadings. Abstract PDF · Vol 9, No 3S (2017): Special Issue - Articles Experimental and numerical investigation on blast wave propagation in soil structure. Abstract PDF. ISSN: 1112-9867.

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... The use of negative pressure wave treatment in athlete recovery. Abstract PDF · Vol 29, No 1 (2017) - Articles The prevalence, risk factors predicting injury and the severity of injuries sustained during ...

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Vol 29, No 1 (2017) - Articles The use of negative pressure wave treatment in athlete recovery. Abstract PDF · Vol 29, No 1 (2017) - Articles The prevalence, risk factors predicting injury and the ...

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Uptake of intermittent preventive therapy in pregnancy for malaria in Zimbabwe 2013-2015 Audit Abstract. ISSN: 0008-9176. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for ...

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Regional Anaesthetic Blocks For Hand Surgery In Resource Limited Areas Abstract PDF · Vol 9 (2012) - Articles Audit of prophylactic antibiotic use in orthopaedic surgery in Mulago Hospital

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    Garisch, J. Vol 1, No 1 (2003) - Articles Infliximab (Revellex) inflammatory bowel disease: guidelines. Details · Vol 1, No 2 (2003) - Articles Reflux disease: pathways to the best care: guidelines. Details. ISSN: 1812-1659. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's ...

  6. Previous antibiotic exposure and antimicrobial resistance in invasive pneumococcal disease: results from prospective surveillance.

    Science.gov (United States)

    Kuster, Stefan P; Rudnick, Wallis; Shigayeva, Altynay; Green, Karen; Baqi, Mahin; Gold, Wayne L; Lovinsky, Reena; Muller, Matthew P; Powis, Jeff E; Rau, Neil; Simor, Andrew E; Walmsley, Sharon L; Low, Donald E; McGeer, Allison

    2014-10-01

    Estimating the risk of antibiotic resistance is important in selecting empiric antibiotics. We asked how the timing, number of courses, and duration of antibiotic therapy in the previous 3 months affected antibiotic resistance in isolates causing invasive pneumococcal disease (IPD). We conducted prospective surveillance for IPD in Toronto, Canada, from 2002 to 2011. Antimicrobial susceptibility was measured by broth microdilution. Clinical information, including prior antibiotic use, was collected by chart review and interview with patients and prescribers. Clinical information and antimicrobial susceptibility were available for 4062 (90%) episodes; 1193 (29%) of episodes were associated with receipt of 1782 antibiotic courses in the prior 3 months. Selection for antibiotic resistance was class specific. Time elapsed since most recent antibiotic was inversely associated with resistance (cephalosporins: adjusted odds ratio [OR] per day, 0.98; 95% confidence interval [CI], .96-1.00; P = .02; macrolides: OR, 0.98; 95% CI, .96-.99; P = .005; penicillins: OR [log(days)], 0.62; 95% CI, .44-.89; P = .009; fluoroquinolones: profile penalized-likelihood OR [log(days)], 0.62; 95% CI, .39-1.04; P = .07). Risk of resistance after exposure declined most rapidly for fluoroquinolones and penicillins and reached baseline in 2-3 months. The decline in resistance was slowest for macrolides, and in particular for azithromycin. There was no significant association between duration of therapy and resistance for any antibiotic class. Too few patients received multiple courses of the same antibiotic class to assess the significance of repeat courses. Time elapsed since last exposure to a class of antibiotics is the most important factor predicting antimicrobial resistance in pneumococci. The duration of effect is longer for macrolides than other classes. © The Author 2014. Published by Oxford University Press on behalf of the Infectious Diseases Society of America. All rights reserved

  7. An investigation of correlation factors linking footing resistance on sand with cone penetration test results

    OpenAIRE

    Gavin, Kenneth; Tolooiyan, Ali

    2012-01-01

    Significant research effort has led to improvements in our ability to estimate the ultimate bearing resistance of footings in sand. These techniques often estimate the footing resistance at relatively large displacements, typically 10% of the footing width, qb0.1. Cone Penetration Test (CPT) design methods typically link qb0.1 and qc through a constant reduction factor, a. A range of a factors for shallow footings have been proposed, some methods suggest that a is constant and while ...

  8. Imaging the Alpine Fault: preliminary results from a detailed 3D-VSP experiment at the DFDP-2 drill site in Whataroa, New Zealand

    Science.gov (United States)

    Lay, Vera; Bodenburg, Sascha; Buske, Stefan; Townend, John; Kellett, Richard; Savage, Martha; Schmitt, Douglas; Constantinou, Alexis; Eccles, Jennifer; Lawton, Donald; Hall, Kevin; Bertram, Malcolm; Gorman, Andrew

    2017-04-01

    shows clear reflections on both inline and crossline profiles. Correlating single reflection events enables us to identify the origin of reflections recorded in the data and reveal their 3D character. This array data gives strong evidence for reflections coming from the side, possibly from the steeply dipping valley flanks. Finally, the data will be processed using advanced seismic imaging methods to derive a detailed structural image of the valley and the fault zone at depth. Thus, the results will provide a detailed basis for a seismic site characterization at the DFDP-2 drill site, that will be of crucial importance for further structural and geological investigations of the architecture of the Alpine Fault in this area.

  9. Eligibility for Renal Denervation: Anatomical Classification and Results in Essential Resistant Hypertension

    Energy Technology Data Exchange (ETDEWEB)

    Okada, Takuya, E-mail: okabone@gmail.com; Pellerin, Olivier [Georges Pompidou European Hospital, Department of Cardiovascular and Interventional Radiology, Assistance Publique des Hôpitaux de Paris (France); Savard, Sébastien [Georges Pompidou European Hospital, Department of Hypertension, Assistance Publique des Hôpitaux de Paris (France); Curis, Emmanuel; Monge, Matthieu [INSERM, Clinical Investigation Center 9201 (France); Frank, Michael; Bobrie, Guillaume [Georges Pompidou European Hospital, Department of Hypertension, Assistance Publique des Hôpitaux de Paris (France); Yamaguchi, Masato; Sugimoto, Koji [Kobe University Hospital, Department of Radiology and Center for Endovascular Therapy (Japan); Plouin, Pierre-François; Azizi, Michel [Georges Pompidou European Hospital, Department of Hypertension, Assistance Publique des Hôpitaux de Paris (France); Sapoval, Marc [Georges Pompidou European Hospital, Department of Cardiovascular and Interventional Radiology, Assistance Publique des Hôpitaux de Paris (France)

    2015-02-15

    PurposeTo classify the renal artery (RA) anatomy based on specific requirements for endovascular renal artery denervation (RDN) in patients with drug-resistant hypertension (RH).Materials and MethodsThe RA anatomy of 122 consecutive RH patients was evaluated by computed tomography angiography and classified as two types: A (main RA ≥20 mm in length and ≥4.0 mm in diameter) or B (main RA <20 mm in length or main RA <4.0 mm in diameter). The A type included three subtypes: A1 (without accessory RAs), A2 (with accessory RAs <3.0 mm in diameter), and A3 (with accessory RAs ≥3.0 mm in diameter]. A1 and A2 types were eligible for RDN with the Simplicity Flex catheter. Type B included twi subtypes based on the main RA length and diameter. Patients were accordingly classified into three eligibility categories: complete (CE; both RAs were eligible), partial (PE; one eligible RA), and noneligibility (NE; no eligible RA).ResultsBilateral A1 type was the most prevalent and was observed in 48.4 % of the patients followed by the A1/A2 type (18 %). CE, PE, and NE were observed in 69.7, 22.9, and 7.4 % of patients, respectively. The prevalence of accessory RAs was 41 %.ConclusionsOf RH patients, 30.3 % were not eligible for bilateral RDN with the current Simplicity Flex catheter. This classification provides the basis for standardized reporting to allow for pooling of results of larger patient cohorts in the future.

  10. Consolidated results of the AECB staff's detailed review of Ontario Hydro Nuclear's integrated independent performance assessment and safety system functional inspection findings

    International Nuclear Information System (INIS)

    1998-01-01

    In January 1997, Ontario Hydro announced that a team of nuclear industry experts from the United States, called the Nuclear Performance Advisory Group (NPAG), had been employed to help manage its nuclear program and to implement needed improvements in Ontario Hydro Nuclear (OHN) operations. In the spring of 1997, NPAG initiated a series of detailed reviews of OHN's operations, at its Pickering, Bruce and Darlington nuclear generating stations and in OHN's Head Office groups. These reviews, called 'Independent Integrated Performance Assessments' (UPA) and 'Safety System Functional Inspections' (SSFI), were carried out in April and May of this year with the objective of developing 'an integrated, accurate, and comprehensive understanding of the performance of OHN'.They were conducted in response to a request from the President of Ontario Hydro for a 'brutally honest' assessment of Ontario Hydro Nuclear. NPAG has since been integrated into Ontario Hydro's line organization. Ontario Hydro's Board of Directors received the results of the IIPAs and SSFIs and an Ontario Hydro report titled Basis for Continued Operation on August 12, 1997. AECB staff has been reviewing the reports containing these results since receiving them at that time. The conclusions of these studies are extremely critical of the management of Ontario Hydro Nuclear. They identify a large number of shortcomings in the operation and maintenance of the nuclear generating stations. Ontario Hydro states in the IIPA and SSFI reports that the reports are, by design, negative in slant and emphasize the weaknesses in performance rather than the strengths. The reports conclude that the stations can continue to operate safety while the near and long term improvements are implemented. This report contains the consolidated results of the AECB staffs detailed review of the IIPA and SSFI findings. (author)

  11. Long-term exposure to benzalkonium chloride disinfectants results in change of microbial community structure and increased antimicrobial resistance.

    Science.gov (United States)

    Tandukar, Madan; Oh, Seungdae; Tezel, Ulas; Konstantinidis, Konstantinos T; Pavlostathis, Spyros G

    2013-09-03

    The effect of benzalkonium chlorides (BACs), a widely used class of quaternary ammonium disinfectants, on microbial community structure and antimicrobial resistance was investigated using three aerobic microbial communities: BACs-unexposed (DP, fed a mixture of dextrin/peptone), BACs-exposed (DPB, fed a mixture of dextrin/peptone and BACs), and BACs-enriched (B, fed only BACs). Long-term exposure to BACs reduced community diversity and resulted in the enrichment of BAC-resistant species, predominantly Pseudomonas species. Exposure of the two microbial communities to BACs significantly decreased their susceptibility to BACs as well as three clinically relevant antibiotics (penicillin G, tetracycline, ciprofloxacin). Increased resistance to BACs and penicillin G of the two BACs-exposed communities is predominantly attributed to degradation or transformation of these compounds, whereas resistance to tetracycline and ciprofloxacin is largely due to the activity of efflux pumps. Quantification of several key multidrug resistance genes showed a much higher number of copies of these genes in the DPB and B microbial communities compared to the DP community. Collectively, our findings indicate that exposure of a microbial community to BACs results in increased antibiotic resistance, which has important implications for both human and environmental health.

  12. Author Details

    African Journals Online (AJOL)

    resistance among uropathogens from hospitalised children in Beira, Mozambique Abstract PDF. ISSN: 0256-95749. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL ...

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    African Journals Online (AJOL)

    Pregnancy following laparoscopic ovarian drilling for clomiphene resistant polycystic ovarian syndrome. Abstract PDF · Vol 15, No 2 (2012) - Articles Case Report - Heterotopic pregnancy following intrauterine insemination: Successful management with salpingectomy and continuation of intrauterine pregnancy

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    African Journals Online (AJOL)

    Vica Faba L.) and Field Pea (Pisum Sativum L.) Germplasm Collections from Ethiopia ... Genetic Gain for Adzuki Bean Beetle (Callosobruchus chinensis L.) Resistance in Ethiopian Chickpea (Cicer arietinum L.) Genotypes Abstract.

  15. Silencing Agrobacterium oncogenes in transgenic grapevine results in strain-specific crown gall resistance.

    Science.gov (United States)

    Galambos, A; Zok, A; Kuczmog, A; Oláh, R; Putnoky, P; Ream, W; Szegedi, E

    2013-11-01

    Grapevine rootstock transformed with an Agrobacterium oncogene-silencing transgene was resistant to certain Agrobacterium strains but sensitive to others. Thus, genetic diversity of Agrobacterium oncogenes may limit engineering crown gall resistance. Crown gall disease of grapevine induced by Agrobacterium vitis or Agrobacterium tumefaciens causes serious economic losses in viticulture. To establish crown gall-resistant lines, somatic proembryos of Vitis berlandieri × V. rupestris cv. 'Richter 110' rootstock were transformed with an oncogene-silencing transgene based on iaaM and ipt oncogene sequences from octopine-type, tumor-inducing (Ti) plasmid pTiA6. Twenty-one transgenic lines were selected, and their transgenic nature was confirmed by polymerase chain reaction (PCR). These lines were inoculated with two A. tumefaciens and three A. vitis strains. Eight lines showed resistance to octopine-type A. tumefaciens A348. Resistance correlated with the expression of the silencing genes. However, oncogene silencing was mostly sequence specific because these lines did not abolish tumorigenesis by A. vitis strains or nopaline-type A. tumefaciens C58.

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    chimique des fruits de quatre essences locales : vitex doniana sweet, vitex madiensis oliv. olax subscorpioides oliv. et ximenia americana. Details PDF · AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors ...

  17. Multistrain models predict sequential multidrug treatment strategies to result in less antimicrobial resistance than combination treatment

    DEFF Research Database (Denmark)

    Ahmad, Amais; Zachariasen, Camilla; Christiansen, Lasse Engbo

    2016-01-01

    frequency did not play a role in suppressing the growth of resistant strains, but the specific order of the two antimicrobials did. Predictions made from the study could be used to redesign multidrug treatment strategies not only for intramuscular treatment in pigs, but also for other dosing routes.......Background: Combination treatment is increasingly used to fight infections caused by bacteria resistant to two or more antimicrobials. While multiple studies have evaluated treatment strategies to minimize the emergence of resistant strains for single antimicrobial treatment, fewer studies have...... considered combination treatments. The current study modeled bacterial growth in the intestine of pigs after intramuscular combination treatment (i.e. using two antibiotics simultaneously) and sequential treatments (i.e. alternating between two antibiotics) in order to identify the factors that favor...

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    Libouga, David Gabriel. Vol 1, No 1 (2001) - Articles Etudes du lait de Zebu (Bos Indicus) obtenu à Ngaoundéré (Adamaoua, Nord Cameroun Details PDF · Vol 2, No 2 (2002) - Articles Extrait des ecorces de l'ongokea gore: protéolysé et conservation. Details PDF · Vol 3, No 3 (2003) - Articles Quelques caractéristiques ...

  19. Ageing Studies on the First Resistive-MicroMeGaS Quadruplet at GIF++ Preliminary Results

    Directory of Open Access Journals (Sweden)

    Alvarez Gonzalez B.

    2018-01-01

    Full Text Available A resistive-MicroMeGaS quadruplet built at CERN has been installed at the new CERN Gamma Irradiation Facility (GIF++ with the aim of carrying out a long-term ageing study. Two smaller resistive bulk-MicroMeGaS produced at the CERN PCB workshop have also been installed at GIF++ in order to provide a comparison of the ageing behavior with the MicroMeGaS quadruplet. We give an overview of the ongoing tests at GIF++ in terms of particle rate, integrated charge and spatial resolution of the MicroMeGaS detectors.

  20. Ageing Studies on the First Resistive-MicroMeGaS Quadruplet at GIF++ Preliminary Results

    Science.gov (United States)

    Alvarez Gonzalez, B.; Bianco, M.; Farina, E.; Iengo, P.; Kuger, F.; Lin, T.; Longo, L.; Sekhniaidze, G.; Sidiropoulou, O.; Schott, M.; Valderanis, C.; Wotschack, J.

    2018-02-01

    A resistive-MicroMeGaS quadruplet built at CERN has been installed at the new CERN Gamma Irradiation Facility (GIF++) with the aim of carrying out a long-term ageing study. Two smaller resistive bulk-MicroMeGaS produced at the CERN PCB workshop have also been installed at GIF++ in order to provide a comparison of the ageing behavior with the MicroMeGaS quadruplet. We give an overview of the ongoing tests at GIF++ in terms of particle rate, integrated charge and spatial resolution of the MicroMeGaS detectors.

  1. Seismic response and resistance capacity of 'as built' WWER 440-230 NPP Kozloduy: Verification of the results by experiments and real earthquake

    International Nuclear Information System (INIS)

    Sachanski, S.

    1993-01-01

    Although Kozloduy NPP units 1 and 2 were not designed for earthquakes they have withstood successfully the Vrancea Earthquake in 1977 with sire peak ground acceleration of 83 sm/s 2 . Both units as well as units 3 and 4 were later recalculated for maximum peak acceleration of 0.1 g. According to values calculated by two-dimensional model, in 1980 reactor buildings had sufficient earthquake resistance capacity for the accepted design seismic excitation. The non symmetric design of WWER-440 structures in plan and elevation, the large eccentricity between the center of rigidities and masses as well as technological connections between the separate substructures and units led to complicated space response and rotational effects which cannot be calculated by two-dimensional models. Three dimensional detailed 'as built' mathematical models were established and verified by series of experiments and real earthquake for: detailed analysis of 'as built' structural response, comparing the results of two and three dimensional models, detailed analyses of seismic safety margins

  2. White pine blister rust resistance in North American, Asian and european species - results from artificial inoculartion trials in Oregon

    Directory of Open Access Journals (Sweden)

    R.A. Sniezko

    2013-12-01

    Full Text Available Dorena Genetic Resource Center (DGRC has used artificial inoculation trials to evaluate progenies of thousands of Pinus monticola and P. lambertiana selections from Oregon and Washington for resistance to white pine blister rust caused by Cronartium ribicola. In addition, early results are now available for P. albicaulis and P. strobiformis. DGRC has also recently evaluated seed orchard progenies of P. strobus, as well as bulked seedlots from P. armandii and P. peuce. The majority of P. monticola, P. lambertiana, P. albicaulis, and P. strobus progenies are very susceptible to blister rust. However, resistance exists in all these species. P. strobiformis showed relatively high levels of resistance for the eight progenies tested. Resistance in P. armandii was mainly reflected in the very low percentage of cankered seedlings; for P. peuce, the high percentage of cankered seedlings alive three years after inoculation was notable. R-genes are present in some of the North American five-needle pine species, but partial resistance traits (e.g. bark reaction will play a major role in breeding activities for P. monticola and P. lambertiana and will likely be the key to developing durable resistance.

  3. Aminoglycoside resistance of Pseudomonas aeruginosa in cystic fibrosis results from convergent evolution in the mexZ gene.

    Science.gov (United States)

    Prickett, Michelle H; Hauser, Alan R; McColley, Susanna A; Cullina, Joanne; Potter, Eileen; Powers, Cathy; Jain, Manu

    2017-01-01

    Aminoglycoside (AG) resistance of Pseudomonas aeruginosa in cystic fibrosis (CF) is associated with poorer clinical outcomes and is usually due to overexpression of the efflux pump MexXY. MexXY is regulated by mexZ, one of the most commonly mutated genes in CF P. aeruginosa isolates. Little is known about the evolutionary relationship between AG resistance, MexXY expression and mexZ mutations. To test the hypothesis that AG resistance in P. aeruginosa develops in parallel with higher MexXY expression and mexZ mutations. CF P. aeruginosa isolates were compared for chronically infected (CI) adults, CI children and children with new infection. One P. aeruginosa isolate from each patient was analysed for mexZ mutations, mexY mRNA expression and amikacin resistance. 56 patients with CF were enrolled: 21 children with new P. aeruginosa infection, 18 CI children and 17 CI adults. Amikacin resistance and mexY mRNA expression were higher in cohorts with longer P. aeruginosa infection. The prevalence of non-conservative mexZ mutations was 0%, 33% and 65% in children with new infection, CI children and CI adults, respectively. The same trend was seen in the ratio of non-conservative to non-synonymous mexZ mutations. Of isolates with non-conservative mexZ mutations, 59% were amikacin-resistant compared with 18% of isolates with non-synonymous mutations. The doubling rate of amikacin resistance and non-conservative mexZ mutations was approximately 5 years. P. aeruginosa mexZ mutations undergo positive selection resulting in increased mexY mRNA expression and amikacin resistance and likely play a role in bacterial adaption in the CF lung. Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/.

  4. The socioeconomic impact of multidrug resistant tuberculosis on patients: results from Ethiopia, Indonesia and Kazakhstan

    NARCIS (Netherlands)

    van den Hof, Susan; Collins, David; Hafidz, Firdaus; Beyene, Demissew; Tursynbayeva, Aigul; Tiemersma, Edine

    2016-01-01

    One of the main goals of the post-2015 global tuberculosis (TB) strategy is that no families affected by TB face catastrophic costs. We revised an existing TB patient cost measurement tool to specifically also measure multi-drug resistant (MDR) TB patients' costs and applied it in Ethiopia,

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    African Journals Online (AJOL)

    Safety and immunogenicity of TetractHib (a vaccine combining DTP vaccine and Haemophilus influenza type b conjugate vaccine) administered to infants at 6, 10 and 14 weeks of age. Abstract PDF · Vol 106, No 9 (2016) - Articles Invasive carbapenem-resistant Enterobacteriaceae infection at a paediatric hospital: A case ...

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    Shaw, B.S.. Vol 9, No 3 (2003): Special Edition (October 2003) - Articles Effects of 8 weeks resistance training on serum lipids in sedentary male smokers. Abstract · Vol 22, No 2:2 (2016) - Articles Relative Age Effect (RAE) in male school-aged rugby union players from Gauteng, South Africa Abstract. ISSN: 1117-4315.

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    The effects of a 12-week resistance training programme on the body composition and resting metabolic rate in a cohort of caucasian and coloured, premenopausal women aged 25-35 years. Abstract · Vol 22, No 2:1 (2016) - Articles What is the status of soccer injuries among female players? A systematic review

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    Herrera-Menchaca, LI. Vol 12, No 1 (2015) - Articles Antimicrobial effect of vancomycin electro-transferred water against methicillin-resistant Staphylococcus aureus variant. Abstract PDF. ISSN: 0189-6016. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More ...

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    Nwabuisi, C. Vol 28, No 5 (2009) - Articles Cryptococcal Meningitis in a Newly Diagnosed AIDS Patient: A Case Report Abstract PDF · Vol 30, No 4 (2011) - Articles Methicillin Resistant Staphylococcus aureus: Awareness, Knowledge and Disposition to Screening among Healthcare Workers in Critical Care Units of a ...

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    Mundi, Kwaliafon Salamatou. Vol 11, No 89 (2012) - Articles Antimicrobial activity of Psidium guajava Linn. stem extracts against methicillin-resistant Staphylococcus aureus. Abstract PDF. ISSN: 1684-5315. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More ...

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    Ikeke, K. Vol 11, No 1 (2009) - Articles Insulin Resistance: Causes And Metabolic Implications Abstract PDF. ISSN: 0795-0268. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use · Contact AJOL · News.

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    Igharo, OG. Vol 11, No 1 (2009) - Articles Insulin Resistance: Causes And Metabolic Implications Abstract PDF. ISSN: 0795-0268. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use · Contact AJOL ...

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    Ubhenin, AE. Vol 11, No 1 (2009) - Articles Insulin Resistance: Causes And Metabolic Implications Abstract PDF. ISSN: 0795-0268. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use · Contact AJOL ...

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    Zhao, DongKai. Vol 14, No 5 (2017) - Articles Herb-resistant UPEC strains have different biofilm formation abilities and different expression of certain biofilm related genes. Abstract PDF. ISSN: 0189-6016. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about ...

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    Babalola, OA. Vol 12, No 2 (2008) - Articles Effects of Kaolin particle size and annealing temperature on the Resistivity of Zinc- Kaolin Composite Resistors Abstract PDF. ISSN: 1119-8362. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's ...

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    In Their Fathers' House: Resistant Alterity and the Law of the Father in The Tempest, Othello and Titus Andronicus. Abstract · Vol 8, No 1 (1990) - Articles Kick not against the pricks: Women and revolution in Achebe's anthills of the savannah. Abstract. ISSN: 1816-7659. AJOL African Journals Online. HOW TO USE AJOL.

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    Bidwai, AK. Vol 9, No 1 (2014) - Articles Prevalence of antibacterial resistant bacterial contaminants from mobile phones of hospital inpatients. Abstract PDF. ISSN: 1819-6357. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners ...

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    Iranloye, BO. Vol 24, No 1 (2009) - Articles Effect Of Nicotine Administration On Weight And Histology Of Some Vital Visceral Organs In Female Albino Rats Abstract PDF · Vol 26, No 1 (2011) - Articles Anti-diabetic and anti-oxidant effects of Zingiber Officinale on alloxan-induced and insulin-resistant diabetic male rats

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    Akomolafe, T. Vol 12, No 2 (2008) - Articles Effects of Kaolin particle size and annealing temperature on the Resistivity of Zinc- Kaolin Composite Resistors Abstract PDF. ISSN: 1119-8362. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's ...

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    Echendu, TNC. Vol 35 (2004) - Articles Control of Mosaic disease of cassava by manipulation of planting date and propagation materials of resistant genotypes. Abstract · Vol 41, No 1 (2010) - Articles Nutritional, Physical and Culinary Characteristics of Tuberous Roots of Newly Developed Sweetpotato Genotypes in Nigeria

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    Zaki, SMI. Vol 9, No 2 (2000) - Articles Prevalence of vancomycin-resistant entercocci at Ain Shams University Hospital Abstract. ISSN: 1110-5593. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use ...

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    Hong, L. Vol 7, No 18 (2008) - Articles Mouse model in food allergy: dynamic determination of shrimp allergenicity. Abstract PDF · Vol 8, No 21 (2009) - Articles Analyses of karyotypes and comparative physical locations of the resistance gene, Xa-5, between Oryza sativa and Oryza,/i> officinalis. Abstract PDF · Vol 9, No 28 ...

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    Okewole, E.A.. Vol 20, No 1 (2002) - Articles Experimental studies on hookworm infection: (v) effect of anthelmintic therapy on the level of acquired Resistance in local dogs. Abstract. ISSN: 0794-4845. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about ...

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    Ramanou, A A. Vol 7, No 3 (2007) - Articles Antibacterial activity of Thonningia sanguinea against some multi- drug resistant strains of Salmonella enterica. Abstract PDF. ISSN: 1680-6905. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's ...

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    Offiong, OJ. Vol 8, No 2 (2010) - Articles Internal colonialism and regional resistance to oil exploitation in the Niger delta. Abstract · Vol 9, No 1 (2011) - Articles The Dilemma of Implementing Effective Enviromental Policies In Nigeria Abstract. ISSN: 1596-8308. AJOL African Journals Online. HOW TO USE AJOL.

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    Dzah, C S. Vol 14, No 7 (2014) - Articles Influence of fruit maturity on antioxidant potential and chilling injury resistance of peach fruit (Prunus persica) during cold storage. Abstract PDF. ISSN: 1684-5374. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about ...

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    Vol 24 (2011): Series E - Articles Micro-Propagation of Disease Resistant Cassava Variety in Rwanda Abstract PDF · Vol 24 (2011): Series E - Articles In vitro Plant Regeneration of Cyphomandra betacea through Nodal Culture Abstract PDF · Vol 24 (2011): Series E - Articles In Vitro Propagation of Vanilla in Rwanda

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    Muga, RO. Vol 7, No 1 (2010) - Articles Factors contributing to antimalarial drug resistance in Rachuonyo district, Kenya. Abstract. ISSN: 0856-8960. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use ...

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    Mani Kongnine, D. Vol 9, No 2 (2017) - Articles The bipolaron model in transport properties of YBa2Cu3Oy superconductor prepared by adding Pr2Co7 magnetic nanoparticles. Abstract PDF · Vol 8, No 3 (2016) - Articles Effect of annealing treatments on normal state resistivity of YBa2(Cu1-xTix)3Oy superconductor in ...

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    Wang, L. Vol 44, No 1 (2017) - Articles Management of intracranial ventriculitis caused by multidrug resistant Acinetobacter baumannii: case report and literature review. Abstract PDF. ISSN: 0047-651X. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about ...

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    Hafiz, S. Vol 16, No 3 (2015) - Articles In vitro activity of fosfomycin against uropathogen multi-drug resistant (MDR) Pseudomonas aeruginosa and Acinetobacter baumannii. Abstract PDF. ISSN: 1595-689X. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about ...

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    Bridge, J. Vol 27, No 3 (2007) - Articles Search for Scutellonema bradys resistance in yams (Dioscorea spp.) Abstract PDF. ISSN: 0855-0395. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use · Contact ...

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    Hesseling, P.B.. Vol 93, No 10 (2003) - Articles Haemophilia patients aged 0 - 18 years in the Western Cape Abstract PDF · Vol 78, No 8 (1990) - Articles A prospective amikacin in a study of long-term use of paediatrics department: Indications, administration, side-effects, bacterial isolates and resistance. Abstract PDF · Vol ...

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    Kennedy, Mageto O. Vol 2, No 1 (2006) - Articles Prevalence of multidrug resistant enteropathogenic bacteria causing diarrhea in Kibera community in Nairobi, Kenya Abstract. ISSN: 1607-4106. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL ...

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    Rahimi, R. Vol 30, No 2 (2008) - Articles Acute GH and IGF-I responses to short vs. long rest period between sets during forced repetitions resistance training system. Abstract · Vol 31, No 2 (2009) - Articles The Effect Of Motivational And Relaxation Music On Aerobic Performance, Rating Perceived Exertion And Salivary ...

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    Uzondu, ALE. Vol 10, No 2 (2013) - Articles Antimicrobial spectra and activities of antibiotic substances from Streptomyces species against sensitive and resistant microorganisms. Abstract · Vol 10, No 2 (2013) - Articles Prescription pattern of anxiolytic drugs in burn patients: a case study of national orthopaedic hospital, ...

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    Abba, Babandi. Vol 21, No 6 (2017) - Articles Modelling Growth Kinetics of Klebsiella sp. FIRD 2 on TBT-Resistant Containing Lead Abstract PDF. ISSN: 1119-8362. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and ...

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    Anarfi, John Kwasi. Vol 19, No 1 (2003) - Articles To Change or Not to Change: Obstacles and Resistance to Sexual Behavioural Change among the Youth in Ghana in the Era of AIDS Abstract. ISSN: 0855-4412. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More ...

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    Hamasselbe, A. Vol 3, No 2 (2007) - Articles Evaluation of groundnut (Arachis hypogaea) genotypes for resistance to Cercospora leaf spots in north Cameroon Abstract. ISSN: 1813-3320. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's ...

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    Nwauzoma, AB. Vol 10, No 33 (2011) - Articles Developing markers for Sigatoka leaf spot disease (Mycosphaerella musicola Leach) resistance in banana (Musa spp.) Abstract PDF. ISSN: 1684-5315. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL ...

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    Owuoche, James O. Vol 33, No 3 (2016) - Articles Inheritance of resistance to Ug99 stem rust pathogen in selected barley lines. Abstract. ISSN: 2167-034X. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of ...

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    Adeyemo, O.K.. Vol 18, No 2 (2017) - Articles Multiple antibiotic resistance indices of Aeromonas hydrophila isolates of muscle of catfish (Clarias gariepinus, Burchell 1822) from selected markets in Ibadan, Nigeria Abstract PDF. ISSN: 1595-689X. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for ...

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    Fininsa, C. Vol 17, No 4 (2009) - Articles Evaluation of pathogenic isolates in Ethiopia for the control of chocolate spot in Faba bean. Abstract PDF · Vol 15, No 1 (2007) - Articles Sources of stem rust resistance in Ethiopian tetraploid wheat accessions. Abstract PDF · Vol 19, No 3 (2011) - Articles Potential antagonistic fungal ...

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  18. Generalization of results on experimental study on resistance of ribbed tube bundles

    International Nuclear Information System (INIS)

    Lokshin, V.A.; Fomina, V.N.

    1978-01-01

    On a wide experimental basis a new technique of calculating aerodynamic resistance of chess and passage tube bundles is worked out using inner diameter of carrier tube and ribbing coefficient as geometric parameters in formulae. New calculated formulae are based on a wider experimental material. Their structure is more simple. They are in good agreement with formulae for smooth tube bundles in the chess arrangement

  19. Result

    Indian Academy of Sciences (India)

    With reference to the detailed evaluation of bids submitted the following agencies has been selected to award the contract on L1 ( lowest bidder) basis. 1. M/s . CITO INFOTECH, Bengaluru ( for procurement of desktop computers). 2. M/s. MCCANNINFO SOLUTION, Mumbai ( for procurement of laptops computers)

  20. Mutations in PMR5 result in powdery mildew resistance and altered cell wall composition.

    Science.gov (United States)

    Vogel, John P; Raab, Theodore K; Somerville, Chris R; Somerville, Shauna C

    2004-12-01

    Powdery mildews and other obligate biotrophic pathogens are highly adapted to their hosts and often show limited host ranges. One facet of such host specialization is likely to be penetration of the host cell wall, a major barrier to infection. A mutation in the pmr5 gene rendered Arabidopsis resistant to the powdery mildew species Erysiphe cichoracearum and Erysiphe orontii, but not to the unrelated pathogens Pseudomonas syringae or Peronospora parasitica. PMR5 belongs to a large family of plant-specific genes of unknown function. pmr5-mediated resistance did not require signaling through either the salicylic acid or jasmonic acid/ethylene defense pathways, suggesting resistance in this mutant may be due either to the loss of a susceptibility factor or to the activation of a novel form of defense. Based on Fourier transform infrared analysis, the pmr5 cell walls were enriched in pectin and exhibited a reduced degree of pectin modification relative to wild-type cell walls. In addition, the mutant had smaller cells, suggesting a defect in cell expansion. A double mutant with pmr6 (defective in a glycosylphosphatidylinositol-anchored pectate lyase-like gene) exhibited a strong increase in total uronic acid content and a more severe reduction in size, relative to the single mutants, suggesting that the two genes affect pectin composition, either directly or indirectly, via different mechanisms. These two mutants highlight the importance of the host cell wall in plant-microbe interactions.

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    Rabah, Kefa V O. Vol 9, No 1 (1997) - Articles REVIEW A Study of a New Power Semiconductor Insulated Gate Bipolar Transistor (IGBT) Characteristics and its Application to Automotive Ignition Details. ISSN: 1015-079X. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors ...

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    EKPA, O. D.. Vol 7, No 2 (2001) - Articles Variental differences AND polymorphism in palm oil: a case study of palm oils blended with coconut oil. Details PDF. ISSN: 1118-0579. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners ...

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    Relationship between permethrin susceptiblity and elevated esterase in clones of cotton aphid (Homoptera:Aphididae) Details · Vol 39 (1999) - Articles Studies on some esterases of Coccinella septempunctata Brukii (Coleoptera: Coccinellidae) with varying degrees of insecticide tolerance, and implications for integrated ...

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    Hady, A. Vol 12, No 2 (2000) - Articles CLINICAL AND HISTOPATHOLOGICAL STUDY OF VOCAL CORD POLYPS Details. ISSN: 1110-5607. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use ...

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    Development of a trap to contaminate variegated grasshoppers (Zonocerus variegatus L.) (Orthoptera: Pyrgomorphidae) with Metarrhyzium flavo-viride Gams & Rozsypal in the field. Details · Vol 40, No 1 (2007) - Articles Yam pests in the Ashanti and Brong Ahafo regions of Ghana: A study of farmers\\' indigenous technical ...

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    Oyewunmi, O K. Vol 2, No 1 (1999) - Articles Bacterial pathogens Isolated After Surgical Hand Scrub at the Lagos University Teaching Hospital. Details. ISSN: 1119-1716. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms ...

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    GODINHO, P. Vol 6 (1997) - Articles Some aspects of the reproduction of female corvine fish Plagioscion squamosissimus Heckel, 1840 (Scienidae) in a reservoir of southern Brazil Details. ISSN: 0795-0101. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More ...

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    Wasunna, AO. Vol 80, No 9 (2003): - Articles Neonatal bacterial meningitis at the newborn unit of Kenyatta National Hospital Details PDF · Vol 88, No 1 (2011) - Articles Clinical Risk Index for Babies (Crib) Ii Score as a Predictor of Neonatal Mortality among Low Birth Weight Babies at Kenyatta National Hospital Abstract PDF ...

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    Musoke, RN. Vol 80, No 9 (2003): - Articles Neonatal bacterial meningitis at the newborn unit of Kenyatta National Hospital Details PDF · Vol 89, No 2 (2012) - Articles The impact of partial kangaroo mother care on growth rates and duration of hospital stay of low birth weight infants at the Kenyatta National Hospital, Nairobi

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    Edufunke, IO. Vol 10, No 3 (2000) - Articles Toxicity test of water homogenate of cissus populnea stem in mice and its effects on weights of some organs, serum gonadotropins, lipids and uric acid in male albino rats. Details. ISSN: 0189-2657. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for ...

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    African Journals Online (AJOL)

    Lema, VM. Vol 80, No 9 (2003): - Articles Fournier's gangrene complicating vasectomy. Details PDF · Vol 86, No 6 (2009) - Articles Therapeutic misconception and clinical trials in sub-saharan Africa: A review. Abstract PDF · Vol 86, No 11 (2009) - Articles HIV/AIDS and pregnancy-related deaths in Blantyre, Malawi

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    African Journals Online (AJOL)

    Green, J.M.. Vol 10, No 1 (2001) - Articles Information from Radio Telemetry on movements and exploitation of naturalized Rainbow trout, Oncorhynchus mykiss (Walbaum), in Kenya cold water streams. Details. ISSN: 0002-0036. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians ...

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    African Journals Online (AJOL)

    Nardi, G. Vol 12, No 1 (2004) - Articles Nomenclatural and taxonomic notes on some Endomia Castelnau de Laporte (Coleoptera : Anthicidae) : short communication. Details · AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners ...

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    African Journals Online (AJOL)

    Ziady, C. Vol 1, No 1 (2003) - Articles Infliximab (Revellex) inflammatory bowel disease: guidelines. Details. ISSN: 1812-1659. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use · Contact AJOL · News.

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    African Journals Online (AJOL)

    Nzogang, JF. Vol 3, No 3 (2003) - Articles Effet des huiles essentielles des feuilles et des extrémités fleuries de Cupressus lusitanica sur la Tique Rhipicephalus lunulatus à L'ouest-Cameroun Details PDF · AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about ...

  14. Author Details

    African Journals Online (AJOL)

    An open study of the safety and efficacy of ranitidine Bismuth citrate in the treatment of patients with Helicobacter Pylori-associated duodenal ulcer. Details · Vol 18, No 4 (2008) - Articles Haemosuccus pancreaticus as a rare initial manifestation of pancreatic carcinoma. Abstract · Vol 22, No 2 (2012) - Articles Intravesical ...

  15. Author Details

    African Journals Online (AJOL)

    OKANSEY, F. Vol 8, No 1 (2000) - Articles Adolescent Students' Perception of their career guidance and counselling needs. Details. ISSN: 1117-1421. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use ...

  16. Renal denervation in patients with resistant hypertension: six-month results.

    Science.gov (United States)

    Dores, Hélder; de Sousa Almeida, Manuel; de Araújo Gonçalves, Pedro; Branco, Patrícia; Gaspar, Augusta; Sousa, Henrique; Canha Gomes, Angela; Andrade, Maria João; Carvalho, Maria Salomé; Campante Teles, Rui; Raposo, Luís; Mesquita Gabriel, Henrique; Pereira Machado, Francisco; Mendes, Miguel

    2014-04-01

    Increased activation of the sympathetic nervous system plays a central role in the pathophysiology of hypertension (HTN). Catheter-based renal denervation (RDN) was recently developed for the treatment of resistant HTN. To assess the safety and efficacy of RDN for blood pressure (BP) reduction at six months in patients with resistant HTN. In this prospective registry of patients with essential resistant HTN who underwent RDN between July 2011 and May 2013, the efficacy of RDN was defined as ≥ 10 mm Hg reduction in office systolic blood pressure (SBP) six months after the intervention. In a resistant HTN outpatient clinic, 177 consecutive patients were evaluated, of whom 34 underwent RDN (age 62.7 ± 7.6 years; 50.0% male). There were no vascular complications, either at the access site or in the renal arteries. Of the 22 patients with complete six-month follow-up, the response rate was 81.8% (n=18). The mean office SBP reduction was 22 mm Hg (174 ± 23 vs. 152 ± 22 mm Hg; p<0.001) and 9 mm Hg in diastolic BP (89 ± 16 vs. 80 ± 11 mm Hg; p=0.006). The number of antihypertensive drugs (5.5 ± 1.0 vs. 4.6 ± 1.1; p=0.010) and pharmacological classes (5.4 ± 0.7 vs. 4.6 ± 1.1; p=0.009) also decreased significantly. Of the 24-hour ambulatory BP monitoring and echocardiographic parameters analyzed, there were significant reductions in diastolic load (45 ± 29 vs. 27 ± 26%; p=0.049) and in left ventricular mass index (174 ± 56 vs. 158 ± 60 g/m(2); p=0.014). In this cohort of patients with resistant HTN, RDN was safe and effective, with a significant BP reduction at six-month follow-up. Copyright © 2013 Sociedade Portuguesa de Cardiologia. Published by Elsevier España. All rights reserved.

  17. Cabazitaxel in patients with metastatic castration-resistant prostate cancer: results of a compassionate use program in the Netherlands

    NARCIS (Netherlands)

    Wissing, M.D.; Oort, I.M. van; Gerritsen, W.R.; Eertwegh, A.J. van den; Coenen, J.L.; Bergman, A.M.; Gelderblom, H.

    2013-01-01

    BACKGROUND: Cabazitaxel has been reimbursed as a second-line therapy for patients with metastatic castrate-resistant prostate cancer (mCRPC) in the Netherlands since 2011. Before reimbursement was available, cabazitaxel was provided through a Compassionate Use Program (CUP). We report the results of

  18. The Coronae Conundrum: Results from Detailed Geologic Mapping of Agnesi Quadrangle, (V-45; 25-50S/30-60E), Venus

    Science.gov (United States)

    Hansen, V. L.; Tharalson, E. R.; McDaniel, K. M.; Cole, K. L.; Goodge, B. H.

    2008-03-01

    Detailed geologic mapping of nine coronae and two mons in V45 indicates that these features represent four distinct geomorphic classes, recording five different processes. We suggest that the term coronae should be redefined, or abandoned.

  19. Cosmic ray test results on resistive plate chamber for the BESIII experiments

    International Nuclear Information System (INIS)

    Han, Jifeng; Zhang, Jiawen; Chen, Jin; Zhao, Jianbin; Liu, Qian; Xie, Yuguang; Zhang, Qingmin; Qian, Sen; Yao, Ning; Ma, Liehua

    2007-01-01

    A cosmic ray test system has been built to fully qualify the resistive plate chambers for the MUON system of the BESIII experiment. The setup has been designed to measure detector's performance and to verify the stability and reliability of the MUON system. The same electronics, similar readout method and data analysis for BESIII MUON system have been used for this station. With this station, the 72-barrel detectors were tested, only one detector was rejected and then accepted again after reparation, and the average detector efficiency of the double-layer counters has been measured to be 98%

  20. Author Details

    African Journals Online (AJOL)

    Etude des paramètres de compressibilité et de cisaillement de l'argile-sableuse de la région de Douala au Cameroun Details PDF · Vol 3, No 2 (2003) - Articles Effet du remaniement par décompression de L'échantillon sur la résistance au cisaillement de l'argile-sableuse jaunatre de Ndogbong dans la région de Douala ...

  1. Author Details

    African Journals Online (AJOL)

    Bahi, Aghi. Vol 7, No 1 (2003) - Articles La « Sorbonne » d'Abidjan: rêve de démocratie ou naissance d'un espace public? Details PDF. ISSN: 1027-4332. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of ...

  2. Pathogen frequency and resistance patterns in Brazilian hospitals: summary of results from three years of the SENTRY antimicrobial surveillance program

    Directory of Open Access Journals (Sweden)

    Helio S. Sader

    Full Text Available BACKGROUND: Pathogen frequency and resistance patterns may vary significantly from country to country and also in different hospitals within a country. Thus, regional surveillance programs are essential to guide empirical therapy and infection control measures. METHODS: Rank order of occurrence and antimicrobial susceptibility of pathogenic species causing bloodstream infections (BSI, lower respiratory tract infections (LRTI, wound or skin and soft tissue infections (WSSTI, and urinary tract infections (UTI in hospitalized patients were determined by collecting consecutive isolates over a specified period of time, as part of the SENTRY Antimicrobial Resistance Surveillance Program (SENTRY. All isolates were tested by reference broth microdilution. RESULTS AND CONCLUSIONS: A total of 3,728 bacterial strains were obtained from January, 1997, to December, 1999, from 12 Brazilian hospitals located in 4 states. The largest number of isolates were obtained from patients with BSI (2,008, followed by LRTI (822 cases, UTI (468 cases, and WSSTI (430 cases. Staphylococcus aureus was the most frequently isolated pathogen in general (22.8% - 852 isolates, followed by E. coli (13.8% - 516 cases and Pseudomonas aeruginosa (13.3% - 496 cases. Staphylococcus aureus was also the most common species isolated from BSI (23.6% and WSSTI (45.8%, and P. aeruginosa was the most frequent species isolated from patients with LRTI (29.4%. The main bacterial resistance problems found in this study were: imipenem resistance among P. aeruginosa (69.8% susceptibility and Acinetobacter spp. (88.1% susceptibility; ESBL production among K. pneumoniae (48.4% and E. coli (8.9%; resistance to third generation cephalosporins among Enterobacter spp. (68.1% susceptible to ceftazidime and oxacillin resistance among S. aureus (34.0% and coagulase negative staphylococci (80.1%. Only the carbapenems (88.1% to 89.3% susceptibility showed reasonable activity against the Acinetobacter spp

  3. Pathogen frequency and resistance patterns in Brazilian hospitals: summary of results from three years of the SENTRY antimicrobial surveillance program

    Directory of Open Access Journals (Sweden)

    Sader Helio S.

    2001-01-01

    Full Text Available BACKGROUND: Pathogen frequency and resistance patterns may vary significantly from country to country and also in different hospitals within a country. Thus, regional surveillance programs are essential to guide empirical therapy and infection control measures. METHODS: Rank order of occurrence and antimicrobial susceptibility of pathogenic species causing bloodstream infections (BSI, lower respiratory tract infections (LRTI, wound or skin and soft tissue infections (WSSTI, and urinary tract infections (UTI in hospitalized patients were determined by collecting consecutive isolates over a specified period of time, as part of the SENTRY Antimicrobial Resistance Surveillance Program (SENTRY. All isolates were tested by reference broth microdilution. RESULTS AND CONCLUSIONS: A total of 3,728 bacterial strains were obtained from January, 1997, to December, 1999, from 12 Brazilian hospitals located in 4 states. The largest number of isolates were obtained from patients with BSI (2,008, followed by LRTI (822 cases, UTI (468 cases, and WSSTI (430 cases. Staphylococcus aureus was the most frequently isolated pathogen in general (22.8% - 852 isolates, followed by E. coli (13.8% - 516 cases and Pseudomonas aeruginosa (13.3% - 496 cases. Staphylococcus aureus was also the most common species isolated from BSI (23.6% and WSSTI (45.8%, and P. aeruginosa was the most frequent species isolated from patients with LRTI (29.4%. The main bacterial resistance problems found in this study were: imipenem resistance among P. aeruginosa (69.8% susceptibility and Acinetobacter spp. (88.1% susceptibility; ESBL production among K. pneumoniae (48.4% and E. coli (8.9%; resistance to third generation cephalosporins among Enterobacter spp. (68.1% susceptible to ceftazidime and oxacillin resistance among S. aureus (34.0% and coagulase negative staphylococci (80.1%. Only the carbapenems (88.1% to 89.3% susceptibility showed reasonable activity against the Acinetobacter spp

  4. Histone deacetylation, as opposed to promoter methylation, results in epigenetic BIM silencing and resistance to EGFR TKI in NSCLC.

    Science.gov (United States)

    Zhao, Mingchuan; Zhang, Yishi; Li, Jiayu; Li, Xuefei; Cheng, Ningning; Wang, Qi; Cai, Weijing; Zhao, Chao; He, Yayi; Chang, Jianhua; Zhou, Caicun

    2018-01-01

    Drug resistance remains a major challenge in epidermal growth factor receptor-tyrosine kinase inhibitor (EGFR-TKI) therapy. Bcl-2-like protein 11 (BIM), a B-cell lymphoma 2 family pro-apoptotic protein, is a prime target for specific anti-cancer therapeutics. However, the epigenetic regulation of BIM in non-small cell lung cancer (NSCLC) cell lines and patients with NSCLC in association with EGFR-TKI resistance requires investigation. Methylation-specific PCR (MSP), pyrosequencing, and nested quantitative (q)-MSP were conducted to explore the methylation status of BIM in NSCLC cell lines. In addition, the methylation profile of BIM in patients with NSCLC was assessed by nested q-MSP using circulating free DNA. Cell lines, treated with methylation inhibitor 5-Aza-2'-deoxycytidine (AZA) or histone deacetylation inhibitor trichostatin A (TSA) prior to gefitinib treatment, were examined for BIM gene expression and resistance to gefitinib. All cell lines used in the present study presented with hypo-methylated BIM . Treatment with AZA had no effect on BIM RNA expression in PC9 cells or the gefitinib-resistant cell lines PC9/R and PC9/G2, nor did it reverse their resistance to gefitinib. In contrast, TSA treatment produced the opposite result. In the present study, 25 (78.1%) patients with hypo-methylated BIM and 7 patients (21.9%) with partial or hyper-methylated BIM were identified. The clinicopathological data revealed a random hypo-methylated BIM distribution amongst patients with NSCLC. In the overall study group and EGFR mutant group, hypo-methylated BIM carriers presented with no significant differences in progression free survival compared with patients with partial or hyper-methylated BIM . All cell lines in the present study and the majority of patients with NSCLC carried hypo-methylated BIM . Histone deacetylation, as opposed to promoter methylation, may contribute to the epigenetic silencing of BIM and lead to EGFR TKI resistance in NSCLC.

  5. Serum aryl hydrocarbon receptor ligand activity is associated with insulin resistance and resulting type 2 diabetes.

    Science.gov (United States)

    Roh, Eun; Kwak, Soo Heon; Jung, Hye Seung; Cho, Young Min; Pak, Youngmi Kim; Park, Kyong Soo; Kim, Seong Yeon; Lee, Hong Kyu

    2015-06-01

    Dioxin or dioxin-like compounds are ligands of the aryl hydrocarbon receptor (AhR), which is a ligand-activated nuclear transcription factor. There are limited studies about the association of serum AhR ligand activities and T2DM. Our objective was to investigate the association of serum AhR ligand activities with T2DM and its related metabolic parameters. This case-control study involved 83 subjects with T2DM as well as age-, sex-, and body mass index (BMI)-matched subjects with impaired glucose tolerance (IGT, n = 130) and normal glucose tolerance (NGT, n = 83). Serum AhR ligand activities were measured using a cell-based AhR ligand assay and standardized as 2,3,7,8-tetrachlorodibenzo-p-dioxin equivalents (TCDDeq, pmol/l). The T2DM group had the highest AhR ligand activities compared to the IGT and NGT groups [median (interquartile range), 68.1 (53.1, 81.5), 60.2 (45.8, 75.1), and 53.3 (46.1, 63.7) pmol/l, respectively; P = 0.003]. In the multivariate analysis, the log2-transformed TCDDeq levels were significantly associated with the risk of T2DM after adjusting for age, sex, and BMI (odds ratio 2.26, 95 % confidence interval 1.34-3.82; P = 0.002). In nondiabetic subjects, serum AhR ligand activities showed a positive correlation with fasting glucose and insulin concentrations and the homeostasis model assessment of insulin resistance, but showed a negative correlation with adiponectin concentrations. Serum AhR ligand activities were higher in the T2DM group and were correlated with the parameters of insulin resistance. Further investigation is required to elucidate the causal relationship between AhR ligand activity and T2DM.

  6. Academic detailing.

    Science.gov (United States)

    Shankar, P R; Jha, N; Piryani, R M; Bajracharya, O; Shrestha, R; Thapa, H S

    2010-01-01

    There are a number of sources available to prescribers to stay up to date about medicines. Prescribers in rural areas in developing countries however, may not able to access some of them. Interventions to improve prescribing can be educational, managerial, and regulatory or use a mix of strategies. Detailing by the pharmaceutical industry is widespread. Academic detailing (AD) has been classically seen as a form of continuing medical education in which a trained health professional such as a physician or pharmacist visits physicians in their offices to provide evidence-based information. Face-to-face sessions, preferably on an individual basis, clear educational and behavioural objectives, establishing credibility with respect to objectivity, stimulating physician interaction, use of concise graphic educational materials, highlighting key messages, and when possible, providing positive reinforcement of improved practices in follow-up visits can increase success of AD initiatives. AD is common in developed countries and certain examples have been cited in this review. In developing countries the authors have come across reports of AD in Pakistan, Sudan, Argentina and Uruguay, Bihar state in India, Zambia, Cuba, Indonesia and Mexico. AD had a consistent, small but potentially significant impact on prescribing practices. AD has much less resources at its command compared to the efforts by the industry. Steps have to be taken to formally start AD in Nepal and there may be specific hindering factors similar to those in other developing nations.

  7. CMR fluoroscopy right heart catheterization for cardiac output and pulmonary vascular resistance: results in 102 patients.

    Science.gov (United States)

    Rogers, Toby; Ratnayaka, Kanishka; Khan, Jaffar M; Stine, Annette; Schenke, William H; Grant, Laurie P; Mazal, Jonathan R; Grant, Elena K; Campbell-Washburn, Adrienne; Hansen, Michael S; Ramasawmy, Rajiv; Herzka, Daniel A; Xue, Hui; Kellman, Peter; Faranesh, Anthony Z; Lederman, Robert J

    2017-07-27

    Quantification of cardiac output and pulmonary vascular resistance (PVR) are critical components of invasive hemodynamic assessment, and can be measured concurrently with pressures using phase contrast CMR flow during real-time CMR guided cardiac catheterization. One hundred two consecutive patients underwent CMR fluoroscopy guided right heart catheterization (RHC) with simultaneous measurement of pressure, cardiac output and pulmonary vascular resistance using CMR flow and the Fick principle for comparison. Procedural success, catheterization time and adverse events were prospectively collected. RHC was successfully completed in 97/102 (95.1%) patients without complication. Catheterization time was 20 ± 11 min. In patients with and without pulmonary hypertension, baseline mean pulmonary artery pressure was 39 ± 12 mmHg vs. 18 ± 4 mmHg (p < 0.001), right ventricular (RV) end diastolic volume was 104 ± 64 vs. 74 ± 24 (p = 0.02), and RV end-systolic volume was 49 ± 30 vs. 31 ± 13 (p = 0.004) respectively. 103 paired cardiac output and 99 paired PVR calculations across multiple conditions were analyzed. At baseline, the bias between cardiac output by CMR and Fick was 5.9% with limits of agreement -38.3% and 50.2% with r = 0.81 (p < 0.001). The bias between PVR by CMR and Fick was -0.02 WU.m 2 with limits of agreement -2.6 and 2.5 WU.m 2 with r = 0.98 (p < 0.001). Correlation coefficients were lower and limits of agreement wider during physiological provocation with inhaled 100% oxygen and 40 ppm nitric oxide. CMR fluoroscopy guided cardiac catheterization is safe, with acceptable procedure times and high procedural success rate. Cardiac output and PVR measurements using CMR flow correlated well with the Fick at baseline and are likely more accurate during physiological provocation with supplemental high-concentration inhaled oxygen. Clinicaltrials.gov NCT01287026 , registered January 25, 2011.

  8. Results from the Survey of Antibiotic Resistance (SOAR) 2011-13 in Ukraine.

    Science.gov (United States)

    Feshchenko, Y; Dzyublik, A; Pertseva, T; Bratus, E; Dzyublik, Y; Gladka, G; Morrissey, I; Torumkuney, D

    2016-05-01

    To determine the antibiotic susceptibility of respiratory isolates of Streptococcus pneumoniae and Haemophilus influenzae collected in 2011-13 from Ukraine. MICs were determined by CLSI broth microdilution and susceptibility was assessed using CLSI, EUCAST and pharmacokinetic/pharmacodynamic (PK/PD) breakpoints. A total of 134 isolates of S. pneumoniae and 67 of H. influenzae were collected from eight sites in Ukraine. Overall, 87.3% of S. pneumoniae were penicillin susceptible by CLSI oral breakpoints and 99.3% by CLSI iv breakpoints. Susceptibility to amoxicillin/clavulanic acid (amoxicillin), ceftriaxone and levofloxacin was 100% by CLSI and PK/PD breakpoints. Cephalosporin and macrolide susceptibility was ≥95.5% and 88.1%, respectively using CLSI breakpoints. Trimethoprim/sulfamethoxazole was essentially inactive against pneumococci. Of the 67 H. influenzae tested, 4.5% were β-lactamase positive and all H. influenzae were fully susceptible to amoxicillin/clavulanic acid, ceftriaxone, ciprofloxacin, cefixime and levofloxacin (all breakpoints). Cefuroxime susceptibility was 100% by CLSI but 73.1% by EUCAST and PK/PD breakpoints. A discrepancy was found in macrolide susceptibility between CLSI (∼100% susceptible), EUCAST (22%-43% susceptible) and PK/PD (0%-22% susceptible) breakpoints. Trimethoprim/sulfamethoxazole was poorly active (59.7% susceptible). Generally, antibiotic resistance was low in respiratory pathogens from Ukraine. However, only amoxicillin/clavulanic acid (amoxicillin), ceftriaxone and levofloxacin were fully active against both species. Trimethoprim/sulfamethoxazole was the least active, particularly against S. pneumoniae. Some susceptibility differences were apparent between CLSI, EUCAST and PK/PD breakpoints, especially with macrolides against H. influenzae. These data suggest that further efforts are required to harmonize these international breakpoints. Future studies are warranted to monitor continued low resistance levels in Ukraine

  9. Single nucleotide deletion of cqm1 gene results in the development of resistance to Bacillus sphaericus in Culex quinquefasciatus.

    Science.gov (United States)

    Guo, Qing-yun; Cai, Quan-xin; Yan, Jian-ping; Hu, Xiao-min; Zheng, Da-sheng; Yuan, Zhi-ming

    2013-09-01

    The entomopathogen Bacillus sphaericus is one of the most effective biolarvicides used to control the Culex species of mosquito. The appearance of resistance in mosquitoes to this bacterium, however, remains a threat to its continuous use in integrated mosquito control programs. Previous work showed that the resistance to B. sphaericus in Culex colonies was associated with the absence of the 60-kDa binary toxin receptor (Cpm1/Cqm1), an alpha-glucosidase present in the larval midgut microvilli. In this work, we studied the molecular basis of the resistance developed by Culex quinquefasciatus to B. sphaericus C3-41. The cqm1 genes were cloned from susceptible (CqSL) and resistant (CqRL/C3-41) colonies, respectively. The sequence of the cDNA and genomic DNA derived from CqRL/C3-41 colony differed from that of CqSL one by a one-nucleotide deletion which resulted in a premature stop codon, leading to production of a truncated protein. Recombinant Cqm1S from the CqSL colony expressed in Escherichia coli specifically bound to the Bin toxin and had α-glucosidase activity, whereas the Cqm1R from the CqRL/C3-41 colony, with a deletion of three quarters of the receptor's C-terminal lost its α-glucosidase activity and could not bind to the binary toxin. Immunoblotting experiments showed that Cqm1 was undetectable in CqRL/C3-41 larvae, although the gene was correctly transcribed. Thus, the cqm1R represents a new allele in C. quinquefasciatus that confers resistance to B. sphaericus. Copyright © 2013. Published by Elsevier Ltd.

  10. Post-authorisation study of eslicarbazepine as treatment for drug-resistant epilepsy: preliminary results.

    Science.gov (United States)

    Massot, A; Vivanco, R; Principe, A; Roquer, J; Rocamora, R

    2014-03-01

    Eslicarbazepine acetate (ESL) is a new antiepileptic drug (AED) and an analogue to carbamazepine (CBZ) and oxcarbazepine (OXC). In this study, we evaluate initial therapeutic response to ESL and events in the change from CBZ and OXC. We evaluated 61 patients with a broad spectrum of drug-resistant epilepsies in a cross-sectional study. The switch from CBZ and OXC to ESL was carried out in a single night at ratios of 1:1.3 and 1:1mg respectively. The most common form of epilepsy was temporal lobe epilepsy (62.3%). The most common aetiology was mesial temporal sclerosis (26.2%). Mean follow-up time was 4.7±3.2 months. In 40 patients with a minimum follow-up period of 3 months, monthly median seizure frequency dropped by 63.6% (P 70%. AEs occurred during the titration phase and corresponded to associated AEDs. A rapid change from CBZ and OXC to ESL treatment can be safely performed. Copyright © 2012 Sociedad Española de Neurología. Published by Elsevier Espana. All rights reserved.

  11. Use of dolutegravir in two INI-experienced patients with multiclass resistance resulted in excellent virological and immunological responses.

    Science.gov (United States)

    Hofstra, Laura Marije; Nijhuis, Monique; Mudrikova, Tania; Fun, Axel; Schipper, Pauline; Schneider, Margriet; Wensing, Annemarie

    2014-01-01

    Dolutegravir is a second generation integrase inhibitor with a proposed high genetic barrier to resistance. However, in clinical trials, decreased virological response was seen in a subset of patients with prior exposure to raltegravir and multiple integrase resistance mutations. We describe two cases of HIV subtype B-infected patients starting dolutegravir after previous failure on a raltegravir-containing regimen with extensive resistance. Genotypic analysis was performed using population sequencing and 454 ultradeep sequencing of integrase at time of raltegravir exposure. Both patients were diagnosed in early 1990s and received mono- and dual therapy, followed by several cART-regimens. Due to presence of extensive resistance, the genotypic susceptibility score of these regimens never reached a score >2 and never resulted in sustained virological suppression despite good adherence. Early 2012, the clinical condition of patient 1 worsened during persistent failure of a mega-cART regimen despite excellent drug levels. Six major PI, six minor PI, seven NRTI, six NNRTI and two INI mutations plus DM-virus were detected (Table 1). Ultra-deep sequencing of integrase showed the selection of Q148R, E138K+Q148K, and N155H variants and phenotypic raltegravir resistance was demonstrated. After addition of dolutegravir and enfuvirtide to the failing regimen (zidovudine, lamivudine, tenofovir, etravirine, darunavir/ritonavir, maraviroc), viral load (VL) decreased from 244,000 to <20 cps/mL within five months, CD4-count increased (33 to 272 mm(3)) and the clinical condition improved substantially. In patient 2, similar worsening of the clinical condition was observed late 2012 during persistent failure on mega-cART. Five major PI, six minor PI, nine NRTI, seven NNRTI and one INI mutation plus DM-virus were detected. Ultra-deep sequencing showed selection of N155H, followed by Q95K and V151I variants and phenotypic raltegravir resistance was demonstrated. Dolutegravir was added

  12. Comparison between results of detailed tectonic studies on borehole core vs microresistivity images of borehole wall from gas-bearing shale complexes, Baltic Basin, Poland.

    Science.gov (United States)

    Bobek, Kinga; Jarosiński, Marek; Pachytel, Radomir

    2017-04-01

    , cemented with calcite, were clearly visible in scanner image. We have also observed significantly lower density of veins in core than in the XRMI that occurs systematically in one formation enriched with carbonate and dolomite. In this case, veins are not fractured in core and obliterated for bare eye by dolomitization, but are still contrastive in respect of electric resistance. Calculated density of bedding planes per 1 meter reveals systematically higher density of fractures observed on core than in the XRMI (depicted automatically by interpretation program). This difference may come from additional fracking due to relaxation of borehole core while recovery. Comparison of vertical joint fractures density with thickness of mechanical beds shows either lack of significant trends or a negative correlation (greater density of bedding fractures correspond to lower density of joints). This result, obtained for shale complexes contradict that derived for sandstone or limestone. Boundary between CLUs are visible on both: joint and bedding fracture density profiles. Considering small-scale faults and slickensides we have obtained good agreement between results of core and scanner interpretation. This study in the frame of ShaleMech Project funded by Polish Committee for Scientific Research is in progress and the results are preliminary.

  13. Ras/Raf/MEK/ERK and PI3K/PTEN/Akt/mTOR cascade inhibitors: how mutations can result in therapy resistance and how to overcome resistance.

    Science.gov (United States)

    McCubrey, James A; Steelman, Linda S; Chappell, William H; Abrams, Stephen L; Franklin, Richard A; Montalto, Giuseppe; Cervello, Melchiorre; Libra, Massimo; Candido, Saverio; Malaponte, Grazia; Mazzarino, Maria C; Fagone, Paolo; Nicoletti, Ferdinando; Bäsecke, Jörg; Mijatovic, Sanja; Maksimovic-Ivanic, Danijela; Milella, Michele; Tafuri, Agostino; Chiarini, Francesca; Evangelisti, Camilla; Cocco, Lucio; Martelli, Alberto M

    2012-10-01

    The Ras/Raf/MEK/ERK and PI3K/PTEN/Akt/mTOR cascades are often activated by genetic alterations in upstream signaling molecules such as receptor tyrosine kinases (RTK). Targeting these pathways is often complex and can result in pathway activation depending on the presence of upstream mutations (e.g., Raf inhibitors induce Raf activation in cells with wild type (WT) RAF in the presence of mutant, activated RAS) and rapamycin can induce Akt activation. Targeting with inhibitors directed at two constituents of the same pathway or two different signaling pathways may be a more effective approach. This review will first evaluate potential uses of Raf, MEK, PI3K, Akt and mTOR inhibitors that have been investigated in pre-clinical and clinical investigations and then discuss how cancers can become insensitive to various inhibitors and potential strategies to overcome this resistance.

  14. Ras/Raf/MEK/ERK and PI3K/PTEN/Akt/mTOR Cascade Inhibitors: How Mutations Can Result in Therapy Resistance and How to Overcome Resistance

    Science.gov (United States)

    McCubrey, James A.; Steelman, Linda S.; Chappell, William H.; Abrams, Stephen L.; Franklin, Richard A.; Montalto, Giuseppe; Cervello, Melchiorre; Libra, Massimo; Candido, Saverio; Malaponte, Grazia; Mazzarino, Maria C.; Fagone, Paolo; Nicoletti, Ferdinando; Bäsecke, Jörg; Mijatovic, Sanja; Maksimovic-Ivanic, Danijela; Milella, Michele; Tafuri, Agostino; Chiarini, Francesca; Evangelisti, Camilla; Cocco, Lucio; Martelli, Alberto M.

    2012-01-01

    The Ras/Raf/MEK/ERK and PI3K/PTEN/Akt/mTOR cascades are often activated by genetic alterations in upstream signaling molecules such as receptor tyrosine kinases (RTK). Targeting these pathways is often complex and can result in pathway activation depending on the presence of upstream mutations (e.g., Raf inhibitors induce Raf activation in cells with wild type (WT) RAF in the presence of mutant, activated RAS) and rapamycin can induce Akt activation. Targeting with inhibitors directed at two constituents of the same pathway or two different signaling pathways may be a more effective approach. This review will first evaluate potential uses of Raf, MEK, PI3K, Akt and mTOR inhibitors that have been investigated in pre-clinical and clinical investigations and then discuss how cancers can become insensitive to various inhibitors and potential strategies to overcome this resistance. PMID:23085539

  15. A 20-week program of resistance or concurrent exercise improves symptoms of schizophrenia: results of a blind, randomized controlled trial

    Directory of Open Access Journals (Sweden)

    Bruna Andrade e Silva

    2015-01-01

    Full Text Available Objective:To evaluate the effects of 20 weeks of resistance and concurrent training on psychotic and depressive symptoms, quality of life outcomes, and serum IGF-1, IGFBP-3, and brain-derived neurotrophic factor (BDNF concentrations in patients with schizophrenia.Methods:In this blind, randomized controlled clinical trial, 34 patients with schizophrenia were assigned to one of three groups: control (CTRL, n=13, resistance exercise (RESEX, n=12, or concurrent exercise (CONCEX, n=9. Symptoms, quality of life, strength, and other variables were assessed.Results:A significant time-by-group interaction was found for the RESEX and CONCEX groups on the Positive and Negative Syndrome Scale (PANSS total score for disease symptoms (p = 0.007, positive symptoms (p = 0.003, and on the arm extension one-repetition maximum (1RM test (p = 0.016. In addition, significant improvements on negative symptoms (p = 0.027, on the role-physical domain of the Short Form-36 Health Survey (p = 0.019, and on the chest press 1RM test (p = 0.040 were observed in the RESEX group. No changes were observed for the other variables investigated.Conclusions:In this sample of patients with schizophrenia, 20 weeks of resistance or concurrent exercise program improved disease symptoms, strength, and quality of life. ClinicalTrials.gov: NCT01674543.

  16. Enzymatic modification of corn starch with 4-α-glucanotransferase results in increasing slow digestible and resistant starch.

    Science.gov (United States)

    Jiang, Huan; Miao, Ming; Ye, Fan; Jiang, Bo; Zhang, Tao

    2014-04-01

    In this study, partial 4-α-glucanotransferase (4αGT) treatment was used to modulate the fine structure responsible for the slow digestion and resistant property of starch. Normal corn starch modified using 4αGT for 4h showed an increase of slowly digestible starch from 9.40% to 20.92%, and resistant starch from 10.52 to 17.63%, respectively. The 4αGT treatment decreased the content of amylose from 32.6% to 26.8%. The molecular weight distribution and chain length distribution of 4αGT-treated starch showed a reduction of molecular weight and a great number of short (DP30) chains through cleaving and reorganization of starch molecules. Both the short and long chain fractions of modified amylopectin were attributed to the low in vitro digestibility. The viscosity was inversely related to the digestibility of the 4αGT-treated starch. These results suggested that the 4αGT modified starch synthesized the novel amylopectin clusters with slow digestible and resistant character. Crown Copyright © 2014. Published by Elsevier B.V. All rights reserved.

  17. DC resistivity and IP methods in acid mine drainage problems: results from the Copper Cliff mine tailings impoundments

    Science.gov (United States)

    Yuval, Douglas; Oldenburg, W.

    1996-04-01

    Oxidation of sulfide minerals in the mine tailings impoundments at Copper Cliff, Ontario generates acidic conditions and elevated concentrations of dissolved metals and sulfates in the pore water. The pore water migrates away from the tailings to pose a potential environmental hazard if is should reach nearby water systems. There is a need to characterize this potential environmental problem and to assess the future hazards. A combined DC resistivity and induced polarization (IP) survey was carried out along one of the major flowpaths in the tailings and the data were inverted to produce detailed electrical conductivity and chargeability structures of the cross-section below the survey line. The conductivity distributions are directly translated, through theoretical and empirical relations, to a map of the concentration of the total dissolved solids (TDS) along the cross-section and thereby provide insight about the in-situ pore water quality. The sulfide minerals are the source of the IP response and, thus, when combined with borehole data, the chargeability model can be used to estimate the amount and distribution of the sulfides.

  18. Antibiotic Resistance Among Ocular Pathogens in the United States: Five-Year Results From the Antibiotic Resistance Monitoring in Ocular Microorganisms (ARMOR) Surveillance Study.

    Science.gov (United States)

    Asbell, Penny A; Sanfilippo, Christine M; Pillar, Christopher M; DeCory, Heleen H; Sahm, Daniel F; Morris, Timothy W

    2015-12-01

    The Antibiotic Resistance Monitoring in Ocular Microorganisms (ARMOR) study is the only ongoing nationwide antibiotic resistance surveillance program specific to ocular pathogens. To report resistance rates and trends among common ocular isolates collected during the first 5 years of the ARMOR study. This antibiotic resistance surveillance study was performed at an independent central laboratory. Clinical centers across the United States were invited to submit ocular isolates of Staphylococcus aureus, coagulase-negative staphylococci (CoNS), Streptococcus pneumoniae, Haemophilus influenzae, and Pseudomonas aeruginosa. Isolates were collected from January 1, 2009, through December 31, 2013, and analyzed from January 16 to May 15, 2015. Minimum inhibitory concentrations for various antibiotic classes were determined by broth microdilution according to the guidelines of the Clinical and Laboratory Standards Institute. Minimum inhibitory concentrations were interpreted as susceptible, intermediate, or resistant based on established break points. A total of 3237 ocular isolates (1169 S aureus, 992 CoNS, 330 S pneumoniae, 357 H influenzae, and 389 P aeruginosa) were collected from 72 centers. Methicillin resistance was found among 493 S aureus isolates (42.2%; 95% CI, 39.3%-45.1%) and 493 CoNS isolates (49.7%; 95% CI, 46.5%-52.9%), and methicillin-resistant (MR) isolates had a high probability of concurrent resistance to fluoroquinolones, aminoglycosides, or macrolides (P < .001). Multidrug resistance to at least 3 additional antibiotic classes was found in 428 MR S aureus isolates (86.8%) and 381 MRCoNS isolates (77.3%). All staphylococcal isolates were susceptible to vancomycin. Resistance among S pneumoniae isolates was highest for azithromycin (113 isolates [34.2%]) whereas resistance among P aeruginosa and H influenzae was low against the antibiotics tested. Staphylococcal isolates from elderly patients were more likely to be MR, as were S aureus isolates

  19. Host resistance screening for balsam woolly adelgid: early results from 12 fir species

    Science.gov (United States)

    Leslie Newton; Fred Hain; John. Frampton

    2011-01-01

    Nearly all Fraser fir (Abies fraseri) Christmas trees produced in North Carolina need to be treated one or more times during their 5- to 10-year rotation to prevent or lessen damage caused by the exotic balsam woolly adelgid (BWA) (Adelges piceae Ratz.). These pesticide applications result in an annual cost to the industry...

  20. Modest Decrease in Pgc1α Results in TAG Accumulation but not in Insulin Resistance in L6 Myotubes

    Directory of Open Access Journals (Sweden)

    Bartlomiej Lukaszuk

    2015-03-01

    Full Text Available Background/Aims: PGC-1α is an important cellular protein (coactivator regulating myocyte mitochondria number and function, and therefore whole cellular energy status. The aim of this work was to investigate the effects of modest, temporary PGC-1α knock-down on L6 myotubes insulin resistance in a light of cellular lipid metabolism. Methods: Gas liquid chromatography was applied for assessing FAs content and composition. For the expression of mitochondrial enzymes, as well as FA and glucose transporters, Western Blot technique was adopted. Additionally, radiolabelled glucose and palmitic acid uptake was performed to estimate the nutrients cellular influx. Results: Modest (-24% PGC-1α protein ablation resulted in decreased mitochondrial activity in general (reduced Cyt C content and FAs oxidation in particular (diminished β-HAD expression without increased FAs cellular influx. The aforementioned intervention led to significantly increased TAG cellular level, but not DAG nor CER. Consequently, no changes in cellular insulin responsiveness were noticed. Conclusions: Modest (-24% PGC-1α protein depletion results in lipid accumulation, without causing insulin resistance. Importantly, it seems that this TAG loading is a result of decreased mitochondrial oxidative capacity and/or possibly increased lipid biosynthesis but not fatty acid cellular influx.

  1. Author Details

    African Journals Online (AJOL)

    Ize-Iyamu, IN. Vol 9, No 2 (2010) - Articles Periodontal and orthodontic management of malocclusion as a result of juvenile periodontitis in Benin City: A Case Report Abstract · Vol 10, No 1 (2011) - Articles Periodontal and Orthodontic Management of Malocclusion as a Result of Juvenile Periodontitis in Benin City: A Case ...

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    STI) screening, case and contact treatment, and condom promotion resulting in STI Reduction two years later in rural Malawi Abstract PDF. ISSN: 1995-7262. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians ...

  3. IMPROVEMENT AND RESULT TRACKING OF THE SPECIAL RESISTENCE OF THE WRESTLERS AS AN ALTITUDE RESPONSE

    Directory of Open Access Journals (Sweden)

    Mališa Radović

    2008-08-01

    Full Text Available In the system of preparations for top-level sportsmen for grand competitions, impor tant place has training in the conditions of middle altitude mountains. In that condi tions it develops complex of adaptation reactions /fi rst of all the lack of oxygen/,that brings to improvement of functional possibilities of organism for competitions in lowland con ditions. In order to achieve high results, during the training in the mountains, it is important to fi nd the most effi cient way for use of environment conditions. It was deducted that adapta tion to the mountains conditions and development of the effi ciency of high quality wrest ling sportsmen it defers from less successful wrestlers. Repetition of staying in moun ted areas enables faster adaptation and offers possibility for use of high physical uti li zation.

  4. Prolonged exposure of methicillin-resistant Staphylococcus aureus (MRSA) COL strain to increasing concentrations of oxacillin results in a multidrug-resistant phenotype

    DEFF Research Database (Denmark)

    Martins, Ana; Couto, Isabel; Aagaard, Lone

    2007-01-01

    Our previous studies demonstrated that exposure of a bacterium to increasing concentrations of an antibiotic would increase resistance to that antibiotic as a consequence of activating efflux pumps. This study utilises the same approach; however, it employs the methicillin-resistant Staphylococcus...... aureus (MRSA) COL strain, which is highly resistant to oxacillin (OXA). MRSA COL was adapted to 3200 mg/L of OXA. Changes in resistance to other antibiotics were evaluated and efflux pump activity during the adaptation process was determined. MRSA COL was exposed to stepwise two-fold increases of OXA....... At the end of each step, minimum inhibitory concentration determination for erythromycin (ERY) and other antibiotics was conducted. Reserpine (RES) was employed to evaluate whether resistance to ERY was dependent on efflux pump activity. Efflux pump activity was also evaluated using the ethidium bromide (EB...

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    Abalo, A. Vol 9, No 1 (2010) - Articles Incidence and risk factors for pin tract infection in external fixation of fractures. Abstract · Vol 9, No 2 (2010) - Articles Acute achilles tendon rupture: Results of open surgical repair. Abstract · Vol 10, No 1 (2011) - Articles Intramedullary fixation of boxer's fractures: evaluation of functional ...

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    Renard, D. Vol 10, No 1 (2011) - Articles Intramedullary fixation of boxer's fractures: evaluation of functional results. Abstract. ISSN: 1596-4582. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use ...

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    Mwamakimbullah, RJL. Vol 77, No 1 (2008) - Articles Development of an adaptive sawmill- flow simulator template for predicting results of changes at small- log sawmills. Abstract · Vol 80, No 2 (2010) - Articles Review of short-term demand forecasting methods and selection of the appropriate model for softwood sawmills in ...

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    Akenji, T. Vol 5 (2005): Supplement - Articles An epidemiological approach to malaria vaccine discovery: Hypothesis and preliminary results. Abstract PDF · AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of ...

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    Sokefun, AO. Vol 9, No 2 (2011) - Articles Customer Service and its Effect on the Banking Business in Nigeria Abstract · Vol 11, No 1 (2013) - Articles Comparative analysis of pre- and post- mergers and acquisitions results of Nigerian banks. Abstract. ISSN: 1596-8308. AJOL African Journals Online. HOW TO USE AJOL.

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    Editorial: Advances in dentistry and their applications in attaining big results now. Abstract PDF · Vol 19 (2017): Special Issue - Articles Presidents speech at the opening ceremony of the Tanzania Dental Association 31st Scientific Conference and Annual General Meeting – 23rd November 2016, Morogoro, Tanzania

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    Yassin, I.M.. Vol 9, No 4S (2017): Special Issue - Articles Classification of visualization exudates fundus images results using support vector machine. Abstract PDF · Vol 9, No 4S (2017): Special Issue - Articles Agarwood oil quality classifier using machine learning. Abstract PDF · Vol 9, No 5S (2017): Special Issue - Articles

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    Houzou, P. Vol 3, No 1 (2015) - Articles Operated herniated disk and lumbar spinal stenosis in Togolese patients: anatomical aspects and results of surgical treatment. Abstract. ISSN: 2307-2482. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL ...

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    Musara, A. Vol 61, No 9-12 (2015) - Articles Neurological manifestation of phenytoin toxicity, resulting from drug interaction with chloramphenicol: a case report. Abstract · Vol 63, No 1-3 (2017) - Articles Brain aneurysm patients seen in Harare, Zimbabwe: cases review and review of literature 2012-2014. Abstract.

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    Jokonya, L. Vol 61, No 9-12 (2015) - Articles Neurological manifestation of phenytoin toxicity, resulting from drug interaction with chloramphenicol: a case report. Abstract. ISSN: 0008-9176. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's ...

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    Classification of visualization exudates fundus images results using support vector machine. Abstract PDF · Vol 9, No ... Comparison between Binary Particles Swarm Optimization (BPSO) and Binary Artificial Bee Colony (BABC) for nonlinear autoregressive model structure selection of chaotic data. Abstract PDF · Vol 9, No ...

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    Anarfi, JK. Vol 12, No 3 (2008) - Articles Sexually transmitted infections and health seeking behaviour among Ghanaian women in Accra Abstract PDF · Vol 13, No 1 (2009) - Articles Contraceptive use by women in Accra, Ghana: results from the 2003 Accra women's health survey. Abstract PDF. ISSN: 1118-4841.

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    Osinuga, IA. Vol 11 (2007) - Articles Further results on the classes of convex functions. Abstract · Vol 12 (2008) - Articles On the existence of global optimization solution on abstract spaces. Abstract. ISSN: 1116-4336. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's ...

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    Ogunmoyela, OA. Vol 31, No 2 (2013) - Articles A Critical Evaluation of Survey Results of Vitamin A and Fe Levels in the Mandatory Fortified Food Vehicles and Some Selected Processed Foods in Nigeria Abstract. ISSN: 0189-7241. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians ...

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    Adekoyeni, O. Vol 31, No 2 (2013) - Articles A Critical Evaluation of Survey Results of Vitamin A and Fe Levels in the Mandatory Fortified Food Vehicles and Some Selected Processed Foods in Nigeria Abstract. ISSN: 0189-7241. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians ...

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    Kelvin, Elizabeth A. Vol 15, No 2 (2016) - Articles Choice in HIV testing: the acceptability and anticipated use of a self-administered at-home oral HIV test among South Africans Abstract · Vol 16, No 1 (2017) - Articles Sexual and reproductive health risk behaviours among South African university students: results from a ...

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    Gabeleh, Moosa. Vol 39, No 2 (2016) - Articles Noncycling mappings and best proximity pair results in Hilbert and uniformly convex Banach spaces. Abstract. ISSN: 1607-3606. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners ...

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    Bekele, G. Vol 10, No 1 (2014) - Articles Some Generalized Fixed Point Results on Compact Metric Spaces Abstract PDF. ISSN: 1998-8907. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use · Contact ...

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    Dahiru, D. Vol 9, No 2 (2016) - Articles Relationship between ultrasonic pulse velocity test result and concrete cube strength. Abstract PDF · Vol 9, No 2 (2016) - Articles Comparative study of the properties of ordinary portland cement concrete and binary concrete containing Metakaolin made from Kankara Kaolin in Nigeria

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    ... No 2 (2016) - Articles Relationship between ultrasonic pulse velocity test result and concrete cube strength. Abstract PDF · Vol 9, No 2 (2016) - Articles Comparative study of the properties of ordinary portland cement concrete and binary concrete containing Metakaolin made from Kankara Kaolin in Nigeria Abstract PDF.

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    The running nose: A review of rhinorrhea from non-neoplastic diseases at the otolaryngology clinic of the University of Nigeria Teaching Hospital, Enugu Abstract · Vol 5, No 2 (2000) - Articles A review of sinusitis: Aetiology, Complications and Management Abstract · Vol 6, No 1 (2001) - Articles Results of screening a group ...

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    Kimberlee, RH. Vol 5, No 2 (2007) - Articles The United Kingdom Neighbourhood Road Safety Initiative: Baseline results for risk factors for children in deprived communities. Abstract. ISSN: 1728-774X. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about ...

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    Fertility after conservative organ preserving microsurgery of ectopic pregnancy: results from LUTH: 1986-1994. Abstract · Vol 13, No 3-4 (2003) - Articles Early Embryonic Heart Rate in Normal Pregnancies In Memory of Late Prof. A. Akinrimisi Abstract · Vol 13, No 3-4 (2003) - Articles Fetal Diagnosis of Infectious Disease: A ...

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    Engel-Hills, P. Vol 57, No 9-12 (2011) - Articles Presentation patterns of invasive cancer of the cervix: Results from Parirenyatwa Oncology and Radiotherapy Centre, Harare, Zimbabwe 1998-2010. Abstract. ISSN: 0008-9176. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors ...

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    Riel, Zachariah C. Vol 39, No 5 (2016) - Articles Some results about operators on L1. Abstract. ISSN: 1607-3606. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use · Contact AJOL · News. OTHER ...

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    Umera-Okeke, N. Vol 1, No 1 (2007) - Articles Listening Effectively For Results in an ESL/EFL Classroom. Abstract PDF · Vol 1, No 2 (2007) - Articles Anaphoric Referencing: A Cohesive Device in Written and Spoken Discourse Abstract PDF · Vol 1, No 2 (2007) - Articles English Pronunciation Errors: A Case Study of ...

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    Makubi, A. Vol 22, No 1 (2007) - Articles Thromboembolic and Bleeding Complications among Patients with Mechanical Heart Valves Attending the MuhimbilI National Hospital, Tanzania Abstract · Vol 23, No 1 (2008) - Articles Anticoagulant Control Results among Patients with Mechanical Heart Valves at Muhimbili ...

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    Anetekhai, MA. Vol 6 (2008) - Articles Three Morphotypes Of Macrobrachium macrobrachion (Decapoda, Palaemonidae): Preliminary Results Of Analysis Of Morphological Characters, With Particular Emphasis On The Spines Of The Rostrum Abstract. ISSN: 1596-972X. AJOL African Journals Online. HOW TO USE AJOL.

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    Whenu, OO. Vol 6 (2008) - Articles Three Morphotypes Of Macrobrachium macrobrachion (Decapoda, Palaemonidae): Preliminary Results Of Analysis Of Morphological Characters, With Particular Emphasis On The Spines Of The Rostrum Abstract. ISSN: 1596-972X. AJOL African Journals Online. HOW TO USE AJOL.

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    Akintola, SL. Vol 6 (2008) - Articles Three Morphotypes Of Macrobrachium macrobrachion (Decapoda, Palaemonidae): Preliminary Results Of Analysis Of Morphological Characters, With Particular Emphasis On The Spines Of The Rostrum Abstract. ISSN: 1596-972X. AJOL African Journals Online. HOW TO USE AJOL.

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    Ajibade, MA. Vol 6 (2008) - Articles Three Morphotypes Of Macrobrachium macrobrachion (Decapoda, Palaemonidae): Preliminary Results Of Analysis Of Morphological Characters, With Particular Emphasis On The Spines Of The Rostrum Abstract. ISSN: 1596-972X. AJOL African Journals Online. HOW TO USE AJOL.

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    Onoyom-Ita, EO. Vol 17, No 4 (2011) - Articles A software application for the processing of students results. Abstract. ISSN: 1118-0579. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use · Contact AJOL ...

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    Ibadin, OK. Vol 10, No 1 (2008) - Articles Incidence Of Sexually Transmitted Diseases Amongst Potential Semen Donors In University Of Benin Teaching Hospital, Benin City, Nigeria Abstract PDF · Vol 10, No 1 (2008) - Articles Result Of Seroprevalence Of HIV Amonst Undergraduate Students Of Government Approved ...

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    Gbehounou, G. Vol 4, No 2 (2003) - Articles Rhamphicarpa fistulosa (hochst.) Benth. (scrophulariaceae) : new pest on lowland rice in bénin. results of a survey and immediate control possibilities. Abstract. ISSN: 1659-5009. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors ...

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    Onikoyi, IA. Vol 11, No 1 (2013) - Articles Comparative analysis of pre- and post- mergers and acquisitions results of Nigerian banks. Abstract. ISSN: 1596-8308. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and ...

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    Oyinloye, AO. Vol 4, No 1 (2006) - Articles Assessment of the efficiency of geoelectric sounding results in predicting lithogical sequences in a typical basement complex of Ijesa-Isu, Southwestern Nigeria Abstract. ISSN: 1596-6798. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians ...

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    Meyer, A. Vol 33, No 1 (2003) - Articles The persistence to slaughter age of scars resulting from damage inflicted to ostrich skins during the grow-out phase. Abstract PDF · Vol 32, No 3 (2002) - Articles Declawing ostrich (Struthio camelus domesticus) chicks to minimize skin damage during rearing. Abstract PDF. ISSN: 2221- ...

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    Aka, FT. Vol 4, No 2 (2004) - Articles Rare Gases in mantle-derived rocks from Annobon Island: Preliminary step-heating helium results. Abstract PDF · AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use ...

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    Ofosu, I.W.. Vol 16, No 3 (2014) - Articles Acrylamide resulting from heat-time treatment in Cajanus cajan, a neglected and underutilized legume. Abstract PDF. ISSN: 0794-4896. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners ...

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    Classification of visualization exudates fundus images results using support vector machine. Abstract PDF · Vol 9, No 3S (2017): Special Issue - Articles Detection of asphyxia in infants using deep learning Convolutional Neural Network (CNN) trained on Mel Frequency Cepstrum Coefficient (MFCC) features extracted from ...

  5. results

    Directory of Open Access Journals (Sweden)

    Salabura Piotr

    2017-01-01

    Full Text Available HADES experiment at GSI is the only high precision experiment probing nuclear matter in the beam energy range of a few AGeV. Pion, proton and ion beams are used to study rare dielectron and strangeness probes to diagnose properties of strongly interacting matter in this energy regime. Selected results from p + A and A + A collisions are presented and discussed.

  6. Chest Press Exercises With Different Stability Requirements Result in Similar Muscle Damage Recovery in Resistance-Trained Men.

    Science.gov (United States)

    Ferreira, Diogo V; Ferreira-Júnior, João B; Soares, Saulo R S; Cadore, Eduardo L; Izquierdo, Mikel; Brown, Lee E; Bottaro, Martim

    2017-01-01

    Ferreira, DV, Ferreira-Júnior, JB, Soares, SRS, Cadore, EL, Izquierdo, M, Brown, LE, and Bottaro, M. Chest press exercises with different stability requirements result in similar muscle damage recovery in resistance trained men. J Strength Cond Res 31(1): 71-79, 2017-This study investigated the time course of 96 hours of muscle recovery after 3 different chest press exercises with different stability requirements in resistance-trained men. Twenty-seven men (23.5 ± 3.8 years) were randomly assigned to one of the 3 groups: (a) Smith machine bench press; (b) barbell bench press; or (c) dumbbell bench press. Participants performed 8 sets of 10 repetition maximum with 2 minutes rest between sets. Muscle thickness, peak torque (PT), and soreness were measured pre, post, 24, 48, 72, and 96 hours after exercise. There were no differences in the time course of PT or muscle thickness values of the pectoralis major (p = 0.98 and p = 0.91, respectively) or elbow extensors (p = 0.07 and p = 0.86, respectively) between groups. Muscle soreness of the pectoralis major was also not different between groups (p > 0.05). However, the Smith machine and barbell groups recovered from triceps brachii muscle soreness by 72 hours after exercise (p > 0.05), whereas the dumbbell group did not present any triceps brachii muscle soreness after exercise (p > 0.05). In conclusion, resistance-trained men experience similar muscle damage recovery after Smith machine, barbell, and dumbbell chest press exercise. However, muscle soreness of the elbow extensors takes a longer time to recover after using a barbell chest press exercise.

  7. 77 FR 27438 - Certain Corrosion-Resistant Carbon Steel Flat Products From Korea: Final Results of Expedited...

    Science.gov (United States)

    2012-05-10

    ... International Trade Administration Certain Corrosion-Resistant Carbon Steel Flat Products From Korea: Final... third five-year sunset review of the countervailing duty order on certain corrosion-resistant carbon..., plated, or coated with corrosion-resistant metals such as zinc, aluminum, or zinc-, aluminum-, nickel- or...

  8. 76 FR 3613 - Corrosion-Resistant Carbon Steel Flat Products From the Republic of Korea: Final Results of...

    Science.gov (United States)

    2011-01-20

    ... DEPARTMENT OF COMMERCE International Trade Administration [C-580-818] Corrosion-Resistant Carbon... corrosion-resistant carbon steel flat products (CORE) from the Republic of Korea (Korea) for the period of review (POR) January 1, 2008, through December 31, 2008. See Corrosion-Resistant Carbon Steel Flat...

  9. 78 FR 55057 - Corrosion-Resistant Carbon Steel Flat Products from the Republic of Korea: Preliminary Results of...

    Science.gov (United States)

    2013-09-09

    ... DEPARTMENT OF COMMERCE International Trade Administration [A-580-816] Corrosion-Resistant Carbon... Department) is conducting an administrative review of the antidumping duty order on corrosion-resistant... the antidumping duty order on CORE from Korea was revoked effective this date. See Corrosion-Resistant...

  10. First results of saturation curve measurements of heat-resistant steel using GEANT4 and MCNP5 codes

    International Nuclear Information System (INIS)

    Hoang, Duc-Tam; Tran, Thien-Thanh; Le, Bao-Tran; Vo, Hoang-Nguyen; Chau, Van-Tao; Tran, Kim-Tuyet; Huynh, Dinh-Chuong

    2015-01-01

    A gamma backscattering technique is applied to calculate the saturation curve and the effective mass attenuation coefficient of material. A NaI(Tl) detector collimated by collimator of large diameter is modeled by Monte Carlo technique using both MCNP5 and GEANT4 codes. The result shows a good agreement in response function of the scattering spectra for the two codes. Based on such spectra, the saturation curve of heat-resistant steel is determined. The results represent a strong confirmation that it is appropriate to use the detector collimator of large diameter to obtain the scattering spectra and this work is also the basis of experimental set-up for determining the thickness of material. (author)

  11. Results of the freeze resistance test, swelling index and coefficient of permeability of finegrained mining waste reinforced with cements

    Science.gov (United States)

    Morman, Justyna

    2018-04-01

    The article presents the result of laboratory tests for mining waste with grain size of 0 to 2 mm stabilized with cement. Used for stabilization of cement CEM I 42.5 R and blast furnace cement CEM III / A 42.5N - LH / HSR / NA and a plasticizer sealant. Cement was added to the mining waste test in the proportions of 5 - 8% in relation to the skeleton's weight. For the cemented samples, the freeze resistance test, swelling index, coefficient of permeability and pH of water leachate were tested. The addition of a cement binder resulted in diminishing the water permeability of mining waste and limiting the leaching of fine particles from the material.

  12. Vitamin D Status, Insulin Resistance, Leptin-To-Adiponectin Ratio in Adolescents: Results of a 1-Year Lifestyle Intervention

    Science.gov (United States)

    Rambhojan, Christine; Larifla, Laurent; Clepier, Josiane; Bouaziz-Amar, Elodie; Velayoudom-Cephise, Fritz-Line; Blanchet-Deverly, Anne; Armand, Christophe; Plumasseau, Jean; Lacorte, Jean-Marc; Foucan, Lydia

    2016-01-01

    AIM: We aimed to study the relationships between circulating 25-hydroxyvitamin D [25(OH)D], insulin resistance and leptin-to-adiponectin (L/A) ratio in Guadeloupean children and adolescents and to analyse the changes in 25(OH)D levels after a 1-year lifestyle intervention program. METHODS: 25(OH)D concentrations were measured via a chemiluminescence assay. Cardiometabolic risk factors, homoeostasis model assessment of insulin resistance (HOMA-IR), and adipokines were measured. The lifestyle intervention included dietary counselling, regular physical activity. RESULTS: Among 117 girls and boys (11–15 years old, 31.6% obese), 40% had vitamin D deficiency (25(OH)D levels HOMA-IR acted as independent variables and age, sex, BMI, L/A ratio as covariates, 25(OH)D was significantly associated with HOMA-IR alone (P = 0.036). HOMA-IR was also associated with BMI z-score ≥ 2, L/A ratio and an interaction term BMI z-score ≥ 2*L/A ratio (P HOMA-IR and L/A ratio decreased significantly (P = 0.003, P HOMA-IR, independently of obesity and the high prevalence of vitamin D deficiency should be considered in order to prevent the later incidence of T2DM. A healthy lifestyle including non-sedentary and outdoor activities could be a way for improving vitamin D status. PMID:28028397

  13. Monitoring antibiotic resistance in ocular microorganisms: results from the Antibiotic Resistance Monitoring in Ocular micRorganisms (ARMOR) 2009 surveillance study.

    Science.gov (United States)

    Haas, Wolfgang; Pillar, Chris M; Torres, Mohana; Morris, Timothy W; Sahm, Daniel F

    2011-10-01

    To determine the antibacterial susceptibility profile of bacterial pathogens from ocular infections against relevant aminoglycoside, β-lactam, cephalosporin, chloramphenicol, fluoroquinolone, glycopeptide, lincosamide, and macrolide antibacterial agents. Laboratory investigation. Isolates from patients with bacterial eye infections were collected prospectively by 34 institutions across the United States and were submitted to a central laboratory for inclusion in the Antibiotic Resistance Monitoring in Ocular micRorganisms (ARMOR) study. Minimum inhibitory concentrations were determined by microbroth dilution for 200 Staphylococcus aureus (S. aureus), 144 coagulase-negative staphylococci, 75 Streptococcus pneumoniae (S. pneumoniae), 73 Haemophilus influenzae (H. influenzae), and 100 Pseudomonas aeruginosa (P. aeruginosa) isolates. A large proportion of S. aureus and coagulase-negative staphylococci isolates were resistant to oxacillin/methicillin, azithromycin, or fluoroquinolones; 46.5% of S. aureus, 58.3% of coagulase-negative staphylococci, 9.0% of P. aeruginosa, and 9.3% of pneumococcal isolates were nonsusceptible to 2 or more antibacterial drug classes. Only 2.7% of H. influenzae isolates were nonsusceptible to 1 of the agents tested. Methicillin-resistant staphylococci were statistically more likely (all P < .0038) also to be resistant to fluoroquinolones, aminoglycosides, and macrolides. Resistance to 1 or more antibiotics is prevalent among ocular bacterial pathogens. Current resistance trends should be considered before initiating empiric treatment of common eye infections. Copyright © 2011 Elsevier Inc. All rights reserved.

  14. May Renal Resistive Index Be an Early Predictive Tool of Postoperative Complications in Major Surgery? Preliminary Results

    Directory of Open Access Journals (Sweden)

    Enrico Giustiniano

    2014-01-01

    Full Text Available Background. Patients who undergo high-risk surgery represent a large amount of post-operative ICU-admissions. These patients are at high risk of experiencing postoperative complications. Renal Resistive Index was found to be related with renal dysfunction, hypertension, and posttraumatic hemorrhagic shock, probably due to vasoconstriction. We explored whether Renal Resistive Index (RRI, measured after awakening from general anesthesia, could have any relationship with postoperative complications. Methods. In our observational, stratified dual-center trial, we enrolled patients who underwent general anesthesia for high-risk major surgery. After awakening in recovery room (or during awakening period in subjects submitted to cardiac surgery we measured RRI by echo-color-Doppler method. Primary endpoint was the association of altered RRI (>0.70 and outcome during the first postoperative week. Results. 205 patients were enrolled: 60 (29.3% showed RRI > 0.70. The total rate of adverse event was 27 (18.6% in RRI ≤ 0.7 group and 19 (31.7% in RRI > 0.7 group (P=0.042. Significant correlation between RRI > 0.70 and complications resulted in pneumonia (P=0.016, septic shock (P=0.003, and acute renal failure (P=0.001 subgroups. Patients with RRI > 0.7 showed longer ICU stay (P=0.001 and lasting of mechanical ventilation (P=0.004. These results were confirmed in cardiothoracic surgery subgroup. RRI > 0.7 duplicates triplicates the risk of complications, both in general (OR 2.03 93 95% CI 1.02–4.02, P=0.044 and in cardiothoracic (OR 2.62 95% CI 1.11–6.16, P=0.027 population. Furthermore, we found RRI > 0.70 was associated with a triplicate risk of postoperative septic shock (OR 3.04, CI 95% 1.5–7.01; P=0.002.

  15. Main: Clone Detail [KOME

    Lifescience Database Archive (English)

    Full Text Available Clone Detail Mapping Pseudomolecule data detail Detail information Mapping to the T...IGR japonica Pseudomolecules kome_mapping_pseudomolecule_data_detail.zip kome_mapping_pseudomolecule_data_detail ...

  16. Preliminary results of Resistive Plate Chambers operated with eco-friendly gas mixtures for application in the CMS experiment

    CERN Document Server

    Abbrescia, M.

    2016-01-01

    The operations of Resistive Plate Chambers in LHC experiments require Fluorine based (F-based) gases for optimal performance. Recent European regulations demand the use of environmentally unfriendly F-based gases to be limited or banned. In view of the CMS experiment upgrade, several tests are ongoing to measure the performance of the detector with these new ecological gas mixtures, in terms of efficiency, streamer probability, induced charge and time resolution. Prototype chambers with readout pads and with the standard CMS electronic setup are under test. In this paper preliminary results on performance of RPCs operated with a potential eco-friendly gas candidate 1,3,3,3-Tetrafluoropropene, commercially known as HFO-1234ze, with CO2 and CF3I based gas mixtures are presented and discussed for the possible application in the CMS experiment.

  17. Preliminary results of Resistive Plate Chambers operated with eco-friendly gas mixtures for application in the CMS experiment

    CERN Document Server

    Abbrescia, Marcello; Benussi, Luigi; Bianco, Stefano; Cauwenbergh, Simon Marc D; Ferrini, Mauro; Muhammad, Saleh; Passamontic, L; Pierluigi, Daniele; Piccolo, Davide; Primavera, Federica; Russo, Alessandro; Savianoc, G; Tytgat, Michael

    2016-01-01

    The operations of Resistive Plate Chambers in LHC experiments require F-based gases for optimal performance. Recent regulations demand the use of environmentally unfriendly F-based gases to be limited or banned. In view of the CMS experiment upgrade several tests are ongoing to measure the performance of the detector in terms of efficiency, streamer probability, induced charge and time resolution. Prototype chambers with readout pads and with the standard cms electronic setup are under test. In this talk preliminary results on performance of RPCs operated with a potential eco-friendly gas candidate 1,3,3,3-Tetrafluoropropene, commercially known as HFO-1234ze and with CO2 based gas mixtures are presented and discussed for the possible application in the CMS experiment.

  18. Quality of Antimalarials at the Epicenter of Antimalarial Drug Resistance: Results from an Overt and Mystery Client Survey in Cambodia

    Science.gov (United States)

    Yeung, Shunmay; Lawford, Harriet L. S.; Tabernero, Patricia; Nguon, Chea; van Wyk, Albert; Malik, Naiela; DeSousa, Mikhael; Rada, Ouk; Boravann, Mam; Dwivedi, Prabha; Hostetler, Dana M.; Swamidoss, Isabel; Green, Michael D.; Fernandez, Facundo M.; Kaur, Harparkash

    2015-01-01

    Widespread availability of monotherapies and falsified antimalarials is thought to have contributed to the historical development of multidrug-resistant malaria in Cambodia. This study aimed to document the quality of artemisinin-containing antimalarials (ACAs) and to compare two methods of collecting antimalarials from drug outlets: through open surveyors and mystery clients (MCs). Few oral artemisinin-based monotherapies and no suspected falsified medicines were found. All 291 samples contained the stated active pharmaceutical ingredient (API) of which 69% were considered good quality by chemical analysis. Overall, medicine quality did not differ by collection method, although open surveyors were less likely to obtain oral artemisinin-based monotherapies than MCs. The results are an encouraging indication of the positive impact of the country's efforts to tackle falsified antimalarials and artemisinin-based monotherapies. However, poor-quality medicines remain an ongoing challenge that demands sustained political will and investment of human and financial resources. PMID:25897063

  19. Brief Report: HIV Drug Resistance in Adults Failing Early Antiretroviral Treatment: Results From the HIV Prevention Trials Network 052 Trial.

    Science.gov (United States)

    Fogel, Jessica M; Hudelson, Sarah E; Ou, San-San; Hart, Stephen; Wallis, Carole; Morgado, Mariza G; Saravanan, Shanmugam; Tripathy, Srikanth; Hovind, Laura; Piwowar-Manning, Estelle; Sabin, Devin; McCauley, Marybeth; Gamble, Theresa; Zhang, Xinyi C; Eron, Joseph J; Gallant, Joel E; Kumwenda, Johnstone; Makhema, Joseph; Kumarasamy, Nagalingeswaran; Chariyalertsak, Suwat; Hakim, James; Badal-Faesen, Sharlaa; Akelo, Victor; Hosseinipour, Mina C; Santos, Breno R; Godbole, Sheela V; Pilotto, Jose H; Grinsztejn, Beatriz; Panchia, Ravindre; Mayer, Kenneth H; Chen, Ying Q; Cohen, Myron S; Eshleman, Susan H

    2016-07-01

    Early initiation of antiretroviral treatment (ART) reduces HIV transmission and has health benefits. HIV drug resistance can limit treatment options and compromise use of ART for HIV prevention. We evaluated drug resistance in 85 participants in the HIV Prevention Trials Network 052 trial who started ART at CD4 counts of 350-550 cells per cubic millimeter and failed ART by May 2011; 8.2% had baseline resistance and 35.3% had resistance at ART failure. High baseline viral load and less education were associated with emergence of resistance at ART failure. Resistance at ART failure was observed in 7 of 8 (87.5%) participants who started ART at lower CD4 cell counts.

  20. Antibiotic consumption and resistance: results of the SPIN-UTI project of the GISIO-SItI.

    Science.gov (United States)

    Agodi, Antonella; Auxilia, Francesco; Barchitta, Martina; Brusaferro, Silvio; D'Errico, Marcello Mario; Montagna, Maria Teresa; Pasquarella, Cesira; Tardivo, Stefano; Mura, Ida

    2015-01-01

    To evaluate trends and association between antibiotic consumption and resistance during an eight-year period, from 2006 to 2013. Prospective multicenter study. Intensive Care Units (ICUs) participating in the four editions of the Italian nosocomial infections surveillance in the ICU Network (Sorveglianza Prospettica delle Infezioni Nosocomiali nelle Unità di Terapia Intensiva, SPIN-UTI project). The isolation density of selected species of microorganisms, antibiotic resistance rates (RRs), incidence density of resistant isolates and antimicrobial usage density were calculated. RRs of carbapenem-resistant Acinetobacter baumannii, of carbapenem-resistant Klebsiella pneumoniae, of third-generation cephalosporin (3GC)-resistant K. pneumoniae and of 3GC-resistant Escherichia coli showed significant increasing trends (p ≤0.001). The consumption of each antibiotic class varied with years, although not significantly. Significant strongly positive correlations were detected between RRs and antibiotic consumption. The present study describes high RRs and increasing trends of resistant microorganisms and highlights the need for continuous comprehensive strategies targeting not only the prudent use of antibiotics, but also infection control measures to limit the epidemic spread of resistant isolates.

  1. Results from the Survey of Antibiotic Resistance (SOAR) 2012–14 in Thailand, India, South Korea and Singapore

    Science.gov (United States)

    Torumkuney, D.; Chaiwarith, R.; Reechaipichitkul, W.; Malatham, K.; Chareonphaibul, V.; Rodrigues, C.; Chitins, D. S.; Dias, M.; Anandan, S.; Kanakapura, S.; Park, Y. J.; Lee, K.; Lee, H.; Kim, J. Y.; Lee, Y.; Lee, H. K.; Kim, J. H.; Tan, T. Y.; Heng, Y. X.; Mukherjee, P.; Morrissey, I.

    2016-01-01

    Objectives To provide susceptibility data for community-acquired respiratory tract isolates of Streptococcus pneumoniae, Streptococcus pyogenes, Haemophilus influenzae and Moraxella catarrhalis collected in 2012–14 from four Asian countries. Methods MICs were determined using Etest® for all antibiotics except erythromycin, which was evaluated by disc diffusion. Susceptibility was assessed using CLSI, EUCAST and pharmacokinetic/pharmacodynamic (PK/PD) breakpoints. For macrolide/clindamycin interpretation, breakpoints were adjusted for incubation in CO2 where available. Results Susceptibility of S. pneumoniae was generally lower in South Korea than in other countries. Penicillin susceptibility assessed using CLSI oral or EUCAST breakpoints ranged from 21.2% in South Korea to 63.8% in Singapore. In contrast, susceptibility using CLSI intravenous breakpoints was much higher, at 79% in South Korea and ∼95% or higher elsewhere. Macrolide susceptibility was ∼20% in South Korea and ∼50%–60% elsewhere. Among S. pyogenes isolates (India only), erythromycin susceptibility (∼20%) was lowest of the antibiotics tested. In H. influenzae antibiotic susceptibility was high except for ampicillin, where susceptibility ranged from 16.7% in South Korea to 91.1% in India. South Korea also had a high percentage (18.1%) of β-lactamase-negative ampicillin-resistant isolates. Amoxicillin/clavulanic acid susceptibility for each pathogen (PK/PD high dose) was between 93% and 100% in all countries except for H. influenzae in South Korea (62.5%). Conclusions Use of EUCAST versus CLSI breakpoints had profound differences for cefaclor, cefuroxime and ofloxacin, with EUCAST showing lower susceptibility. There was considerable variability in susceptibility among countries in the same region. Thus, continued surveillance is necessary to track future changes in antibiotic resistance. PMID:27048580

  2. Radiation resistance of elastomeric O-rings in mixed neutron and gamma fields: Testing methodology and experimental results

    Science.gov (United States)

    Zenoni, A.; Bignotti, F.; Donzella, A.; Donzella, G.; Ferrari, M.; Pandini, S.; Andrighetto, A.; Ballan, M.; Corradetti, S.; Manzolaro, M.; Monetti, A.; Rossignoli, M.; Scarpa, D.; Alloni, D.; Prata, M.; Salvini, A.; Zelaschi, F.

    2017-11-01

    Materials and components employed in the presence of intense neutron and gamma fields are expected to absorb high dose levels that may induce deep modifications of their physical and mechanical properties, possibly causing loss of their function. A protocol for irradiating elastomeric materials in reactor mixed neutron and gamma fields and for testing the evolution of their main mechanical and physical properties with absorbed dose has been developed. Four elastomeric compounds used for vacuum O-rings, one fluoroelastomer polymer (FPM) based and three ethylene propylene diene monomer rubber (EPDM) based, presently available on the market have been selected for the test. One EPDM is rated as radiation resistant in gamma fields, while the other elastomers are general purpose products. Particular care has been devoted to dosimetry calculations, since absorbed dose in neutron fields, unlike pure gamma fields, is strongly dependent on the material composition and, in particular, on the hydrogen content. The products have been tested up to about 2 MGy absorbed dose. The FPM based elastomer, in spite of its lower dose absorption in fast neutron fields, features the largest variations of properties, with a dramatic increase in stiffness and brittleness. Out of the three EPDM based compounds, one shows large and rapid changes in the main mechanical properties, whereas the other two feature more stable behaviors. The performance of the EPDM rated as radiation resistant in pure gamma fields does not appear significantly better than that of the standard product. The predictive capability of the accelerated irradiation tests performed as well as the applicable concepts of threshold of radiation damage is discussed in view of the use of the examined products in the selective production of exotic species facility, now under construction at the Legnaro National Laboratories of the Italian Istituto Nazionale di Fisica Nucleare. It results that a careful account of dose rate effects

  3. Resistance to ursodeoxycholic acid-induced growth arrest can also result in resistance to deoxycholic acid-induced apoptosis and increased tumorgenicity

    International Nuclear Information System (INIS)

    Powell, Ashley A; Akare, Sandeep; Qi, Wenqing; Herzer, Pascal; Jean-Louis, Samira; Feldman, Rebecca A; Martinez, Jesse D

    2006-01-01

    There is a large body of evidence which suggests that bile acids increase the risk of colon cancer and act as tumor promoters, however, the mechanism(s) of bile acids mediated tumorigenesis is not clear. Previously we showed that deoxycholic acid (DCA), a tumorogenic bile acid, and ursodeoxycholic acid (UDCA), a putative chemopreventive agent, exhibited distinct biological effects, yet appeared to act on some of the same signaling molecules. The present study was carried out to determine whether there is overlap in signaling pathways activated by tumorogenic bile acid DCA and chemopreventive bile acid UDCA. To determine whether there was an overlap in activation of signaling pathways by DCA and UDCA, we mutagenized HCT116 cells and then isolated cell lines resistant to UDCA induced growth arrest. These lines were then tested for their response to DCA induced apoptosis. We found that a majority of the cell lines resistant to UDCA-induced growth arrest were also resistant to DCA-induced apoptosis, implying an overlap in DCA and UDCA mediated signaling. Moreover, the cell lines which were the most resistant to DCA-induced apoptosis also exhibited a greater capacity for anchorage independent growth. We conclude that UDCA and DCA have overlapping signaling activities and that disregulation of these pathways can lead to a more advanced neoplastic phenotype

  4. Electric Energy Consumption of the Full Scale Research Biogas Plant “Unterer Lindenhof”: Results of Longterm and Full Detail Measurements

    Directory of Open Access Journals (Sweden)

    Thomas Jungbluth

    2012-12-01

    Full Text Available This work thoroughly evaluates the electric power consumption of a full scale, 3 × 923 m3 complete stirred tank reactor (CSTR research biogas plant with a production capacity of 186 kW of electric power. The plant was fed with a mixture of livestock manure and renewable energy crops and was operated under mesophilic conditions. This paper will provide an insight into precise electric energy consumption measurements of a full scale biogas plant over a period of two years. The results showed that a percentage of 8.5% (in 2010 and 8.7% (in 2011 of the produced electric energy was consumed by the combined heat and power unit (CHP, which was required to operate the biogas plant. The consumer unit agitators with 4.3% (in 2010 and 4.0% (in 2011 and CHP unit with 2.5% (in 2010 and 2011 accounted for the highest electrical power demand, in relation to the electric energy produced by the CHP unit. Calculations show that 51% (in 2010 and 46% (in 2011 of the total electric energy demand was due to the agitators. The results finally showed the need for permanent measurements to identify and quantify the electric energy saving potentials of full scale biogas plants.

  5. Loss of C-5 Sterol Desaturase Activity Results in Increased Resistance to Azole and Echinocandin Antifungals in a Clinical Isolate of Candida parapsilosis.

    Science.gov (United States)

    Rybak, Jeffrey M; Dickens, C Michael; Parker, Josie E; Caudle, Kelly E; Manigaba, Kayihura; Whaley, Sarah G; Nishimoto, Andrew T; Luna-Tapia, Arturo; Roy, Sujoy; Zhang, Qing; Barker, Katherine S; Palmer, Glen E; Sutter, Thomas R; Homayouni, Ramin; Wiederhold, Nathan P; Kelly, Steven L; Rogers, P David

    2017-09-01

    Among emerging non- albicans Candida species, Candida parapsilosis is of particular concern as a cause of nosocomial bloodstream infections in neonatal and intensive care unit patients. While fluconazole and echinocandins are considered effective treatments for such infections, recent reports of fluconazole and echinocandin resistance in C. parapsilosis indicate a growing problem. The present study describes a novel mechanism of antifungal resistance in this organism affecting susceptibility to azole and echinocandin antifungals in a clinical isolate obtained from a patient with prosthetic valve endocarditis. Transcriptome analysis indicated differential expression of several genes in the resistant isolate, including upregulation of ergosterol biosynthesis pathway genes ERG2 , ERG5 , ERG6 , ERG11 , ERG24 , ERG25 , and UPC2 Whole-genome sequencing revealed that the resistant isolate possessed an ERG3 mutation resulting in a G111R amino acid substitution. Sterol profiles indicated a reduction in sterol desaturase activity as a result of this mutation. Replacement of both mutant alleles in the resistant isolate with the susceptible isolate's allele restored wild-type susceptibility to all azoles and echinocandins tested. Disruption of ERG3 in the susceptible and resistant isolates resulted in a loss of sterol desaturase activity, high-level azole resistance, and an echinocandin-intermediate to -resistant phenotype. While disruption of ERG3 in C. albicans resulted in azole resistance, echinocandin MICs, while elevated, remained within the susceptible range. This work demonstrates that the G111R substitution in Erg3 is wholly responsible for the altered azole and echinocandin susceptibilities observed in this C. parapsilosis isolate and is the first report of an ERG3 mutation influencing susceptibility to the echinocandins. Copyright © 2017 American Society for Microbiology.

  6. Intake of Sweets, Snacks and Soft Drinks Predicts Weight Gain in Obese Pregnant Women: Detailed Analysis of the Results of a Randomised Controlled Trial.

    Directory of Open Access Journals (Sweden)

    Kristina M Renault

    Full Text Available Lifestyle interventions targeting obese pregnant women often result in modest reduction in gestational weight gain, pregnancy complications and related risk factors. Examining adherence to the intervention can, however, provide valuable information on the importance of the different factors targeted.To evaluate improvements and relevance of different dietary factors targeted with respect to gestational weight gain in a 3-arm Randomised Controlled Trial (n=342 among obese pregnant women with BMI≥30 kg/m2.Randomisation 1:1:1 to either hypocaloric Mediterranean type of diet and physical activity intervention (D+PA; physical activity intervention alone (PA; or control (C. Diet was assessed at baseline (weeks 11-14 and endpoint (weeks 36-37 using a validated food frequency questionnaire.During the intervention women in the D+PA group significantly lowered their intakes of added sugars and saturated fat and increased their protein intake by ~1% of total energy compared to controls. Of these dietary variables only intakes of added sugar appeared to be related to GWG, while no association was observed for saturated fat or protein. Further analyses revealed that foods that contributed to intake of added sugars, including sweets, snacks, cakes, and soft drinks were strongly associated with weight gain, with women consuming sweets ≥2/day having 5.4 kg (95% CI 2.1-8.7 greater weight gain than those with a low (<1wk intake. The results for soft drinks were more conflicting, as women with high weight gain tended to favour artificially sweetened soft drinks.In our sample of obese pregnant women, craving for sweets, snacks, and soft drinks strongly predicts GWG. Emphasis on reducing intakes of these foods may be more relevant for limiting gestational weight gain than encouraging strict compliance to more specific diets.ClinicalTrials.gov NCT01345149.

  7. Detailed features of hematological involvement and medication-induced cytopenia in systemic lupus erythematosus patients: single center results of 221 patients

    Science.gov (United States)

    Teke, Hava Üsküdar; Cansu, Döndü Üsküdar; Korkmaz, Cengiz

    2017-01-01

    Objective Systemic lupus erythematosus (SLE) may affect a number of systems, with the hematological system being one of the most common. Our aim is to determine the existence of cytopenia at diagnosis or during follow-up of our SLE patients as well as the associated factors. Material and Methods A cohort of SLE patients that had been followed-up in the Department of Rheumotology from 1998 to 2015 was retrospectively assessed. Clinical and laboratory findings about the patients were recorded. Results Out of 221 patients composing the cohort, cytopenia was already present in 83.3% (n=184) at the time of diagnosis. Anemia was detected in 56.1% (n=124), leukopenia in 28.9% (n=64), lymphopenia in 76% (n=168), neutropenia in 4.5% (n=10), and thrombocytopenia in 17.2% (n=38) of patients. The proportion of patients with cumulative cytopenia was 90% (n=199). Cumulative cytopenia was disease-related in 83.4% (n=166) and medication-related in 16.6% (n=33) of the patients. In cases of drug-induced cytopenia, azathioprine was the most frequently prescribed drug. In patients with cytopenia at the time of diagnosis, erythrocyte sedimentation rates (ESR) were higher, C3 and C4 hypocomplementemia was more prevalent, and they were positive for anti-ds-DNA at a greater proportion (p0.05). Conclusion The most common hematological disorders in SLE patients are lymphopenia and anemia, and patients must be further examined for APS and renal involvement if they suffer cytopenia. PMID:28638678

  8. Different Mutations Endowing Resistance to Acetyl-CoA Carboxylase Inhibitors Results in Changes in Ecological Fitness of Lolium rigidum Populations

    Directory of Open Access Journals (Sweden)

    Maor Matzrafi

    2017-06-01

    Full Text Available Various mutations altering the herbicide target site (TS, can lead to structural modifications that decrease binding efficiency and results in herbicide resistant weed. In most cases, such a mutation will be associated with ecological fitness penalty under herbicide free environmental conditions. Here we describe the effect of various mutations, endowing resistance to acetyl-CoA carboxylase (ACCase inhibitors, on the ecological fitness penalty of Lolium rigidum populations. The TS resistant populations, MH (substitution of isoleucine 1781 to leucine and NO (cysteine 2088 to arginine, were examined and compared to a sensitive population (AL. Grain weight (GW characterization of individual plants from both MH and NO populations, showed that resistant individuals had significantly lower GW compared with sensitive ones. Under high temperatures, both TS resistant populations exhibited lower germination rate as compared with the sensitive (AL population. Likewise, early vigor of plants from both TS resistant populations was significantly lower than the one measured in plants of the sensitive population. Under crop-weed intra-species competition, we found an opposite trend in the response of plants from different populations. Relatively to inter-population competition conditions, plants of MH population were less affected and presented higher reproduction abilities compared to plants from both AL and NO populations. On the basis of our results, a non-chemical approach can be taken to favor the sensitive individuals, eventually leading to a decline in resistant individuals in the population.

  9. Antimicrobial resistance among invasive Haemophilus influenzae strains: results of a Brazilian study carried out from 1996 through 2000

    Directory of Open Access Journals (Sweden)

    Casagrande S.T.

    2002-01-01

    Full Text Available A total of 1712 strains of Haemophilus influenzae isolated from patients with invasive diseases were obtained from ten Brazilian states from 1996 to 2000. ß-Lactamase production was assessed and the minimum inhibitory concentrations (MIC of ampicillin, chloramphenicol, ceftriaxone and rifampin were determined using a method for broth microdilution of Haemophilus test medium. The prevalence of strains producing ß-lactamase ranged from 6.6 to 57.7%, with an overall prevalence of 18.4%. High frequency of ß-lactamase-mediated ampicillin resistance was observed in Distrito Federal (25%, São Paulo (21.7% and Paraná (18.5%. Of the 1712 strains analyzed, none was ß-lactamase negative, ampicillin resistant. A total of 16.8% of the strains were resistant to chloramphenicol, and 13.8% of these also presented resistance to ampicillin, and only 3.0% were resistant to chloramphenicol alone. All strains were susceptible to ceftriaxone and rifampin and the MIC90 were 0.015 µg/ml and 0.25 µg/ml, respectively. Ceftriaxone is the drug of choice for empirical treatment of bacterial meningitis in pediatric patients who have not been screened for drug susceptibility. The emergence of drug resistance is a serious challenge for the management of invasive H. influenzae disease, which emphasizes the fundamental role of laboratory-based surveillance for antimicrobial resistance.

  10. Pten deficiency in melanocytes results in resistance to hair graying and susceptibility to carcinogen-induced melanomagenesis.

    Science.gov (United States)

    Inoue-Narita, Tae; Hamada, Koichi; Sasaki, Takehiko; Hatakeyama, Sachiko; Fujita, Sachiko; Kawahara, Kohichi; Sasaki, Masato; Kishimoto, Hiroyuki; Eguchi, Satoshi; Kojima, Itaru; Beermann, Friedrich; Kimura, Tetsunori; Osawa, Masatake; Itami, Satoshi; Mak, Tak Wah; Nakano, Toru; Manabe, Motomu; Suzuki, Akira

    2008-07-15

    Phosphate and tensin homologue deleted on chromosome 10 (PTEN) is a tumor suppressor gene inactivated in numerous sporadic cancers, including melanomas. To analyze Pten functions in melanocytes, we used the Cre-loxP system to delete Pten specifically in murine pigment-producing cells and generated DctCrePten(flox/flox) mice. Half of DctCrePten(flox/flox) mice died shortly after birth with enlargements of the cerebral cortex and hippocampus. Melanocytes were increased in the dermis of perinatal DctCrePten(flox/flox) mice. When the mutants were subjected to repeated depilations, melanocyte stem cells in the bulge of the hair follicle resisted exhaustion and the mice were protected against hair graying. Although spontaneous melanomas did not form in DctCrePten(flox/flox) mice, large nevi and melanomas developed after carcinogen exposure. DctCrePten(flox/flox) melanocytes were increased in size and exhibited heightened activation of Akt and extracellular signal-regulated kinases, increased expression of Bcl-2, and decreased expression of p27(Kip1). Our results show that Pten is important for the maintenance of melanocyte stem cells and the suppression of melanomagenesis.

  11. Quality of antimalarials at the epicenter of antimalarial drug resistance: results from an overt and mystery client survey in Cambodia.

    Science.gov (United States)

    Yeung, Shunmay; Lawford, Harriet L S; Tabernero, Patricia; Nguon, Chea; van Wyk, Albert; Malik, Naiela; DeSousa, Mikhael; Rada, Ouk; Boravann, Mam; Dwivedi, Prabha; Hostetler, Dana M; Swamidoss, Isabel; Green, Michael D; Fernandez, Facundo M; Kaur, Harparkash

    2015-06-01

    Widespread availability of monotherapies and falsified antimalarials is thought to have contributed to the historical development of multidrug-resistant malaria in Cambodia. This study aimed to document the quality of artemisinin-containing antimalarials (ACAs) and to compare two methods of collecting antimalarials from drug outlets: through open surveyors and mystery clients (MCs). Few oral artemisinin-based monotherapies and no suspected falsified medicines were found. All 291 samples contained the stated active pharmaceutical ingredient (API) of which 69% were considered good quality by chemical analysis. Overall, medicine quality did not differ by collection method, although open surveyors were less likely to obtain oral artemisinin-based monotherapies than MCs. The results are an encouraging indication of the positive impact of the country's efforts to tackle falsified antimalarials and artemisinin-based monotherapies. However, poor-quality medicines remain an ongoing challenge that demands sustained political will and investment of human and financial resources. © The American Society of Tropical Medicine and Hygiene.

  12. Deep electrical resistivity tomography and geothermal analysis of Bradano foredeep deposits in Venosa area (Southern Italy: preliminary results

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    V. Lapenna

    2008-06-01

    Full Text Available Geophysical surveys have been carried out to characterize the stratigraphical and structural setting and to better understand the deep water circulation system in the Venosa area (Southern Italy located in the frontal portion of the southern Appenninic Subduction. In this area there are some deep water wells from which a water conductivity of about 3 mS/cm and a temperature of about 35°C was measured. A deep geoelectrical tomography with dipole-dipole array has been carried out along a profile of 10000 m and an investigation depth of about 900 m. Furthermore a broad band magnetotelluric profile consisting of six stations was performed to infer the resistivity distribution up to some kilometres of depth. The MT profile was almost coincident with the geoelectrical outline. The applied methods allow us to obtain a mutual control and integrated interpretation of the data. The high resolution of the data was the key to reconstruct the structural asset of buried carbonatic horst whose top is located at about 600 m depth. The final results coming from data wells, geothermal analysis and geophysical data, highlighted a horst saturated with salted water and an anomalous local gradient of 60°C/km. The proposed mechanism is that of a mixing of fossil and fresh water circulation system.

  13. Comparing effects of tillage treatments performed with animal traction on soil physical properties and soil electrical resistivity: preliminary experimental results

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    García-Tomillo Aitor

    2017-02-01

    Full Text Available Soil Compaction results from compressive forces applied to compressible soil by machinery wheels, combined with tillage operations. Draft animal‐pulled equipment may also cause soil compaction, but a huge gap exists on experimental data to adequately assess their impacts and, actually, animal traction is an option seen with increasing potential to contribute to sustainable agriculture, especially in mountain areas. This study was conducted to assess the impacts on soil compaction of tillage operations with motor tractor and draft animals. In a farm plot (Vale de Frades, NE Portugal treatments were applied in sub‐plots (30 m × 3 m, consisting in a two way tillage with tractor (T, a pair of cows (C and a pair of donkeys (D. Undisturbed soil samples (120 were taken before and after operations for bulk density (BD and saturated hydraulic conductivity (Ks. The relative changes in BD observed after tillage in the 0-0.05 m soil depth increased after operations in all treatments. The increase was higher in the tractor sub-plot (15% than in those where animal traction was used (8%. Before operation Ks class was rapid and fast in all samples, and after operation this value was reduced to 33% in T, whereas it reached 83% in C. Electrical Resistivity Tomography (ERT was useful as a tool to identify the alterations caused by tillage operations on soil physical status. These preliminary results confirm the potential of animal traction as an option for mountain agri‐environments, yet it requires much wider research to soundly ground its assets.

  14. Correlation between genotypic and phenotypic testing for resistance to rifampin in Mycobacterium tuberculosis clinical isolates in Haiti: investigation of cases with discrepant susceptibility results.

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    Oksana Ocheretina

    Full Text Available The World Health Organization has recommended use of molecular-based tests MTBDRplus and GeneXpert MTB/RIF to diagnose multidrug-resistant tuberculosis in developing and high-burden countries. Both tests are based on detection of mutations in the Rifampin (RIF Resistance-Determining Region of DNA-dependent RNA Polymerase gene (rpoB. Such mutations are found in 95-98% of Mycobacterium tuberculosis strains determined to be RIF-resistant by the "gold standard" culture-based drug susceptibility testing (DST. We report the phenotypic and genotypic characterization of 153 consecutive clinical Mycobacterium tuberculosis strains diagnosed as RIF-resistant by molecular tests in our laboratory in Port-au-Prince, Haiti. 133 isolates (86.9% were resistant to both RIF and Isoniazid and 4 isolates (2.6% were RIF mono-resistant in MGIT SIRE liquid culture-based DST. However the remaining 16 isolates (10.5% tested RIF-sensitive by the assay. Five strains with discordant genotypic and phenotypic susceptibility results had RIF minimal inhibitory concentration (MIC close to the cut-off value of 1 µg/ml used in phenotypic susceptibility assays and were confirmed as resistant by DST on solid media. Nine strains had sub-critical RIF MICs ranging from 0.063 to 0.5 µg/ml. Finally two strains were pan-susceptible and harbored a silent rpoB mutation. Our data indicate that not only detection of the presence but also identification of the nature of rpoB mutation is needed to accurately diagnose resistance to RIF in Mycobacterium tuberculosis. Observed clinical significance of low-level resistance to RIF supports the re-evaluation of the present critical concentration of the drug used in culture-based DST assays.

  15. Progranulin causes adipose insulin resistance via increased autophagy resulting from activated oxidative stress and endoplasmic reticulum stress.

    Science.gov (United States)

    Guo, Qinyue; Xu, Lin; Li, Huixia; Sun, Hongzhi; Liu, Jiali; Wu, Shufang; Zhou, Bo

    2017-01-31

    Progranulin (PGRN) has recently emerged as an important regulator for insulin resistance. However, the direct effect of progranulin in adipose insulin resistance associated with the autophagy mechanism is not fully understood. In the present study, progranulin was administered to 3T3-L1 adipocytes and C57BL/6 J mice with/without specific inhibitors of oxidative stress and endoplasmic reticulum stress, and metabolic parameters, oxidative stress, endoplasmic reticulum stress and autophagy markers were assessed. Progranulin treatment increased iNOS expression, NO synthesis and ROS generation, and elevated protein expressions of CHOP, GRP78 and the phosphorylation of PERK, and caused a significant increase in Atg7 and LC3-II protein expression and a decreased p62 expression, and decreased insulin-stimulated tyrosine phosphorylation of IRS-1 and glucose uptake, demonstrating that progranulin activated oxidative stress and ER stress, elevated autophagy and induced insulin insensitivity in adipocytes and adipose tissue of mice. Interestingly, inhibition of iNOS and ER stress both reversed progranulin-induced stress response and increased autophagy, protecting against insulin resistance in adipocytes. Furthermore, the administration of the ER stress inhibitor 4-phenyl butyric acid reversed the negative effect of progranulin in vivo. Our findings showed the clinical potential of the novel adipokine progranulin in the regulation of insulin resistance, suggesting that progranulin might mediate adipose insulin resistance, at least in part, by inducing autophagy via activated oxidative stress and ER stress.

  16. Mechanisms of Antibiotic Resistance

    Science.gov (United States)

    Munita, Jose M.; Arias, Cesar A.

    2015-01-01

    Emergence of resistance among the most important bacterial pathogens is recognized as a major public health threat affecting humans worldwide. Multidrug-resistant organisms have emerged not only in the hospital environment but are now often identified in community settings, suggesting that reservoirs of antibiotic-resistant bacteria are present outside the hospital. The bacterial response to the antibiotic “attack” is the prime example of bacterial adaptation and the pinnacle of evolution. “Survival of the fittest” is a consequence of an immense genetic plasticity of bacterial pathogens that trigger specific responses that result in mutational adaptations, acquisition of genetic material or alteration of gene expression producing resistance to virtually all antibiotics currently available in clinical practice. Therefore, understanding the biochemical and genetic basis of resistance is of paramount importance to design strategies to curtail the emergence and spread of resistance and devise innovative therapeutic approaches against multidrug-resistant organisms. In this chapter, we will describe in detail the major mechanisms of antibiotic resistance encountered in clinical practice providing specific examples in relevant bacterial pathogens. PMID:27227291

  17. Duration of slip-resistant shoe usage and the rate of slipping in limited-service restaurants: results from a prospective and crossover study.

    Science.gov (United States)

    Verma, Santosh K; Zhao, Zhe; Courtney, Theodore K; Chang, Wen-Ruey; Lombardi, David A; Huang, Yueng-Hsiang; Brennan, Melanye J; Perry, Melissa J

    2014-01-01

    Several studies have indicated that slip-resistant shoes may have a positive effect on reducing the risk of slips and falls, a leading cause of injury at work. Few studies, however, have examined how duration of shoe usage affects their slip-resistance properties. This study examined the association between the duration of slip-resistant shoes usage and the self-reported rate of slipping in limited-service restaurant workers. A total of 475 workers from 36 limited-service restaurants in the USA were recruited to participate in a 12-week prospective study of workplace slipping. Of the 475 participants, 83 reported changing to a new pair of shoes at least once during the 12-week follow-up. The results show that slip-resistant shoes worn for less than six months were moderately more effective than those worn for more than six months. Changing to a new pair of shoes among those wearing slip-resistant shoes at baseline was associated with a 55% reduction in the rate of slipping (RR = 0.45, 95% CI = 0.23-0.89). Further research is needed to develop criteria for the replacement of slip-resistant shoes.

  18. The epidermal resistance to diffusion of water vapour : an improved measuring method and field results in Indian corn (Zea mays)

    NARCIS (Netherlands)

    Stigter, C.J.

    1974-01-01

    The resistance of the epidermis of the leaf to diffusion of water vapour can be measured most accurately in the field by closed diffusion porometers. It was possible to overcome the problems related to calibration and to dynamical use of a LiCl humidity sensor in the porometer. The dynamic behaviour

  19. Intensive-phase treatment outcomes among hospitalized multidrug-resistant tuberculosis patients: results from a nationwide cohort in Nigeria.

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    Olanrewaju Oladimeji

    Full Text Available BACKGROUND: Nigeria is faced with a high burden of Human Immunodeficiency Virus (HIV infection and multidrug-resistant tuberculosis (MDR-TB. Treatment outcomes among MDR-TB patients registered across the globe have been poor, partly due to high loss-to-follow-up. To address this challenge, MDR-TB patients in Nigeria are hospitalized during the intensive-phase(IP of treatment (first 6-8 months and are provided with a package of care including standardized MDR-TB treatment regimen, antiretroviral therapy (ART and cotrimoxazole prophylaxis (CPT for HIV-infected patients, nutritional and psychosocial support. In this study, we report the end-IP treatment outcomes among them. METHODS: In this retrospective cohort study, we reviewed the patient records of all bacteriologically-confirmed MDR-TB patients admitted for treatment between July 2010 and October 2012. RESULTS: Of 162 patients, 105(65% were male, median age was 34 years and 28(17% were HIV-infected; all 28 received ART and CPT. Overall, 138(85% were alive and culture negative at the end of IP, 24(15% died and there was no loss-to-follow-up. Mortality was related to low CD4-counts at baseline among HIV-positive patients. The median increase in body mass index among those documented to be underweight was 2.6 kg/m2 (p<0.01 and CD4-counts improved by a median of 52 cells/microL among the HIV-infected patients (p<0.01. CONCLUSIONS: End-IP treatment outcomes were exceptional compared to previously published data from international cohorts, thus confirming the usefulness of a hospitalized model of care. However, less than five percent of all estimated 3600 MDR-TB patients in Nigeria were initiated on treatment during the study period. Given the expected scale-up of MDR-TB care, the hospitalized model is challenging to sustain and the national TB programme is contemplating to move to ambulatory care. Hence, we recommend using both ambulatory and hospitalized approaches, with the latter being reserved

  20. Transmitted antiretroviral drug resistance in New York State, 2006-2008: results from a new surveillance system.

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    Adam C Readhead

    Full Text Available HIV transmitted drug resistance (TDR is a public health concern because it has the potential to compromise antiretroviral therapy (ART at the population level. In New York State, high prevalence of TDR in a local cohort and a multiclass resistant case cluster led to the development and implementation of a statewide resistance surveillance system.We conducted a cross-sectional analysis of the 13,109 cases of HIV infection that were newly diagnosed and reported in New York State between 2006 and 2008, including 4,155 with HIV genotypes drawn within 3 months of initial diagnosis and electronically reported to the new resistance surveillance system. We assessed compliance with DHHS recommendations for genotypic resistance testing and estimated TDR among new HIV diagnoses.Of 13,109 new HIV diagnoses, 9,785 (75% had laboratory evidence of utilization of HIV-related medical care, and 4,155 (43% had a genotype performed within 3 months of initial diagnosis. Of these, 11.2% (95% confidence interval [CI], 10.2%-12.1% had any evidence of TDR. The proportion with mutations associated with any antiretroviral agent in the NNRTI, NRTI or PI class was 6.3% (5.5%-7.0%, 4.3% (3.6%-4.9% and 2.9% (2.4%-3.4%, respectively. Multiclass resistance was observed in <1%. TDR did not increase significantly over time (p for trend = 0.204. Men who have sex with men were not more likely to have TDR than persons with heterosexual risk factor (OR 1.0 (0.77-1.30. TDR to EFV+TDF+FTC and LPV/r+TDF+FTC regimens was 7.1% (6.3%-7.9% and 1.4% (1.0%-1.8%, respectively.TDR appears to be evenly distributed and stable among new HIV diagnoses in New York State; multiclass TDR is rare. Less than half of new diagnoses initiating care received a genotype per DHHS guidelines.