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  1. Personality profiles and psychopathology among students exposed to dating violence at theObafemi AwolowoUniversity, Ile-Ife.

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    Boladale, Mapayi; Yetunde, Oladimeji; Adesanmi, Akinsulore; Olutayo, Aloba; Olanrewaju, Ibigbami

    2015-01-01

    Dating violence is a complex phenomenon, and researchers continue to examine a wide range of precursors and contributing factors. Evidence indicates that violent intimate partners may be more likely to have personality disorders and dependency and attachment problems compared with non-violent ones. The aim of the present study is to evaluate the interaction between the personality profiles, pattern of psychopathology, and dating violence among university students in Obafemi Awolowo University, Ile-Ife. The study utilized a cross-sectional survey design with a total of 400 students selected using a multistage sampling technique. They completed the Sociodemographic Data Schedule, the Conflict Tactic Scale (CTS), Eysenck Personality Questionnaire (EPQ), and the General Health Questionnaire (GHQ). Univariate analysis was used to determine the prevalence of dating violence, psychopathology, and personality traits, and these were expressed in percentages. Association at bivariate level was assessed using chi-square and at multivariate level using logistic regression and correlations as was appropriate depending on the type of variable. The age of the respondents ranged between 18 and 35 years (M = 21.44, SD = 2.99). The prevalence of dating violence in the previous 12 months was 34%, and the prevalence of psychopathology was 15%. In the logistic regression model constructed, it was found that the significant predictors of dating violence were the psychoticism and neuroticism personality traits, which were also found to be positive correlates of psychopathology. The magnitude of dating violence found in this study is comparable with those found in other countries of the world. This study found an association between dating violence and personality in the study population and also between certain personality traits and psychopathology. The personality profiles of students could affect their interpersonal relationships greatly, and this fact must feature in dating violence

  2. Two dimensional and Doppler echocardiographic evaluation of patients presenting at Obafemi Awolowo University Teaching Hospitals Complex Ile Ife Nigeria a prospective study of 2501 subjects

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    Adebayo RA

    2013-07-01

    Full Text Available Rasaaq Ayodele Adebayo,1 Patience Olayinka Akinwusi,2 Michael Olabode Balogun,1 Anthony Olubunmi Akintomide,1 Victor Oladeji Adeyeye,1 Olugbenga Olusola Abiodun,1 Luqman Adeleke Bisiriyu,3 Suraj Adefabi Ogunyemi,1 Ebenezer Adekunle Ajayi,4 Olufemi Eyitayo Ajayi,1 Adebayo Tolulope Oyedeji5 1Cardiology Unit, Department of Medicine, Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, Osun State, 2Cardiology Unit, Department of Medicine, Osun State University, Osogbo, Osun State, 3Department of Demography and Social Statistics, Obafemi Awolowo University, Ile-Ife, Osun State, 4Cardiology Unit, Department of Medicine, Ekiti State University Teaching Hospital, Ado-Ekiti, Ekiti State, 5Cardiology Unit, Department of Medicine, LAUTECH Teaching Hospital, Osogbo, Osun State, Nigeria Background: Echocardiography remains a key noninvasive cardiac investigative tool in the management of patients, especially in a developing economy like Nigeria. In this study, we investigated the indications for transthoracic echocardiography and spectrum of cardiac disease found in patients referred to our cardiac unit for echocardiography. Methods: A prospective two-dimensional, pulsed, continuous, and color-flow Doppler echocardiographic evaluation was done using the transthoracic approach in 2501 patients over an eight-year period. Univariate data analysis was performed for mean age, gender, clinical indications, and diagnoses. Results: The subject age range was less than 12 months to 97 years (mean 52.39 years. There were 1352 (54.06% males and 1149 (45.94% females. The most common indication for echocardiography was hypertension (52.1% followed by congestive cardiac failure (13.9%. Others were for screening (6.1%, arrhythmias (5%, cerebrovascular disease (5%, chest pain (3.3%, chronic kidney disease (3.2%, congenital heart disease (2.6%, cardiomyopathy (1.8%, rheumatic heart disease (1.7%, diabetes mellitus (1.3%, thyrocardiac disease (1.2%, ischemic heart

  3. Assessment of polybrominated diphenyl ethers in sediment of Asunle stream of the Obafemi Awolowo University, Ile-Ife, Nigeria.

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    Olutona, Godwin O; Oyekunle, John A O; Ogunfowokan, Aderemi O; Fatoki, Olalekan S

    2016-11-01

    Assessment of levels of polybrominated diphenyl ethers (PBDEs) from the sediment of Asunle stream, an adjourning stream of the Obafemi Awolowo University dumpsite, has been carried out. Sediment samples were collected from the stream at six locations for a period of 8 months, composed of 4 months each of wet (May-Aug) and dry (Nov-Feb) seasons. Soxhlet extraction was employed for the isolation of all the target compounds from the sediment samples. Extracts were further subjected to multi-layer column chromatography employing different forms of silica gel. The prepared samples were analyzed using GC-MS. The overall mean concentrations of the total PBDEs ranged from 1.80 to 9.46 ng/g. The results showed that the concentrations of the PBDEs were slightly higher during the wet season than those during the dry season. In all the studied locations, BDE28, BDE47, BDE99, BDE100, BDE153, and BDE154 were detected in all the sediment samples at concentrations that ranged from 0.73 to 10.43 ng/g. Results of this study indicated that BDE153 was the major pollutant of the Asunle stream sediments.

  4. Coping with sickle cell anemia in Nigerian universities: the case of Obafemi Awolowo University, Ile-Ife, Nigeria.

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    Okumdi, Muoghalu Caroline; Victor, Ajayi Oladele

    2013-01-01

    This study examined coping strategies of students living with sickle cell anemia. In-depth interviews were conducted on 10 students living with sickle cell anemia and eight were conducted on the health workers. To explain the sufferers view and experience, interpretative phenomenology approach was employed. Findings were that sufferers experience much pain and crisis. Their coping strategies include having plenty of rest and water, avoiding strenuous activities and taking their medications. They had a good knowledge of the disease but faced the challenges of combining caring for themselves and academic pursuit which create problems of adherence and finance for buying drugs and sponsoring their education at the same time. In conclusion, sufferers were coping well but there was still a need to address the problems of harsh university environment, finance and adherence.

  5. Meat and poultry consumption contribution to the natural radionuclide intake of the inhabitants of the Obafemi Awolowo University, Ile-Ife, Nigeria

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    Akinloye, M.K.; Olomo, J.B.; Olubunmi, P.A

    1999-02-11

    The mean activity concentrations of the naturally occurring radionuclides ({sup 226}Ra, {sup 228}Ra and {sup 40}K) in three types of meat (goat meat, beef and pork) from stock animals as well as free-range and intensive poultry raised within the OAU environment of the Obafemi Awolowo University (OAU), Ile-Ife, were measured by means of a well-calibrated high-purity germanium detector. The specific activities of {sup 226}Ra in the three types of meat ranged from 1.11 to 5.83 Bq kg{sup -1} with a mean of 3.10{+-}1.52 Bq kg{sup -1}. {sup 228}Ra was not detectable in both beef and pork but had a range of 1.53-1.63 Bq kg{sup -1} with a mean of 1.58{+-}0.30 Bq kg{sup -1} in goat meat while {sup 40}K recorded an average specific activity of 360.00{+-}54.20 Bq kg{sup -1} for the various samples of meat. The mean activity values of {sup 226}Ra, {sup 228}Ra and {sup 40}K for the poultry were 2.59{+-}0.48, 0.78{+-}0.13 and 265.01{+-}15.90 Bq kg{sup -1}, respectively. The results obtained for the daily radionuclide intake of the various meat types showed that those of {sup 226}Ra ranged from 0.4 to 8.1 mBq d{sup -1} with a mean of 4.9{+-}0.4 mBq d{sup -1}. Since {sup 228}Ra was not detectable in beef and pork its daily intake could not be estimated. However, a mean value of intake of 2.2{+-}0.4 mBq d{sup -1} was obtained for goat meat. The values of {sup 40}K intake ranged from 150.0 to 672.7 mBq d{sup -1} with an average of 455.5{+-}19.0 mBq d{sup -1}. The mean daily intakes of {sup 226}Ra, {sup 228}Ra and {sup 40}K for the two types of poultry were 6.15{+-}0.70, 1.9{+-}0.3 and 633.4{+-}38.0 mBq d{sup -1}, respectively.

  6. Foliar Epidermal Traits of Invasive and Non-Invasive Species of Dracaena Vand. ex L. (Dracaenaceae in Obafemi Awolowo University Campus, Ile-Ife, Nigeria

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    Abayomi Ezekiel FOLORUNSO

    2016-06-01

    Full Text Available A comparative foliar anatomical study of the invasive and non-invasive species of Dracaena in Obafemi Awolowo University Campus in Nigeria was carried out. A specific aim of the study was to determine the foliar and morphological traits in Dracaena mannii, which may be responsible for its invasive habit. The foliar anatomical traits were also used to describe the two studied Dracaena species. Fresh and matured leaves of D. mannii and D. arborea were collected and authenticated at the Herbarium of Obafemi Awolowo University (IFE. Quantitative and qualitative data were recorded for morphological traits, whereas scraping techniques were used to obtain the epidermal peels and photomicrographs of slides were taken for observing the anatomical traits. The presence of club-like glandular unicellular trichomes and papillose, high stomata index and frequency of epidermal cells per unit area strengthen the invasive habit of Dracaena mannii. The thin walls of the epidermal cells increase the intercellular flow of assimilates within D. mannii, which is also a notable invasive character.

  7. Schistosomiasis: Water Contact Pattern and Snail Infection Rates in Opa Reservoir and Research Farm Ponds in Obafemi Awolowo University, Ile-Ife, Nigeria

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    I.E. Ofoezie

    2006-01-01

    Full Text Available Human water contact pattern and Schistosoma infection rates in snails were studied in Opa Reservoir and Research Farm Ponds in Obafemi Awolowo University campus for a 12 month period covering both seasons of the annual cycle. This is with a view to know the water contact pattern and relate this to the potential for schistosomiasis transmission in the water bodies. Generally, water contact activities were more diverse and longer in the reservoir than in the ponds. Seasonal and daily variations were pronounced with water contact being most intense in the rainy season and in the early hours of the day till about noon. The water contact behavior in this area were quite age and sex related. The frequency and duration of contacts made by males were significantly higher than those of females (pSchistosoma showed that no infected snail was found in the ponds but infected snails were found in the reservoir in a site, S3, in November and December, 2002. Water contact pattern in this study was site specific with 76.1% of the total contacts made at the site where human Schistosoma type cercariae were also found. The implications are discussed.

  8. Sexual assault in Ile-Ife, Nigeria

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    Olusegun Olalekan Badejoko

    2014-01-01

    Full Text Available Background: Sexual assault (SA is a shattering malevolence against women. This study determined the burden, periodicity, presentation and management of SA in Ile-Ife, Nigeria. Materials and Methods: Retrospective analysis of the hospital records of 76 SA survivors managed over a 5-year period (2007-2011 in Obafemi Awolowo University Teaching Hospitals complex (OAUTHC, Ile-Ife. Results: Sexual assault accounted for 0.69% of all female and 5.2% of all gynaecological emergencies in OAUTHC, Ile-Ife. The survivors′ ages ranged from 4 to 50 years (mean = 17.7 ± 8.8years and adolescents made up for 48%. The peak prevalence of SA was in February and December and among adults and under-16-year-old survivors, respectively. Daytime and weekday SA were significantly more common among the under-16-year-old survivors (P = 0.008. Majority of the survivors (62% knew their assailant(s. Neighbours were the commonest perpetrators identified (28.2% and the assailants′ house was the commonest location (39.4%. Weapons were involved in 29.6% of cases and various injuries were identified in 28.2% of the survivors. Hospital presentation was within 24 hours in majority (76.1% of the survivors, but rape kit examinations were not performed as the kits were not available. Although appropriate medical management was routinely commenced, only 12.7% of survivors returned for follow-up. Conclusions: Seasonal and diurnal patterns exist in the prevalence of SA in Ile-Ife and most survivors that reported in the hospital presented early. Rape kit examinations were, however, not executed, due to non-availability. Personnel training, protocol development, provision of rape kits and free treatment of SA survivors are, therefore, recommended. Public enlightenment on preventive strategies based on the observed periodicity and age patterns is also suggested.

  9. Preparing the Staff of Obafemi Awolowo University Ile-Ife to ...

    African Journals Online (AJOL)

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    usage, job type; age and sex have affected the attitude of. O.A.U Staff towards ... there has been a tremendous impart on teaching, researches and on the .... experts are from Tests and Measurement, Educational. Technology ... I Don't Know How To. Use It .... When the different scores of the various categories of staff were ...

  10. Childhood intussusception in Ile-ife: What has changed?

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    Ademola Olusegun Talabi

    2013-01-01

    Full Text Available Background: Intussusception is one of the most common causes of intestinal obstruction in children. While the outcome has improved in the developed nations, the same cannot be said of the developing countries, more especially in the sub-Saharan region. This study aims to review our current experience in the management of childhood intussusception and factors affecting surgical outcome at the Obafemi Awolowo University Teaching Hospitals Complex Ile-Ife. Patients and Methods: This was a retrospective study of 78 patients treated for intussusception at paediatric surgical unit of Obafemi Awolowo University Teaching Hospitals Complex Ile-Ife between January 1993 and December 2011. The case notes of the patients were retrieved and the following information was recorded: Demographic characteristics, month of occurrence, clinical presentation, investigations, and management as well as the post-operative outcome. The patients were divided into two groups in terms of outcome. Results: There were 58 males and 20 females (M:F = 2.9-1. The age of most of the patients was between 3 months and 9 months with peak incidence at 6 months. Most patients 46 (58.9% were seen during the dry season of December to April. Only six patients (7.7% presented within 24 hours of onset of illness. More than half of the patients presented after 24 hours. Passage of red currant stool, vomiting, abdominal pain, fever, and abdominal distension, passage of watery stool, anal protrusion and palpable abdominal mass in various combinations were the clinical features. All the patients had surgical operations. The most common type of intussusception was ileo-colic type in 64 patients (82.1%. Intestinal resection rate was 41%. The overall mortality rate was 15.4%. Conclusion: There was a delay in presentation of children with intussusception with high post-operative mortality.

  11. Childhood intussusception in Ile-ife: what has changed?

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    Talabi, Ademola Olusegun; Sowande, Oludayo Adedapo; Etonyeaku, Chiduziem Amarachukwu; Adejuyigbe, Olusanya

    2013-01-01

    Intussusception is one of the most common causes of intestinal obstruction in children. While the outcome has improved in the developed nations, the same cannot be said of the developing countries, more especially in the sub-Saharan region. This study aims to review our current experience in the management of childhood intussusception and factors affecting surgical outcome at the Obafemi Awolowo University Teaching Hospitals Complex Ile-Ife. This was a retrospective study of 78 patients treated for intussusception at paediatric surgical unit of Obafemi Awolowo University Teaching Hospitals Complex Ile-Ife between January 1993 and December 2011. The case notes of the patients were retrieved and the following information was recorded: Demographic characteristics, month of occurrence, clinical presentation, investigations, and management as well as the post-operative outcome. The patients were divided into two groups in terms of outcome. There were 58 males and 20 females (M:F = 2.9-1). The age of most of the patients was between 3 months and 9 months with peak incidence at 6 months. Most patients 46 (58.9%) were seen during the dry season of December to April. Only six patients (7.7%) presented within 24 hours of onset of illness. More than half of the patients presented after 24 hours. Passage of red currant stool, vomiting, abdominal pain, fever, and abdominal distension, passage of watery stool, anal protrusion and palpable abdominal mass in various combinations were the clinical features. All the patients had surgical operations. The most common type of intussusception was ileo-colic type in 64 patients (82.1%). Intestinal resection rate was 41%. The overall mortality rate was 15.4%. There was a delay in presentation of children with intussusception with high post-operative mortality.

  12. Indication for eye removal in Ile-Ife, Nigeria.

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    Adeoye, A O; Onakpoya, O H

    2007-12-01

    The indication for surgical eye removal reflects the pattern of severe ocular diseases in a given community and gives insight into the causes of uniocular blindness. It is an unfortunate end to certain ocular morbidities. In instances where the fellow eye is already blind, it then becomes even more grievous. The aim of the study is to find out the reasons for surgical eye removal in Obafemi Awolowo University Teaching Hospitals Complex (OAUTHC) Ile-Ife. Nigeria. Retrospective analytic study of records of all patients who had their eyes removed in the Ophthalmic theatre of OAUTHC Ile-Ife from January 1994 - December 2003 were reviewed without prejudice to method of such removal. A total of 94 eyes were removed during this 10 year period, out of which 92 records were available for inclusion in this study. 30.4% of the patients were below 10 years of age. The male to female ratio was 2.1:1. All cases of eye removal were uniocular. Trauma was the leading cause of eye removal (43.4%) while orbito-ocular tumour was next (30.4%). Tumour was the leading cause of eye removal in the paediatric age group (87.2%) with Retinoblastoma being the commonest indication. Six out of the 92 (6.5%) patients studied unfortunately were already blind in the second eye; in this group of individuals the reason for eye removal was preventable in 83.3%. Most of the indications for eye removal were avoidable. Eye health education is needful for the general populace and particularly for individuals with an 'only' eye.

  13. Preliminary experience with laparoscopic surgery in Ile-Ife, Nigeria.

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    Adisa, A O; Arowolo, O A; Salako, A A; Lawal, O O

    2009-12-01

    This study presents a pioneer experience with laparoscopic operations in a General Surgical unit of the Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, Nigeria. Consecutive patients who had laparoscopic operations from April through December 2008 were prospectively studied. Following clinical diagnosis, initial diagnostic laparoscopy was undertaken in all patients, followed by therapeutic open or laparoscopic procedures. All procedures were done under general anaesthesia. Duration of operation and outcome including complications were recorded. In all, there were 12 patients (8 males, 4 females), aged 15 to 50 years. Eight patients had clinical diagnoses of acute appendicitis, one each had undetermined right lower abdominal pain suspected ectopic gestation, adhesive intestinal obstruction and metastatic liver disease. The first 4 patients with inflammed appendix confirmed at laparoscopy had open appendicectomy. Of the next cohort of 5 patients, laparoscopic appendicectomy was completed in four but converted to open procedure in one. Normal findings were noted in the lady with suspected ectopic gestation. Laparoscopic adhesiolysis was done for adhesive intestinal obstruction while a laparoscopic liver biopsy was done for the patient with metastatic liver disease. Operative time ranged from 55-105 minutes with marked reduction in operation time as confidence and experience grew. No intraoperative complication was observed but one patient had superficial port site infection postoperatively. We conclude that with good patient selection and some improvisation, laparoscopic general surgical operations are feasible with acceptable outcome even in a poor resource setting.

  14. Incidence of Bacterial Septicaemia in Ile-Ife Metropolis, Nigeria

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    Komolafe, A. O.

    2008-01-01

    Full Text Available A retrospective study of septicaemia was conducted in Ile-Ife metropolis with a view to determine its incidence and changes in the predominant aetiological agents. Six hundred and fifty (650 subjects, aged from one day to seventy years and above were examined. They all had clinical features suggestive of septicaemia and were on admission at the Obafemi Awolowo University hospital Complex, Ile-Ife, Nigeria. Their blood specimens were seeded into thioglycolate and glucose broths and incubated at 37 °C for 7 days. Subcultures were performed after 1, 2, 3, 4 and 7 days respectively. Growth (positivity in the broths was assessed using conventional diagnostic methods namely macroscopy (visualization, Gram filming (microscopy and culture. The bacterial isolates harvested were subjected to in-vitro antibiotic susceptibility tests using the disc diffusion method. Etiology was established in 204 out of 650 subjects indicating an incidence of 31.4%. This difference in prevalence among different age groups was statistically significant (P 0.01. Monomicrobial septicaemia had a higher prevalence (92.2% than polymicrobial septicaemia (7.8%. Staphylococcus aureus and Escherichia coli constituted 43.8%. Most of the offensive microbes were facultative anaerobes (91.7% while very few were strict aerobes (6.8% and strict anaerobes (1.5%. The isolated anaerobes were Peptostreptococcus sp. (0.5% and Bacteroides fragilis (1%. The in vitro susceptibility of the bacterial isolates to antibiotics indicated 76.4-95.6% sensitivity to vancomycin, zinnat, peflacin and fortum. However, they were 60 – 90% resistant to penicillin, ampicillin, tetracycline and septrin. This study confirmed the diverse nature of bacterial etiologies of septicaemia in the area; the need for the use of thioglycolate broths, first subcultures on or before 24 h instead of starting off for after 48 h of incubation, complementary application of macroscopy, Gram filming and culture including

  15. Total laparoscopic hysterectomy: A case report from ILE-IFE, Nigeria.

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    Badejoko, Olusegun O; Ajenifuja, Kayode O; Oluborode, Babawale O; Adeyemi, Adebanjo B

    2012-10-01

    Total laparoscopic hysterectomy (TLH) is an advanced gynecological laparoscopic procedure that is widely performed in the developed world. However, its feasibility in resource-poor settings is hampered by obvious lack of equipments and/or skilled personnel. Indeed, TLH has never been reported from any Nigerian hospital. We present a 50-year-old multipara scheduled for hysterectomy on account of pre-malignant disease of the cervix, who had TLH with bilateral salpingo-oophorectomy in the Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, southwestern Nigeria and was discharged home on the first post-operative day. She was seen in the gynecology clinic a week later in stable condition and she was highly pleased with the outcome of her surgery. This case is presented to highlight the attainability of operative gynecological laparoscopy, including advanced procedures like TLH in a resource-constrained setting, through the employment of adequate local adaptation and clever improvisation.

  16. Obstetric hysterectomy: trend and outcome in Ile-Ife, Nigeria.

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    Badejoko, O O; Awowole, I O; Ijarotimi, A O; Badejoko, B O; Loto, O M; Ogunniyi, S O

    2013-08-01

    Worldwide, the incidence of obstetric hysterectomy is expected to be on the decline due to improvements in obstetric care. This hospital-based 10-year review (2001-10) was performed to determine its incidence and outcome in Ile-Ife, Nigeria. The trend was determined by comparing the current incidence with that from two previous studies from the same centre. There were 58 obstetric hysterectomies and 15,194 deliveries during the review period, giving a rate of 3.8/1,000 deliveries. A rising trend was observed in the obstetric hysterectomy rate in Ile-Ife over two decades (1990-2010). Uterine rupture was the commonest indication (60%). Postoperative complications such as sepsis, vesico-vaginal fistula and renal failure affected 34.5% of the patients. Maternal and fetal case fatality rates were 18.2% and 43.6%, respectively. The obstetric hysterectomy rate in Ile-Ife is high and the trend is rising. Universal access to skilled birth attendance is advocated to reduce uterine rupture and consequently obstetric hysterectomy.

  17. University, Ile-Ife, Nigeria

    African Journals Online (AJOL)

    2003-03-03

    Mar 3, 2003 ... There was also significant positive relationship between current tobacco use and the .... as opposed to living with parents or guardians. (X2 =14.1, df=2, ..... and pattern of substance use among secondary school pupils in llorín ...

  18. Early experience with laparoscopic surgery in children in Ile-Ife, Nigeria

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    Ademola Olusegun Talabi

    2015-01-01

    Full Text Available Background: Laparoscopy is not yet routinely employed in many Paediatric Surgical Units in Nigeria despite the advantages it offers. This study describes the preliminary experience with laparoscopic procedures in a single centre. Patients and Methods: A retrospective analysis of all children who had laparoscopic surgery between January 2009 and December 2013 at the Paediatric Surgical Unit of Obafemi Awolowo University Teaching Hospitals Complex Ile-Ife was carried out. Their sociodemographic, preoperative and intraoperative data along with postoperative records were subjected to descriptive analysis. Results: Eleven (44% diagnostic and 14 (56% therapeutic procedures were performed on 25 children whose age ranged from 5 months to 15 years (Median: 84 months, Mean: 103 ± 64.1 months, including eight (32% females and 17 (68% males. Indications included acute appendicitis in 12 (48%, intra-abdominal masses in six (24%, three (12% disorders of sexual differentiation, two (8% ventriculoperitoneal shunt malfunctions and impalpable undescended testes in two (8% children. The procedures lasted 15-90 minutes (Mean = 54 (±21.6 minutes. Conversion rate was 17% for two patients who had ruptured retrocaecal appendices. No intra operative complications were recorded while three (12% patients had superficial port site infections post-operatively. All diagnostic (11 and two therapeutic procedures were done as day case surgery. The mean duration of hospital stay was 3.1 (±3.3 days for those who had appendectomies. Conclusion: Laparoscopic surgery in children is safe and feasible in our hospital. We advocate increased use of laparoscopy in paediatric surgical practice in Nigeria and similar developing settings.

  19. Assessing the use of the NANDA-International nursing diagnoses at the Obafemi Awolowo University Teaching Hospitals Complex, Ile Ife, Nigeria.

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    Olaogun, Adenike; Oginni, Monisola; Oyedeji, Tinuke Abimbola; Nnahiwe, Blessing; Olatubi, Idowu

    2011-01-01

    This study assessed the use of the NANDA-I nursing diagnoses in a Nigerian hospital. A multi-stage sampling method was used to select seven wards and 67 nursing process booklets from the Medical, Surgical, Orthopedic, and Mental Health Units of the hospital. A total of 154 nursing diagnoses were made: 50.7% were made within the first 48 hours of admission, while 35.8% were made on reassessments. The most frequently used nursing diagnoses were self-care deficit, pain, and anxiety. The NANDA-I nursing diagnoses are in use in Nigeria, adding support to the global use of the NANDA-I taxonomy, but findings also suggest a need for an assessment framework informed by nursing. Nurses in Nigeria would benefit from training programs organized by NANDA-I and national institutions to further refine their use of the nursing process. © 2011, The Authors. International Journal of Nursing Terminologies and Classifications © 2011, NANDA International.

  20. Comparative evaluation of perceptions of dental students to three methods of teaching in Ile-Ife, Nigeria.

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    Esan, T A; Oziegbe, E O

    2015-12-01

    The World Health Organization in 1994 recommended that dental education should be problem based, socially and culturally relevant, and community oriented. To explore the perceptions of Pre-phase II (pre-clinical II) dental students on three methods of teaching used during two academic sessions. All part IV dental students in two consecutive sessions undergoing pre phase II course in the Faculty of Dentistry, Obafemi Awolowo University, Ile-Ife were recruited into the study. Three different modes of teaching that is, Problem based learning (PBL), hybrid PBL and traditional teaching were used to teach the students. A twenty two itemed anonymous questionnaire on a five point Likert scale was administered to the students at the end of the course. Six perceived factors were extracted from the questionnaire using factor analysis. There was a statistically significant difference (p method compared to the other methods of teaching. The perceived factor "communication with peers" had the highest mean score for PBL in both sessions (4.57 ± 0.58 and 4.09 ± 0.93 respectively). However, PBL method was very helpful in all the six perceived factors while the students perceived that the traditional method of teaching was not helpful in "interaction with tutors" and "challenge to critical thinking". The findings showed that students preferred the PBL method to other forms of teaching. PBL enhanced the students' communication skill, was very useful as pedagogic tool and improved their critical thinking.

  1. Typhoid perforation: determinants of outcome in children in Ile-Ife ...

    African Journals Online (AJOL)

    Typhoid perforation: determinants of outcome in children in Ile-Ife, Nigeria. ... Aim: To highlight the factors that adversely influence treatment outcome ... of children aged 1 to 15 years with typhoid fever admitted to OAUTHC, Ile-Ife, over a ...

  2. Groundwater contamination in the basement-complex area of Ile-Ife, southwestern Nigeria: A case study using the electrical-resistivity geophysical method

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    Adepelumi, A. A.; Ako, B. D.; Ajayi, T. R.

    2001-11-01

    Hydrogeoenvironmental studies were carried out at the sewage-disposal site of Obafemi Awolowo University campus, Ile-Ife, Nigeria. The objective of the survey was to determine the reliability of the electrical-resistivity method in mapping pollution plumes in a bedrock environment. Fifty stations were occupied with the ABEM SAS 300C Terrameter using the Wenner array. The electrical-resistivity data were interpreted by a computer-iteration technique. Water samples were collected at a depth of 5.0 m in 20 test pits and analyzed for quality. The concentrations of Cr, Cd, Pb, Zn, and Cu are moderately above the World Health Organization recommended guidelines. Plumes of contaminated water issuing from the sewage ponds were delineated. The geoelectric sections reveal four subsurface layers, with increasing depth, lateritic clay, clayey sand/sand, and weathered/fractured bedrock, and fresh bedrock. The deepest layers, 3 and 4, constitute the main aquifer, which has a thickness of 3.1-67.1 m. The distribution of the elements in the sewage effluent confirms a hydrological communication between the disposal ponds and groundwater. The groundwater is contaminated, as shown by sampling and the geophysical results. Thus, the results demonstrate the reliability of the direct-current electrical-resistivity geophysical method in sensing and mapping pollution plumes in a crystalline bedrock environment. Résumé. Des études géo-environnementales ont été réalisées sur le site d'épandages du campus universitaire d'Obafemi Awolowo, à Ile-Ife (Nigeria). L'objectif de ce travail était de déterminer la fiabilité de la méthode des résistivités électriques pour cartographier les panaches de pollution dans un environnement de socle. Cinquante stations ont été soumises à mesures au moyen d'un ABEM SAS 300C Terrameter en utilisant le dispositif de Wenner. Les données de résistivité électrique ont été interprétées au moyen d'une technique de calcul itérative. Des

  3. Evaluation of the indications and arrhythmic patterns of 24 hour Holter electrocardiography among hypertensive and diabetic patients seen at OAUTHC, Ile-Ife Nigeria

    Directory of Open Access Journals (Sweden)

    Adebayo RA

    2014-11-01

    Full Text Available Rasaaq A Adebayo,1 Amanze N Ikwu,1 Michael O Balogun,1 Anthony O Akintomide,1 Tuoyo O Mene-Afejuku,1 Victor O Adeyeye,1 Olaniyi J Bamikole,1 Luqman A Bisiriyu,2 Olufemi E Ajayi,1 Suraj A Ogunyemi,1 Omolola A Oketona1 1Cardiology Unit, Department of Medicine, Obafemi Awolowo University Teaching Hospitals Complex, 2Department of Demography and Social Statistics, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria Background: There are very limited published studies in Nigeria on the use of 24 hour Holter electrocardiogram (Holter ECG in the arrhythmic evaluation of hypertensive and diabetic patients. Objective: To evaluate indications, arrhythmic pattern of Holter ECG, and heart rate variability (HRV among patients with hypertensive heart disease (HHD with or without heart failure and type 2 diabetes mellitus (T2DM seen in our cardiac care unit. Methods: Seventy-nine patients (32 males and 47 females were studied consecutively over a year using Schiller type (MT-101 Holter ECG machine. Results: Out of the 79 patients, 17 (21.5% had HHD without heart failure, 33 (41.8% had HHD with hypertensive heart failure (HHF, while 29 (36.7% were T2DM patients. The mean (standard deviation ages of HHD without heart failure, HHF and T2DM patients were 59.65 (±14.38, 65.15 (±14.30, and 54.66 (±8.88 respectively. The commonest indication for Holter ECG was palpitation (38%, followed by syncope (20.3%. Premature ventricular contraction was the commonest arrhythmic pattern among the 79 patients, especially among HHF patients. The HRV, using standard deviation of all normal-normal intervals was significantly reduced in T2DM patients (81.03±26.33, confidence interval [CI] =71.02–91.05 compared to the HHD without heart failure (119.65±29.86, CI =104.30–135.00 and HHF (107.03±62.50, CI =84.00–129.19. There was a negative correlation between the duration of T2DM and HRV (r=−0.613. Conclusion: Palpitation was the commonest Holter ECG indication and

  4. Parental Socio-Economic Status as Correlate of Child Labour in Ile-Ife, Nigeria

    Science.gov (United States)

    Elegbeleye, O. S.; Olasupo, M. O.

    2012-01-01

    This study investigated the relationship between parental socio-economic status and child labour practices in Ile-Ife, Nigeria. The study employed survey method to gather data from 200 parents which constituted the study population. Pearson Product Moment Correlation and t-test statistics were used for the data analyses. The outcome of the study…

  5. role of campylobacter jejuni/cou in diarrhoea in ile-ife, nigeria

    African Journals Online (AJOL)

    country in 1981 and the South-Western part in Ile-Ife in 1983. Objective: To ... compare current isolation rate with that of 1983 and to determine the ... All plates were incubated in candle extinction jars at 37°C for. 48 hours. ... Campylobacter species. Six (6%) of .... such as Central African Republic, Chile and Hong. Kong, С ...

  6. Parental Socio-Economic Status as Correlate of Child Labour in Ile-Ife, Nigeria

    Science.gov (United States)

    Elegbeleye, O. S.; Olasupo, M. O.

    2012-01-01

    This study investigated the relationship between parental socio-economic status and child labour practices in Ile-Ife, Nigeria. The study employed survey method to gather data from 200 parents which constituted the study population. Pearson Product Moment Correlation and t-test statistics were used for the data analyses. The outcome of the study…

  7. Diffusion and Focusing: Phonological Variation and Social Networks in Ile-Ife, Nigeria.

    Science.gov (United States)

    Salami, L. Oladipo

    1991-01-01

    Reports on the application of the concept of social network to the process of language usage among Yoruba-speaking city dwellers in Ile-Ife, Southwestern Nigeria. The study focuses on phonetic/phonological variation within common spoken Yoruba. (41 references) (GLR)

  8. Management of Primary Dysmenorrhea by School Adolescents in ILE-IFE, Nigeria

    Science.gov (United States)

    Ogunfowokan, Adesola A.; Babatunde, Oluwayemisi A.

    2010-01-01

    Dysmenorrhea is a problem that girls and women face and often manage themselves with or without support from health professionals. A cross-sectional, descriptive study was conducted among adolescents with dysmenorrhea (N = 150) in Ile-Ife, Nigeria. The aims of the study were to determine their knowledge of menstruation and primary dysmenorrhea,…

  9. Disposition of Students to Online Counselling: The Obafemi Awolowo University, Nigerian Experience

    Science.gov (United States)

    Adebowale, Olusegun

    2014-01-01

    An online guidance and counselling services was established at the Obafemi Awolowo University (OAU) in December, 2010. This study was designed to examine the undergraduates' disposition to the online counselling services after 24 months. It also investigated the prevalent disposition, dispositional types and distribution of students across the…

  10. The prevalence and intensity of gastrointestinal parasites of dogs in Ile-Ife, Nigeria.

    Science.gov (United States)

    Sowemimo, Oluyomi A

    2009-03-01

    A study of gastrointestinal parasites in 269 faecal samples from dogs (Canis familiaris) collected from Ile-Ife, Nigeria between January and December 2004, revealed seven helminth species: Toxocara canis 33.8%, Ancylostoma sp. 34.6%, Toxascaris leonina 3.3%, Trichuris vulpis 3.7%, Dipylidium caninum 4.1%, Uncinaria stenocephala 0.7% and Taenia sp. 1.1%. The faecal egg intensities, determined as mean eggs per gram of faeces ( +/- SEM) were: T. canis 393.8 +/- 83.4, Ancylostoma sp. 101.5 +/- 32.8, T. leonina 14.3 +/- 7.9, T. vulpis 3.4 +/- 1.5, D. caninum 2.2 +/- 0.8, U. stenocephala 0.2 +/- 0.2. The prevalence of intestinal parasites was significantly higher (P 0.05). The prevalence of helminth parasites was significantly higher (P 0.05) except in T. vulpis. The overall prevalence of intestinal parasites may continue to rise due to lack of functional veterinary clinics for dog care in Ile-Ife. Therefore, there is the need to establish a veterinary facility in Ile-Ife.

  11. Impact of intimate partner violence on anxiety and depression amongst women in Ile-Ife, Nigeria.

    Science.gov (United States)

    Mapayi, Boladale; Makanjuola, R O A; Mosaku, S K; Adewuya, O A; Afolabi, O; Aloba, O O; Akinsulore, A

    2013-02-01

    Research into intimate partner violence in the Nigerian environment has been limited. The objective of this study was to determine, amongst a sample of women attending the Enuwa Primary Health Care Center, Ile-Ife, the association between intimate partner violence and anxiety/depression. A descriptive cross-sectional study was conducted amongst 373 women who attended the antenatal clinic and welfare units of a primary health centre in Ile-Ife using the Composite Abuse Scale, the Hospital Anxiety and Depression Scale and a socio-demographic scale as instruments. Slightly over a third (36.7 %) reported intimate partner violence within the past year, 5.6 % had anxiety and 15.5 % were depressed. Anxiety and depression in the respondents were significantly associated with intimate partner violence. Women were ten times more likely to report being depressed and 17 times more likely to report anxiety if they were in violent relationships. This research has shown that the magnitude of intimate partner violence within the study population is comparable to those found in the developing countries. There are significant associations between intimate partner violence, anxiety and depression amongst the study population and this fact undoubtedly has implications for the mental health of the Nigerian woman.

  12. L’année prochaine à Ile-Ife !

    OpenAIRE

    2007-01-01

    Au Nigeria, les pièces de théâtre yoruba néo-traditionnel à caractère mythologique se déroulent à Ile-Ife, capitale spirituelle de la religion yoruba, figurée sur la scène par une enceinte peinte sur le fond du décor ou reconstituée en papier mâché. Le public du Yoruba traditional theatre à Lagos, Ibadan et dans les villes secondaires de la zone d’expression yoruba paraît expérimenter un moment esthétique à travers le filtre de cette ville idyllique et de la société parfaite qu’elle incarne. ...

  13. Anthropometric Indices Associated with Variation in Cardiovascular Parameters among Primary School Pupils in Ile-Ife

    Directory of Open Access Journals (Sweden)

    Adedeji G. Abiodun

    2011-01-01

    Full Text Available Purpose. This study investigated the anthropometric indices associated with variations in cardiovascular parameters among primary school pupils in Ile-Ife. Method. One thousand and twenty-six pupils (age range 6–14 years, mean age 10.12 years from ten schools were recruited with parents' informed consent. Anthropometric (Height (Ht, Weight (Wt, Abdominal Circumference (AC and cardiovascular (Systolic Blood Pressure (SBP, Diastolic Blood Pressure (DBP, Heart Rate (HR parameters were measured using standard instruments and procedures. Blood pressure (BP was measured after ten minutes of quiet sitting. Body Mass Index (BMI, Rate Pressure Product (RPP and Pulse Pressure (PP were estimated. Results. Age, Ht, Wt, BMI, and AC correlated significantly (<.01 with BP and PP. AC and BMI were predictors of BP, HR, RPP, and PP. Conclusion. Significant correlations exist between age, Ht, Wt, BMI, AC, and BP with weight being a more viable predictor of SBP and age a more viable predictor of DBP.

  14. Anthropometric Indices Associated with Variation in Cardiovascular Parameters among Primary School Pupils in Ile-Ife.

    Science.gov (United States)

    Abiodun, Adedeji G; Egwu, Michael O; Adedoyin, Rufus A

    2011-01-01

    Purpose. This study investigated the anthropometric indices associated with variations in cardiovascular parameters among primary school pupils in Ile-Ife. Method. One thousand and twenty-six pupils (age range 6-14 years, mean age 10.12 years) from ten schools were recruited with parents' informed consent. Anthropometric (Height (Ht), Weight (Wt), Abdominal Circumference (AC)) and cardiovascular (Systolic Blood Pressure (SBP), Diastolic Blood Pressure (DBP), Heart Rate (HR)) parameters were measured using standard instruments and procedures. Blood pressure (BP) was measured after ten minutes of quiet sitting. Body Mass Index (BMI), Rate Pressure Product (RPP) and Pulse Pressure (PP) were estimated. Results. Age, Ht, Wt, BMI, and AC correlated significantly (P < .01) with BP and PP. AC and BMI were predictors of BP, HR, RPP, and PP. Conclusion. Significant correlations exist between age, Ht, Wt, BMI, AC, and BP with weight being a more viable predictor of SBP and age a more viable predictor of DBP.

  15. Male involvement in family planning decision making in Ile-Ife, Osun State, Nigeria.

    Science.gov (United States)

    Ijadunola, Macellina Y; Abiona, Titilayo C; Ijadunola, Kayode T; Afolabi, Olusegun T; Esimai, Olapeju A; OlaOlorun, Funmilola M

    2010-12-01

    This study assessed men's awareness, attitude, and practice of modern contraceptive methods, determined the level of spousal communication, and investigated the correlates of men's opinion in family planning decision making in Ile-Ife, Nigeria. Quantitative methodology was employed in this cross-sectional descriptive design using a structured household questionnaire to collect information from 402 male study participants. A multistage sampling procedure was employed. Eighty-nine percent of men approved of the use of family planning while only about 11 percent disapproved of it. Eighty percent of men had ever used contraception while 56 percent of them were current users. Spousal communication about family planning and other family reproductive goals was quite poor. The socio-demographic correlates of men's opinions included religion, marriage type, educational attainment, and occupation (p < 0.05). The study concluded that male involvement in family planning decision making was poor and their patronage of family planning services was low.

  16. The Prevalence and Pattern of Superficial Fungal Infections among School Children in Ile-Ife, South-Western Nigeria

    Directory of Open Access Journals (Sweden)

    Olaide Olutoyin Oke

    2014-01-01

    Full Text Available Fungal infections of the skin and nails are common global problems with attendant morbidity among affected individuals. Children are mostly affected due to predisposing factors such as overcrowding and low socioeconomic factors. The aim of this study was to determine the prevalence and the clinical patterns of superficial fungal infections among primary school children in Ile-Ife. A multistage sampling was conducted to select eight hundred pupils from ten primary schools in Ile-Ife. Data on epidemiological characteristics and clinical history was collected using a semistructured questionnaire and skin scrapings were done. The prevalence of superficial fungal infections among the 800 respondents was 35.0%. Male pupils constituted 51.0% of respondents while the females were 49.0%. The mean age for all the respondents was 9.42 ± 2.00. Tinea capitis was the commonest infection with a prevalence of 26.9% and tinea unguium, tinea corporis, and tinea faciei had a prevalence of 0.8%, 0.6%, and 0.5%, respectively. Tinea manuum had the least prevalence of 0.1%. Pityriasis versicolor had a prevalence of 4.4%. Microsporum audouinii was the leading organism isolated. The study shows that the prevalence of superficial fungal infection (SFI among primary school children in Ile-Ife is high with tinea capitis as the commonest SFI.

  17. The Prevalence and Pattern of Superficial Fungal Infections among School Children in Ile-Ife, South-Western Nigeria.

    Science.gov (United States)

    Oke, Olaide Olutoyin; Onayemi, Olaniyi; Olasode, Olayinka Abimbola; Omisore, Akinlolu Gabriel; Oninla, Olumayowa Abimbola

    2014-01-01

    Fungal infections of the skin and nails are common global problems with attendant morbidity among affected individuals. Children are mostly affected due to predisposing factors such as overcrowding and low socioeconomic factors. The aim of this study was to determine the prevalence and the clinical patterns of superficial fungal infections among primary school children in Ile-Ife. A multistage sampling was conducted to select eight hundred pupils from ten primary schools in Ile-Ife. Data on epidemiological characteristics and clinical history was collected using a semistructured questionnaire and skin scrapings were done. The prevalence of superficial fungal infections among the 800 respondents was 35.0%. Male pupils constituted 51.0% of respondents while the females were 49.0%. The mean age for all the respondents was 9.42 ± 2.00. Tinea capitis was the commonest infection with a prevalence of 26.9% and tinea unguium, tinea corporis, and tinea faciei had a prevalence of 0.8%, 0.6%, and 0.5%, respectively. Tinea manuum had the least prevalence of 0.1%. Pityriasis versicolor had a prevalence of 4.4%. Microsporum audouinii was the leading organism isolated. The study shows that the prevalence of superficial fungal infection (SFI) among primary school children in Ile-Ife is high with tinea capitis as the commonest SFI.

  18. The Prevalence and Pattern of Superficial Fungal Infections among School Children in Ile-Ife, South-Western Nigeria

    Science.gov (United States)

    Oke, Olaide Olutoyin; Onayemi, Olaniyi; Olasode, Olayinka Abimbola; Omisore, Akinlolu Gabriel; Oninla, Olumayowa Abimbola

    2014-01-01

    Fungal infections of the skin and nails are common global problems with attendant morbidity among affected individuals. Children are mostly affected due to predisposing factors such as overcrowding and low socioeconomic factors. The aim of this study was to determine the prevalence and the clinical patterns of superficial fungal infections among primary school children in Ile-Ife. A multistage sampling was conducted to select eight hundred pupils from ten primary schools in Ile-Ife. Data on epidemiological characteristics and clinical history was collected using a semistructured questionnaire and skin scrapings were done. The prevalence of superficial fungal infections among the 800 respondents was 35.0%. Male pupils constituted 51.0% of respondents while the females were 49.0%. The mean age for all the respondents was 9.42 ± 2.00. Tinea capitis was the commonest infection with a prevalence of 26.9% and tinea unguium, tinea corporis, and tinea faciei had a prevalence of 0.8%, 0.6%, and 0.5%, respectively. Tinea manuum had the least prevalence of 0.1%. Pityriasis versicolor had a prevalence of 4.4%. Microsporum audouinii was the leading organism isolated. The study shows that the prevalence of superficial fungal infection (SFI) among primary school children in Ile-Ife is high with tinea capitis as the commonest SFI. PMID:25574161

  19. Correlates of Self-Report of Rape Among Male School Adolescents in Ile-Ife, Nigeria.

    Science.gov (United States)

    Ogunfowokan, Adesola A; Olagunju, Oluwayemisi E; Olajubu, Aanuoluwapo O; Faremi, Funmilola A; Oloyede, Ajoke S; Sharps, Phyllis W

    2016-02-01

    This study examined male adolescents' self-report of rape of adolescent girls and the socio-demographic variables that correlated with self-report of rape. Descriptive-correlational design was used and the study was conducted in five public senior secondary schools in Ile-Ife, Nigeria. Three hundred and thirty-eight male adolescents participated in the study. A structured questionnaire was used to collect data. Findings from the study revealed the mean age of the adolescent males to be 16 years, with the majority (73%) of them in the middle adolescent stage. Six percent of the adolescent males reported they had raped an adolescent girl in the past. Among the boys who reported rape, 55% reported they had raped their sexual partners, and 55% reported they had perpetrated gang rape. Smoking (p = .0001), alcohol consumption (p = .001), and birth order (p = .006) predicted self-report of rape. The coefficient of birth order showed that odds of self-report of rape by first-born male increases by 6 times compared with other children. Study findings also provided evidence that adolescent males are moving from lone rape to gang rape in intimate partner relationships. Male adolescents are important group to target in rape prevention programs. © The Author(s) 2014.

  20. Menstruation: knowledge, attitude and practices of students in Ile-Ife, Nigeria.

    Science.gov (United States)

    Irinoye, O O; Ogungbemi, A; Ojo, A O

    2003-01-01

    This study investigated students' knowledge of, beliefs, attitude to and practices during menstruation. Data was collected from a sample of 200 students from Ile-Ife using the multi-stage sampling technique. Only 5% of respondents could correctly define menstruation. Materials used to manage menstruation include sanitary pad, pieces of cloths, toilet rolls, cotton wool, tampon and shoulder pad foam. Practices vary on menstruating and non-menstruating days with 11(39.3%) of the 28 practices classified as healthy, 6(21.43%) as potentially harmful and 11(39.3%) as uncertain. Three (21.43%) of the listed 14 beliefs and taboos are potentially health-promoting, 5(35.71%) are potentially not health-promoting while 6(42.86%) are potentially harmless. Menstruation is associated with restrictions in diet and social interaction with 8%, 20.5% and 5% seeing menstruation as abnormal, dirty and a disease respectively. Findings from this study would be helpful in planning educational programmes to correct misinformation and promote healthy practices among women during menstruation.

  1. Chronic Airflow Obstruction in a Black African Population: Results of BOLD Study, Ile-Ife, Nigeria.

    Science.gov (United States)

    Obaseki, Daniel O; Erhabor, Gregory E; Gnatiuc, Louisa; Adewole, Olufemi O; Buist, Sonia A; Burney, Peter G

    2016-01-01

    Global estimates suggest that Chronic Obstructive Pulmonary Disease (COPD) is emerging as a leading cause of death in developing countries but there are few spirometry-based general population data on its prevalence and risk factors in sub-Saharan Africa. We used the Burden of Obstructive Lung Disease (BOLD) protocol to select a representative sample of adults aged 40 years and above in Ile-Ife, Nigeria. All the participants underwent spirometry and provided information on smoking history, biomass and occupational exposures as well as diagnosed respiratory diseases and symptoms. Chronic Airflow Obstruction (CAO) was defined as the ratio of post-bronchodilator (BD) one second Forced Expiratory Volume (FEV1) to Forced Vital Capacity (FVC) below the lower limit of normal (LLN) of the population distribution for FEV1/FVC. The overall prevalence of obstruction (post-BD FEV1/FVC Ife, Nigeria and unrelated to biomass exposure. The key independent predictors are poor education, and previous diagnosis of tuberculosis or asthma.

  2. Investigation of Ionospheric Response to Geomagnetic Storms over a Low Latitude Station, Ile-Ife, Nigeria

    Science.gov (United States)

    Jimoh, Oluwaseyi E.; Yesufu, Thomas K.; Ariyibi, Emmanuel A.

    2016-06-01

    Due to several complexities associated with the equatorial ionosphere, and the significant role which the total electron content (TEC) variability plays in GPS signal transmission, there is the need to monitor irregularities in TEC during storm events. The GPS SCINDA receiver data at Ile-Ife, Nigeria, was analysed with a view to characterizing the ionospheric response to geomagnetic storms on 9 March and 1 October 2012. Presently, positive storm effects, peaks in TEC which were associated with prompt penetration of electric fields and changes in neutral gas composition were observed for the storms. The maximum percentage deviation in TEC of about 120 and 45% were observed for 9 March and 1 October 2012, respectively. An obvious negative percentage TEC deviation subsequent to sudden storm commencement (SSC) was observed and besides a geomagnetic storm does not necessarily suggest a high scintillation intensity (S4) index. The present results show that magnetic storm events at low latitude regions may have an adverse effect on navigation and communication systems.

  3. Bromate and trace metal levels in bread loaves from outlets within Ile-Ife Metropolis, Southwestern Nigeria

    Directory of Open Access Journals (Sweden)

    J.A.O. Oyekunle

    2014-01-01

    Full Text Available Bread loaves randomly sampled from nine outlets and bakeries within Ile-Ife were analysed to determine their safety levels for human consumption with respect to bromate and trace metal contents. Bromate determination was carried out via spectrophotometric method while trace metals in the digested bread samples were profiled using Flame Atomic Absorption Spectrophotometer. Bromate levels in the analyzed bread samples ranged from 2.051 ± 0.011 μg/g to 66.224 ± 0.014 μg/g while the trace metal levels were of the order: 0.03–0.10 μg/g Co = 0.03–0.10 μg/g Pb < 0.23–0.46 μg/g Cu < 2.23–6.63 μg/g Zn < 25.83–75.53 μg/g Mn. This study revealed that many bread bakers around Ile-Ife had not fully complied with the bromate-free rule stipulated by NAFDAC contrary to the “bromate free” inscribed on the labels of the bread. The bread samples contained both essential and toxic trace metals to levels that could threaten the health of consumers over prolonged regular consumption.

  4. Thermal comfort characteristics of some selected building materials in the regional setting of Ile-Ife, Nigeria

    Directory of Open Access Journals (Sweden)

    S. K. Fasogbon

    2015-07-01

    Full Text Available In Ile-Ife, it is very common to see quite a lot of local people engaging in mud bricks moulding, concrete block making, mud house construction and the bricklaying profession in general. These have particular bearing on the economy and the political situation of the people involved as in the profession there is set of rules and regulations guiding the rate and procedure for carrying out any such moulding or construction work. Considering the importance of this, the present study investigated the thermal performance of some selected building materials in the ancient city of Ile-Ife in Nigeria. The work demonstrated how a building envelope responds to outdoor conditions through graphic illustrations. This was followed by constructing three physical building models, with model 1 constructed of mud bricks, model 2 constructed of concrete blocks and model 3 constructed of cast concrete. Each of the models was first roofed with galvanised Iron roofing sheets, later with aluminium roofing sheets and finally with asbestos roofing. Readings were taken by inserting TGP-4500 Data loggers into appropriate positions. The results showed that internal temperatures in the mud-brick and cast concrete buildings remained fairly stable despite external diurnal fluctuations. Humidity data collected also showed that fluctuations in external humidity levels do not affect humidity levels within the mud-brick and cast concrete structures significantly. On the other hand, the structure made of concrete blocks responded more to external fluctuations in temperature and humidity. Moreover, humidity levels in the cast concrete building were the least, followed by those in the mud-brick house; while the concrete block structure had the highest level of humidity. It was also discovered that aluminium roofing gave the highest internal temperature, followed by galvanised iron roofing and the least was seen with asbestos roofing. For external diurnal fluctuations, building model

  5. Food taboos in maternal and child health: the views of traditional healers in Ile-Ife, Nigeria.

    Science.gov (United States)

    Odebiyi, A I

    1989-01-01

    This paper reports the interviews with 82 randomly selected healers in Ile-Ife about food taboos in relation to maternal and child health. The healers were asked to list the childhood ailments they treat most often and the food proscriptions and prescriptions associated with these ailments. Of particular interest in the study was the fact that these food proscriptions and prescriptions form an integral part of traditional medical procedures in that relapses or slow rate of recovery are sometimes attributed to a break of these food norms. Moreover, these proscriptions and prescriptions reflect: (i) the healers' concept of the various childhood diseases and (ii) the healers' belief in the respect for the traditional Yoruba gods in health matters. It was further noted that although these taboos reinforce the beliefs in traditional medicine, their relevance from the point of view of the health of the clientele needs further investigation.

  6. Ectoparasites and endoparasites of peridomestic house-rats in ile-ife, Nigeria and implication on human health.

    Directory of Open Access Journals (Sweden)

    Titus Ogunniyi

    2014-03-01

    Full Text Available There has never been a single case report of any parasitic zoonosis in Ile-Ife while just a case of human Acanthocephalan infection in Nigeria is available.Fifty (house-rats Rattus rattus (Linnaeus, 1758 were caught in houses and raw food sellers' stalls in a market in Ile-Ife. A caught rat was removed from the cage and sacrificed by cervical jerking. A rat was weighed, measured, quickly following which thick and thin blood films on microscope slides were made from blood collected from the tail vein. The rat was examined for ectoparasites then dissected to check for endoparasites.Two ectoparasites (Xenopsylla cheopis and Laelaptid mite were recovered from 19 (38.0% of the rats. Five genera of helminthes (Moniliformis, Hymenolepis, Taenia, Trichuris and Trichinella were recovered from 29 (58.0% of the rats while seven genera of protozoa organisms (Amoeba, Dientamoeba, Entamoeba, Retortamonas, Trichomonas, Chilomastix and Trypanosoma were recovered from 48 (96.0% of them. There was no correlation (Spearman's correlation coefficient = -0.111 between the weight of the individual rat and the total number of alimentary canal acquired parasites.In relation to human health, implications of the rats serving as reservoir hosts for the different pathogens are highlighted. In view of the possibility of unexpected zoonosis arising from the parasites found in the peridomestic rats in this investigation and others not found, and in view of the difficulties that may be associated with diagnosing such ailment, especially by a clinician who trained locally, this report should be like raising awareness to these salient facts.

  7. Sickle cell knowledge, premarital screening and marital decisions among local government workers in Ile-Ife, Nigeria

    Science.gov (United States)

    Oyegbade, Olanrewaju; Bello, Ibrahim; Osakwe, Chiddude

    2009-01-01

    ABSTRACT Background In Nigeria, as in the rest of equatorial Africa, sickle cell disease (SCD) has its highest incidence and continues to cause high morbidity and early death. The condition is a major public health problem among the black race. The aim of this survey is to determine the level of knowledge about SCD and the factors associated with its prevention among local government workers in Ile-Ife. Method This is a cross-sectional descriptive study of the knowledge about SCD, attitude towards premarital sickle cell screening and marital decisions among local government workers in Ile-Ife, Nigeria, using a self-administered questionnaire. Results 69% of study subjects had poor knowledge of SCD, while attitude towards premarital screening was favourable in 95% of the study subjects. Knowledge and attitude were significantly better among subjects with tertiary education. There was a strong positive association between attitude towards sickle cell screening and a history of undergoing screening or partner screening. Most (86.7%) of the respondents and 74.0% of their partners have had sickle cell screening. One-quarter of married and engaged respondents did not know their partner's sickle cell status. One-third to two-thirds of study subjects will continue the relationship with their partner when either or both have haemoglobinopathy. Conclusion This study showed poor knowledge of SCD among the studied subjects. There is a need for more emphasis on health education through programmes promoting sickle cell education. In addition, the development of multifaceted patient and public health education programmes, the intensification of screening for the control of SCD by heterozygote detection, particularly during routine preplacement and premarital medical examinations, and the provision of genetic counselling to all SCD patients and carriers are vital to the identification and care of the couples at risk. These will enhance the capacity of the intending couples to make

  8. Sickle cell knowledge, premarital screening and marital decisions among local government workers in Ile-Ife, Nigeria

    Directory of Open Access Journals (Sweden)

    Emmanuel A. Abioye-Kuteyi

    2009-04-01

    Full Text Available Background: In Nigeria, as in the rest of equatorial Africa, sickle cell disease (SCD has its highest incidence and continues to cause high morbidity and early death. The condition is a major public health problem among the black race. The aim of this survey is to determine the level of knowledge about SCD and the factors associated with its prevention among local government workers in Ile- Ife.Method: This is a cross-sectional descriptive study of the knowledge about SCD, attitude towards premarital sickle cell screening and marital decisions among local government workers in Ile-Ife, Nigeria, using a self-administered questionnaire.Results: 69% of study subjects had poor knowledge of SCD, while attitude towards premarital screening was favourable in 95% of the study subjects. Knowledge and attitude were significantly better among subjects with tertiary education. There was a strong positive association between attitude towards sickle cell screening and a history of undergoing screening or partner screening. Most (86.7% of the respondents and 74.0% of their partners have had sickle cell screening. One-quarter of married and engaged respondents did not know their partner’s sickle cell status. One-third to two-thirds of study subjects will continue the relationship with their partner when either or both have haemoglobinopathy.Conclusion: This study showed poor knowledge of SCD among the studied subjects. There is a need for more emphasis on health education through programmes promoting sickle cell education. In addition, the development of multifaceted patient and public health education programmes, the intensification of screening for the control of SCD by heterozygote detection, particularly during routine preplacement and premarital medical examinations, and the provision of genetic counselling to all SCD patients and carriers are vital to the identification and care of the couples at risk. These will enhance the capacity of the intending

  9. Evaluation Of Geo-Spatial Proximity Of Mobile Communication GSM Base Transceiver Stations To Buildings In Ile-Ife Nigeria

    Directory of Open Access Journals (Sweden)

    Badru

    2015-08-01

    Full Text Available Efficient placement of radio facilities for the communication base transceiver station CBS of the two small global system for mobile communication GSM has being an area of research due to fast growing of GSM market in Nigeria. In line with this development Nigerian Communication Commission NCC and Nigeria Environmental Standard and Regulation Enforcement Agency NESREA have stated the setback between communication base station and the nearest infrastructure as 5 m and 10 m respectively. To evaluate the degree of the implementation of these setbacks in Ile-Ife the study area the research study identified the spatial locations of the CBS using a global communication for satellite GPS receiver and also employed the use of a high resolution satellite imagery which were processed using geo-spatial techniques. The results of this study revealed that 45.6 and 59.5 of the CBS had setback to building structures at 5 m and 10 m respectively with spatial variability between 30 m to 17074 m at elevation between 193 m to 377 m.

  10. Knowledge Attitude and Practices Toward Lassa Fever Control and Prevention Among Residents of Ile-Ife, Southwest Nigeria.

    Science.gov (United States)

    Olowookere, S A; Adegbenro, C A; Idowu, A; Omisore, A G; Shabi, O M; Ikem, U R; Ekwere, G A; Oderinde, I F

    2017-01-01

    Lassa fever had been reported as a cause of death especially in endemic parts of Nigeria. This study assessed the knowledge, attitude, and practices toward Lassa fever control and prevention among residents of Ile-Ife, southwest Nigeria. Descriptive cross-sectional study was conducted among consenting randomly selected adults using an interviewer administered questionnaire. Data were analyzed using descriptive and inferential statistics. A total of 400 questionnaires with completed data were analyzed (response rate 96%). Majority, 207 (51.8%), were males while 193 (48.2%) were females. Most, 234 (58.5%), had tertiary education while 148 (37%) had secondary education. Fifty-nine percent had heard of Lassa fever with radio as their major source of information. About 76% had inadequate knowledge, 54% had negative attitude while 51% had poor practice toward Lassa fever. Determinants of knowledge of Lassa fever include having higher education (Adjusted Odd Ratio (AOR) = 11.49, 95% CI [3.10, 42.69], p = .0001), being in civil service (AOR = 0.22, 95% CI [0.09, 0.51], p = .01), and earning higher income (AOR = 4.23, 95% CI [2.61, 6.84], p = .0001). In conclusion, the knowledge, attitude, as well as preventive practices to Lassa fever were poor. It is necessary to increase public education and improve hygienic practices.

  11. Studies of ionospheric variations during geomagnetic activities at the low-latitude station, Ile-Ife, Nigeria

    Science.gov (United States)

    Emmanuel, Ariyibi

    The dual frequency SCINDA NovAtel GSV 4004B GPS receiver installed at the Ile-Ife (low-latitude station) has been in operation since December 2009. Data records for the year 2010 were processed to obtain Total Electron Content (TEC) and S 4 index. These were interpreted to analyze the ionospheric condition during low geomagnetic activity period (when Dst is from -40 to 0 nT) and during geomagnetic storm events (with Dst about -100 nT). Seasonal variations of the TEC and S 4 index were also investigated. The occurrence of scintillations is closely linked to the peak value of TEC during the daytime; this is very evident during the equinox months when TEC ≥ 30 TECu. When the maximum TEC value is below 30 TECu, as shown by most of the days in the summer months, the scintillation phenomenon does not occur. During geomagnetic storms, the daytime segment of the TEC plot experiences fluctuations (even bifurcations) in values with the peak TEC value of about 40 TECu. From the interpreted data, the occurrence of geomagnetic storm does not necessarily suggest an increase in the level of scintillations at a low-latitude region. Also, there is a remarkable difference between the IRI 2007 model and the observed TEC values, as the daytime TEC peak differs in magnitude and time of occurrence from the observed TEC.

  12. Respiratory symptoms, lung function and particulate matter pollution in residential indoor environment in Ile-Ife, Nigeria

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    Lawrence I Ibhafidon

    2014-01-01

    Full Text Available Introduction: Particulate air pollution is associated with increased incidence of respiratory symptoms and decreased pulmonary, function but the relative impact of pollution from different domestic energy sources is not well-known or studied. Aim: The study was aimed at assessing the association between particulate concentrations, respiratory symptoms and lung function. Materials and Methods: It was a cross-sectional study comprised of randomly selected residents of three communities. These communities were selected according to the predominant type of fuel used for household cooking which were: firewood, kerosene and liquefied petroleum gas (LPG. Assessment of the indoor PM 10 levels was done by filtration using the Gent stacked filter unit sampler for collection of atmospheric aerosol in two size fractions (PM 2.5 and PM 10 . The Medical Research Council (MRC questionnaire was administered followed by spirometry test. Results: The mean PM 10 concentration in participants using LPG, kerosene and firewood was 80.8 ± 9.52 μg/m [3] , 236.9 ± 26.5 μg/m [3] and 269 ±93.7 μg/m [3] , respectively. The mean age and height-adjusted percent predicted forced expiratory volumes in 1 s (FEV1 for men were 127 ± 7, 109 ± 40 and 91 ± 20 and for women were 129 ± 13, 115 ± 14, 100 ± 14 in users of LPG, kerosene and firewood, respectively. A similar trend was found in the forced vital capacity (FVCs. Users of firewood had significantly lower FEV1 and FVC compared with LPG users (P < 0.05. The participants using firewood had the highest prevalence of pulmonary and non-pulmonary symptoms (57.1%, whereas subjects using LPG had the lowest (23.8%. Conclusion: There are high levels of particulate matter pollutions with respiratory effects in residential indoor environments in Ile-Ife, Nigeria

  13. The bacteriological quality of different brands of bottled water available to consumers in Ile-Ife, south-western Nigeria.

    Science.gov (United States)

    Igbeneghu, Oluwatoyin A; Lamikanra, Adebayo

    2014-11-28

    The upsurge in the demand for bottled water has prompted the interest of many manufacturers in the production of bottled water and very many water bottling companies are therefore involved in its production. These range from large scale multinational companies to medium scale business enterprises, institutional and government business investment companies as well as small scale entrepreneurs. There is however little information on the comparative quality of bottled water brands produced by different classes of water bottling companies in Nigeria. This study was undertaken to determine the bacteriological quality of brands of bottled water available to consumers in Ile-Ife. Forty-three samples of bottled water comprising of three batches each of thirteen bottled water brands and two batches of two brands were purchased and analyzed for total bacterial count, presence of coliform and the presence of other bacterial indicators of drinking water quality. Only 67.4% of the water samples representing the products of 10 companies or 66.7% of the brands had heterotrophic counts within the acceptable limits. Coliforms present in 100 ml of water were detected in 26.7% of the bottled water brands. Other indicator organisms detected included Staphylococci isolated from 27.9% of the samples (33.3% of the brands) and specifically Staphylococcus aureus found in four brands constituting 14% of the samples. Pseudomonas strains were consistently detected in consecutive batches of three brands of the water samples. Bottled water samples produced by the large scale multinational producers were of acceptable bacteriological quality unlike those produced by most small companies. There is need for a greater control of water bottling processes carried out by commercial bottled water producers in Nigeria.

  14. Awareneness and usage of web 2.0 tools among lecturers in ...

    African Journals Online (AJOL)

    ... in Nigerian universities: implications for teaching and learning in schools. ... Lagos; Obafemi Awolowo University, Ile Ife; Federal University of Technology, Akure; and ... However, a significant difference was found to exist between the level of ...

  15. Geomagnetic Storm Main Phase effect on the Equatorial Ionosphere as measured from GPS observations at Ile-Ife

    Science.gov (United States)

    Olabode, Ayomide; Ariyibi, Emmanuel

    2016-07-01

    The effect of the main phase of two intense geomagnetic storm events which occurred on August 5-6 and September 26-27, 2011 on the equatorial ionosphere have been investigated using Global Positioning System (GPS) data obtained from an Ile-Ife station (geomagnetic lat. 9.84°N, long. 77.25°E). The WinTEC-P and GPS-TEC analysis software programs were used to process the GPS data to obtain Total Electron Content (TEC) and Scintillation Index (S4). TEC profiles during the main phase of the two geomagnetically disturbed days were compared with quiet time average profiles to examine the response of the equatorial ionosphere. International Reference Ionosphere (IRI) 2012 TEC model was also obtained from Virtual Ionosphere, Thermosphere, Mesosphere Observatory (VITMO) and the extents of deviation from measured GPS-derived TEC were examined for the main phase of the storm events. The results showed that the intensity of both storm events during the main phase which occurred at night-time correlated well with a strong southward direction of the z-component of the Interplanetary Magnetic Field (IMF-Bz) and Solar Wind Speed (Vsw), with the Disturbance storm time (Dst) profile showing multiple step development. TEC depletion was observed during the main phase of the August 5-6, 2011 storm event with TEC recording a maximum value of 9.31 TECU. A maximum TEC value of 55.8 TECU was recorded during the main phase of the September 26-27, 2011 storm event depicting TEC enhancement. Significant scintillation index value of 0.57 was observed when the main phase started on August 5-6, 2011 followed by a prolonged suppression while there was less significant scintillation impact on September 26-27, 2011 with a maximum value of 0.33. The study concluded that the intensification of the ring current during the main phase of geomagnetic storm events was responsible for the intensity of the storm events causing large variations in TEC and significant scintillation phenomenon.

  16. Influence of family size, household food security status, and child care practices on the nutritional status of under-five children in Ile-Ife, Nigeria.

    Science.gov (United States)

    Ajao, K O; Ojofeitimi, E O; Adebayo, A A; Fatusi, A O; Afolabi, O T

    2010-12-01

    Fertility pattern and reproductive behaviours affect infant death in Nigeria. Household food insecurity and poor care practices also place children at risk of morbidity and mortality. The objectives of this study were to assess the influence of family size, household food security status, and child care practices on the nutritional status of under-five children in Ile-Ife, Nigeria. The study employed a descriptive cross-sectional design. A semi-structured questionnaire was used to collect data from 423 mothers of under-five children and their children in the households selected through multistage sampling methods. Food-insecure households were five times more likely than secure households to have wasted children (crude OR = 5.707, 95 percent CI = 1.31-24.85). Children with less educated mothers were significantly more likely to be stunted. The prevalence of food insecurity among households in Ile-Ife was high. Households with food insecurity and less educated mothers were more likely to have malnourished children.

  17. Awareness of link between smoking and periodontal disease in Nigeria: a comparative study

    OpenAIRE

    Nwhator, Solomon; Ayanbadejo,P O; AKHIOBARE,; Oginni,Adeleke; Lung,Z H; Arowojolu,Modupe Olayinka

    2010-01-01

    Solomon O Nwhator1, Patricia O Ayanbadejo2, Modupe O Arowojolu3, Osagie Akhionbare4, Adeleke O Oginni51Department of Preventive and Community Dentistry, Obafemi Awolowo University, Ile-Ife; 2Department of Preventive Dentistry, University of Lagos, 3Dental School University College Hospital Ibadan, 4Department of Periodontics, School of Dentistry, College of Medical Sciences, University of Benin, Benin City; 5Department of Restorative Dentistry, Obafemi Awolowo University, Ile-Ife, NigeriaObje...

  18. Ayoade et al

    African Journals Online (AJOL)

    3Department of Urban Regional Planning, Obafemi Awolowo University, Ile-Ife, Nigeria. .... Table 3: Plant Height, Basal Area and Canopy Cover of Tree Species as Occurred in the Disturbed Plot.(Plot B) ..... and environmental pollution by the.

  19. Download this PDF file

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    FIRST LADY

    however the other statue at Moremi hall, Obafemi Awolowo University Ile-Ife is also studied for ... sacrificed her only son, Oluorogbo as ebo eje, (votive sacrifice) for the .... Everything about her; height, skin colour, dressing, etc was moderate,.

  20. Development of Guidelines for the Conduct of HIV Research ...

    African Journals Online (AJOL)

    AJRH Managing Editor

    Guidelines for HIV Research Monitoring by Ethics Committees ... Public Health, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria; 3Centre for Values, Ethics and the Law in Medicine, .... workplace practices; and (vii) training related to.

  1. Original Article

    African Journals Online (AJOL)

    million children population (pmcp)/year while prevalence ... Pediatric Nephrology and Hypertension Unit, Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, Osun State, ..... children on World Kidney Day in Jalisco, Mexico.

  2. investigation of dissolution kinetics of a nigerian columbite in ...

    African Journals Online (AJOL)

    user

    1,2 DEPARTMENT OF CHEMICAL ENGINEERING, OBAFEMI AWOLOWO UNIVERSITY, ILE-IFE, OSUN ... Experimental results indicate that the dissolution rate is chemical reaction ..... [10] Yagi, S. and Kunii, D. “Fluidized-solids reactors with.

  3. Endourology in a Nigerian Tertiary Hospital – current level of ...

    African Journals Online (AJOL)

    Endourology in a Nigerian Tertiary Hospital – current level of practice and challenges. ... tertiary hospital and discuss the challenges faced during the study period. ... Awolowo University Teaching Hospitals Complex [OAUTHC], Ile-Ife, Nigeria.

  4. Effect of vertical oscillatory pressure on disability of patients with ...

    African Journals Online (AJOL)

    mechanical low back pain using Roland Morris Disability questionnaire. ADESOLA O. OJOAWO1* ... 1Department of Medical Rehabilitation, Obafemi Awolowo University, Ile Ife, Nigeria ... LBP are more prevalent among women than among ...

  5. Facial approximation: evaluation of dental and facial proportions ...

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    Administrator

    Department of Restorative Dentistry, Faculty of Dentistry, Obafemi Awolowo University, Ile-Ife. 2. ... assist the clinician to have the maxillary anterior teeth restored to optimal dento-labial ... Esthetics is of primary concern for patients seeking.

  6. Ojo Joshua (19)

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    DELL

    Permanent Address: Department of Physics and Engineering Physics, Obafemi Awolowo University, Ile-Ife 220001, ... Energy Agency as well as those obtained from questionnaires locally-administered by us, for comparison. For all but one ...

  7. RJHS V2(3).cdr

    African Journals Online (AJOL)

    Abe Olugbenga

    The hippocampal profile of the rats in group D were with marked neuronal ... 2Department of Anatomy and Cell Biology, Obafemi Awolowo University, Ile-Ife, ... same time in order to comprehend the ..... Reduces Total Neuron Number in the.

  8. Adekola et al (7)

    African Journals Online (AJOL)

    Timothy Ademakinwa

    3 Department of Chemistry, Obafemi Awolowo University, Ile Ife, Osun State, Nigeria. 4 Department of ...... elements, exine is thin, ectexine and endexine layer not very distinct. .... lacustrine sediments of the Arnot Pipe,. Namaqualand. Annals ...

  9. Occult Hepatitis B virus infection in previously screened, blood donors in Ile-Ife, Nigeria: implications for blood transfusion and stem cell transplantation.

    Science.gov (United States)

    Olotu, Amadin A; Oyelese, Adesola O; Salawu, Lateef; Audu, Rosemary A; Okwuraiwe, Azuka P; Aboderin, Aaron O

    2016-05-05

    Hepatitis B virus (HBV) transmission through blood transfusion is reduced by screening for hepatitis B surface antigen (HBsAg). However this method cannot detect the presence of occult hepatitis B virus infection. This study sought to determine the prevalence of occult hepatitis B virus infection among blood donors in Ile-Ife, Nigeria. For the first time in Nigeria we employed an automated real-time PCR- method to investigate the prevalence of occult HBV in blood donors. Blood donors screened with HBsAg immunochromatographic rapid test kits at the blood transfusion units of two hospitals and found to be negative were recruited into the study. Questionnaires to elicit risk factors for HBV infection were administered and then 10 ml of blood was collected from each donor. Plasma samples obtained from these HBsAg negative blood donors were screened again for HBsAg using an enzyme-linked immunosorbent assay (ELISA) method, and those found negative were screened for the presence of total antibody to the HBV core antigen (anti-HBc) using ELISA method. Those positive to anti-HBc were then tested for HBV DNA, using an automated real-time PCR method. Five hundred and seven blood donors found HBsAg negative by immunochromatographic rapid test kits at both blood transfusion units, were tested for HBsAg using ELISA and 5 (1 %) were HBsAg positive. The 502 found negative were tested for anti-HBc and 354 (70.5 %) were found positive implying previous exposure to HBV and 19 (5.4 %) of the 354 anti-HBc positive had HBV DNA signifying occult HBV infection. No risk factors were found to be associated with the presence of HBV DNA among those who tested positive. Occult HBV infection exists in blood donors in Ile-Ife, Nigeria and the use of HBsAg alone for screening prospective donors will not eliminate the risk of HBV transmission in blood transfusion or stem cell transplantation.

  10. Current status of soil-transmitted helminthiases among pre-school and school-aged children from Ile-Ife, Osun State, Nigeria.

    Science.gov (United States)

    Sowemimo, O A; Asaolu, S O

    2011-09-01

    A cross-sectional survey was conducted to determine the prevalence and intensity of soil-transmitted helminths among pre-school and school-aged children attending nursery and primary schools in Ile-Ife. Single stool samples were collected between January and March, 2009 from 352 children randomly selected from a total of 456 children attending both private and government schools. The stool samples were processed using the modified Kato-Katz technique, and then examined for the eggs of soil-transmitted helminths (STHs). One hundred and twenty-one (34.4%) samples were positive for STH eggs. The overall prevalences of Ascaris lumbricoides, Trichuris trichiura and hookworm were 33.2%, 3.7% and 0.9%, respectively. The prevalence of STH infection in government schools (47.8%) was significantly higher than in private schools (16.1%) (P Ife and that the burden of parasitic infections is greater in government schools than in private schools.

  11. Heavy metal accumulation in the above-ground vegetation and soil around an iron smelting factory in Ile-Ife, southwestern Nigeria

    Institute of Scientific and Technical Information of China (English)

    Emmanuel F. Isola; Olusanya A. Olatunji; Akinjide M. Afolabi; Ademayowa A. Omodara

    2015-01-01

    This study investigated the accumulation of heavy metals in the above-ground vegetation and soil around an iron smelting factory located at the Fashina Area, Ile-Ife, Osun State, southwestern Nigeria. This was with a view to establish baseline data which can be used for assessing the impact of the steel processing industry in the area. Samples of the two most common herbaceous species (Chromolaena odorataand Aspilia africana) around the factory were randomly collected at 10 m away from the wall of the factory, and soil samples were randomly collected at 0–15 cm depths in the same area. The plant species were oven-dried, put through a mixed acid digestion procedure, and, along with soil samples, were analyzed for N, P, K, C, Zn, Pb, Cd, Ni, and Cr using an atomic absorption spectrophotometer. The data obtained were subjected to appropriate descriptive and inferential statistical analyses. The results revealed that the soils were slightly acidic, with pH values of 6.23±0.24 in the dry season and 6.10±0.16 in the rainy season. There was a significant difference (P P > N in both Aspilia africana andChromolaena odorata. In the dry season, C percentage concentration was higher inAspilia africana, while the other elements followed the trend observed in the rainy season. The concentration of Zn was higher inAspilia af-ricana in both the polluted site and the control site in the rainy season, while the concentrations of the other heavy metals were higher inChromolaena odoratain the dry season. This study revealed that the heavy metal concentration varied with the plant species and also with the prevailing seasonal conditions. Also, the accumulation and concentration of heavy metals in both plant species and in the soil indicated a potential hazard of the factory to the local environment.

  12. Dental Care Utilization and Satisfaction of Residential University Students

    Directory of Open Access Journals (Sweden)

    Bamise CT

    2008-01-01

    Full Text Available Aim: The objective of this study was to provide information on the level of utilization and satisfaction of residential university students with the dental services provided by the dental clinic of a teaching hospital. Volunteers and Material: A stratified sampling technique was used to recruit volunteers from the outpatient clinic of the Obafemi Awolowo University Teaching Hospital Complex, Ile-Ife, Nigeria. Information was collected by a self-administered questionnaire composed of questions that measure the level of utilization and satisfaction with the dental services provided. Questionnaires were provided to 650 randomly chosen students residing in the University hostels. There were 39 refusals, and 6 incomplete questionnaires were discarded. This left a sample size of 605 volunteers. Results: Forty seven students (7.8% indicated that they visited the dental hospital within the last 12 months. Males and females utilized the dental services equally, and utilization increased with age and the number of years spent on campus. Anticipation of painful dental treatment, high dental charges, long waiting times and being too busy for a dental visit were cited as the most important impediments to seeking dental treatment. Females expressed greater satisfaction with the services. Conclusion: Dental service utilization among the students was found to be low. Oral health awareness campaigns, improving the quality of the services, and shortening the waiting time are expected to increase service utilization and satisfaction.

  13. Food choice and meal consumption pattern among undergraduate students in two universities in Southwestern Nigeria.

    Science.gov (United States)

    Otemuyiwa, Israel O; Adewusi, Steve R A

    2012-10-01

    The food choices and meal consumption patterns of undergraduate students from two Nigerian universities, Obafemi Awolowo University, Ile-Ife (OAU) and Adekunle Ajasin University, Akungba Akoko (AAU) (n = 402; 199 male and 203 female; overall mean age 23) were studied. The result indicated that 60% of the students (58% male and 62% female) consumed the recommended minimum number of servings of cereal, 50% of the males and 35% of the females in the carbohydrate category while 35% of the males and 42% of the females consumed enough from the meat group. More female students (40%) consumed adequate quantities of fruits and vegetables than their male counterparts (20%) while the consumption of milk and milk substitutes was low (10% male and 25% female). Most students ate twice a day substituting snacks for the third meal. More female students (48%) exceeded their energy requirement than their male counterparts (28%) while 60%, 85% and 40% did not meet the recommended dietary allowance (RDA) for protein, calcium and iron respectively. Body Mass Index (BMI) classification indicated that 29% of the students were overweight, 6% were obese while 13% of the male students were underweight. The unhealthy eating habits of Nigerian university students seemed to be a reflection of poor funding.

  14. Does Internship Experience Beget Academic Relevance and Employment Prospects: An Assessment of Graduate Interns from a Nigerian University

    Directory of Open Access Journals (Sweden)

    A. B. Adebakin

    2015-12-01

    Full Text Available Basically, the objective of internship programme is to expose students to the real world of work and in the process, provide feedback to institutions on the relevance or otherwise of the curriculum. This study therefore assessed the academic relevance of internship programme and employment prospect of graduate interns from Obafemi Awolowo University, Ile-Ife, Nigeria. Population of the descriptive study were graduate students in the Department of Educational Management of the university. A sample of 120 graduate students from 2012/2013, 2013/2014 and 2014/2015 academic sessions were randomly selected. The post internship semester results, a structured interview and a Likert scale type questionnaire were used in the study. The Cronbach alpha reliability test on the questionnaire showed 0.79 reliability index. Descriptive and inferential statistics were used at 5% level of significance. The study found that graduate students� participation in internship has impact on academic performance and also has a significance influence on employment prospect. It was recommended that internship should be geared towards enhancing the knowledge, skills, attitude and personality of graduate students to prepare them in more holistic approach for employment.

  15. A Sociolinguistic Study of Deviant Orthographic Representation of Graduating Students' Names in a Nigerian University

    Directory of Open Access Journals (Sweden)

    Oladunjoye J. Faleye

    2012-01-01

    Full Text Available It is habitual for graduating students of the Obafemi Awolowo University, Ile-Ife, Nigeria, to roll out the drums the very day they finish writing their final examination. Characteristic of such a ritualistic exercise, among other things, are the brand names the students coin for themselves from their original names. This study focuses on the creative rewriting of the names on such an occasion and examines the linguistic habits exhibited therein. It analyses the phonological/graphematic features that mark the rewritng of the names and discusses the sociolinguistic implications for the phenomena of social identity construction and language contact situation. Data for the study was sourced mainly through participant-observation technique with a supplemment of an oral interview conducted for some of the subjects between year 2007 and 2009. The data was selected through a purposive random sampling technique which yielded fifty names that were considered representative of the respelling conventions. The paper employs mainly Hempenstall's (2003 Phonological Sensitivity Skills to analyse the linguistic practices in the reconfigured names and then applies Tajfel's and Turner's (1979 Social Identity Theory to explain how it is that people develop a sense of membership and belonging in particular groups. The article reveals that the deviant orthographic conventions are a major fallout of youth culture with great influence from computer-mediated communication. It also shows that their linguistic experimentation foray in the discourse greatly undermines the orthographic system of the indigenous language (Yoruba and the cultural values embedded in the original names.

  16. Download this PDF file

    African Journals Online (AJOL)

    JONATHAN

    Filosofia Theoretica: Journal of African Philosophy, Culture and Religions. RELIGION ... Obafemi Awolowo University Ile-Ife. Abstract. There is a ... assumption of the autonomous individual, as the sole source of meaning and truth within a .... process of global governance and the consequent distortion of the civic order and.

  17. 2423-IJBCS-Article-Olatunji Sunday Yinka

    African Journals Online (AJOL)

    hp

    1Department of Anatomy and Cell Biology, Obafemi Awolowo University, Ile-Ife, Nigeria. ... capsule with diminished glomerular space, structural alteration of proximal and distal convoluted ... properties on lead-induced kidney injury. ... cosmetics, lead-glazed ceramics, imported ... an impressive range of medicinal uses with.

  18. Ayoola (5)

    African Journals Online (AJOL)

    big timmy

    Ayoola, M. A.. Department of Physics and Engineering Physics, Obafemi Awolowo University, Ile-Ife, Nigeria ... This was because of the unusual heavy rainfall in the month of October, 2006. ... Keywords: Heat Flux, Micrometeorology, Moisture Content, Soil Disturbance ..... Australia, 23 Conference on Agricultural and.

  19. DEVELOPMENT IN A BASEMENT TERRAIN — A CASE STUDY

    African Journals Online (AJOL)

    2004-05-17

    May 17, 2004 ... was carried out in the premises of the Conference Centre, Obafemi Awolowo University, Ile-ife. southwestern ... opment feasibility of a suspected spring in Ajegunle-Igoba, ..... Journal of A files-n Earth Sciences Vol .6, No. 6.

  20. Download this PDF file

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    Department of Chemistry, Obafemi Awolowo University, Ile-Ife, Nigeria. 2. Department of ... and the oil fractions from the hexane extract (TC1–TC5), were examined. Thirteen ... many tropical areas of thc world. ... give a total weight of l. 14 kg.

  1. A Study of Psychosocial Challenges of Public Secondary School ...

    African Journals Online (AJOL)

    Femi

    Obafemi Awolowo University, Ile-Ife. Osun. State. ... school children with a view to ensuring conducive learning environment that will promote academic performances. INTRODUCTION ... relatively good performance include boredom .... Substance abuse(alcohol, nicotine) .... consists of adolescence/ young adults that are at.

  2. Margaret o. Afolabi, Abisola e. Ayilara, oluwafunmi A. Akinyemi and ...

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    SurVeY of Drug uSe AMong Young PeoPle in ife, nigeriA. Margaret ... Obafemi Awolowo University, Ile-Ife, Nigeria, E-mail:bunmafol@yahoo.com; ... cially acceptable drugs like alcohol and ciga- ... cline in their academic performance, increase.

  3. African Journal of Neurological Sciences 2010 - Vol. 29, No 1 9 ...

    African Journals Online (AJOL)

    kim

    Health Sciences, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria ... Stroke is a major neurological problem and a leading cause of disability in the elderly ... A total of 64 patients (43 men and 21 women, mean age 58.80± 10.31 years) ...

  4. and balder (t50

    African Journals Online (AJOL)

    DELL

    1Department of Geology, Obafemi Awolowo University, Ile-Ife, Nigeria. ... (T40) to shelf deposit (T45) was attributed to the effect of uplift in the Shetland area in the Early Paleocene time. ... regionally scale (Knox et al., 1997; Ellis et al., 2002;.

  5. Composition and Distribution of Vascular Epiphytes in Different Areas in Obafemi Awolowo, Nigeria

    OpenAIRE

    Fatai Adekanye OLOYEDE; Anthony I. ODIWE; Ayodeji S. OLUJIYAN

    2014-01-01

    Composition and distribution of vascular epiphytes were studied in three different areas at Obafemi Awolowo University estate, Nigeria. Each plot, in the selected area, was used for identification of host and epiphytes. Trees were carefully examined. Presence, positions on the host plants and life-forms of all the epiphytes were recorded. Diameter at breast height of the hosts, bark characteristics and height were determined. The climatic data of the areas were measured to determine the relat...

  6. Indication of pollution in a teaching and research farm reservoir

    OpenAIRE

    Taiwo, Y.F.

    2001-01-01

    The production and productivity of a water body is largely dependent on its quality. One major source of water pollution is from the agrochemicals from nearby farmlands. The quality of water in the Obafemi Awolowo University Teaching and Research Farm Reservoir (Ile-Ife, Nigeria) was monitored between October, 1993 and March, 1994. Structured questionnaires were administered to obtain information on the types of agrochemicals in use on the farm. Water samples were collected fortnightly for an...

  7. Challenges of periodontal plastic surgery in a depressed economy: a report of two cases

    OpenAIRE

    Solomon O Nwhator

    2010-01-01

    Solomon O NwhatorDepartment of Preventive and Community Dentistry, Obafemi Awolowo University, Ile-Ife, NigeriaAbstract: Advancements in restorative dentistry have resulted in people keeping their teeth for longer, and an increase in gingival recession as the gums recede due to age, periodontal disease, thin gingiva, or other factors. The demand for periodontal plastic surgery appears to be increasing. Several methods have been used in the treatment of denuded roots. Of these, the free gingiv...

  8. Pattern of sudden death at Ladoke Akintola University of Technology Teaching Hospital, Osogbo, South West Nigeria

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    Akinwusi PO

    2013-06-01

    Full Text Available Patience Olayinka Akinwusi,1,2 Akinwumi Oluwole Komolafe,3 Olanrewaju Olayinka Olayemi,2 Adeleye Abiodun Adeomi41Department of Medicine, College of Health Sciences, Osun State University, 2Department of Medicine, LAUTECH Teaching Hospital, Osogbo, 3Department of Morbid Anatomy, Obafemi Awolowo University Teaching, Hospitals Complex, Ile-Ife, Osun State, 4Department of Community Medicine, LAUTECH Teaching Hospital, Ogbomoso, Oyo State, NigeriaBackground: The purpose of this study was to determine the etiology and epidemiologic characteristics of sudden death at Ladoke Akintola University of Technology (LAUTECH Teaching Hospital, South West Nigeria.Methods: This was a retrospective descriptive study of all cases of natural unexpected death, either occurring out of hospital or less than 24 hours after admission to LAUTECH Teaching Hospital, over a nine-year period from January 2003 to December 2011. Data were generated from information in the case notes and autopsy reports for these cases.Results: Sudden death accounted for 29 (4.0% of 718 adult medical deaths and 1.0% of all adult medical admissions. Out-of-hospital deaths occurred in 72.4% of cases. The mean age of the patients was 46.8 ± 11.5 (range 25–74 years. The male to female ratio was 6.25:1. Cardiovascular disease were the most common cause of death (51.7%, followed by respiratory disease (20.7%, pulmonary thromboembolism (10.4%, central nervous system disease (13.8%, gastrointestinal disorders (13.8%, severe chemical/drug poisoning (13.8%, and combined cardiovascular and central nervous system disease (13.8%. Hypertension-related causes were responsible for 14/29 (48.3% of the sudden deaths. Hypertensive heart disease accounted for 86.7% of the cardiovascular deaths, hypertensive heart failure accounted for 73.3%, whilst all heart failure cases accounted for 80.0%. Left ventricular hypertrophy was present in 69.2% of the patients with hypertensive heart disease. Moderate to severe

  9. Litterfall, precipitation and nutrient fluxes in a secondary lowland rain forest in Ile-Ife, Nigeria Queda de serrapilheira, precipitação e fluxo de nutrientes em uma floresta pluvial secundária de terras baixas em Il-Ife, Nigéria

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    Modupe B. Oziegbe

    2011-09-01

    Full Text Available Litterfall, precipitation and nutrient fluxes were investigated in a 0.25 ha plot of a secondary lowland rain forest in Ile-Ife, Nigeria, for a period of one year. The study determined the magnitude of nutrient fluxes through (litterfall, incident rainfall, throughfall and stemflow and evaluated the relative importance of these components as pathways of nutrient transport to the soil of this forest. There was a significant monthly variation in litterfall and the highest values of the standing crop of litter occurred from November to March. The concentration of elements in both throughfall and stemflow were higher than those of incidence rainfall. Greater quantities of calcium, magnesium, iron, zinc, copper and nitrogen were deposited annually from the forest floor while greater quantities of mercury, potassium, sodium, phosphorus, lead and sulphur were deposited via precipitation. There was net leaching of all elements from the canopy as precipitation pass through it with the exception of copper, hydrogen ions and lead, which were retained in the canopy. The finding of this study shows that litterfall is the major pathway for the cycling of calcium, magnesium, nitrogen and all micronutrients investigated. Net precipitation is the major pathway for the cycling of potassium, phosphorus, sulphur and trace toxic metals (mercury and lead in the forest.Produção de serapilheira, precipitação e o fluxo de nutrientes foram investigados em uma parcela de 0,25 ha de uma floresta pluvial secundária de terras baixas em Ile-Ife, Nigéria, por um período de um ano. O estudo determinou a magnitude dos fluxos de nutrientes através da serrapilheira, da chuva incidente, da interceptada, da escoada pelo tronco, e também avaliou a importância relativa desses componentes como vias de transporte de nutrientes para o solo desta floresta. Houve variação mensal significativa na produção e acúmulo de serapilheira com maiores valores ocorrendo de novembro a

  10. Intimate partner violence in Ile-Ife, Nigeria: Women's experiences ...

    African Journals Online (AJOL)

    Data on IPV experiences and associated factors were collected from 224 ... were used to determine association between socio-demographic factors and IPV ... wife's perceived disrespect to spouse; and, late preparation of food by wife.

  11. Childhood intussusception in Ile-ife: What has changed? | Talabi ...

    African Journals Online (AJOL)

    This study aims to review our current experience in the management of childhood intussusception and ... More than half of the patients presented after 24 hours. Passage of red currant stool, vomiting, abdominal pain, fever, and abdominal ...

  12. Sudden cardiac death in Nigerians - The Ile - Ife experience

    African Journals Online (AJOL)

    Keywords: Sudden cardiac death, Hypertensive heart disease, .... ge lllijsgrinswe ar mmyopalhles C CHD VI IE mitral valve leaflets were fused and de-. Diseases formed with ... 51 ' 60 13 5 " 1 1 ' 1 “ with fibrosis of the endocardium. The cause.

  13. EFFECT OF URBANIZATION ON URBAN AGRICULTURE IN ILE-IFE

    African Journals Online (AJOL)

    user

    , concentration, clustering, centrality, nuclearity, mixed uses and proximity. ... Tewolde and Cabral (2011) carried out the urban sprawl analysis and modeling of ..... Shalaby, A & Tateishi, R 2007, Remote sensing and GIS for mapping and ...

  14. The Awolowo – Akintola Leadership Tussle: A Reinterpretation

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    Emmanuel Oladipo Ojo

    2016-01-01

    Full Text Available The underlying causes and consequences of the Awolowo–Akintola leadership tussle which began in the defunct Western Region and spilled to other parts of Nigeria have attracted quite a great deal of deliberate and inadvertent misinterpretations and falsehoods. While the principal actors and their disciples struggled to swing the pendulum of justification and ‘truth’ to their respective sides; most of the inferences, references, rebuttals and conclusions of scholars on the underlying causes of the rift are not consistent with facts. Ostensibly, the rift was the outcome of Chief Obafemi Awolowo’s reluctance to hand over to Ladoke Akintola as Premier of Western Nigeria following the former’s resolve to contest the 1959 federal elections into the Central Legislature; Akintola’s desire to be the de jure Premier of Western Nigeria; his pointed opposition to the Action Group’s adoption of a socialist ideology on the eve of independence, the so called ‘Coca-Cola War’ between the wives of the duo as well as Akintola’s interface with the Northern People’s Congress, NPC. The last was Akintola’s supposed gravest offence. While scholars have almost over-flogged the other causes of the Akintola–Awolowo leadership tussle, there is paucity of literature, or at best parried accounts, on the epicentre of the crisis – Akintola’s political interface with Northern Nigeria political leaders. This paper intends to fill this gap by attempting a reinterpretation of some of the factors that may have influenced the political rapport between Akintola and NPC leaders.

  15. Studies of Total Electron Content variations at low-latitude stations within the Equatorial Ionization Anomaly zone

    Science.gov (United States)

    Lilian, Olatunbosun

    2016-07-01

    The total electron content (TEC) is an important parameter to monitor for possible space weather impacts. The radio waves that pass through the earth's ionosphere travel more slowly than their free space velocity due to group path delay of the ionosphere. This group path delay is directly proportional to the TEC of the ionosphere. Using dual frequency GPS receiver at low latitude stations of Ile-Ife (7.52oN, 4.28oE), Addis Ababa (9.04oN, 38.77oE) and Bangalore (13.03oE, 77.57oE), all located within 0 - 15oN of the equatorial anomaly region, the measurement of ionospheric TEC for 2012 has been carried out. The data from the three stations were used to study the diurnal, monthly and seasonal variations of TEC. The diurnal variations maximize between 10:00 - 16:00UT, 08:00 - 14:00UT and 06:00 - 12:00UT for Ile-Ife, Addis Ababa and Bangalore stations respectively. The diurnal variations showed wave-like pertubation during disturbed and quiet periods at Bangalore and Addis Ababa stations. The monthly average TEC variations showed that the month of March recorded the highest TEC value of ~59TECu at about 16:00UT in Ile-Ife station, while TEC at Addis Ababa and Bangalore maximize in October with ~72TECu and 65TECu at about 11:00UT and 09:00UT respectively. Seasonal variations showed that TEC maximizes during the equinoctial months and least in summer, over the three stations. Keywords: Total Electron Content, Equatorial Ionization Anomaly, Global Positioning System co-author:E.A. Ariyibi(Department of Physics and Engineering Physics, Obafemi Awolowo University, Ile-Ife, Nigeria)

  16. Clinicopathological analysis of histological variants of ameloblastoma in a suburban Nigerian population

    Science.gov (United States)

    Adebiyi, Kehinde E; Ugboko, Vincent I; Omoniyi-Esan, Ganiat O; Ndukwe, Kizito C; Oginni, Fadekemi O

    2006-01-01

    Background This study was carried out to establish the relative incidence and provide clinico-pathologic information on the various histological types of ameloblastoma seen at the Obafemi Awolowo University Teaching Hospital complex, Ile-Ife in order to provide a baseline data which will be of significance to the pathologist and clinician. Methods Clinico-pathologic data on a total of 77 histologically diagnosed cases of ameloblastoma archieved at the Obafemi Awolowo University Teaching Hospital Complex, Ile-Ife over a 15 year period were obtained and analysed descriptively. Results Follicular ameloblastoma was the most common histological type (50 cases, 64.9%), followed by plexiform ameloblastoma (10 cases, 13.0%). 4 (5.2%) cases of desmoplastic and 3 (3.9%) cases of acanthomatous ameloblastoma were seen while the basal cell variant accounted for 2 (2.6%) cases. Only 1 case of the unicystic type was seen. Some of the 77 cases presented as a mixture of two or more histological types. Ameloblastoma occurred over an age range of 11 to 70 years with a peak age incidence in the 3rd decade. Conclusion This study provides a baseline data on variants of ameloblastoma as obtained in a suburban Nigerian population. Since variants of ameloblastoma differ in biologic behaviour, the data collected in this study provides clinicopathologic information which is of significance to the pathologist and clinician. PMID:17125498

  17. Clinicopathological analysis of histological variants of ameloblastoma in a suburban Nigerian population

    Directory of Open Access Journals (Sweden)

    Ndukwe Kizito C

    2006-11-01

    Full Text Available Abstract Background This study was carried out to establish the relative incidence and provide clinico-pathologic information on the various histological types of ameloblastoma seen at the Obafemi Awolowo University Teaching Hospital complex, Ile-Ife in order to provide a baseline data which will be of significance to the pathologist and clinician. Methods Clinico-pathologic data on a total of 77 histologically diagnosed cases of ameloblastoma archieved at the Obafemi Awolowo University Teaching Hospital Complex, Ile-Ife over a 15 year period were obtained and analysed descriptively. Results Follicular ameloblastoma was the most common histological type (50 cases, 64.9%, followed by plexiform ameloblastoma (10 cases, 13.0%. 4 (5.2% cases of desmoplastic and 3 (3.9% cases of acanthomatous ameloblastoma were seen while the basal cell variant accounted for 2 (2.6% cases. Only 1 case of the unicystic type was seen. Some of the 77 cases presented as a mixture of two or more histological types. Ameloblastoma occurred over an age range of 11 to 70 years with a peak age incidence in the 3rd decade. Conclusion This study provides a baseline data on variants of ameloblastoma as obtained in a suburban Nigerian population. Since variants of ameloblastoma differ in biologic behaviour, the data collected in this study provides clinicopathologic information which is of significance to the pathologist and clinician.

  18. Studies on the Estimation of Stature from Hand and Foot Length of an Individual

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    O. S. Saka

    2016-10-01

    Full Text Available Background: Studies on the estimation of stature from hand and foot length of an individual are essential study in personal identification. Aim and Objectives: This study is to find out correlation between statures with hand and foot dimensions in both sexes and gender comparison from an individual in Lautech Staff College in Ogbomoso and College ogbomoso and College of Health Sciences, Obafemi Awolowo University, Ile-Ife, Nigeria. Material and Methods: A sample of 140 students and staff; 70 male and 70 female Students and staff of Lautech Staff College in Ogbomoso and College ogbomoso and College of Health Sciences, Obafemi Awolowo University, Ile-Ife, between 16-35years were considered and measurements were taken for each of the parameters. Gender differences for the two parameters were determined using Student t-test. Pearson's correlation coefficient (r was used to examine the relationship between two anthropometric parameters and standing height (stature. All these measurements were done by using standard anthropometric instruments and standard anthropometric techniques. Results: The findings of the study indicated that the males mean values are not significantly difference when compared with females mean values in all measured parameters. The study showed significant (p<0.001 positive correlation between the stature with hand lengths and foot lengths. The hand and foot length provide accurate and reliable means in establishing the height of an individual. Conclusion: This study will be useful for forensic scientists and anthropologists as well as anatomists in ascertain medico-legal cases

  19. Assessment of exercise capacity in African patients with chronic heart failure using six minutes walk test

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    Rufus A Adedoyin

    2010-02-01

    Full Text Available Rufus A Adedoyin1, Samuel A Adeyanju2, Michael O Balogun3, Anthony O Akintomide3, Rasaaq A Adebayo3, Patience O Akinwusi4, Taofeek O Awotidebe11Department of Medical Rehabilitation, Obafemi Awolowo University, Ile-Ife, Nigeria; 2Department of Physical and Health Education, Obafemi Awolowo University, Ile-Ife, Nigeria; 3Department of Medicine, Obafemi Awolowo University, Ile-Ife, Nigeria; 4Department of Medicine, Ladoke Akintola University of Technology, Osogbo, NigeriaBackground: The purpose of this study was to assess the functional capacity during a 6-minute corridor walk and a 6-minute bicycle ergometry exercise in patients with chronic heart failure (CHF.Method: Thirty five patients with stable CHF were recruited for the study. Each subject performed six minutes corridor walk and 6-minute bicycle ergometry testing. The 6-minute walk required the subjects to walk at a self selected speed on a 20 meter marked level ground for 6-minute. All the subjects also performed a 6-minute exercise on a stationary bicycle ergometer with initial resistance of 20 watts and increased by 10 watts after 3-minutes. The perceived rate of exertion was assessed using a modified Borg Scale after each exercise mode. The maximum oxygen consumption was derived using American College of Sport Medicine equations.Results: Result showed high positive correlation between distance walked in the 6-minute and the maximum volume of oxygen (VO2 max (r = 0.65, P < 0.01. The average distance walked was 327 m ± 12.03 m. The VO2 max estimated during bicycle ergometry was higher (13.7 ± 1.9 L than during the six minutes walk (8.9 ± 1.2 L.Conclusion: Six minutes walk could be useful to evaluate exercise tolerance in patients with chronic heart failure, while the bicycle ergometer could be more appropriate in the assessment of maximum functional capacity in these patients.Keywords: 6-minute walk, CHF, bicycle ergometer

  20. Investigation of soils affected by burnt hospital wastes in Nigeria using PIXE.

    Science.gov (United States)

    Ephraim P, Inyang; Ita, Akpan; Eusebius I, Obiajunwa

    2013-12-01

    Improper management of hospital waste has been reported to be responsible for several acute outbreaks like the severe acute respiratory syndrome (SARS). In spite of these challenges, hospital wastes are sometimes not properly handled in Nigeria. To date, there has not been an adequate study on the effect and fate of burnt hospital waste on agricultural soil. The effect of burnt hospital wastes on the agricultural soil was conducted on soils sampled around farm settlement near Obafemi Awolowo University Teaching Hospital Complex, Ile-Ife, South West Nigeria. PIXE technique was employed with a 1.7 MV 5SDH Tandem Pelletron accelerator available at Centre for Energy Research and Development O.A.U Ile-Ife, Nigeria. Eleven elements- Si, Cl, K, Ca, Ti, V, Cr, Mn, Fe, Zr and Pb were detected and their concentrations and enrichment factors determined. The presence of Pb and Cl at the elevated concentrations range of (77.8 ± 3.5 - 279.6 ± 97.6 and 102.2 ± 37.4 -167.2±17.43) ppm respectively in this study, is of serious health concern because of the agricultural practices in the neighborhoods of the study sites. There is a need for proper handling of hospital and other related hazardous wastes because of the possibility of such posing serious environmental pollution problems.

  1. CHEMICAL EXAMINATION OF PIPED WATER SUPPLY OF ILE-IFE IN SOUTHWEST NIGERIA

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    M. O. Orewole, O. W. Makinde, K. O. Adekalu, K. A. Shittu

    2007-01-01

    Full Text Available Hospital wastewaters are one of the most contaminating wastewaters and need to be paid more attention due to containing infectious agents. In this study, which had been conducted in a period of one year, 7 public hospitals were selected out of 12 public hospitals in Hormozgan Province of Iran. For studying quality of wastewater in hospitals, both influent and effluent wastewaters of treatment plant, if any, were sampled once in each season and totally 30 mixed samples were obtained. In order to determine the quality of hospital wastewaters in all samples, parameters such as pH, BOD5, COD, TSS and temperature were measured. Results of investigation on annual water consumption indicated that average water consumption in hospitals of the province was 194m3/d., considering water-to-wastewater conversion ratio of 0.8 and green yard ratio of 0.3. Wastewater production rate had been estimated to be 47m3/d and 0.362 m3/d.bed. Results indicated that in 7 hospitals of Hormozgan province, mean values of BOD5 ,COD ,TSS in raw wastewater were 242.25 mg/L, 628.1 mg/L and 231.25 mg/L, respectively, pH=7.42 and temperature=30.17 ºC. In Khalij-e-Fars hospital which had wastewater treatment plant, values of these parameters in effluent were 12.53 mg/L and 51.7 mg/L, 19.68 mg/L, respectively, with pH=7.39 and temperature=26.1 ºC. Comparison between values of influent and effluent wastewaters indicated that in understudy cases, contamination rate was higher than determined limits, as compared to environmental standards of the country and it was necessary to establish appropriate treatment plants in these units.

  2. Semen quality of male partners of infertile couples in Ile-Ife, Nigeria

    African Journals Online (AJOL)

    2011-09-05

    Sep 5, 2011 ... No prior usage of antibiotics and spilled sample collection were ... in appropriate culture media at 37°C for 24-48 hours to detect any associated .... 661 (100). Pearson chi‑square = 8.27, diff = 4 P = 0.068 not significant.

  3. Dream Recall Frequency Among Patients in a Psychiatric Outpatient Clinic in Ile-Ife, Nigeria

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    CO Mume

    2009-01-01

    Full Text Available Aim: The aim of this study was to find out if the frequency of dream recall among neuropsychiatric patients on psychotropic drugs was significantly different from that of healthy individuals. Methods:The study was done on 53 neuropsychiatric patients with different diagnoses who were on medication and 144 healthy individuals. The number of participants in each group who recalled their dreams and those who did not were compared and analyzed statistically for any significant difference. Results:Thirty-five out of the 53 neuropsychiatric patients and 133 out of the 144 healthy individuals were able to recall their dreams. A significantly (p < 0.001 higher proportion of the healthy individuals compared to neuropsychiatric patients on medications were able to recall their dreams. Conclusions: This study has shown that neuropsychiatric patients on medications may have reduced dream episodes or that their ability to remember their dreams may be impaired. A combination of both factors is not unlikely. Thus, the patients have reduced dream recall frequency (DRF compared to healthy subjects. There might also be individuals who do not dream.

  4. Male Involvement in Family Planning Decision Making in Ile-Ife ...

    African Journals Online (AJOL)

    Erah

    Quantitative methodology was employed in this cross-sectional descriptive design using a structured household questionnaire to ... included religion, marriage type, educational attainment, and occupation (p<0.05). ... However, fertility and family planning research and .... design, employing both quantitative and qualitative.

  5. Biopsy-proven renal disease in Ile-Ife, Nigeria: A histopathologic review.

    Science.gov (United States)

    Onwubuya, I M; Adelusola, K A; Sabageh, D; Ezike, K N; Olaofe, O O

    2016-01-01

    Although various patterns of renal diseases have been reported from different renal biopsy registries worldwide, data from Nigeria remain scanty. A 10-year retrospective review of renal biopsies was conducted in our tertiary health care facility. All cases were reclassified based on their light microscopic features after the application of standard histochemical stains. A total of 165 cases were reviewed with a male:female ratio of 1.8:1 and a mean age of 15.4 ± 12.0 years. About 69.7% of the cases were below the age of 16 years, while only 2.4% were older than 50 years. The most common indications for biopsy were nephrotic syndrome (72.1%) and acute renal failure of unknown etiology (11.5%). Overall, glomerulonephritis (80%) was the most common histologic category and occurred only in individuals younger than 50 years old. Minimal change disease (22.9%) and membranoproliferative glomerulonephritis (21.9%) were the most common varieties in children, while membranous glomerulonephritis (30.6%) and focal segmental glomerulosclerosis (27.8%) were the commonest among the adult population. The initial histologic diagnosis was revised in 18 cases while a diagnosis was arrived at in seven cases initially adjudged as inadequate for assessment. This study showed that renal biopsy was predominantly performed in children and adolescents. Although glomerulonephritis was the predominant disease, the predominant histologic patterns varied with the patient age. Despite the scarcity of advanced diagnostic tools in resource-poor environments, routine use of histochemical stains is helpful in the evaluation of renal biopsies.

  6. Sexual behaviour in adolescents and young people attending a sexually transmitted disease clinic, Ile Ife, Nigeria

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    Olasode Olayinka

    2007-01-01

    Full Text Available WHO estimates that 20% of persons living with HIV/AIDS are in their 20s and one out of twenty adolescents contract a sexually transmitted disease (STD each year. A total of 303 adolescents and youths (10-24 years of age attending an STD clinic were subjected to a questionnaire to assess sexual behavioural patterns that predisposed them to STD. Scope of the questions included age at initiation of sexual intercourse, partner at first exposure, number of sexual partners, use of condoms, exposure to commercial sex workers (CSWs, previous infection with STDs and role of alcohol. Their diagnosis was based on history, clinical findings and laboratory confirmation. Adolescents and youths accounted for 30% of the total number of patients attending the STD clinic during this period. The male to female ratio was 1:0.95. Ninety-six percent (290 were single while 4% (13 were married. Seventy-two percent (217 were students. Age at onset of sexual activity was 10-20 years in 80%, 85% practiced risky sexual behaviour, patronising casual partners was frequent especially after alcohol use, 10% had been exposed to CSWs, condom use was poor, number of sexual partners varied between 1 and 5 and previous infections were not professionally treated. Adolescents and young people are sexually active and practice risky sexual behavioural patterns. Adolescents and youths account for a high percentage of patients patronising the STD clinic. Sexual education and youth friendly reproductive health services are urgently needed to curb the spread of HIV/AIDS/STDs.

  7. Adolescent and adult cleft lip and palate, in Ile-Ife, Nigeria

    African Journals Online (AJOL)

    2011-12-17

    Dec 17, 2011 ... The purpose of this article is to review adolescent and adult CLP patients .... due to costs. We do not perform labial adhesion[21] in our .... the department of orthodontics, Suidobashi hospital, Tokyo dental college. Bull Tokyo ...

  8. Reproductive strategy of Oreochromis niloticus (Pisces: Cichlidae in Opa reservoir, Ile-Ife, Nigeria

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    O.O Komolafe

    2007-06-01

    Full Text Available The fish family Cichlidae has a large diversity and dominates African freshwater bodies, with over 200 species reported in inland waters. Sampling for the fish Oreochromis niloticus (Linnaeus in Opa reservoir, Nigeria, started in October 1997 and extended until February 2000. The fishing methods employed for collecting the 1 430 specimens were cast netting and gillnetting. Egg diameter varied between 2.12 mm and 2.69 mm with a mean of 2.47±0.02. Female gonadosomatic index was 1.34±0.01 (0.12-4.06, n= 637. The male gonadosomatic index was 0.39±0.02 (0.03-1.67, n= 789. In Opa reservoir, O. niloticus bred throughout the study period. The species was a maternal mouth brooder with the female fish carrying eggs and fry in the buccal cavities. The sex ratio of O. niloticus was approximately 1:1 in the reservoir. The fecundity of the species was between 73 eggs and 1 810 eggs per female with a mean fecundity of 815 eggs. Rev. Biol. Trop. 55 (2: 595-602. Epub 2007 June, 29.Estudiamos la tilapia, Oreochromis niloticus (Linnaeus en la reserva de Opa, Nigeria, desde octubre 1997 hasta febrero del 2000. Recolectamos 1 430 especímenes con red lanzada y red de arrastre. El diámetro de los huevos varía entre los 2.12 mm y 2.69 mm con un promedio de 2.47±0.02. El índice gonadosomático de las hembras fue de 1.34±0.01 (0.12-4.06, n= 637, y en machos fue de 0.39±0.02 (0.03-1.67, n= 789. En la reserva este pez se reprodujo durante todo el periodo de estudio. Hay cuido materno: la hembra lleva los huevos y alevines en la boca. La proporción machos/hembras fue aproximadamente 1:1. La fecundidad varía entre 73 y 1 810 huevos por hembra con un promedio de 815 huevos.

  9. An Audit of Laparoscopic Surgeries in Ile-Ife, Nigeria | Adisa | West ...

    African Journals Online (AJOL)

    PROMOTING ACCESS TO AFRICAN RESEARCH ... An audit of the procedure in our setting is required. ... Methods: All patients with general surgical conditions who had laparoscopic surgery from January 2009 through May 2010 in our ...

  10. Conjunctivitis as seen in Ile-Ife | Adegbehingbe | Nigerian Journal of ...

    African Journals Online (AJOL)

    Abstract. Objective: To survey the clinical pattern of conjunctivitis with the aim ... Method: Patients with clinical features of conjunctivitis form the cohort of this study. ... sensitivity tests, and were investigated by standard microbiological methods.

  11. Sexual orientation and quality of life among students of Obafemi Awolowo University (OAU), Nigeria.

    Science.gov (United States)

    Boladale, Mapayi; Olakunle, Oginni; Olutayo, Aloba; Adesanmi, Akinsulore

    2015-12-01

    Sexual orientation is an individual's pattern of physical and emotional arousal toward members of the same and/or opposite gender. To determine the pattern of sexual orientation and the relationship between sexual orientation and quality of life among a sample of OAU students. A descriptive cross sectional study among 481 students of OAU using a multistage sampling technique. They completed a Socio-demographic data schedule, questions on sexual orientation and the World Health Organization Quality of Life Scale - Brief version (WHO QOL-BREF). 4.9% of the sample self-identified as bisexual while 0.1% self-identified as gay/lesbian. 11.8% of the respondents reported varying degrees of attraction to the opposite gender. The mean age of sexual debut was 17.62 (±4.05). Those who self-identified as gay/lesbian/bisexual had a lower average score on all domains of the WHO QOL-BREF. Same sex sexual attraction and practice occur among young people in Nigeria and this has sexual and reproductive health implications. GLB youth report a lower QOL compared to heterosexual counterparts and this may suggest some distress among this vulnerable group. More studies should be undertaken to explore issues raised in planning interventions and health services that would improve safe sexual practices within this group.

  12. Desiccation Stress and the Effect of Humidity in Mosses

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    Aina Arinola FAJUKE

    2010-03-01

    Full Text Available Mosses show fair degree of structural adaptations to different environmental conditions. The effects caused by desiccation were determined in the shoots of six moss species, collected from various locations of the Obafemi Awolowo University Ile-Ife campus, Osun State, Nigeria. Using 0.1 g of fresh weights, desiccation of moss species over time at 0%, 52%, and 100% relative humidity, were determined by putting the shoots into desiccators and reweighing at intervals of 15 min, 30 min, 1 hr and on the 8th day. It was concluded that the locations of the moss species, and the fact that the cell walls of all the mosses were thick, were regarded as the adaptations which helped these mosses survived desiccation stress.

  13. Mode Choice of Undergraduates : A Case Study of Lecture Trips in Nigeria.

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    Moses Olaniran Olawole

    2017-01-01

    Full Text Available Abstract Travel behavior and determinants of mode choice of university students in Nigeria are neither well understood nor well represented in literature. This study model is modal choice of undergraduates, using data from students travel survey and logistic regression to determine factors influence modal choice of undergraduate students in Obafemi Awolowo University Ile-Ife, Nigeria. The results indicate that walking dominate modes for on-campus and commercial bus for off-campus students, while motorcycles taxi is used by few of the sample. Mode choices are influenced by a combination of socio-economic and trip factors. A key finding is extent that these variables positively affect the odds of using walk and commercial bus modes especially with reference to student residence: on and off-campus.  The results suggest investment in pedestrian infrastructure and development of intermodal transport system as a means of making the university livable and attractive. Abstrak Kebiaasaan perjalanan dan penentu moda dari mahasiswa di Nigeria tidak juga dipahami dengan baik atau dijelaskan dalam literatur. Model penelitian ini adalah pemilihan moda mahasiswa menggunakan data dari survei perjalanan mahasiswa dan regresi logistik untuk menentukan faktor penyebab pilihan moda dari mahasiswa di Universitas Obafemi Awolowo, Ile-Ife, Nigeria. Hasilnya menunjukkan berjalan mendominasi pilihan untuk ke kampus dan kendaraan bus umum untuk mahasiswa di luar kampus, sementara sepeda motor taksi digunakan oleh beberapa sample. Pilihan cara dipengaruhi oleh kombinasi dari sosial-ekonomi dan faktor kunjungan. Inti penelitian adalah luasnya variabel positif mempengaruhi peluang dari berjalan dan kendaraan bus umum terutama rujukan ke asrama mahasiswa, dalam maupun luar kampus. Hasil penelitian menyarankan investasi pada infrastruktur pejalan kaki dan pengembangan dari sistem transportasi antarmoda sebagai sarana membuat universitas layak huni dan menarik.

  14. Non-third molar related pericoronitis in a sub-urban Nigeria population of children.

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    Folayan, M O; Ozeigbe, E O; Onyejaeka, N; Chukwumah, N M; Oyedele, T

    2014-01-01

    The study will report on the prevalence, clinical presentation, diagnosis, and management of non-third molar related pericoronitis seen in children below the age of 15 years who report at the Pediatric Dental Clinic, Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife over a 4½ year period. This is a prospective study of cases of pericoronitis affecting any tooth exclusive of the third molar diagnosed in the pediatric dentistry out-patient clinic in Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife between January 2008 and June 2012. Pericoronitis was diagnosed using the criteria described by Howe. Information on age, sex, history malaria fever, upper respiratory diseases, tonsillitis, and evidence of immunosuppression were taken. Radiographs were taken in all cases to rule out tooth impaction and information on treatment regimen was also collected. The prevalence of non-third molar related pericoronitis was 0.63%. More females (63.6%) were affected. Chronic pericoronitis was the most common presentation (73.3%). No case was reported in the primary dentition and the premolar. No case was associated with tooth impaction and the tooth most affected was the lower right second permanent molar (35.7%). Bilateral presentation was seen in 36.4% patients. Herpetic gingivostomatitis was reported in association with one case. Chronic pericoronitis resolved within 3 days of management with warm saline mouth bath (WSMB) and analgesics, while acute/subacute resolved within 10 days of management with antibiotics, analgesics, and WSMB. The prevalence of non-third molar related pericoronitis is the low. The most prevalence type is chronic pericoronitis affecting the lower right second permanent molar.

  15. Awareness of link between smoking and periodontal disease in Nigeria: a comparative study

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    Solomon O Nwhator

    2010-10-01

    Full Text Available Solomon O Nwhator1, Patricia O Ayanbadejo2, Modupe O Arowojolu3, Osagie Akhionbare4, Adeleke O Oginni51Department of Preventive and Community Dentistry, Obafemi Awolowo University, Ile-Ife; 2Department of Preventive Dentistry, University of Lagos, 3Dental School University College Hospital Ibadan, 4Department of Periodontics, School of Dentistry, College of Medical Sciences, University of Benin, Benin City; 5Department of Restorative Dentistry, Obafemi Awolowo University, Ile-Ife, NigeriaObjectives: To investigate Nigerians’ awareness of the link between smoking and periodontal disease, and to compare our study findings with those of a similar UK study.Design: The subjects, consisting of 992 adults, completed anonymous questionnaires. These subjects included patients and their escorts attending dental clinics located in four teaching hospitals in southwestern Nigeria. The teaching hospitals included the Lagos University Teaching Hospital, Obafemi Awolowo University Teaching Hospital, University College Hospital Ibadan, and the University of Benin Teaching Hospital.Results: Smoking was considered dangerous to health by 96% of subjects, while 91% believed that it negatively impacted on oral health. Of those who believed smoking impacted negatively on oral health, 44% could not state how. Seventy percent of those who stated how smoking affects oral health associated smoking with dental stains and 12% associated it with halitosis, while 11% identified smoking as a causative agent of oral cancer. Only 20 subjects specifically stated that smoking affected the gums. This figure represents 2.2% of the total number of subjects, 2.4% of subjects who believed that smoking negatively impacted oral health, and 4.4% of subjects who could state a specific association between smoking and oral health. Male gender, nonsmoking status, and higher educational level were significantly associated with the level of awareness of negative effects of smoking on oral

  16. Ten-year experience with the Swenson procedure in Nigerian children with Hirschsprung′s disease

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    Sowande Oludayo

    2011-01-01

    Full Text Available Background: Hirschsprung′s disease (HD is a common cause of intestinal obstruction in children. Definitive treatments consist of excision of the aganglionic segment and anastomosing the normal colon to the anal remnant. The outcome of this approach in Nigerian children is not known. The aim of this study was to analyze the short to mid-term outcome of children who have undergone the Swenson Procedure (SPT as a treatment of HD over a period of 10 years. Patients and Methods: The clinical data of biopsy-proven cases of HD managed at the Obafemi Awolowo University Teaching Hospital, Ile-Ife, Nigeria, between 1998 and 2007 were reviewed. Results: There were 33 children 28 were males and five were females (M 5.6: F = 1. The median age at presentation was eight months (range three days to 11 years. Eighteen (54.5% patients had primary pull-through without colostomy while 15 (45.5% patients had a two-staged operation. The operation was carried out at a median age of 14 months with a range of seven weeks to 11 years, four months. Twenty-one (64% of the patients were older than one year at the time of surgery. The level of aganglionosis was in the recto-sigmoid area in 30 (91% patients. The commonest post-SPT complication was intestinal obstruction from adhesions. Bowel opening varied from once daily to eight times daily, median thrice daily. Conclusion: The Swenson′s Procedure is an effective procedure in the treatment of HD in children in Ile Ife, Nigeria.

  17. Reconstruction of mandibular defects using nonvascularized autogenous bone graft in Nigerians

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    Kizito Chioma Ndukwe

    2014-01-01

    Full Text Available Objectives: The aim of this study is to evaluate the success rate and complications of mandibular reconstruction with nonvascularized bone graft in Ile-Ife, Nigeria. Patients and Methods: A total of 25 patients who underwent reconstruction of mandibular discontinuity defects between January 2003 and February 2012, at the Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife constituted the study sample. Relevant information was retrieved from the patients′ records. This information include patients′ demographics (age and sex as well as the type of mandibular defect, cause of the defect, type of mandibular resection done, source of the bone graft used, and the method of graft immobilization. Morbidity associated with the graft procedures were assessed by retrieving information on graft failures, length of hospital stay following surgery, rehabilitation device used and associated graft donor and recipient site complications. Result: There were 12 males and 13 females with a male:female ratio was 1:1.1. The age of the patients ranged from 13 to 73 years with a mean age for males 32.7 ± standard deviation (SD 12.9 and for females 35.0 ± SD 17.1. Jaw defect was caused by resection for tumours and other jaw pathologies in 92% of cases. Complete symphyseal involvement defect was the most common defect recorded 11 (44%. Reconstruction with nonvascularized rib graft accounted for 68% of cases while iliac crest graft was used in 32% of the patients. Successful take of the grafts was recorded in 22 patients while three cases failed. Wound dehiscence (two patients and postoperative wound infection (eight patients were the most common complications recorded. Conclusion: The use of nonvascularized graft is still relevant in the reconstruction of large mandibular defects caused by surgical ablation of benign conditions in Nigerians. Precise surgical planning and execution, extended antibiotic therapy, and meticulous postoperative care

  18. Assessment of trace metals using lichen transplant from automobile mechanic workshop in Ile-Ife metropolis, Nigeria.

    Science.gov (United States)

    Odiwe, Anthony I; Adesanwo, Adeyemi T J; Olowoyo, Joshua O; Raimi, Idris O

    2014-04-01

    The level of air pollution around the automobile mechanic workshops has been generally overlooked. This study, examined the level of trace metals in automobile mechanic workshops and the suitability of using transplanted lichen thalli of Lepraria incana for measuring air pollution in such areas. Samples of the lichen thalli were transplanted into seven different sites and were attached to the bark of trees at each site. The samples were harvested from the sites after 3-month exposure. Concentrations of Pb, Cu, Cd, Fe, Zn, and S content were determined using an atomic absorption spectrophotometer. Results showed that there was a significant difference in the trace metals concentrations across the sites (p < 0.05). The analyzed lichen samples showed a range of 91.26-119.35 ppm for Fe, 30.23-61.32 ppm for Zn, 1.25-2.45 ppm for Cu, 0.017-0.043 ppm for Cd, 0.018-0.051 ppm, and 0.37-0.42 ppm for S. From the study, sites 6 and 7 presented higher concentrations of Cd, Pb, and Zn than other sites. The enrichment factor calculated showed that Zn, Cd, and Pb were greatly enriched from the workshops. The trend in the concentration of these heavy metals suggests that activities in these workshops might become a major source of certain heavy metals in the environment and if the pollution activities persist, it might become worrisome over time.

  19. Salinity and sodium hazards of three streams of different agricultural land use systems in Ile-Ife, Nigeria

    Science.gov (United States)

    Ogunfowokan, A. O.; Obisanya, J. F.; Ogunkoya, O. O.

    2013-03-01

    In this study, three streams—Amuta, Agbogbo and Abagbooro were examined for salinity and sodium hazards and suitability of the water for irrigational purpose. The three streams are located within areas of three different agricultural practices and land uses. Water samples from the streams were collected twice a month for 1 year. Irrigation water quality parameters assessed included pH, electrical conductivity (EC), sodium adsorption ratio (SAR), percentage sodium, permeability index and potential salinity. Water samples were analyzed using standard chemical procedures. Results of the irrigation water quality parameters studied showed that water samples from the three streams do not exhibit toxicity problem in relation to salinity and sodium hazard. Although the data obtained for the three catchment areas for pH, EC and SAR were closely related, least concentrations of these irrigation water indices were obtained for Abagbooro stream where there is secondary forest; highest concentrations were found in Agbogbo stream and moderate values were obtained for water from Amuta stream where subsistent and mechanized farming are practiced, respectively.

  20. Knowledge, Attitude, and Practice of Health Workers in a Tertiary Hospital in Ile-Ife, Nigeria, towards Ebola Viral Disease.

    Science.gov (United States)

    Olowookere, Samuel Anu; Abioye-Kuteyi, Emmanuel Akintunde; Adepoju, Olusegun Kayode; Esan, Oluwaseun Taiwo; Adeolu, Temitope Michael; Adeoye, Tolulope Kola; Adepoju, Adesola Adebayo; Aderogba, Adedayo Titilayo

    2015-01-01

    Background. Health workers are more prone to Ebola viral disease (EVD) than the general population. This study assessed the preparedness of health workers in the control and management of EVD. Methods. A descriptive cross-sectional study. Consenting 400 health workers completed a semistructured questionnaire that assessed participants' general knowledge, emergency preparedness, and control and management of EVD. Data were analysed using descriptive and inferential statistics. Results. The mean age (SD) was 34.5 ± 8.62 years ranging from 20 to 59 years. Most participants were medical doctors (24.6%) and nurses (52.2%). The majority had practised <10 years (73.8%) and were aware of the EVD outbreak in the West African subregion (85.5%). Colleagues (40%) and radio (37.2%) were their major sources of information. Only 42% had good knowledge while 27% knew that there was no vaccine presently to prevent EVD. About one-quarter (24.2%) had low risk perception. The majority (89%) felt the hospital infection control policy was inadequate to protect against EVD. The only predictor of good knowledge was participants' occupation. Conclusion. There is knowledge gap and poor infection control preparedness among respondents. Thus, knowledge and practices of health workers towards EVD need improvement.

  1. High prevalence of HIV p24 antigen among HIV antibody negative prospective blood donors in Ile-Ife, Nigeria.

    Science.gov (United States)

    Japhet, Margaret Oluwatoyin; Adewumi, Moses Olubusuyi; Adesina, Olufisayo Adeyemi; Donbraye, Emmanuel

    2016-01-01

    Blood transfusion service centers in Nigeria screen donated blood for markers of HIV infection using antibody- (Ab) based rapid test and in some centers, positives are re-tested using Ab-based ELISA. Paucity of data exists on p24 antigen prevalence among HIV Ab-negative donors in Nigeria. This study aims at detecting HIV p24 antigen among prospective blood donors in Osun State, Nigeria. Prospective blood donors negative for HIV antibodies using Determine test kit were re-tested using BIORAD GENSCREEN Ultra Ag-Ab ELISA kit, a fourth-generation ELISA kit that detects HIV antibodies/p24 antigen. Of the 169 HIV Ab-negative prospective donors, 10 (5.9%) were positive for HIV p24 antigen and 70% (7/10) of them were in the age range 18-30 years. Results of this study show that blood transfusion is still one of the major routes of HIV transmission in Nigeria and a higher proportion is among youth. Inclusion of p24 antigen testing into the blood donor screening will help reduce transfusion associated HIV in Nigeria if Nucleic Acid Testing (NAT) of all blood donor samples is not affordable; also, HIV enlightenment programs tailored toward youth may help reduce this rate among donors since more young people donate blood in low/middle-income countries than in high-income countries.

  2. Enhancing the Performance of Women's Multiple Roles: A Case Study of Isoya Rural Development Project, Ile-Ife, Nigeria.

    Science.gov (United States)

    Akande, M.

    1992-01-01

    The Isoya Rural Development Project appears to have enhanced Nigerian women's multiple roles (maternal, occupational, conjugal, domestic, kin, community, and individual). Limitations of the project include poor rural infrastructure, male-oriented cultural norms, and lack of direct access to land by women. (SK)

  3. Awareness of menstrual abnormality amongst college students in urban area of Ile-Ife, Osun State, Nigeria

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    Esimai O

    2010-01-01

    Full Text Available Background: Disturbances of menstrual bleeding are major social and medical problem for women and account for high percentage of gynecological visit. Objectives: The objective of the study was to document menstrual abnormalities experienced by female college students, their awareness and health seeking behavior. Materials and Methods: A cross-sectional survey was undertaken, 400 students were selected using stratified sampling technique and interviewed using semi-structured self-administered questionnaire. Inferential statistical analysis such as Chi-square test and logistic regressions were carried out. Results: The mean age at menarche was 14.18 years. Irregular menstrual cycles were reported in 9.0%. Dysmenorrhea was present in 62.5%, and 12.5% reported school absenteeism. Students′ awareness of menstrual abnormalities was poor (29%. A few of them (10.5% decided to seek help for menstrual abnormalities. The awareness of students on menstrual abnormalities was significantly influenced by their age (OR = 2.33, P = 0.03; however, age at menarche and level of study did not influence their awareness (OR = 0.45, P = 0.24 and OR = 1.42, P = 0.12. History of dysmenorrheal (OR = 10.2, P = 0.001 and academic disturbance (OR = 5.45, P = 0.001 had significant influence on the health seeking behavior of the students. Conclusion: There was a general lack of information about menstrual issues and when to seek help. There is a need to educate female college students about menstrual issues in order to improve their health seeking behavior as regards menstrual abnormalities.

  4. Soil Seed Bank Dynamics in Tithonia diversifolia Dominated Fallowland Vegetation in Ile-Ife Area of Southwestern Nigeria

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    Samson Olajide OKE

    2009-12-01

    Full Text Available The soil seedbank of Tithonia diversifolia, an invasive species which dominates open waste fallowland vegetation was studied. Two different roadside sites which vary in extent of open waste land were selected.The species composition of the established vegetation was assessed in the two diferent sites. Twenty top soil samples were collected at five different distances (15 cm, 30 cm, 45 cm, 60 cm, and 75 cm inwards away from each main road in dry and rainy seasons and the seed bank composition was determined by greenhouse germination over a 6 month period. The similarity between the composition of the seed bank flora and that of the established vegetation was low. The least and the highest emerged seedlings density was recorded in the 15 metres and 75 metres respectively inwards away from the main road in both seasons. The results of the seedlings emergence is a reflection of the extent of open waste land dominated by the invasive species due to human disturbance (road construction on both sites. Overall results suggest that the emergence of the species from the soil seed bank may be due to the impact of the invasive species Tithonia diversifolia on other plant species in the study environment.

  5. Iron overload in steady state, non-chronically transfused children with sickle cell anaemia in Ile-Ife, Nigeria

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    O.C. Odunlade

    2017-08-01

    Conclusion: Despite not being on chronic blood transfusion programme, higher serum ferritin levels indicative of iron overload were found in the SCA group compared with the controls. This suggests a tendency to excessive accumulation of iron within the reticuloendothelial tissues of the SCA group.

  6. Academic Enterpreneurship and Enterprenerial Development in Nigeria: Myth or Reality?

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    Abdul-Hameed Adeola Sulaimon

    2016-12-01

    Full Text Available This paper examines the process of commercializing research output of University staff without violating the extant rules within the system as well as providing practical application of theories. The research also determines the extent to which University staff engages in entrepreneurial activities. A survey research design through convenient sampling technique was adopted for collection of primary data via closed-ended questionnaire administered to University staff across different disciplines in the selected Federal Universities in Nigeria (Obafemi Awolowo University, Ile-Ife; University of Ibadan; University of Lagos. Fifty Academics of senior lecturership status were purposively sampled in these three Universities. The data collected were analysed using descriptive and inferential statistics as appropriate to each of the research objectives. The formulated hypotheses were tested using correlation and regression analysis. It was observed from the results that, there exist a significant positive relationship between main academic responsibilities and entrepreneurial development in Nigeria. The study concluded that, encouraging proper assortment of academic and entrepreneurial activities will increase research driven production and service activities in the country, thereby stimulating more societal beneficial research and reducing unemployment in the long-run. The study therefore, recommends policy option for the encouragement of research output(s commercialization which will ensure harmonious town and gown relationship, consequently, harnessing the full potentials of good research outputs from academics. In addition, there is need for more incubation centers across the Universities in Nigeria to stimulate nurturing and proper transition of research driven business ideas from the University to the industry.

  7. Menstrual discomfort and its influence on daily academic activities and psychosocial relationship among undergraduate female students in Nigeria.

    Science.gov (United States)

    Titilayo, A; Agunbiade, O M; Banjo, O; Lawani, A

    2009-10-01

    Menstrual disorder is a common health problem among females in their reproductive years. It has psychosocial effects on the sufferer and her interactions with others during such periods. In Nigeria, menstrual disorder has received little research attention especially in the public health agenda. This study combines quantitative and qualitative approaches in investigating the prevalence of dysmenorrhoea and menorrhagia and their psychosocial effects by focusing on the daily activities of female undergraduates at the Obafemi Awolowo University, Ile-Ife, Nigeria. A multi-stage sampling technique was employed to select 415 female undergraduates at the University. A snowball sampling technique was used in selecting 37 informants for the in-depth interviews. Results showed a high prevalence of dysmenorrhoea (64%) among respondents within 3 months prior to this study. Dysmenorrhoea was significant among female students who reported dizziness, headache, depression and irritation; and those whose menstrual disorder ever called for medical attention (P medical attention or even surgical intervention (Ppsychosocial relationship of the female students (P relationship with colleagues. Menstrual disorders prevalence is high among young undergraduates and appropriate enlightenment and treatment should be made available to young females.

  8. An Evaluation of Functional, Aesthetic, Structural qualities and Satisfaction in Selected Students’ Housing for the University.

    OpenAIRE

    Muyiwa Lawrence Akinluyi

    2015-01-01

    The study evaluated the functional, Aesthetic, structural and satisfaction in students’ housing in selected Students’ Housing for the University, It examined the socio- economic characteristics of the users, evaluated functional, aesthetic, structural qualities in selected students’ housing for Obafemi Awolowo University and examined residential satisfaction in the halls. This was with a view to providing policy interventions for the designers of halls of residences for the Universities. Prim...

  9. Effects of lime juice on malaria parasite clearance.

    Science.gov (United States)

    Adegoke, S A; Oyelami, O A; Olatunya, O S; Adeyemi, L A

    2011-10-01

    One hundred and twenty children with acute uncomplicated malaria who were managed at the children's outpatient department of the Wesley Guild Hospital, Ilesa (a unit of Obafemi Awolowo University Teaching Hospitals' Complex, Ile-Ife, Osun state, Nigeria) were recruited into the study to determine the effects of lime juice on malaria parasite clearance. These children were randomized into treatment with World Health Organization recommended antimalarials (artemisinin combination therapy, ACT) either alone or with lime juice. Nine of them were lost to follow-up, four were in the group that were managed with ACT and lime, and five in the group that were managed on ACT alone. The average (SD) time to achieve >75% reduction in parasite load was significantly lower in patients on ACT and lime; 30.5 ± 2.4 h against 38.6 ± 3.3 h for those on ACT alone (p lime juice achieved complete parasite clearance by 72 h of therapy (p = 0.007), ten (18.2%) patients without lime had early treatment failure (p = 0.003). There were no side effects with the use of lime juice. It may therefore be inferred, from this preliminary work, that lime juice when used with the appropriate antimalarial may enhance malaria parasite clearance especially in those with uncomplicated malaria.

  10. Comparison between treadmill and bicycle ergometer exercise tests in mild-to-moderate hypertensive Nigerians

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    Abiodun OO

    2015-08-01

    Full Text Available Olugbenga O Abiodun, Michael O Balogun, Anthony O Akintomide, Rasaaq A Adebayo, Olufemi E Ajayi, Suraj A Ogunyemi, Valentine N Amadi, Victor O Adeyeye Cardiology Unit, Department of Medicine, Obafemi Awolowo University Teaching Hospitals Complex (OAUTHC, Ile-Ife, Osun state, Nigeria Background: Comparative cardiovascular responses to treadmill and bicycle ergometer (bike exercise tests in hypertensive Nigerians are not known. This study compared cardiovascular responses to the two modes of exercise testing in hypertensives using maximal exercise protocols. Methods: One hundred and ten male subjects with mild-to-moderate hypertension underwent maximal treadmill and bike test one after the other at a single visit in a simple random manner. Paired-sampled t-test was used to compare responses to both exercise tests while chi-squared test was used to compare categorical variables. Results: The maximal heart rate (P<0.001, peak systolic blood pressure (P=0.02, rate pressure product (P<0.001, peak oxygen uptake (P<0.001, and exercise capacity (P<0.001 in metabolic equivalents were significantly higher on the treadmill than on the bike. Conclusion: Higher cardiovascular responses on treadmill in Nigerian male hypertensives in this study, similar to findings in non-hypertensives and non-Nigerians in earlier studies, suggest that treadmill may be of better diagnostic utility in our population. Keywords: maximal exercise, treadmill, bicycle ergometer, hypertension, Nigerians

  11. Effect of NPK fertilizer on chemical composition of pumpkin (Cucurbita pepo Linn.) seeds.

    Science.gov (United States)

    Oloyede, F M; Obisesan, I O; Agbaje, G O; Obuotor, E M

    2012-01-01

    An investigation of the proximate composition and antioxidant profile of pumpkin seeds obtained from different levels of NPK 15 : 15 : 15 compound fertilizer application at the Obafemi Awolowo University, Ile-Ife, Nigeria was carried out. Pumpkin seeds were grown in 2010 for two cropping seasons (May to August and August to November), and the following fertilizer rates were applied: 0, 50, 100, 150, 200, and 250 kg/ha. Standard analytical methods were used to determine protein, crude fibre, ash, fat, carbohydrate, antioxidant activities, phenol, flavonoid, proanthocyanidin, and anthocyanin. The highest concentrations of the proximate and antioxidants analysed were found from the seeds of control and those treated with lower NPK rates. The mean protein, ash, crude fibre, and carbohydrate values of pumpkin seeds at zero to 100 kg NPK/ha were 27%, 1.56%, 0.56%, and 11.7% respectively. At these same levels of fertilizer, pumpkin seed oil yield was 59%. Antioxidant activities ranged from 89.9 to 90.4% while total phenol was 47 mg/100 g. Except for carbohydrate, the % concentration of nutrients and antioxidants in pumpkin seeds was significantly (P = 0.05) depressed with fertilizer rates above 100 g/ha.

  12. Effects of heavy metal (Pb) concentration on some growth parameters of plants grown in lead polluted soil under organic fertilizer amendment

    Institute of Scientific and Technical Information of China (English)

    Ojo M Oseni; Adekunle A Adelusi; Esther O Dada; Abdulfatai B Rufai

    2016-01-01

    This study investigated morphological variation and biomass accumulation that occurred inSida acuta andChromolaena odorata plants grown in lead polluted soil under organic fertilizer amendment. The study was carried out in the screen house at the Biological Gardens of the Obafemi Awolowo University, Ile-Ife, Osun State. The experiment was a factorial combination of one heavy metal (Pb) at five levels of concentration (0, 200, 400, 800 and 1,000 mg/kg) in a completely randomized design, and were replicated three times for each of the two plants and two levels (0 g/kg and 9.4 g/kg) of organic fertilizer (OBD-Plus). Each pot was filled with 5 kg of air-dried and sieved soil and placed on a plastic tray for the collection of excess water. Two weeks after planting, seedlings of uniform height were transplanted from the nursery to experimental pots at the rate of one seedling per pot and grown for 10 weeks. The growth parameters of the plants were biomonitored for 7 weeks. After 10 weeks of treatment, the plants were harvested and dried to calculate the biomass accumulation. The two plant species performed better under fertilizer application than without it. For each of the plant species the growth parameters decreased as the levels of Pb concentration increased. Furthermore, the plants' biomass decreased significantly (p<0.05) as the levels of Pb concentration increased. The organic fertilizer helped to improve the plants' performance in lead-polluted soil.

  13. Incisional Hernia in Women: Predisposing Factors and Management Where Mesh is Not Readily Available

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    E Agbakwuru

    2009-01-01

    Full Text Available Background / Aim: Incisional hernia is still relatively common in our practice. The aim of the studywas to identify risk factors associated with incisional hernia in our region. The setting is the ObafemiAwolowo University Teaching Hospitals Complex, Ile-Ife, Nigeria during a period when prostheticmesh was not readily available. Patients and Methods: All the women who presented with incisionalhernia between 1996 and 2005 were prospectively studied using a standard form to obtaininformation on pre-hernia (index operations and possible predisposing factors. They all had opensurgical repair and were followed up for 18-60 months. Results: Forty-four women were treatedduring study period. The index surgeries leading to the hernias were emergency caesarian section26/44 (59.1%, emergency exploratory laparotomy 6/44 (13.6%, and elective surgeries 12/44(27.3%. Major associated risk factors were the use of wrong suture materials for fascia repair, midlineincisions, wound sepsis, and overweight. Conclusion: For elective surgeries, reduction of weightshould be encouraged when appropriate, and transverse incisions are preferred. Absorbable sutures,especially chromic catgut, should be avoided in fascia closure. Antibiotics should be used forcomplicated obstetric cases.

  14. Challenges of periodontal plastic surgery in a depressed economy: a report of two cases

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    Solomon O Nwhator

    2010-09-01

    Full Text Available Solomon O NwhatorDepartment of Preventive and Community Dentistry, Obafemi Awolowo University, Ile-Ife, NigeriaAbstract: Advancements in restorative dentistry have resulted in people keeping their teeth for longer, and an increase in gingival recession as the gums recede due to age, periodontal disease, thin gingiva, or other factors. The demand for periodontal plastic surgery appears to be increasing. Several methods have been used in the treatment of denuded roots. Of these, the free gingival autograft, the coronally displaced flap, guided tissue regeneration, and, lately, the connective tissue graft appear to be the main methods employed. There are as yet no reports of periodontal plastic surgery performed in Nigeria. We report two cases of Miller’s Class 2 gingival recession treated by free gingival autografts in the specialist periodontal clinic of a South-Western teaching hospital in Nigeria. The challenges of awareness, a dearth of expertise, cost of materials, consequent cost of treatment, and how these affect the accessing of treatment are highlighted. The methods used in getting over these hurdles to provide treatment are also discussed.Keywords: gingival recession, free gingival autograft, Nigeria

  15. Elemental profile in amniotic fluid of some Nigerian pregnant women.

    Science.gov (United States)

    Yahaya, M I; Ogunfowokan, A O; Orji, E O

    2011-06-01

    In this study concentration level of calcium, cadmium, copper, iron, magnesium, manganese, nickel, lead and zinc were determined in the amniotic fluid of pregnant women, aged 15 - 45 years enrolled at the Obafemi Awolowo University Teaching Hospitals Complex Ile - Ife. This was with a view to predict the body burden of the metals in the pregnant women and assess the health implications of the toxic elements to the pregnant women and their fetuses. Fifty samples of the amniotic fluid were collected from the pregnant women. The efficiency of extraction of trace metals using conventional wet acid digestion method (CDM) and microwave induced acid digestion method (MWD) was determined by recovery experiments. Levels of trace metals were determined using Atomic Absorption Spectrophotometry. The high percentage recoveries obtained from MWD made it a more efficient method than the CDM and hence its adoption for sample digestion. Statistical analysis of data using descriptive and inferential statistics revealed that age; education and profession have effects on the levels of the trace metals. The mean levels of most of the toxic metals obtained in this study were lower than the recommended limits of trace metals in women whole blood.

  16. Preliminary trial of aloe vera gruel on HIV infection.

    Science.gov (United States)

    Olatunya, Oladele S; Olatunya, Ayomadewa M; Anyabolu, Henry C; Adejuyigbe, Ebun A; Oyelami, Oyeku A

    2012-09-01

    Ten (10) young women diagnosed with human immunodeficiency virus (HIV) infection in the Wesley Guild Hospital Ilesa, a unit of Obafemi Awolowo University Teaching Hospital, Ile Ife, Osun State, Nigeria who did not meet the national criteria for the use of antiretroviral drugs were managed with 30-40 mL of aloe vera (Aloe barbadensis miller) gruel daily. Their CD4 counts, general improvement, and physical well-being (including weight gain) were monitored over a 1-year period. The findings were compared with those of 20 age- matched controls who were on antiretroviral drugs. One (1) patient who reacted badly to antiretroviral drug switched over to aloe vera. The average weight gain among those on aloe vera was 4.7 kg compared to 4.8 kg by those on antiretroviral drug (p=0.916). The average rise in CD4 count among them was 153.7 cells/μL compared to 238.85 cells/μL among the controls (p=0.087). There was no significant side effect(s) in either group except in the 1 patient who switched over from antiretroviral drugs to aloe vera gruel. These preliminary data suggest that consumption of aloe vera may be of help to HIV-infected individuals in the tropics, given its availability and inexpensiveness.

  17. Examination of thermal comfort in a naturally ventilated hostel using PMV-PPD model and field survey

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    OLANIPEKUN Emmanuel Abiodun

    2014-08-01

    Full Text Available The application of Predicted Mean Vote (PMV and Predicted Percentage Dissatisfied (PPD indices for thermal comfort quality assessment in naturally ventilated (NV buildings in warm-humid climate has been observed to lead to overestimation of occupants` comfort and dissatisfaction levels. The thermal comfort quality in a naturally ventilated hostel located in Obafemi Awolowo University, Ile-Ife was determined using PMV and PPD indices. The measured indoor air temperature and relative humidity were 28.1-34oC and 30.8%-75.5%. The subjective assessments showed that more than 80% of the respondents were comfortable (PD ˂ 20% while the PPD index predicted that 58% of the occupants were not comfortable. The calculated PMV index on the average was +1.63. There was no correspondence between the thermal conditions predicted by PMV-PPD index and actual comfort vote. Fanger`s PMV-PPD model cannot be used to predict indoor climate in the study area as it overestimated occupants` comfort and dissatisfaction levels.

  18. Secondary Metabolites and Bioactivity of Hyophila involuta (Hook Jaeg.

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    Amos M. MAKINDE

    2015-12-01

    Full Text Available The phytochemical screening of Hyophila involuta collected from the Biological Garden of the Obafemi Awolowo University, Ile-Ife, Nigeria, was carried out to investigate the presence or absence of some secondary metabolites and its antibiotic potentials, using different extracts (with acetone and ethanol on selected organisms. The extracts obtained were screened for the presence of secondary metabolites like alkaloids, anthraquinones, cardiac glycosides, flavonoids, phlobatanins, saponins, steroids, tannins, triterpenes and xanthoproteins. Antimicrobial activity of the extracts was carried out on Escherichia coli, Staphylococcus aureus, Aspergillus flavus and Candida albicans. Only acetone extract tested positive for the presence of flavonoids, while alkaloids and cardiac glycosides were detected present in both the acetone and ethanolic extracts. Flavonoids were detected present only in the acetone extract. Saponins were detected present only in the ethanolic extract. The extracts (acetone and ethanolic showed significant activity on Staphylococcus aureus and Aspergillus flavus. The results obtained from this study indicated that H. involuta has medicinally important compounds, having therapeutic potential from which effective antimicrobial medicine can be sourced.

  19. Clinical evaluation of resin composite and resin-modified glass ionomer cement in non-carious cervical lesions.

    Science.gov (United States)

    Adeleke; Oginni, Ao

    2012-10-01

    The clinical performance of various tooth-coloured materials used to restore Non-Carious Cervical Lesions (NCCLs) has been evaluated. However, most of these evaluations were in western societies where soft diets requiring little mastication were common. The present study sets out to evaluate resin composite and RMGIC in the restoration of NCCLs among a Nigerian subpopulation group with fibrous diet requiring more rigorous mastication. The study included all adult patients that presented at the Dental Hospital, Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, Nigeria with non-carious cervical lesions over a period of six months. The teeth with non-carious cervical lesions in each patient were allocated into treatment with either resin composite or resin-modified glass ionomer cement by simple random sampling using ballots. The depth of the NCCLs was measured using a graduated flat ash periodontal probe. All the treatment was done by the first author according to the manufacturer's instructions. Patients were recalled and evaluated at 48- hours, 3- months, 6- months and 12- months using the USPHS criteria. Data analysis was done using SPSS version 15. The level of significance was put at 0.05. At the end of 12 months, 143 resin composite and 144 RMGIC restorations were evaluated, out of which 37 resin composite and 13 RMGIC restorations were dislodged, giving a retention rate of 74.1% and 91.0% respectively. The difference was statistically significant (pcarious cervical lesions than resin composite over a period of 12 month.

  20. Effect of training programme on secondary schools teachers' knowledge and attitude towards reproductive health education in rural schools Ile-Ife, Nigeria.

    Science.gov (United States)

    Adegbenro, Caleb; Adeniyi, J D; Oladepo, O

    2006-12-01

    This study assessed the effect of training programme on teachers' knowledge of and attitude towards reproductive health education /sexuality education [RHE/SE] in five randomly selected rural schools in Ife-North local government area [IFLGA], Southwest, Nigeria. All the 84 teachers in the selected schools in the LGA were recruited for the study. They [84 teachers] were all given training in RHE/SE for one month. Their knowledge and attitude towards RHE/SE were assessed pre-and post-training programme. The results show a significant increase in percentage of those who had good knowledge in general areas of RHE/SE at post-training assessment compared with pre-training assessment[from 14.3% to 53.6%, p=0.0001].Also, pre-post attitudinal disposition assessments show that there was an increase in percentage of those who were favourably disposed to the teaching of RHE/SE in Nigeria Schools at post-training assessment [from 17.9% to 45.2%, p=0.0011]. The study suggests that RHE/SE should be included and made compulsory in all training programme for all teachers in Nigeria.

  1. Molecular epidemiology of rotavirus and norovirus in Ile-Ife, Nigeria: high prevalence of G12P[8] rotavirus strains and detection of a rare norovirus genotype.

    Science.gov (United States)

    Oluwatoyin Japhet, Margaret; Adeyemi Adesina, Olufisayo; Famurewa, Oladiran; Svensson, Lennart; Nordgren, Johan

    2012-09-01

    Rotavirus (RV) and norovirus (NoV) are considered the most common causes of viral gastroenteritis in children. In this study, the prevalence of RV and NoV infection in 55 children with diarrhea from the rural community Akinlalu in Southwestern Nigeria was investigated using real-time PCR assays. The RV and NoV strains were genotyped by PCR and/or sequencing. RV and NoV infections occurred with a prevalence of 34.5% and 25.5% respectively, with predominance in children 99%) indicating introduction in Nigeria from a single donor. Furthermore, a putative novel genotype within genogroup I NoV was detected, which till date has only been reported once in humans. To conclude, a high prevalence of the emerging G12P[8] RV strain was observed for the first time in Nigeria, as well as a putative novel NoV genotype in humans. These results provide new information which can be important for future vaccine evaluations and possible introduction in Nigeria.

  2. Influence of nutritional status on some toxic and essential elements in the blood of women exposed to vehicular pollution in Ile-Ife, Nigeria.

    Science.gov (United States)

    Ojo, Joshua O; Oketayo, Oyedele O; Adesanmi, Charles A; Horvat, Milena; Mazej, Darja; Tratnik, Janja

    2014-01-01

    Blood levels of the elements Cu, Zn, Se, As, Cd, Hg, and Pb have been determined in 62 Nigerian women who were occupationally exposed to vehicular pollution. Mercury was determined using a direct mercury analyzer, while all the other elements were determined by an inductively coupled plasma mass spectrometer system. The mean values for all the toxic elements were all within the recommended desirable/tolerable limits, except for Se (0.44 μg/mL, compared with <0.2 μg/mL recommended by the WHO). More than 98% of the subjects had blood selenium levels higher than this recommended limit. For As, Hg, and Pb, the corresponding figures of subjects with blood levels above the recommended limits were 4, 8, and 19.3%, respectively. When the subjects were grouped according to their body mass indexes as normal, underweight, overweight, and obese, analysis of variance shows that mean blood levels of Cu, As, and, to some extent Hg were significantly different in the four nutritional status groups. Blood Hg level correlates significantly with blood As in all the groups, except in obese subjects. Also, a significant correlation between age and blood Hg was observed only in normal subjects and between age and blood Pb only in obese subjects. These results suggest that nutritional status could influence both elemental levels and the interactions between trace elements in the blood of female subjects. Nutrition is therefore a factor to consider in efforts to modify human susceptibility to toxic elements.

  3. Evaluation of the indications and arrhythmic patterns of 24 hour Holter electrocardiography among hypertensive and diabetic patients seen at OAUTHC, Ile-Ife Nigeria.

    Science.gov (United States)

    Adebayo, Rasaaq A; Ikwu, Amanze N; Balogun, Michael O; Akintomide, Anthony O; Mene-Afejuku, Tuoyo O; Adeyeye, Victor O; Bamikole, Olaniyi J; Bisiriyu, Luqman A; Ajayi, Olufemi E; Ogunyemi, Suraj A; Oketona, Omolola A

    2014-01-01

    There are very limited published studies in Nigeria on the use of 24 hour Holter electrocardiogram (Holter ECG) in the arrhythmic evaluation of hypertensive and diabetic patients. To evaluate indications, arrhythmic pattern of Holter ECG, and heart rate variability (HRV) among patients with hypertensive heart disease (HHD) with or without heart failure and type 2 diabetes mellitus (T2DM) seen in our cardiac care unit. Seventy-nine patients (32 males and 47 females) were studied consecutively over a year using Schiller type (MT-101) Holter ECG machine. Out of the 79 patients, 17 (21.5%) had HHD without heart failure, 33 (41.8%) had HHD with hypertensive heart failure (HHF), while 29 (36.7%) were T2DM patients. The mean (standard deviation) ages of HHD without heart failure, HHF and T2DM patients were 59.65 (±14.38), 65.15 (±14.30), and 54.66 (±8.88) respectively. The commonest indication for Holter ECG was palpitation (38%), followed by syncope (20.3%). Premature ventricular contraction was the commonest arrhythmic pattern among the 79 patients, especially among HHF patients. The HRV using standard deviation of all normal-normal intervals was significantly reduced in T2DM patients (81.03±26.33, confidence interval [CI] =71.02-91.05) compared to the HHD without heart failure (119.65±29.86, CI =104.30-135.00) and HHF (107.03±62.50, CI =84.00-129.19). There was a negative correlation between the duration of T2DM and HRV (r=-0.613). Palpitation was the commonest Holter ECG indication and premature ventricular contractions were the commonest arrhythmic pattern among our patients. HRV was reduced in T2DM patients compared with hypertensive patients.

  4. OF MATHOPHOBIA

    African Journals Online (AJOL)

    -Ohafemi/lwolowo University, Ile-Ife, Nigeria ... and achievement in mathematics and influence of mathophobia on students ... Over the years, research interests ... career interests as having interactions with students .... of prior performance on motivation and that motivation, ... enrolment: Testing the role of personal values.

  5. Alienation and Militancy in the Niger Delta : Hostage Taking and the ...

    African Journals Online (AJOL)

    through a neglect of development, and promotion of political thuggery in the electoral .... in relation to hostage taking in the Niger Delta. The third section ...... Delhi, India: Macmillan,. India Limited. .... Ile Ife: University of Ife Press. Worika, I.L. ...

  6. Pattern of deaths in females in a tertiary health center, south-west Nigeria

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    Omoniyi-Esan GO

    2011-09-01

    Full Text Available Olutoyin Omoniyi-Esan1, Olaejirinde Olaofe2, Mary Onwubuya2, Oluseyi Fadahunsi2, Akinwumi Komolafe11Department of Morbid Anatomy and Forensic Medicine, College of Health Sciences, Obafemi Awolowo University, 2Departments of Morbid Anatomy and Forensic Medicine, Obafemi Awolowo University Teaching Hospital, Ile-Ife, Osun State, NigeriaPurpose: The aim of this study was to review autopsies to determine the pattern of deaths in females at Wesley Guild Hospital, Ilesa, Nigeria.Methods: A 9-year retrospective study was done of all autopsies done on females in the Department of Morbid Anatomy and Forensic Medicine, Obafemi Awolowo University Teaching Hospitals Complex, Wesley Guild Hospital, Ilesa, Nigeria, from January 2002 to December 2010. Records of all autopsies done on females during the period were reviewed.Results: During the study period 215 cases of female death were autopsied. The age range was 0-75 years (mean = 32.9. Deaths due to trauma were most common (57.2%, followed by obstetric deaths (15.8%. Deaths due to infections and cardiovascular diseases accounted for 13% and 5.6%, respectively. Injuries sustained from automobile accidents were responsible for 88.6% of all trauma deaths. Gunshot injuries accounted was 4.9% of these trauma deaths. The causes of death from automobile accidents included multiple injuries (49.5%, head injury (38.5%, and hypovolemia (8.3%. Obstetric deaths were predominantly due to uterine sepsis (51.5% and hemorrhagic shock (39.4%. About 39% of deaths from infection were due to septicemia. Acute bacterial meningitis, acute lobar pneumonia, and malaria caused 23.1%, 15.4%, and 7.7% of deaths from infections, respectively. Four cases of sudden unnatural deaths (other than trauma were recorded.Conclusion: Trauma was the most common cause of death in women autopsied in our hospital, and automobile injuries were the most common causes of these trauma deaths. Obstetric deaths ranked second. Sepsis and hemorrhage were

  7. Dermatologic conditions in teenage adolescents in Nigeria

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    Henshaw EB

    2014-05-01

    Full Text Available Eshan B Henshaw,1 Olayinka A Olasode,2 Evelyn E Ogedegbe,3 Imaobong Etuk4 1Dermatology Unit, Department of Internal Medicine, University of Calabar, Calabar, Cross River State, 2Department of Dermatology, Obafemi Awolowo University, Ile-Ife, Osun State, 3Cedarcrest Hospital, Abuja, Federal Capital Territory, 4Department of Pediatrics, University of Calabar, Calabar, Cross River State, Nigeria Background: Skin disorders are common in adolescents, and the impact on quality of life can be enormous, particularly when viewed against the backdrop of the visibility of skin diseases and the psychologically vulnerable period of adolescence. However, few studies have documented the magnitude of skin disorders in this subset of individuals. We therefore estimated the point prevalence and pattern of dermatologic conditions in adolescents attending various secondary schools in Calabar, Southern Nigeria. Methods: Using a structured questionnaire, relevant sociodemographic information was obtained from 1,447 teenage adolescents from eight secondary schools. Thereafter, a whole body examination was conducted to determine the presence and types of skin disorders seen. Results: Skin diseases were seen in 929 students. The point prevalence was higher in males (72.1% than in females (58.3%. Private schools had a higher prevalence than public schools. The six most common dermatoses were acne vulgaris, pityriasis versicolor, nevi, tinea, miliaria, and keloid/hypertrophic scars, and accounted for over 80% of the dermatoses seen. Conclusion: The point prevalence of dermatoses in senior secondary school adolescents was 64.2%. Although a large number of skin disorders were observed, only a handful accounted for a significant proportion of the diseases seen. This increases the ease of training community health workers in the recognition and treatment of common skin diseases. Age, race, and climatic factors are important determinants of skin diseases in adolescents in

  8. Anticholinesterase constituents from the leaves of Spondias mombin L. (Anacardiaceae

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    Elufioye TO

    2017-08-01

    Full Text Available Taiwo Olayemi Elufioye,1 Efere M Obuotor,2 Joseph M Agbedahunsi,3 Saburi A Adesanya4 1Department of Pharmacognosy, Faculty of Pharmacy, University of Ibadan, Ibadan, 2Department of Biochemistry, 3Drug Research and Production Unit, Faculty of Pharmacy, 4Department of Pharmacognosy, Faculty of Pharmacy, Obafemi Awolowo University, Ile Ife, Osun, Nigeria Abstract: Spondias mombin has been used in traditional medicine for the management of several diseases, including memory loss. This study aimed to evaluate the cholinesterase inhibitory activity of the methanol extract of the leaves and its derived fractions, as well as carry out detailed phytochemical investigations leading to the isolation and characterization of bioactive compounds from the plant. The acetyl cholinesterase (AChE and butyryl cholinesterase (BUChE inhibitory activities were evaluated by colorimetric and thin-layer chromatography bioautographic assay techniques. The ethyl acetate fraction was most active against both enzymes, with percentage inhibition of 58.10 ± 1.08% and 52.66 ± 1.34% against AChE and BUChE, respectively. Three compounds, namely, botulin, campesterol and phytol, with IC50 of 0.88 μg/mL (AChE, 4.67 μg/mL (BuChE; 1.89 μg/mL (AChE, 4.08 μg/mL (BuChE and 12.51 μg/mL (AChE, 23.89 μg/mL (BuChE, respectively, were isolated from the supernatant of the ethyl acetate fraction. The isolated cholinesterase inhibitory compounds correlate with the known memory-enhancing property of the plant and thus support one of its uses in ethnomedicine. Keywords: Alzheimer’s disease, acetylcholinesterase, butyryl cholinesterase, neurodegenerative, Spondias mombin 

  9. An Evaluation of Functional, Aesthetic, Structural qualities and Satisfaction in Selected Students’ Housing for the University.

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    Muyiwa Lawrence Akinluyi

    2015-08-01

    Full Text Available The study evaluated the functional, Aesthetic, structural and satisfaction in students’ housing in selected Students’ Housing for the University, It examined the socio- economic characteristics of the users, evaluated functional, aesthetic, structural qualities in selected students’ housing for Obafemi Awolowo University and examined residential satisfaction in the halls. This was with a view to providing policy interventions for the designers of halls of residences for the Universities. Primary data were obtained through survey method. Obafemi Awolowo University (O.A.U was the University of Study for the research project. Five hostels at O.A.U were purposively selected to capture variation in gender, level of study and hostel design across the University. The sampling frame showed that 5,038 students at O.A.U were found in 1,078 rooms. One out of every five (20% were selected at O.A.U which amounted to 215 students sampled at O.A.U. Secondary data was obtained from the Physical Planning Department of O.A.U. The data collected were analyzed using descriptive and inferential statistics. The results from the frequency distribution shows that the functional qualities of the hostels were perceived among the students of O.A.U to be excellent (76.2% . Similarly, both aesthetics (79% and structural (82.3% qualities of the hostels are perceived as very good among the students of O.A.U. Also, all respondents of the hotels were not satisfied with various services and amenities provided in the Halls of Residence generally (40.0% and 39.1% expressed neutral satisfaction. The study concluded that, Functional, Aesthetic, Structural qualities and Satisfaction are important in the overall Students’ Housing for Obafemi Awolowo University.

  10. Effects of different soil amendments on the growth and yield of okra in a tropical rainforest of southwestern Nigeria

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    Adewole Moses B.

    2012-01-01

    Full Text Available This study investigated the effects of different soil enhancers on the growth response of okra [Abelmoschus esculentus (L. Moench] cultivated on a ‘contaminated’ field with sewage sludge from the two oxidation ponds of the Obafemi Awolowo University (OAU, Ile-Ife, Nigeria. This was with a view to assessing the growth performance and yield of the test crop under different soil amendments. Okra variety, NHAe 47-4 with NPK 12-12-17 (IO, compost organic fertilizer (OR, Glomus mosseae mycorrhiza (MY and zero fertilizer applications as control (CT was laid out in a completely randomised block design and each treatment plot (4 x 2 m was replicated four times. Selected weather parameters were collected from a meteorological station in OAU campus during the period of the experiments. Growth parameters such as plant height, stem girth and number of leaves of okra increased with added soil amendments from four weeks after planting in the order: IO > OR > MY > CT. In 2010, the highest mean yield of 16.3 t ha-1 obtained with 6.0 t ha-1 of MY was not significantly higher than 15.4 t ha-1 obtained with application of 0.2 t ha-1 of IO, but significantly (p < 0.05 higher than 13.1 and 10.4 t ha-1 obtained with applications of 6.0 and zero t ha-1 of OR and CT respectively. Comparative okra yield, though relatively higher with mycorrhizal inoculation, but lower with no soil amendment was obtained in 2011. The study concluded that a direct linear relationship existed between solar radiation and okra productivity. Also, for a moderately ‘treated field’ with sewage sludge from domestic wastes, arbuscular mycorrhizal fungi can be integrated into soil fertility management to achieve low-cost sustainable agricultural systems for enhanced productivity of okra.

  11. Work-Related Musculoskeletal Disorders among Health Workers in a Nigerian Teaching Hospital

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    Chidozie Emmanuel Mbada

    2012-10-01

    Full Text Available AIMS: Studies comparing the occurrence and characteristics of work – related musculoskeletal disorders (WMSDs across various occupational groups in the health sector from Sub-Sahara Africa are sparse. This study investigated the prevalence and pattern of WMSDs among health workers in Obafemi Awolowo University Teaching Hospitals complex, Ile-Ife, Nigeria. METHODS: An adapted questionnaire from the Nordic musculoskeletal questionnaire was used as the survey instrument. Data were collected on demographics, lifetime, 12-months and point prevalence, and pattern and consequence of WMSDs. A response rate of 91% was obtained in this study. RESULTS: Sixty eight point seven percent of the respondents have experienced WMSDs in their occupational lives with a higher percentage among males than females (39.6 vs.29.1%. The 12-months period and point prevalence rate of WMSDs was 64.4% and 48.2% respectively. WMSDs reported mostly for low back (50% followed by the shoulder (27.5% and knees (18.1%. Nurses (30.4% had the highest rate of WMSDs among the health workers. Most nurses with complaints (53.4% took a sick leave as a result of WMSDs, followed by doctors (32% and support staff (25%. CONCLUSIONS: WMSDs are common among health workers from Nigeria with the low back being injured most often. The rate of WMSDs and consequent sick leave is higher among nurses than other health workers. Preventive programmes on musculoskeletal disorders among health workers are recommended in order to reduce the rate of WMSDs among them and to promote efficiency in patient care. [TAF Prev Med Bull 2012; 11(5.000: 583-588

  12. GLOBALIZATION, INFORMATION AND COMMUNICATION TECHNOLOGIES (ICTs AND OPEN/DISTANCE LEARNING IN NIGERIA: Trends, Issues and Solution

    Directory of Open Access Journals (Sweden)

    Akande Joshua OLUSOLA

    2011-07-01

    Full Text Available The main thrust of this paper is to discuss the development of open and distance education in Nigeria and the major manifestations of the use of information and communication technologies (ICTs in education in open and distance learning. This study further discusses the importance and use of ICTs in open and distance learning in making education accessible to a larger population of students. From that vantage point this paper reviews the phenomenon of ICTs in open and distance learning in developing countries such as Nigeria. The paper identifies a number of issues that impede the effective optimization of ICTs in open and distance learning in developing countries. Prominent among the issues highlighted are poverty, intermittent supply of electricity and language barrier. The paper argues that these problems are to be tackled if the objective of enhancing the potentials of ICTs in open and distance learning in developing countries were to be achieved. On that note the current paper makes some humble suggestions on how to curtail the problems. The study employed descriptive method. An intact class of students that registered for the Bachelor of Education distance learning programme of the Faculty of Education of the Obafemi Awolowo University,Ile-Ife formed the samples used for the study. This was done to collect information on the factors affecting usage of ICT. The result shows that lack of skills rank highest (46.1%, following this is non availability of ICT at home (18.8%, costs (11.3% and non familiarity with ICT (10.6%.

  13. Early results of the posterior saggital anorectoplasty in the treatment of anorectal malformations in Nigerian children

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    Sowande O

    2006-01-01

    Full Text Available CONTEXT: The ultimate goal of reconstruction in anorectal malformations (ARM in children, is to create a functional and anatomically aesthetic neoanus. AIMS: To document our experience with the technique of PSARP in ARM and the immediate anatomical and functional outcome SETTINGS AND DESIGN: A retrospective study 39 patients with high and intermediate ARM, managed by the posterior saggital approach, at the Obafemi Awolowo University Teaching Hospital in Ile Ife, Nigeria MATERIALS AND METHODS: Patient′s bio-data were collected, as well as, the presentation, investigations, associated malformations, complications, average bowel opening per day and follow up. RESULTS: There were 17 males and 22 females (male: female ratio 1: 1.3. Twenty-three patients (59% and 15 patients (38.5%, had intermediate and high malformations respectively, while 1(2.5% had cloaca malformation. The mean age at presentation was 13.9±30.1 month (range 2 day to 15 years, while the mean age at PSARP was 21.6±29.9 months (range 2.5 days to 15 years. 3(7.6% patients required laparotomy to mobilize the rectal pouch from the abdomen. Mucosal prolapse was the most common significant postoperative problem, occurring in 4(10.3% patients. The average bowel motion was 3 times daily (range 1 to 8 times per day. CONCLUSIONS: The PSARP is a useful procedure for the correction of ARM, in children in developing countries, even in the absence of muscle stimulators. The immediate anatomical outcome is satisfactory, but functional results are difficult to access because of poor follow up.

  14. Human sex ratio at birth in South West Nigeria

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    Azeez M

    2007-01-01

    Full Text Available Background: Human sex ratio at birth differs from one population to the other. This variation has been attributed to cultural practices, seasonal variation, small-family size policy and sex selective technology. Information on secondary sex ratio in Nigeria is limited. Aims and Objective: To analyzed human sex ratio at birth for samples of the Nigerian population in 4 urban settings in Southwest Nigeria, in order to know the trend and to compare the findings with those of previous reports. Materials and Methods: Data were collected from Obafemi Awolowo University (OAU teaching hospital at Ile Ife and Wesley Guild hospital at Ilesa, Osun state; General hospital at Ogbomoso, Oyo state and Ekiti state specialist hospital at Ado-Ekiti, Ekiti state. The data consisted of 35 209 live single births recorded between 1995 and 2004. Each set of data was analyzed to determine the sex ratio by year, month and quarterly values. Chi-square analysis was used to determine the deviation of the sex ratios for the years from the average value. Results: The annual average ratios of 104.7:100, 102.8:100, 98.9:100 and 100.8:100 were recorded for OAU teaching hospital, Wesley Guild Hospital, General Hospital and Ekiti State specialist hospital, respectively. When pooled together, the average ratio was 102.7:100. This shows some bias for male births. Data also indicates more male birth in the rainy season, suggesting a seasonal variation of sex ratio. Conclusion: These findings are representative of the populations in southwest Nigeria and are comparable to values obtained for other regions in Nigeria and other populations of African origin.

  15. Prevalence of hypertension in three rural communities of Ife North Local Government Area of Osun State, South West Nigeria

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    Adebayo RA

    2013-12-01

    Full Text Available Rasaaq A Adebayo,1 Michael O Balogun,1 Rufus A Adedoyin,2 Oluwayemisi A Obashoro-John,3 Luqman A Bisiriyu,4 Olugbenga O Abiodun11Department of Medicine, 2Department of Medical Rehabilitation, Obafemi Awolowo University, 3Department of Adult Education, University of Lagos, 4Department of Demography and Social Statistics, Obafemi Awolowo University, Ile-Ife, Osun State, NigeriaBackground: The prevalence of hypertension is increasing rapidly in sub-Saharan Africa, but data are limited on hypertension prevalence. In addition, few population-based studies have been conducted recently in Nigeria on the prevalence and correlates of hypertension in both urban and rural communities. Therefore, we determined the prevalence of hypertension in adults in the three rural communities of Ipetumodu, Edunabon, and Moro, in South West Nigeria.Materials and methods: One thousand adults between 15 and 90 years of age were recruited into this cross-sectional study, over a 6-month period, using a multistage proportional stratified random sampling technique. Sociodemographic data and anthropometric variables were obtained, and resting blood pressure (BP was measured using an electronic sphygmomanometer. Diagnosis of hypertension was based on the JNC VII guidelines, the WHO/ISH 1999 guidelines, and the BP threshold of 160/95 mmHg.Results: Four hundred and eighty-six men (48.6% men and 514 women (51.4% participated in the study. Their mean age, weight, height, and body mass index were 32.3±14.7 years, 62±13 kg, 1.5±0.1 m, and 23.02 kg/m2, respectively. The prevalence of hypertension, based on the 140/90 mmHg definition, was 26.4% (Male: 27.3%; Female: 25.4%. The prevalence of hypertension, based on the 160/95 mmHg definition, was 11.8% (Male: 13.5%; Female: 10.1%. There were significant positive correlations between BP and some anthropometric indicators of obesity.Conclusion: The prevalence of hypertension in the three rural communities was 26.4%, indicating a trend

  16. SEXUALLY TRANSMITTED INFECTIONS IN OBAFEMI AWOLOWO

    African Journals Online (AJOL)

    there has been an increase in viral natural disasters. Social factors which conditions ... immunodefieciency virus (HIV) and the acquire STIs; even the unborn child is not acquired immune ... examinations (wet preparation and Gram stain) were ...

  17. Universe

    CERN Document Server

    2011-01-01

    Updated for 2011, the Universe, is one book in the Britannica Illustrated Science Library Series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics-more than 1,000 per title-combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

  18. Universe

    CERN Document Server

    2009-01-01

    The Universe, is one book in the Britannica Illustrated Science Library Series that is correlated to the science curriculum in grades 5-8. The Britannica Illustrated Science Library is a visually compelling set that covers earth science, life science, and physical science in 16 volumes.  Created for ages 10 and up, each volume provides an overview on a subject and thoroughly explains it through detailed and powerful graphics-more than 1,000 per volume-that turn complex subjects into information that students can grasp.  Each volume contains a glossary with full definitions for vocabulary help and an index.

  19. Evaluación y calificación de resúmenes de textos expositivos en el aula de ILE/IFE: la guía "BABAR"

    Directory of Open Access Journals (Sweden)

    Irina Argüelles Álvarez

    2004-10-01

    Full Text Available Los estudiantes de Inglés para Fines Específicos (IFE practican la técnica del resumen en el aula cuando trabajan con textos expositivos relacionados con sus estudios. Si se lleva el resumen al aula dentro de una perspectiva pedagógica en la que enseñanza y evaluación se entienden como ligadas en el sistema de enseñanza-aprendizaje, se llega a la cuestión de cómo evaluar el resumen escrito por un estudiante. Para que sea formativa, la evaluación debe responder a distintas preguntas: ¿Qué está bien? ¿Qué está peor? ¿Qué puede hacerse para mejorar? En el caso concreto del resumen, no es sólo importante la calidad de la expresión escrita, sino que debe tenerse en cuenta también la calidad con la que el escritor recoge el mensaje en general y, en particular, las ideas básicas de un texto origen; además, en el contexto de IFE intervienen factores lingüísticos fundamentales. Aunque se han propuesto baremos para evaluar la expresión escrita, es difícil encontrar guías para evaluar resúmenes y, por esta razón, este trabajo repasa algunas de las propuestas de evaluación de la expresión escrita más conocidas y aporta un baremo para la calificación de resúmenes de textos expositivos en el aula de IFE.

  20. Health care for under-fives in Ile-Ife, South-West Nigeria: Effect of the Integrated Management of Childhood Illnesses (IMCI strategy on growth and development of under-fives

    Directory of Open Access Journals (Sweden)

    Olufunke M. Ebuehi

    2009-04-01

    Full Text Available Background: The study obtained information on key growth promotion and developmental household and community health practices in Community-Integrated Management of Childhood Illnesses (C-IMCI and non-C-IMCI in local government areas (LGAs in Osun State, Nigeria, to determine the differences that existed, between these LGAs.Method: A cross-sectional comparative study to compare Integrated Management of Childhood Illnesses (IMCI key growth promotion and development health practices in two LGAs in Osun State was conducted using quantitative and qualitative techniques. Data analysis was done using Epi Info version 6.0 for the quantitative survey and a content analysis method for the qualitative survey. The subjects were mothers or caregivers of children 0–59 months of age, and their index children.Results: Findings revealed that the IMCI key growth and development health practices were generally better rated in the CIMCI-compliant LGA than in the non-CIMCI compliant LGA. Breastfeeding practice was widespread in both LGAs. However, the exclusive breastfeeding (EBF rate among children under six months was higher in the compliant LGA (66.7% than in the non-compliant LGA (25%. More caregivers (59.7% from the non-compliant LGA introduced complementary feeds earlier than six months. Growth monitoring activities revealed that there were more underweight children (19.1% in the non-compliant LGA. Community Resource Persons (CORPs and health workers were the most popular sources of information on IMCI key practices in the compliant LGA, while in the non-compliant LGA the traditional healers, elders and, to a lesser extent, health workers provided information on these key practices.Conclusion: The IMCI strategy, if well implemented, is an effective and low-cost intervention that is useful in achieving optimal growth, development and survival of Nigerian children.

  1. Health care for under-fives in Ile-Ife, South-West Nigeria: Effect of the Integrated Management of Childhood Illnesses (IMCI strategy on growth and development of under-fives

    Directory of Open Access Journals (Sweden)

    Olufunke M. Ebuehi

    2009-04-01

    Full Text Available Background: The study obtained information on key growth promotion and developmental household and community health practices in Community-Integrated Management of Childhood Illnesses (C-IMCI and non-C-IMCI in local government areas (LGAs in Osun State, Nigeria, to determine the differences that existed, between these LGAs.Method: A cross-sectional comparative study to compare Integrated Management of Childhood Illnesses (IMCI key growth promotion and development health practices in two LGAs in Osun State was conducted using quantitative and qualitative techniques. Data analysis was done using Epi Info version 6.0 for the quantitative survey and a content analysis method for the qualitative survey. The subjects were mothers or caregivers of children 0–59 months of age, and their index children.Results: Findings revealed that the IMCI key growth and development health practices were generally better rated in the CIMCI-compliant LGA than in the non-CIMCI compliant LGA. Breastfeeding practice was widespread in both LGAs. However, the exclusive breastfeeding (EBF rate among children under six months was higher in the compliant LGA (66.7% than in the non-compliant LGA (25%. More caregivers (59.7% from the non-compliant LGA introduced complementary feeds earlier than six months. Growth monitoring activities revealed that there were more underweight children (19.1% in the non-compliant LGA. Community Resource Persons (CORPs and health workers were the most popular sources of information on IMCI key practices in the compliant LGA, while in the non-compliant LGA the traditional healers, elders and, to a lesser extent, health workers provided information on these key practices.Conclusion: The IMCI strategy, if well implemented, is an effective and low-cost intervention that is useful in achieving optimal growth, development and survival of Nigerian children.

  2. Communicable disease-related sudden death in the 21st century in Nigeria

    Directory of Open Access Journals (Sweden)

    Akinwusi PO

    2013-10-01

    Full Text Available Patience Olayinka Akinwusi,1,2 Akinwumi Oluwole Komolafe,3 Olanrewaju Olayinka Olayemi,2 Adeleye Abiodun Adeomi4 1Department of Medicine, College of Health Sciences, Osun State University, Osogbo, Osun State, Nigeria; 2Department of Medicine, Ladoke Akintola University of Technology Teaching Hospital, Osogbo, Osun State, Nigeria; 3Department of Morbid Anatomy, Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, Osun State, Nigeria; 4Department of Community Medicine, Ladoke Akintola University of Technology Teaching Hospital, Ogbomoso, Oyo State, Nigeria Background: Some cases of sudden death (SD have been attributed to communicable diseases (CD in middle- and low-income countries of the world even in this 21st century. CDs produce clinical symptoms and signs over several days before culminating in death. They are also amenable to treatment with antimicrobials if affected persons present early. We sought to find out the incidence of CD-related SD at the Ladoke Akintola University of Technology Teaching Hospital (Osogbo, Osun State, Nigeria – a tertiary health facility in southwest Nigeria – and the prevailing associated factors. Methods: We conducted a retrospective study of CD-related SD in adult patients aged 18 years and older that occurred from January 2003 to December 2011. The Statistical Package for the Social Sciences version 16 was used for analysis of the generated data. Percentages and frequencies were calculated. Results: There were 17 (39.6% CD-related SDs out of the 48 cases of SD studied. CD-related SD also accounted for 2.4% of all adult medical admissions. The mean age of the patients was 37.6 ± 11.6 years, age range of 25–62 years, mode of 25 years, and median 34 years. The male-to-female ratio was 1.8:1. Typhoid sepsis was responsible for SD in 47.1% of patients, pulmonary tuberculosis in 17.7% of patients, and lobar pneumonia in 17.7% of patients. The most affected age group was the 20–29-year-old group

  3. Clinical presentation and visual status of retinitis pigmentosa patients: a multicenter study in southwestern Nigeria

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    Onakpoya OH

    2016-08-01

    Full Text Available Oluwatoyin Helen Onakpoya,1 Caroline Olufunlayo Adeoti,2 Tunji Sunday Oluleye,3 Iyiade Adeseye Ajayi,4 Timothy Majengbasan,4,5 Olayemi Kolawole Olorundare1 1Department of Ophthalmology, Obafemi Awolowo University Teaching Hospital, Ile-Ife, 2Department of Ophthalmology, Ladoke Akintola University of Technology Teaching Hospital, Osogbo, 3Department of Ophthalmology, University College Hospital, Ibadan, 4Department of Ophthalmology, University Teaching Hospital, Ado-Ekiti, 5Department of Ophthalmology, Federal Medical Centre, Ido-Ekiti, Nigeria Background: To review the visual status and clinical presentation of patients with retinitis pigmentosa (RP.Methodology: Multicenter, retrospective, and analytical review was conducted of the visual status and clinical characteristics of patients with RP at first presentation from January 2007 to December 2011. Main outcome measure was the World Health Organization’s visual status classification in relation to sex and age at presentation. Data analysis by SPSS (version 15 and statistical significance was assumed at P<0.05.Results: One hundred and ninety-two eyes of 96 patients with mean age of 39.08±18.5 years and mode of 25 years constituted the study population; 55 (57.3% were males and 41 (42.7% females. Loss of vision 67 (69.8% and night blindness 56 (58.3% were the leading symptoms. Twenty-one (21.9% patients had a positive family history, with RP present in their siblings 15 (71.4%, grandparents 11 (52.3%, and parents 4 (19.4%. Forty (41.7% were blind at presentation and 23 (24% were visually impaired. Blindness in six (15% patients was secondary to glaucoma. Retinal vascular narrowing and retinal pigmentary changes of varying severity were present in all patients. Thirty-five (36.5% had maculopathy, 36 (37.5% refractive error, 19 (20% lenticular opacities, and eleven (11.5% had glaucoma. RP was typical in 85 patients (88.5%. Older patients had higher rates of blindness at presentation (P=0

  4. Maternal ophthalmic artery Doppler velocimetry in pre-eclampsia in Southwestern Nigeria

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    Olatunji RB

    2015-07-01

    Full Text Available Richard Busayo Olatunji,1 Ademola Joseph Adekanmi,1 Millicent Olubunmi Obajimi,1 Olumuyiwa Adebola Roberts,2 Temitope Olumuyiwa Ojo3 1Department of Radiology, 2Department of Obstetrics and Gynaecology, University College Hospital, Ibadan, Oyo State, 3Department of Community Medicine, Obafemi Awolowo University Teaching Hospital Complex, Ile-Ife, Osun State, Nigeria Background: Pre-eclampsia (PE poses a serious challenge to maternal and fetal health in Africa. It is associated with hemodynamic changes that may affect the internal carotid/ophthalmic artery circulation with consequent neuro-ophthalmic manifestations. Ophthalmic artery Doppler (OAD ultrasound is an important tool that can be used to detect hemodynamic changes in PE and monitor its severity. In this study, we evaluated hemodynamic changes on OAD ultrasound in the ophthalmic arteries of pre-eclamptic women and compared these with values in healthy pregnant women. Methods: OAD parameters, such as, peak systolic velocity, peak diastolic velocity, end diastolic velocity, pulsatility index, and peak ratio, were measured on transorbital triplex ultrasound scan with a 7–10 MHz multifrequency linear transducer in 42 consenting pre-eclamptic patients and 41 pregnant controls matched for maternal age, gestational age, and parity at the Department of Radiology, University College Hospital, Ibadan. Univariate, bivariate, and receiver operating characteristic curve data analyses were performed. P<0.05 was considered to be statistically significant. Results: Mean resistivity index, pulsatility index, and peak systolic velocity were significantly lower in pre-eclamptic patients than in the controls. Mean peak diastolic velocity, end diastolic velocity, and peak ratio were significantly higher in the pre-eclamptic group. The receiver operating characteristic curve showed that the resistivity index (sensitivity 75%, specificity 77.8% could distinguish mild from severe PE while the peak ratio

  5. Critical role of ethics in clinical management and public health response to the West Africa Ebola epidemic

    Directory of Open Access Journals (Sweden)

    Folayan MO

    2016-05-01

    Full Text Available Morenike O Folayan1,2 Bridget G Haire3 Brandon Brown4 1Institute of Public Health, 2Department of Child Dental Health, Obafemi Awolowo University, Ile-Ife, Nigeria; 3Kirby Institute for Infection and Immunity in Society, University of New South Wales, Sydney, NSW, Australia; 4Center for Healthy Communities, Department of Social Medicine and Population Health, University of California Riverside School of Medicine, Riverside, CA, USA Abstract: The devastation caused by the Ebola virus disease (EVD outbreak in West Africa has brought to the fore a number of important ethical debates about how best to respond to a health crisis. These debates include issues related to prevention and containment, management of the health care workforce, clinical care, and research design, all of which are situated within the overarching moral problem of severe transnational disadvantage, which has very real and specific impacts upon the ability of citizens of EVD-affected countries to respond to a disease outbreak. Ethical issues related to prevention and containment include the appropriateness and scope of quarantine and isolation within and outside affected countries. The possibility of infection in health care workers impelled consideration of whether there is an obligation to provide health services where personal protection equipment is inadequate, alongside the issue of whether the health care workforce should have special access to experimental treatment and care interventions under development. In clinical care, ethical issues include the standards of care owed to people who comply with quarantine and isolation restrictions. Ethical issues in research include appropriate study design related to experimental vaccines and treatment interventions, and the sharing of data and biospecimens between research groups. The compassionate use of experimental drugs intersects both with research ethics and clinical care. The role of developed countries also came under

  6. Low dose aspirin therapy and renal function in elderly patients

    Directory of Open Access Journals (Sweden)

    Akinwusi PO

    2013-01-01

    Full Text Available Patience Olayinka Akinwusi,1,2 Rotimi Oluyombo,2 Paul Sunday Ogunro,3 Adetunji Oladeni Adeniji,4 Oluyomi Olusola Okunola,5 Olugbenga Edward Ayodele21Department of Medicine, Osun State University, Osogbo, Osun State, Nigeria; 2Department of Medicine, LAUTECH Teaching Hospital, Osogbo, Osun State, Nigeria; 3Department of Chemical Pathology, LAUTECH Teaching Hospital, Osogbo, Osun State, Nigeria; 4Department of Obstetrics and Gynecology, LAUTECH Teaching Hospital, Osogbo, Osun State, Nigeria; 5Department of Medicine, Obafemi Awolowo University, Ile-Ife, Osun State, NigeriaPurpose: To determine whether low dose aspirin has any deleterious effects on renal function in elderly patients.Methods: We conducted a prospective pilot study of 30 Nigerians older than 60 years with various chronic ailments necessitating the use of low dose aspirin. Patients gave their consent, and institutional ethical clearance was obtained. Each patient's baseline samples at enrolment (before commencing aspirin use served as a control, and subsequent weekly samples were compared. The weekly mean of each parameter was calculated, and the differences of means from baseline were determined, and values were compared for statistical differences with the Statistical Package for the Social Sciences, version 16.Results: We found that a majority of patients (86.67% had basal renal functions at chronic kidney disease stages 1 and 2. When compared with the corresponding baseline parameters, the mean weekly serum and urinary electrolytes, urea, creatinine, and uric acid parameters did not change, and the P-value did not show any statistical significance. However, there was positive statistical significance for the creatinine clearance (P = 0.025. Also, unlike in previous studies, anemia and hypoalbuminemia did not affect the renal function parameters.Conclusion: This study did not show any deleterious effects with short-term, low dose (75 mg daily aspirin use on kidney functions in

  7. Pulmonary hypertension in Nigerian adults with sickle cell anemia

    Directory of Open Access Journals (Sweden)

    Amadi VN

    2017-05-01

    Full Text Available Valentine N Amadi,1 Michael O Balogun,2 Norah O Akinola,3 Rasaaq A Adebayo,2 Anthony O Akintomide2 1Department of Internal Medicine, Federal Medical Centre, Asaba, Delta State, 2Cardiac Care Unit, Department of Medicine, 3Department of Haematology and Blood Transfusion, Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, Osun State, Nigeria Background: Sickle cell anemia (SCA is the commonest hemoglobinopathy and is associated with high morbidity and mortality. Pulmonary hypertension (PH is reported to play a significant role in this regard. There is very limited literature on PH in SCA in Nigeria.Objectives: The objectives of this study were to determine the prevalence of Doppler-derived PH in SCA, assess its influence on exercise capacity, and determine the correlates and predictors of measures of estimated pulmonary pressure.Methods: A total of 92 SCA subjects had echocardiography and 6-minute self-paced walking exercise. PH was diagnosed by Doppler echocardiography on finding a tricuspid regurgitant velocity (TRV of ≥2.5 m/s. The pulmonary flow profile was also assessed to estimate mean pulmonary arterial pressure (MPAP.Results: Doppler-derived PH was detected in 23.9% of adults with SCA. The 6-minute walking distance (6MWD was significantly lower in SCA adults with PH than in those without PH (380.33 ± 63.17 m vs 474.28 ± 76.74 m; p = 0.014. TRV and estimated MPAP had a significant inverse correlation with the 6MWD (r = -0.442; p < 0.001 and r = -0.571; p < 0.001, respectively.Conclusion: PH as derived by Doppler is common in Nigerian adults with SCA and has a significantly negative influence on exercise capacity. Screening for PH should be encouraged to optimize management and thus improve their quality of life and life expectancy. Keywords: pulmonary hypertension, Nigerian adults, sickle cell anemia, doppler-derived

  8. Management of overt upper gastrointestinal bleeding in a low resource setting: a real world report from Nigeria.

    Science.gov (United States)

    Alatise, Olusegun I; Aderibigbe, Adeniyi S; Adisa, Adewale O; Adekanle, Olusegun; Agbakwuru, Augustine E; Arigbabu, Anthony O

    2014-12-10

    Upper gastrointestinal bleeding (UGIB) remains a common medical problem worldwide that has significant associated morbidity, mortality, and health care resource use. This study outlines the aetiology, clinical presentation, and treatment outcomes of patients with UGIB in a Nigerian low resource health facility. This was a descriptive study of consecutive patients who underwent upper gastrointestinal (GI) endoscopy for upper GI bleeding in the endoscopy unit of the Obafemi Awolowo University Teaching Hospital Complex, Ile-Ife, Osun State, Nigeria from January 2007 to December 2013. During the study period, 287 (12.4%) of 2,320 patients who underwent upper GI endoscopies had UGIB. Of these, 206 (72.0%) patients were males and their ages ranged from 3 to 100 years with a median age of 49 years. The main clinical presentation included passage of melaena stool in 268 (93.4%) of individuals, 173 (60.3%) had haematemesis, 110 (38.3%) had haematochezia, and 161 (56.1%) were dizzy at presentation. Observed in 88 (30.6%) of UGIB patients, duodenal ulcer was the most common cause, followed by varices [52 (18.1%)] and gastritis [51 (17.1%)]. For variceal bleeding, 15 (28.8%) and 21 (40.4%) of patients had injection sclerotherapy and variceal band ligation, respectively. The overall rebleeding rate for endoscopic therapy for varices was 16.7%. For patients with ulcers, only 42 of 55 who had Forrest grade Ia to IIb ulcers were offered endoscopic therapy. Endoscopic therapy was áin 90.5% of the cases. No rebleeding followed endoscopic therapy for the ulcers. The obtained Rockall scores ranged from 2 to 10 and the median was 5.0. Of all patients, 92.7% had medium or high risk scores. An increase in Rockall score was significantly associated with length of hospital stay and mortality (p < 0.001). The overall mortality rate was 5.9% (17 patients). Endoscopic therapy for UGIB in a resource-poor setting such as Nigeria is feasible, significantly reduces morbidity and mortality

  9. Heart rate variability and arrhythmic patterns of 24-hour Holter electrocardiography among Nigerians with cardiovascular diseases

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    Adebayo RA

    2015-06-01

    Full Text Available Rasaaq Ayodele Adebayo, Amanze Nkemjika Ikwu, Michael Olabode Balogun, Anthony Olubunmi Akintomide, Olufemi Eyitayo Ajayi, Victor Oladeji Adeyeye, Tuoyo Omasan Mene-Afejuku, Olaniyi James Bamikole, Suraj Adefabi Ogunyemi, Adeola Olubunmi Ajibare, Omolola Abiodun OketonaCardiology Unit, Department of Medicine, Obafemi Awolowo University Teaching Hospitals Complex (OAUTHC, Ile-Ife, Osun State, NigeriaBackground: Facilities for Holter electrocardiography (ECG monitoring in many Nigerian hospitals are limited. There are few published works in Nigeria on the use of 24-hour Holter ECG in cardiac arrhythmic evaluation of patients with cardiovascular diseases.Objective: To study the clinical indications, arrhythmic pattern, and heart rate variability (HRV among subjects referred for 24-hour Holter ECG at our Cardiac Care Unit.Methods: Three-hundred and ten patients (134 males and 176 females were studied consecutively over a 48-month period using Schiller type (MT-101 Holter ECG machine.Results: Out of the 310 patients reviewed, 134 were males (43.2% and 176 were females (56.8%. The commonest indication for Holter ECG was palpitation followed by syncope in 71 (23% and 49 (15.8% of subjects, respectively. Premature ventricular complex and premature atrial complex were the commonest types of arrhythmia in 51.5% and 15% subjects, respectively. Ventricular arrhythmia was more prevalent in dilated cardiomyopathy patients (85.7%. The HRV of subjects with palpitation, stroke, and diabetes mellitus with autonomic neuropathy, using standard deviation of normal to normal intervals average (milliseconds, were 107.32±49.61, 79.15±49.15, and 66.50±15.54, respectively. The HRV, using standard deviation of averages of normal to normal intervals average (milliseconds, of patients with palpitation, stroke, and diabetes mellitus with autonomic neuropathy were 77.39±62.34, 57.82±37.05, and 55.50±12.71, respectively.Conclusion: Palpitation and syncope were the

  10. Prescription pattern and prevalence of potentially inappropriate medications among elderly patients in a Nigerian rural tertiary hospital

    Directory of Open Access Journals (Sweden)

    Fadare JO

    2013-03-01

    Full Text Available Joseph O Fadare,1 Segun Matthew Agboola,2 Olumide Augustine Opeke,3 Rachel A Alabi41Department of Medical Pharmacology and Therapeutics, Obafemi Awolowo University, Ile-Ife, Nigeria; 2Department of Family Medicine, 3Department of Internal Medicine, 4Pharmacy Department, Federal Medical Centre, Ido-Ekiti, NigeriaIntroduction: Polypharmacy and inappropriate prescriptions are prominent prescribing issues with elderly patients. Beers criteria and other guidelines have been developed to assist in the reduction of potentially inappropriate medications prescribed to elderly patients. The objectives of this study were to assess the prescribing pattern for elderly Nigerian outpatients and estimate the prevalence of potentially inappropriate medications among them using the Beers criteria.Methodology: This was a prospective cross-sectional study of elderly patients (65 years and above who were attending the general outpatients clinic of a rural Nigerian hospital. For the drug utilization aspect of the study, drug-use indicators were assessed using established World Health Organization guidelines, while the Beers criteria was used to screen for potentially inappropriate medications.Result: The medical records of 220 patients aged 65 years and above were utilized for the study. A total of 837 drugs were prescribed for the patients, giving an average of 3.8 ± 1.3 drugs per person. Antihypertensive drugs accounted for 30.6% of the prescriptions, followed by multivitamins/food supplements (11.5% and analgesics (10.8%. A review of the prescribed medications using the 2012 Updated Beers Criteria by the American Geriatric Society identified 56 patients with at least one potentially inappropriate medication prescribed giving a rate of 25.5%. The drug groups identified were nonsteroidal anti-inflammatory drugs, antihistamines, and amitriptyline.Conclusion: Polypharmacy and prescription of potentially inappropriate medications are major therapeutic issues in

  11. Original Article Hospital Acquired Infection in Obafemi Awolowo ...

    African Journals Online (AJOL)

    2011-08-07

    Aug 7, 2011 ... The Intensive Care Unit (ICU) had the highest period prevalence of 14.7% ... Surgical ward contributed the highest number of cases with 433. .... Psychiatric Ward. + ... Children Emergency .... Laboratory Biosafety Manual (2nd.

  12. Disposition of Mobile Phones among University Students in Nigeria

    Directory of Open Access Journals (Sweden)

    Sururah Bello

    2015-11-01

    Full Text Available A number of studies on Mobile Phone in Nigeria focused on its usage to alleviate some of the problems in the country. Mobile phones have become an essential personal belonging among the Nigerian students. There is a need to look into possible problems created by the advent of this ICT tool after a decade of its introduction. This study examined at behavioral tendency of mobile phone usage among University students in Nigeria from Social Computing perspective. A survey-based study was carried out among 2000 students of Obafemi Awolowo University (OAU in Nigeria. The study confirmed that Nigerian students also associate some health risks to mobile phone usage. SAR value of a generic phone was simulated using the SEMCAD X V14.8 software used over a Phantom human head in a 6 minutes continuous call. The result of the simulation showed that for a 10g tissue the Max. SAR value is 1.74W/Kg which is still within the allowable limit of 2.0W/Kg specified for 10g tissue. Hence the study has further confirmed that no health hazard has been found with the use of mobile phones. The study suggested that the infiltration of mobile phones has altered the academic and personal life style of the students which may in turn have adverse effect on their academic performance. Further study is needed to establish the extent of damage to the academic performance of the Nigerian students. Further research is also needed to determine the effect of proliferation of foreign-used phones as well as supposedly new but not world standard phones on Nigerian Environment.

  13. Disposition of Mobile Phones among University Students in Nigeria

    Directory of Open Access Journals (Sweden)

    Sururah Bello

    2014-03-01

    Full Text Available A number of studies on Mobile Phone in Nigeria focused on its usage to alleviate some of the problems in the country. Mobile phones have become an essential personal belonging among the Nigerian students. There is a need to look into possible problems created by the advent of this ICT tool after a decade of its introduction. This study examined at behavioral tendency of mobile phone usage among University students in Nigeria from Social Computing perspective. A survey-based study was carried out among 2000 students of Obafe mi Awolowo University (OAU in Nigeria. The study confirmed that Nigerian students also associate some health risks to mobile phone usage. SAR value of a generic phone was simulated using the SEMCAD X V14.8 software used over a Phantom human head in a 6 minutes continuous call. The result of the simulation showed that for a 10g tissue the Max. SAR value is 1.74W/Kg which is still within the allowable limit of 2.0W/Kg specified for 10g tissue. Hence the study has further confirmed that no health hazard has been found with the use of mobile phones. The study suggested that the infiltration of mobile phones has altered the academic and personal life style of the students which may in turn have adverse effect on their academic performance. Further study is needed to establish the extent of damage to the academic performance of the Nigerian students. Further research is also needed to determine the effect of proliferation of foreign-used phones as well as supposedly new but not world standard phones on Nigerian Environment

  14. MORPHOMETRIC EFFECTS OF COLA NITIDA EXTRACT ON THE STOMACH OF ADULT MALE WISTAR RATS

    Directory of Open Access Journals (Sweden)

    Ojo Gideon B

    2010-01-01

    Full Text Available Cola nut was investigated for possible harmful effect on the morphology of the stomach, considering its wide consumption and documented antioxidant properties.Twenty-five Adult male Wistar rats with average weight of 167.6 g and randomly divided into five groups A, B, C, D and E each containing five animals. Care of the animal according to the Rules and Guidelines of the Animal Right Committee of the Obafemi Awolowo University, Ile-Ife, Nigeria was adopted. The rats in group A (control were given distilled water while animals in experimental groups B, C, D and E were each given 600 mg/kg body weight of crude extract of Cola nitida by oral intubation for consecutive three, five, seven and nine days respectively and sacrificed. The stomach was excised, quickly fixed in 10% formal saline and processed histologically, using routine haematoxylin and eosin (H and E stain. The stained sections were subjected to morphometrics analysis at a magnification of sign 40 using the eye piece micrometer procedure.The result revealed a significant reduction in the epithelia thickness of the experimental animals, (Groups A=218.40 µm ± 144.61 vs. B=117.00 µm ± 34.88, C=124.80 µm ± 87.01, D=96.60 µm ± 60.04 and E=108.57 µm ± 122.16 (t=3.04, 2.48, 3.57 and 2.58 respectively, p 0.05 and (A=148.20 µm ± 50.56 vs. B=109.20 µm ± 22.27, C=117.00 µm ± 11.07, D=124.80 µm ± 71.67, E=162.86 µm ± 112.35 (t=1.58, 1.35, 0.60, and 0.46 respectively, p<0.05.The thickness of the muscularis mucosa and muscularis externa were significantly increased by the extract, (Groups A=140.40 µm ± 95.84 vs. B=358.80 µm ± 323.07, C=260.00 µm ± 32.89, D=306.80 µm ± 148.90, E=374.83 µm ± 175.44 (t=7.16, 6.36, 3.83, and 2.89 respectively, p<0.05 and (140.4 µm ± 47.94 vs. B=358.80 µm ±161.53, C=260.00 µm ± 16.44, D=306.80 µm ± 74.44, E=374.83 µm ± 87.72 (t=2.90, 5.22, 4.20, and 5.22 respectively, p<0.05.It is therefore evident that the consumption of cola nut

  15. Universal Usability

    Science.gov (United States)

    Horton, Sarah; Leventhal, Laura

    Universal usability of World Wide Web (Web) environments—that is, having 90% of households as successful users—requires universal access, usability, and universal design. Factors such as Web technology and user-centered design contribute to universal access and usability, but key to universal usability is a universal design methodology. Universal design principles for the Web follow from universal design principles for the built environment, and emphasize perceptibility, self-explanation, and tailorability for the user. Universally usable Web environments offer the benefit of expanded participation, as well as the unanticipated benefits that generally follow from innovative design initiatives. However, to achieve Web universal usability, Web designers need tools that facilitate the design of intuitive interfaces without sacrificing universal access.

  16. Biokemistri

    African Journals Online (AJOL)

    Chibuike

    The kidneys are responsible for urine production as well as a number of other ... University of Technology and Obafemi Awolowo University .... ammonia. Anal. Chem. 464-469. Philipneri M and Bastani B (2001) Kidney disease in patients with.

  17. ISSN 2073 ISSN 2073-9990 East Cent. Afr. J. surg. (Online) 9990 ...

    African Journals Online (AJOL)

    Prof Kakande

    prevalence was initially high in the developed countries such as the United .... Clinical pattern and management of gastric cancer in Ile-Ife, Nigeria. Arab J ... Colorectal carcinoma: Why is there a lower incidence in Nigerians when compared to.

  18. Download this PDF file

    African Journals Online (AJOL)

    2009-03-12

    Mar 12, 2009 ... Global Outreach Programs has made the fight against. CKD one of its major ... Undiagnosed Hypertension and Proteinuria in a Market Population in Ile-Ife, Nigeria .... shown to be associated with CKD, these include, ageing,.

  19. Browse Title Index

    African Journals Online (AJOL)

    Items 701 - 750 of 1965 ... ... in carcinomas of the female breast in an African population, Abstract PDF ... myocutaneous flap for groin reconstruction: Case report, Abstract PDF .... in patients with tuberculosis on directly observed therapy at Ile-Ife, ...

  20. ife, southwestern nigeria

    African Journals Online (AJOL)

    Osondu

    and prevention of malaria, and the factors of vulnerability to malaria in, Ile-Ife, Nigeria. Data on ... African countries with high prevalence rate of ... methods for mapping disease occurrence has .... respondent which includes age, sex, marital.

  1. a profile of wound infections in national hospital abuja

    African Journals Online (AJOL)

    boaz

    Iregbu KC1, Uwaezuoke NS, Nwajiobi-Princewill IP, Eze SO, Medugu N , Shettima S, Modibbo Z. .... particularly to the third generation cephalosporins and gentamicin. This level ... Wonud infections in two health institutionsin Ile Ife, Nigeria:A.

  2. Research

    African Journals Online (AJOL)

    abp

    2014-05-24

    May 24, 2014 ... The prevalence and factors associated with anaemia were also evaluated. ... energy malnutrition in children who were less than 60 months. The ..... determinants in a semi-rural community of Ile-Ife, Osun State,. Nigeria.

  3. Zhejiang University

    Institute of Scientific and Technical Information of China (English)

    玄之

    2008-01-01

    In September 1998,a new Zhejiang University was established on the basis of the amalgamation of the four former individual universities,namely Zhejiang University,Hangzhou University,Zhejiang Agricultural University and Zhejiang Medical University,which were all located in the garden city of Hangzhou.Approved by the State Council,the founding of the new Zhejiang University has been a significant move in the reform and development of China’s higher education.The four universities have grown out of the same ancestry,the Qiushi(with the literal meaning of "seeking truth" in Chinese) Academy,which was founded a century ago as one of the earliest institutions of higher learning in China.As a result,they have all inherited from it the spirit of "Qiushi" and at the same time,built up their owndistinctive features in teaching and research.

  4. Fractal universe

    CERN Document Server

    Khokhlov, D L

    1999-01-01

    The model of the universe is considered in which background of the universe is not defined by the matter but is a priori specified as a homogenous and isotropic flat space. The scale factor of the universe follows the linear law. The scale of mass changes proportional to the scale factor. This leads to that the universe has the fractal structure with a power index of 2.

  5. University Internationalization and University Autonomy

    DEFF Research Database (Denmark)

    2016-01-01

    Turcan and Gulieva deepen our theoretical understanding of the process of university internationalisation by exploring the relationship between university internationalisation and university autonomy. They conjecture that the process of university internationalisation and its sustainability are d......, dissimilar, and sometimes conflicting dimensions of the financial, legal, organisational, staffing, and academic autonomy of the host country, are compromising key aspects of their own autonomy and core mission?...

  6. Stanford University

    Institute of Scientific and Technical Information of China (English)

    李琳

    2007-01-01

    The Leland Stanford Junior University,commonly known as Stanford University (or simply Stanford),is a private university located approximately 37 miles (60 kilometers) southeast of San Francisco and approximately 20 miles northwest of San Joséin an unincorporated area of Santa Clara County.Situated adjacent to the city of Palo Alto,California,Stanford lies at the heart of the Silicon Valley,both geographically and historically.

  7. Harvard University

    Institute of Scientific and Technical Information of China (English)

    李琳

    2007-01-01

    Harvard University, which celebrated its 370th anniversary in 2006, is the oldest institution of higher learning in the United States. Founded 16 years after the arrival of the Pilgrims at Plymouth, the University has grown from nine students with a

  8. Overseas Universities.

    Science.gov (United States)

    Inter-University Council for Higher Education Overseas, London (England).

    The following articles and reports are presented in this publication of "Overseas Universities:""Appropriate Technology and University Education," by John Twidell; "The Training of Engineering Staff for Higher Education Institutions in Developing Countries," by D. W. Daniel, C. A. Leal, J. H. Maynes and T. Wilmore;…

  9. Innovative Universities.

    Science.gov (United States)

    Barsi, Louis M.; Kaebnick, Gweneth W.

    1989-01-01

    The phenomenon of innovation within the university is examined, noting the possibility of innovation as a key to college vitality. A study was conducted using a group of institutions that demonstrated recent innovative spirit. Members of the American Association of State Colleges and Universities (AASCU), each has been recognized in an annual…

  10. Universe Awareness

    Science.gov (United States)

    Sankatsing Nava, Tibisay; Russo, Pedro

    2015-08-01

    Universe Awareness (UNAWE) is an educational programme coordinated by Leiden University that uses the beauty and grandeur of the Universe to encourage young children, particularly those from an underprivileged background, to have an interest in science and technology and foster their sense of global citizenship from the earliest age.UNAWE's twofold vision uses our Universe to inspire and motivate very young children: the excitement of the Universe provides an exciting introduction to science and technology, while the vastness and beauty of the Universe helps broaden the mind and stimulate a sense of global citizenship and tolerance. UNAWE's goals are accomplished through four main activities: the coordination of a global network of more than 1000 astronomers, teachers and educators from more than 60 countries, development of educational resources, teacher training activities and evaluation of educational activities.Between 2011 and 2013, EU-UNAWE, the European branch of UNAWE, was funded by the European Commission to implement a project in 5 EU countries and South Africa. This project has been concluded successfully. Since then, the global project Universe Awareness has continued to grow with an expanding international network, new educational resources and teacher trainings and a planned International Workshop in collaboration with ESA in October 2015, among other activities.

  11. Aids and Surgery

    African Journals Online (AJOL)

    user

    HIV/AIDS patients require surgery sometimes during their illness. ... risks to surgical equipes and analysing preventive strategies to HIV ... problems in patients presenting HIV, AIDS and ... Dentistry, Surgery of Awolowo University in Nigeria3.

  12. Facial nerve palsy: analysis of cases reported in children in a suburban hospital in Nigeria

    National Research Council Canada - National Science Library

    Folayan, M O; Arobieke, R I; Eziyi, E; Oyetola, E O; Elusiyan, J

    2014-01-01

    The study describes the epidemiology, treatment, and treatment outcomes of the 10 cases of facial nerve palsy seen in children managed at the Obafemi Awolowo University Teaching Hospitals Complex, Ile...

  13. Flexible fiberoptic bronchoscopy in respiratory care: Diagnostic yield ...

    African Journals Online (AJOL)

    2016-03-08

    Mar 8, 2016 ... E‑mail: adewolef@yahoo.co.uk ... Department of Medicine, Pulmonary Division, Obafemi Awolowo University and Teaching Hospitals, .... cigarette smoking. .... study, limited scope of respiratory problems, and no cost–.

  14. EAST AFRICAN MEDICAL JOURNAL 299

    African Journals Online (AJOL)

    2002-06-01

    Jun 1, 2002 ... Obatemi Awolowo University. lle-Ife, Nigeria. Request for reprints to: ... students in rural and urban communities in south western Nigeria. Design: A survey of ... from the reports of these studies include alcohol, hypnosedatives ...

  15. The universe

    CERN Document Server

    Osborne, Richard

    2012-01-01

    Where did the Universe come from? The single biggest and most difficult question that there is. From early religions through Greek Philosophy and Western Science man has attempted to discover the meaning of our place in the Universe. In the last twenty years these debates have been cast in a new light by amazing discoveries, big bang theory and ideas about new sub-atomic layers. The nature of Time and Space are truly up for grabs. With a witty and accessible style Osborne leads us on a historical and informative journey through the philosophies of the universe including the importance

  16. Sustainable Universities

    DEFF Research Database (Denmark)

    Grindsted, Thomas Skou

    2011-01-01

    , has put a counter pressure on the university, forcing it to review its role as a driver for sustainable development. Today, universities and intergovernmental institutions have developed more than 31 SHE declarations, and more than 1400 universities have signed a SHE declaration globally. However....... Declarations tend to have impact on three trends. Firstly, there is emerging international consensus on the university’s role and function in relation to sustainable development; secondly, the emergence of national legislation, and thirdly, an emerging international competition to be leader in sustainable......Declarations on Sustainability in Higher Education (SHE) can be viewed as a piece of international regulation. Over the past 30 years research at universities has produced convincing data to warn about deterioration of the environment, resource scarcity and the need for sustainability. This in turn...

  17. USAID University

    Data.gov (United States)

    US Agency for International Development — USAID University is USAID's learning management system. Features include 1) Access online courses 2) Register for instructor-led courses 3)Access your student...

  18. PEKING UNIVERSITY

    Institute of Scientific and Technical Information of China (English)

    2011-01-01

    Type of Company: Government institution. New Preparartions and Late-Model Drug Delivery System Technical Plaform of Peking University School of Pharmaceutical Sciences is a national technical plaform for developing new and important drugs. The person in charge for the platform is a pharmaceutical science professor of Peking University School of Pharmaceutical Sciences. The plaform selects the following as the main research areas: late-model carrier drug delivery system, biotechnological drug delivery system,

  19. Undulant Universe

    Energy Technology Data Exchange (ETDEWEB)

    Barenboim, Gabriela; /Valencia U.; Mena, Olga; Quigg, Chris; /Fermilab

    2004-12-01

    If the equation of state for ''dark energy'' varies periodically, the expansion of the Universe may have undergone alternating eras of acceleration and deceleration. We examine a specific form that survives existing observational tests, does not single out the present state of the Universe as exceptional, and suggests a future much like the matter-dominated past: a smooth expansion without a final inflationary epoch.

  20. ~PEKING UNIVERSITY

    Institute of Scientific and Technical Information of China (English)

    2011-01-01

    Type of Company: Government institution. New Preparartions and Late-Model Drug Delivery System Technical Plaform of Peking University School of Pharmaceutical Sciences is a national technical plaform for developing new and important drugs. The person in charge for the platform is a pharmaceutical science professor of Peking University School of Pharmaceutical Sciences. The plaform selects the following as the main research areas: late-model carrier drug delivery system, biotechnological drug delivery system, mucous and transdermal drug delivery system, oral controlled-release drug delivery system, and four corresponding research teams are set up to study in depth the main problems and key issues.

  1. New Universities

    Science.gov (United States)

    Burgett, Bruce

    2011-01-01

    The public-private alliance signals a future in which self-serving agreements could become the coin of the realm. Such a future would be a betrayal of the historical promise of public universities to innovate in ways that expand access to higher education. Given the rise of market-based models in educational policy circles, the threat of the…

  2. UNIVERSITY STUDENTS

    African Journals Online (AJOL)

    HIV/AIDS PERCEPTION AND SEXUAL BEHAVIOUR AMONG NIGERIAN. UNIVERSITY .... DO not like 118111511 _ 49 55 '1 Giving them money for treatment 21 3.7. Not available ... fact of the presence of the disease in the country. Whereas ...

  3. Princeton University

    Institute of Scientific and Technical Information of China (English)

    榕榕

    2007-01-01

    Recognized globally for academic excellence, Princeton University is a vibrant community of scholarship and learning. Princeton provides an academic and social setting where students quickly can become active members of the campus community. From the first day of class to Commencement, the opportunities for personal growth are countless.

  4. University writing

    Directory of Open Access Journals (Sweden)

    Miguel Zabalza Beraza

    2013-01-01

    Full Text Available Writing in the University is a basic necessity and a long-range educational purpose. One of the basic characteristics of the university context is that it requires writing both as a tool of communication and as a source of intellectual stimulation. After establishing the basic features of academic writing, this article analyzes the role of writing for students (writing to learn and for teachers (write to plan, to reflect, to document what has been done. The article also discusses the contributions of writing for both students and teachers together: writing to investigate. Finally, going beyond what writing is as academic tool, we conclude with a more playful and creative position: writing for pleasure and enjoyment.

  5. University physics

    CERN Document Server

    Arfken, George

    1984-01-01

    University Physics provides an authoritative treatment of physics. This book discusses the linear motion with constant acceleration; addition and subtraction of vectors; uniform circular motion and simple harmonic motion; and electrostatic energy of a charged capacitor. The behavior of materials in a non-uniform magnetic field; application of Kirchhoff's junction rule; Lorentz transformations; and Bernoulli's equation are also deliberated. This text likewise covers the speed of electromagnetic waves; origins of quantum physics; neutron activation analysis; and interference of light. This publi

  6. University lobbying

    Science.gov (United States)

    Richman, Barbara T.

    In the past year, an increasing number of individual academic institutions have lobbied in Congress for new science facilities funds thus circumventing the traditional peer review process of evaluating the merits of such facilities. As an attempt to stem this rising tide, the National Academy of Sciences (NAS) governing council and the Association of American Universities (AAU) recently and independently issued strong statements condemning lobbying by individual universities and enthusiastically supporting the peer review system.“Informed peer judgments on the scientific merits of specific proposals, in open competition, should be a central element in the awarding of all federal funds for science,” the NAS resolution stated. AAU, meanwhile, implored “scientists, leaders of America's universities, and members of Congress” to “refrain from actions that would make scientific decisions a test of political influence rather than a judgment on the quality of the work to be done.” Roughly 50 research institutions constitute AAU; the two AAU Canadian members did not vote on the consortium's statement.

  7. Human universe

    CERN Document Server

    Cox, Brian

    2014-01-01

    Human life is a staggeringly strange thing. On the surface of a ball of rock falling around a nuclear fireball in the blackness of a vacuum the laws of nature conspired to create a naked ape that can look up at the stars and wonder where it came from. What is a human being? Objectively, nothing of consequence. Particles of dust in an infinite arena, present for an instant in eternity. Clumps of atoms in a universe with more galaxies than people. And yet a human being is necessary for the question itself to exist, and the presence of a question in the universe - any question - is the most wonderful thing. Questions require minds, and minds bring meaning. What is meaning? I don't know, except that the universe and every pointless speck inside it means something to me. I am astonished by the existence of a single atom, and find my civilisation to be an outrageous imprint on reality. I don't understand it. Nobody does, but it makes me smile. This book asks questions about our origins, our destiny, and our place i...

  8. Universal overgroup

    Science.gov (United States)

    Arnal, Didier; Selmi, Mohamed; Zergane, Amel

    2011-01-01

    A way to separate irreducible unitary representations π for a Lie group G by moment sets is to use an infinite-dimensional overgroup G˜ and extensions of each representation π to a representation π˜ of G˜, in such a manner that the moment set of π˜ characterizes π. In this paper we propose a universal overgroup G˜, which is an infinite-dimensional Fréchet-Lie group. We extend each π to a Hamiltonian action π˜ of G˜. The moment set of π˜ characterizes π.

  9. Open University

    CERN Document Server

    Pentz,M

    1975-01-01

    Michel Pentz est née en Afrique du Sud et venu au Cern en 1957 comme physicien et président de l'associaion du personnel. Il est également fondateur du mouvement Antiapartheid de Genève et a participé à la fondation de l'Open University en Grande-Bretagne. Il nous parle des contextes pédagogiques, culturels et nationaux dans lesquels la méthode peut s'appliquer.

  10. Yale University

    Institute of Scientific and Technical Information of China (English)

    李琳

    2007-01-01

    Being one of the world's great universities, Yale enrolls no less than 11,000 students from more than one hundred countries. And the 3,200-member faculty is a richly diverse group of men and women who are leaders in their respective fields. The 260 buildings in Yale include contributions from distinguished architects of every period in its history. The central campus of Yale now covers 310 acres (125 hectares) stretching from the School of Nursing in downtown New Haven to tree-shaded residential neighbor...

  11. Geneva University

    CERN Multimedia

    2009-01-01

    École de physique - Département de physique nucléaire et corpusculaire 24, quai Ernest-Ansermet 1211 GENÈVE 4 Tél: (022) 379 62 73 - Fax: (022) 379 69 92 Wednesday 13 May 2009 PARTICLE PHYSICS SEMINAR at 17:00 – Stückelberg Auditorium Observing the extreme universe with the Fermi Gamma-ray Space Telescope Prof. Olaf Reimer / Stanford University The Fermi Gamma-ray Space Telescope (FGST, formerly GLAST) is an international observatory-type satellite mission with a physics program spanning from gamma-ray astronomy to particle astrophysics and cosmology. FGST was launched on June 11, 2008 and is successfully conducting science observations of the high-energy gamma-ray sky since August 2008. A varienty of discoveries has been made already, including monitoring rapid blazar variability, the existence of GeV gamma-ray bursts, and numerous new gamma-ray sources of different types, including those belonging to previously unknown gamma-ray source classes like msPSRs, globula...

  12. Geneva University

    CERN Multimedia

    2009-01-01

    École de physique - Département de physique nucléaire et corspusculaire 24, quai Ernest-Ansermet 1211 GENÈVE 4 Tél: (022) 379 62 73 - Fax: (022) 379 69 92 Monday 9 March 2009 COLLOQUIUM at 17:00 – Stückelberg Auditorium Are We Descended From Heavy Neutrinos? Prof. Boris Kayser / Fermilab (Fermi National Accelerator Center, Geneva, Illinois, USA) Neutrinos are among the most abundant particles in the universe. The discovery that they have nonzero masses has raised a number of very interesting questions about them, and about their connections to other areas of physics and to cosmology. After briefly reviewing what has been learned about the neutrinos so far, we will identify the major open questions, explain why they are interesting, and discuss ideas and plans for answering them through future experiments. We will highlight a particularly intriguing question: Are neutrinos the key to understanding why the universe contains matter but almost no antimatter, making it s...

  13. Geneva University

    CERN Multimedia

    2008-01-01

    Ecole de physique - Département de physique nucléaire et corpusculaire 24, Quai Ernest-Ansermet 1211 GENEVE 4 Tél: (022) 379 62 73 Fax: (022) 379 69 92 Monday 28 April 2008 PHYSICS COLLOQUIUM at 17.00 – Stückelberg Auditorium Gravity : an Emergent Perspective by Prof. Thanu Padmanabhan, Pune University Dean, Ganeshkhind, Pune, India I will motivate and describe a novel perspective in which gravity arises as an emergent phenomenon, somewhat like elasticity. This perspective throws light on several issues which are somewhat of a mystery in the conventional approach. Moreover it provides new insights on the dark energy problem. In fact, I will show that it is necessary to have such an alternative perspective in order to solve the cosmological constant problem.Information: http://theory.physics.unige.ch/~fiteo/seminars/COL/collist.html

  14. Geneva University

    CERN Multimedia

    École de physique - Département de physique nucléaire et corspusculaire 24, quai Ernest-Ansermet 1211 GENÈVE 4 Tél: (022) 379 62 73 - Fax: (022) 379 69 92 Monday 7 December 2009 PHYSICS COLLOQUIUM at 17:00 – Stückelberg Auditorium Topological insulators and topological superconductors Professor Shoucheng Zhang Department of Physics, Stanford University, CA   Recently, a new class of topological states has been theoretically predicted and experimentally realized. The topological insulators have an insulating gap in the bulk, but have topologically protected edge or surface states due to the time reversal symmetry. In two dimensions the edge states give rise to the quantum spin Hall (QSH) effect, in the absence of any external magnetic field. I shall review the theoretical prediction of the QSH state in HgTe/CdTe semiconductor quantum wells, and its recent experimental observation. The edge states of the QSH state supports fr...

  15. Geneva University

    CERN Multimedia

    École de physique - Département de physique nucléaire et corspusculaire 24, quai Ernest-Ansermet 1211 GENÈVE 4 Tél: (022) 379 62 73 - Fax: (022) 379 69 92 Wednesday 18 November  2009 PARTICLE PHYSICS SEMINAR at 17:00 – Stückelberg Auditorium Highlights of the European Strategy Workshop for Future Neutrino Physics Dr Ilias Efthymiopoulos, CERN   Seminar cancelled! Information Organizer : J.-S. Graulich Monday 7 December 2009 PHYSICS COLLOQUIUM at 17:00 – Stückelberg Auditorium Topological insulators and topological superconductors Professor Shoucheng Zhang Department of Physics, Stanford University, CA   Recently, a new class of topological states has been theoretically predicted and experimentally realized. The topological insulators have an insulating gap in the bulk, but have topologically protected edge or surface states due to the time reversal symmetry. In two dimensions the edge s...

  16. Geneva University

    CERN Multimedia

    2009-01-01

    École de physique - Département de physique nucléaire et corpusculaire 24, quai Ernest-Ansermet 1211 GENÈVE 4Tél: (022) 379 62 73 - Fax: (022) 379 69 92 Wednesday 29 April 2009 PARTICLE PHYSICS SEMINAR at 17:00 - Stückelberg Auditorium Search for spin-1 excited bosons at the LHC Mihail V. Chizhov (Physics Department, Sofia University, Bulgaria) I will discuss the resonance production of new type spin-1 excited bosons, Z*, at hadron colliders. They can be observed as a Breit-Wigner resonance peak in the invariant dilepton mass distribution in the same way as the well-known hypothetical gauge bosons, Z�. This makes them very interesting objects for early searches with the LHC first data. Moreover, they have unique signatures in transverse momentum and angular distributions, which allow to distinguish them from other resonances. Information : http://dpnc.unige.ch/seminaire/annonce.html Organizer: J.-S. Graulich

  17. Geneva University

    CERN Document Server

    2008-01-01

    Ecole de physique - Département de physique nucléaire et corpusculaire 24, Quai Ernest-Ansermet 1211 GENEVE 4 Tél: (022) 379 62 73 Fax: (022) 379 69 92 Wednesday 29 October 2008 PARTICLE PHYSICS SEMINAR at 17.00 – Stückelberg Auditorium Precision measurements of low-energy neutrino-nucleus interactions with the SciBooNE experiment at Fermilab by Dr Michel Sorel, IFIC (CSIC and University of Valencia) «Do all modern accelerator-based neutrino experiments need to make use of kiloton-scale detectors and decade-long exposure times? In order to study the full pattern of neutrino mixing via neutrino oscillation experiments, the answer is probably yes, together with powerful proton sources. Still, to push the sensitivity of future neutrino oscillation searches into unchartered territory, those are necessary, but not sufficient, ingredients. In addition, accurate knowledge of neutrino interactions and neutrino production is mandatory. This knowledge can be acquired via small-scale and short-term dedicated n...

  18. Geneva University

    CERN Multimedia

    2009-01-01

    École de physique - Département de physique nucléaire et corspusculaire 24, quai Ernest-Ansermet 1211 Genève 4 Tél. 022 379 62 73 - Fax: (022) 379 69 92 Wednesday 14 October 2009 PARTICLE PHYSICS SEMINAR at 17:00 – Stückelberg Auditorium Long-lived particle searches at colliders Dr. Philippe Mermod / Oxford University The discovery of exotic long-lived particles would address a number of important questions in modern physics such as the origin and composition of dark matter and the unification of the fundamental forces. This talk will focus on searches for long-lived charged massive particles, where "charged" refers to the magnetic, electric or colour charge. Previous searches at the LEP and Tevatron Colliders allowed to put mass and cross section limits on various kinds of long-lived particles, such as Magnetic Monopoles and metastable leptons and up-type quarks. The new energy regime made available at the LHC will probe physics regions well beyond these limits. F...

  19. Geneva University

    CERN Multimedia

    2010-01-01

    Ecole de physique Département de physique nucléaire et corspusculaire 24, quai Ernest-Ansermet 1211 GENEVE 4 Tel: (022) 379 62 73 Fax: (022) 379 69 92 Wednesday 14 April 2010 PARTICLE PHYSICS SEMINAR at 17.00 hrs – Stückelberg Auditorium Dark Matter and the XENON Experiment By Dr. Marc Schumann, Physik Institut, Universität Zürich There is convincing astrophysical and cosmological evidence that most of the matter in the Universe is dark: It is invisible in every band of the electromagnetic spectrum. Weakly interacting massive particles (WIMPs) are promising Dark Matter candidates that arise naturally in many theories beyond the Standard Model. Several experiments aim to directly detect WIMPs by measuring nuclear recoils from WIMPs scattered on target nuclei. In this talk, I will give an overview on Dark Matter and direct Dark Matter detection. Then I will focus on the XENON100 experiment, a 2-phase liquid/gas time projection chamber (TPC) that ...

  20. Geneva University

    CERN Multimedia

    2009-01-01

    École de physique - Département de physique nucléaire et corpusculaire 24, quai Ernest-Ansermet 1211 GENÈVE 4 Tél: (022) 379 62 73 - Fax: (022) 379 69 92 Lundi 6 avril 2009 PARTICLE PHYSICS SEMINAR àt 17:00 – Auditoire Stückelberg Hospital superbugs, nanomechanics and statistical physics Prof. Dr G. Aeppli / University College London The alarming growth of the antibiotic-resistant superbug, methicillin-resistant Staphylococcus aureus (MRSA) is driving the development of new technologies to investigate antibiotics and their modes of action. We report silicon cantilever based studies of self-assembled monolayers of mucopeptides which model drug-sensitive and resistant bacterial walls. The underlying concepts needed to understand the measurements will simplify the design of cantilevers and coatings for biosensing and could even impact our understanding of drug action on bacteria themselves. (Une verrée en compagnie du conférencier sera offerte après le colloque.) Organizer : Prof. Markus Büttiker ...

  1. Universal algebra

    CERN Document Server

    Grätzer, George

    1979-01-01

    Universal Algebra, heralded as ". . . the standard reference in a field notorious for the lack of standardization . . .," has become the most authoritative, consistently relied on text in a field with applications in other branches of algebra and other fields such as combinatorics, geometry, and computer science. Each chapter is followed by an extensive list of exercises and problems. The "state of the art" account also includes new appendices (with contributions from B. Jónsson, R. Quackenbush, W. Taylor, and G. Wenzel) and a well-selected additional bibliography of over 1250 papers and books which makes this a fine work for students, instructors, and researchers in the field. "This book will certainly be, in the years to come, the basic reference to the subject." --- The American Mathematical Monthly (First Edition) "In this reviewer's opinion [the author] has more than succeeded in his aim. The problems at the end of each chapter are well-chosen; there are more than 650 of them. The book is especially sui...

  2. Geneva University

    CERN Multimedia

    2009-01-01

    École de physique - Département de physique nucléaire et corpusculaire 24, quai Ernest-Ansermet 1211 GENÈVE 4 Tél: (022) 379 62 73 - Fax: (022) 379 69 92 Wednesday 25 March 2009 PARTICLE PHYSICS SEMINAR at 17:00 – Stückelberg Auditorium Hunting for the Higgs with D0 at the Tevatron Prof. Gustaaf Brooijmans / Columbia University The search for the Higgs boson is one of the most important endeavors in current experimental particle physics. At the eve of the LHC start, the Tevatron is delivering record luminosity allowing both CDF and D0 to explore a new region of possible Higgs masses. In this seminar, the techniques used to search for the Higgs boson at the Tevatron will be explained, limiting factors will be examined, and the sensitivity in the various channels will be reviewed. The newly excluded values of the standard model Higgs mass will be presented. Information : http://dpnc.unige.ch/seminaire/annonce.html Organizer : J.-S. Graulich

  3. Universal Grammar Is a Universal Grammar

    OpenAIRE

    Casares, Ramón

    2014-01-01

    Is Universal Grammar a universal grammar? From Chomsky's hierarchy we deduce that for each grammar there is a Turing machine, and conversely. Following this equivalence, it is immediate to conclude that a universal Turing machine is equivalent to a universal grammar. Meanwhile, in linguistics, Universal Grammar is the human brain circuitry that implements the faculty of language. So the definitive answer is achieved only when we show that the human brain is Turing complete, and that language ...

  4. A University in Paradise: Zhejiang University

    Institute of Scientific and Technical Information of China (English)

    2004-01-01

    Founded in 1897 and one of the oldest institutions of higher learning in China, Zhejiang University has the reputation as “Cambridge of the East.” It has always been one of the top universities in China, in terms of its comprehensive academic strength in teaching, research and facilities. In September of 1998, a new Zhejiang University was established on the basis of amalgamation of the four former individual universities,Zhejiang University,, Hangzhou University, Zhejiang Agricultural University and Zhejiang Medical University, all located in the garden city of Hangzhou. Endowed with a pleasant climate, picturesque surroundings and a favorable academic atmosphere, Zhejiang University is an ideal place for teaching, research and learning.

  5. Clemson University: College and University Systems Environment.

    Science.gov (United States)

    CAUSE/EFFECT, 1980

    1980-01-01

    The administrative computing operation of Clemson University is discussed. The university's computing history, computer hardware, and computing organization (including the Computer Center, administrative programing services, and information systems development) are described. (MLW)

  6. On Universal Quantum Dimensions

    CERN Document Server

    Mkrtchyan, R L

    2016-01-01

    We derive universal expressions for quantum dimensions (universal characters) of some series of irreps of simple Lie algebras. This allows us to check Deligne's hypothesis on universal quantum dimensions for symmetric cube of adjoint representation.

  7. The Global University Press

    Science.gov (United States)

    Dougherty, Peter J.

    2012-01-01

    The modern world's understanding of American university press has long been shaped by university-press books. American university-press books are good international advertisements for the universities whose logos grace their spines. The growth of transnational scholarship and the expansion of digital communications networks are converging in ways…

  8. The University of Cambridge

    Institute of Scientific and Technical Information of China (English)

    郭大任

    2007-01-01

    The University of Cambridge was founded in 1209,just a few decades after Oxford University,making it the second oldest university in the English-speaking world.Like“the other place”, the university is made up of 31 colleges and more than 100 departments,catering for around 15,500 students.Cambridge has a worldwide reputation for outstanding

  9. Determinants of underdiagnosis of COPD in national and international surveys.

    Science.gov (United States)

    Bernd, Lamprecht; Joan, B Soriano; Michael, Studnicka; Bernhard, Kaiser; Lowie, E Vanfleteren; Louisa, Gnatiuc; Peter, Burney; Marc, Miravitlles; Francisco, García-Rio; Kaveh, Akbari; Julio, Ancochea; Ana, M Menezes; Rogelio, Perez-Padilla; Maria, Montes de Oca; Carlos, A Torres-Duque; Andres, Caballero; Mauricio, González-García; Sonia, Buist

    2015-10-01

    COPD ranks within the top three causes of mortality in the global burden of disease, yet it remains largely underdiagnosed. We assessed the underdiagnosis of COPD and its determinants in national and international surveys of general populations. We analyzed representative samples of adults aged ≥ 40 years randomly selected from well-defined administrative areas worldwide (44 sites from 27 countries). Postbronchodilator FEV1/FVC Barranquilla, Colombia, to 19.0% in Cape Town, South Africa. Only 26.4% reported a previous lung function test, and only 5.0% reported a previous diagnosis of COPD, whereas 9.7% had a postbronchodilator FEV1/FVC < LLN. Overall, 81.4% of (spirometrically defined) COPD cases were undiagnosed, with the highest rate in Ile-Ife, Nigeria (98.3%) and the lowest rate in Lexington, Kentucky (50.0%). In multivariate analysis, a greater probability of underdiagnosis of COPD was associated with male sex, younger age, never and current smoking, lower education, no previous spirometry, and less severe airflow limitation. Even with substantial heterogeneity in COPD prevalence, COPD underdiagnosis is universally high. Because effective management strategies are available for COPD, spirometry can help in the diagnosis of COPD at a stage when treatment will lead to better outcomes and improved quality of life.

  10. Repositioning Guidance and Counselling and Curriculum Innovation in Higher Education in Nigeria

    Science.gov (United States)

    Onyilofor, Florence N. C.

    2013-01-01

    This study focuses on repositioning guidance and counseling and curriculum innovation in higher education in Nigeria. Descriptive survey research design was employed in the study. The study covered four Federal universities in the South-West Geopolitical zone of Nigeria, namely University of Ibadan in Oyo State; Obafemi Awolowo University, Ile-Ife…

  11. Gambling with the Universe

    Science.gov (United States)

    Hawking, Stephen

    2002-05-01

    This is an excerpt from Stephen Hawking's book The Universe in a Nutshell. Roger Penrose and Stephen Hawking, Lucasian Professor of Mathematics at the University of Cambridge, were able to show that Einstein's General Theory of Relativity implied that the universe and time itself must have had a beginning in a tremendous explosion. The discovery of the expansion of the universe is one of the great intellectual revolutions of the twentieth century.

  12. Situated University, Situated Writing

    Science.gov (United States)

    Feldman, Ann M.

    2009-01-01

    This article argues that teaching as a situated, civic activity must be a core intellectual activity in the engaged metropolitan university. Situated writing provides the key pedagogy for the Chicago Civic Leadership Certificate Program at the University of Illinois at Chicago, an engaged public research university. The role of writing, or…

  13. Universal correlators from geometry

    Energy Technology Data Exchange (ETDEWEB)

    Dijkgraaf, Robbert [Institute for Theoretical Physics, University of Amsterdam, Valckenierstraat 65, 1018 XE Amsterdam (Netherlands); Korteweg-de Vries Institute for Mathematics, University of Amsterdam, Valckenierstraat 65, 1018 XE Amsterdam (Netherlands); Temuerhan, Mine; Sinkovics, Annamaria [Institute for Theoretical Physics, University of Amsterdam, Valckenierstraat 65, 1018 XE Amsterdam (Netherlands)]. E-mail: sinkovic@science.uva.nl

    2004-11-01

    Matrix model correlators show universal behaviour at short distances. We provide a derivation for these universal correlators by inserting probe branes in the underlying effective geometry. We generalize these results to study correlators of branes and their universal behaviour in the Calabi-Yau crystals, where we find a role for a generalized brane insertion. (author)

  14. Universal Correlators from Geometry

    Science.gov (United States)

    Dijkgraaf, Robbert; Sinkovics, Annamaria; Temurhan, Mine

    2004-11-01

    Matrix model correlators show universal behaviour at short distances. We provide a derivation for these universal correlators by inserting probe branes in the underlying effective geometry. We generalize these results to study correlators of branes and their universal behaviour in the Calabi-Yau crystals, where we find a role for a generalized brane insertion.

  15. Universal Correlators from Geometry

    CERN Document Server

    Dijkgraaf, R; Temurhan, M; Dijkgraaf, Robbert; Sinkovics, Annamaria; Temurhan, Mine

    2004-01-01

    Matrix model correlators show universal behaviour at short distances. We provide a derivation for these universal correlators by inserting probe branes in the underlying effective geometry. We generalize these results to study correlators of branes and their universal behaviour in the Calabi-Yau crystals, where we find a role for a generalized brane insertion.

  16. The University Culture

    Science.gov (United States)

    Simplicio, Joseph

    2012-01-01

    In this article the author discusses the role university culture can play on a campus and how it can impact policy and practice. The article explores how a university's history, values, and vision form its culture and how this culture in turn affects its stability and continuity. The article discusses how newcomers within the university are…

  17. What Are Good Universities?

    Science.gov (United States)

    Connell, Raewyn

    2016-01-01

    This paper considers how we can arrive at a concept of the good university. It begins with ideas expressed by Australian Vice-Chancellors and in the "league tables" for universities, which essentially reproduce existing privilege. It then considers definitions of the good university via wish lists, classic texts, horror lists, structural…

  18. Mathematics at University

    DEFF Research Database (Denmark)

    Winsløw, Carl

    2015-01-01

    Mathematics is studied in universities by a large number of students. At the same time it is a field of research for a (smaller) number of university teachers. What relations, if any, exist between university research and teaching of mathematics? Can research “support” teaching? What research and...

  19. A Universal Reactive Machine

    DEFF Research Database (Denmark)

    Andersen, Henrik Reif; Mørk, Simon; Sørensen, Morten U.

    1997-01-01

    Turing showed the existence of a model universal for the set of Turing machines in the sense that given an encoding of any Turing machine asinput the universal Turing machine simulates it. We introduce the concept of universality for reactive systems and construct a CCS processuniversal...

  20. The Australian National University

    Institute of Scientific and Technical Information of China (English)

    李琳

    2007-01-01

    The Australian National University was established by Federal Parliament in 1946 with a mission to bring credit to the nation and to be one of the world’s great universities.It was the country’s only full-time research university at the time,and had no undergraduate teaching responsibilities.

  1. INTELLECTUAL PROPERTY AND UNIVERSITIES

    OpenAIRE

    Papin-Ramcharan, Jennifer

    2005-01-01

    Universities and other institutions of higher learning like the University of the West Indies (UWI), are in the business of creating intellectual property. This article describes the importance of intellectual property protection particularly for developing countries. It also gives the experience of The St. Augustine Campus of the University of the West Indies with intellectual property protection.

  2. Clusters propel German universities

    Science.gov (United States)

    Banks, Michael

    2009-10-01

    The annual publication of a list of the world's top universities by the Times Higher Education newspaper must make grim reading for researchers in Germany. The list, drawn up in partnership with education provider Quacquarelli Symonds, last year included only three German universities in the top 100 - Heidelberg in 57th spot, followed by the Technical University (TU) in Munich (78th) and the Ludwig-Maximilians-University (LMU), also in Munich, coming in a lowly 93rd. The US in contrast, has 37 of the top 100 universities, while the UK boasts 17.

  3. University Performance Management

    DEFF Research Database (Denmark)

    For the last two decades the Danish Universities have felt the impact of the international trend towards implementation of New Public Management. The results are seen in the implementation of new hierarchical governance structures and contractual governance system including market based...... quantitative measurement systems for resource allocation and performance evaluation. Compared to other countries the changes in performance measurements and governance of the Danish universities are radical and the Minister of Science heralded them as "the greatest change in university management since...... of researchers, university management, and the universities themselves....

  4. The expanding universe

    CERN Document Server

    Lew, Kristi

    2011-01-01

    People have always been fascinated with the stars above and the universe that contains them. Over the years, astronomers have developed numerous theories to explain how the universe began, how it works, and what its ultimate fate will be. But all of the scientists' questions are far from answered. The Expanding Universe goes beyond the creation of the universe to explain how scientists think the universe works, grows, and changes, including what great thinkers Isaac Newton and Albert Einstein had to say about its fate. Readers will also learn about how researchers are slowly shedding light on

  5. Evolution of Universal Grammar

    Science.gov (United States)

    Nowak, Martin A.; Komarova, Natalia L.; Niyogi, Partha

    2001-01-01

    Universal grammar specifies the mechanism of language acquisition. It determines the range of grammatical hypothesis that children entertain during language learning and the procedure they use for evaluating input sentences. How universal grammar arose is a major challenge for evolutionary biology. We present a mathematical framework for the evolutionary dynamics of grammar learning. The central result is a coherence threshold, which specifies the condition for a universal grammar to induce coherent communication within a population. We study selection of grammars within the same universal grammar and competition between different universal grammars. We calculate the condition under which natural selection favors the emergence of rule-based, generative grammars that underlie complex language.

  6. The universe a biography

    CERN Document Server

    Gribbin, John

    2008-01-01

    The Universe: A Biography makes cosmology accessible to everyone. John Gribbin navigates the latest frontiers of scientific discovery to tell us what we really know about the history of the universe. Along the way, he describes how the universe began; what the early universe looked like; how its structure developed; and what emerged to hold it all together. He describes where the elements came from; how stars and galaxies formed; and the story of how life emerged. He even looks to the future: is the history of the universe going to end with a Big Crunch or a Big Rip.

  7. Universities scale like cities.

    Directory of Open Access Journals (Sweden)

    Anthony F J van Raan

    Full Text Available Recent studies of urban scaling show that important socioeconomic city characteristics such as wealth and innovation capacity exhibit a nonlinear, particularly a power law scaling with population size. These nonlinear effects are common to all cities, with similar power law exponents. These findings mean that the larger the city, the more disproportionally they are places of wealth and innovation. Local properties of cities cause a deviation from the expected behavior as predicted by the power law scaling. In this paper we demonstrate that universities show a similar behavior as cities in the distribution of the 'gross university income' in terms of total number of citations over 'size' in terms of total number of publications. Moreover, the power law exponents for university scaling are comparable to those for urban scaling. We find that deviations from the expected behavior can indeed be explained by specific local properties of universities, particularly the field-specific composition of a university, and its quality in terms of field-normalized citation impact. By studying both the set of the 500 largest universities worldwide and a specific subset of these 500 universities--the top-100 European universities--we are also able to distinguish between properties of universities with as well as without selection of one specific local property, the quality of a university in terms of its average field-normalized citation impact. It also reveals an interesting observation concerning the working of a crucial property in networked systems, preferential attachment.

  8. Selling University Reform: The University of Melbourne and the Press

    Science.gov (United States)

    Potts, Anthony

    2012-01-01

    Since the advent of the "Times Higher Education Supplement World University Rankings" and the "Academic Rankings of World Universities" by Shanghai Jiao Tong University, some Australian universities have become especially concerned with being ranked among the 100 leading universities. The University of Melbourne, Australia's…

  9. Selling University Reform: The University of Melbourne and the Press

    Science.gov (United States)

    Potts, Anthony

    2012-01-01

    Since the advent of the "Times Higher Education Supplement World University Rankings" and the "Academic Rankings of World Universities" by Shanghai Jiao Tong University, some Australian universities have become especially concerned with being ranked among the 100 leading universities. The University of Melbourne, Australia's second oldest…

  10. Universal scalings of universal scaling exponents

    Energy Technology Data Exchange (ETDEWEB)

    Llave, Rafael de la [Department of Mathematics, University of Texas, Austin, TX 78712 (United States); Olvera, Arturo [IIMAS-UNAM, FENOMEC, Apdo. Postal 20-726, Mexico DF 01000 (Mexico); Petrov, Nikola P [Department of Mathematics, University of Oklahoma, Norman, OK 73019 (United States)

    2007-06-08

    In the last decades, renormalization group (RG) ideas have been applied to describe universal properties of different routes to chaos (quasi-periodic, period doubling or tripling, Siegel disc boundaries, etc). Each of the RG theories leads to universal scaling exponents which are related to the action of certain RG operators. The goal of this announcement is to show that there is a principle that organizes many of these scaling exponents. We give numerical evidence that the exponents of different routes to chaos satisfy approximately some arithmetic relations. These relations are determined by combinatorial properties of the route and become exact in an appropriate limit. (fast track communication)

  11. University Performance Management

    DEFF Research Database (Denmark)

    quantitative measurement systems for resource allocation and performance evaluation. Compared to other countries the changes in performance measurements and governance of the Danish universities are radical and the Minister of Science heralded them as "the greatest change in university management since...... the founding of Copenhagen University in 1479". The changes took place with surprisingly little resistance from university scholars. The articles in this anthology investigate the origins and rationales for the silent managerial revolution at Danish Universities and the radical implications for the identity......For the last two decades the Danish Universities have felt the impact of the international trend towards implementation of New Public Management. The results are seen in the implementation of new hierarchical governance structures and contractual governance system including market based...

  12. Rectors of European universities

    CERN Multimedia

    Maximilien Brice

    2003-01-01

    Several rectors of European universities visited CERN recently while in Geneva for a conference on coordination between their institutions. The visit began with a welcome by Roger Cashmore, CERN Director of Collider Programmes,and continued with tours of CMS, ALICE and the LHC magnet assembly hall. Photos 01, 02: The visitors in the ALICE assembly hall: (left to right) Dr. Raymond Werlen, Deputy Secretary-General of the Conference of Rectors of Swiss Universities; visit guide Prof. Alain Blondel, Department of Nuclear and Corpuscular Physics, University of Geneva; Prof. Adriano Pimpão, Rector of the University of Algarve, President of the Council of Rectors of Portuguese Universities; Prof. Jean-Pierre Finance, Conference of University Presidents, France; Prof. Jean-Paul Lehners, Vice-President of the Centre Universitaire, Luxemburg.

  13. Thermodynamics and emergent universe

    CERN Document Server

    Ghosh, Saumya

    2016-01-01

    We show that in the isentropic scenario the first order thermodynamical particle creation model gives an emergent universe solution even when the chemical potential is non-zero. However there exists no emergent universe scenario in the second order non-equilibrium theory for the particle creation model. We then point out a correspondence between the particle creation model with barotropic equation of state and the equation of state giving rise to an emergent universe without particle creation in spatially flat FRW cosmology.

  14. College and University Challenge

    Science.gov (United States)

    This EPA's Green Power Partnership Challenge tracks and recognizes U.S. colleges and universities recognizes the largest single green power users within each participating collegiate athletic conferences.

  15. University Technology Transfer

    Directory of Open Access Journals (Sweden)

    Mike Cox

    2004-09-01

    Full Text Available This article describes the experiences and general observations of the author at Heriot-Watt University and concerns the transfer of university technology for the purposes of commercialisation. Full commercial exploitation of a university invention generally requires transferring that technology into the industrial arena, usually either by formation of a new company or licensing into an existing company. Commercialisation activities need to be carried out in unison with the prime activities of the university of research and teaching. Responsibility for commercialising university inventions generally rests with a specific group within the university, typically referred to as the technology transfer group. Each technology transfer should be considered individually and appropriate arrangements made for that particular invention. In general, this transfer process involves four stages: identification, evaluation, protection and exploitation. Considerations under these general headings are outlined from a university viewpoint. A phased approach is generally preferred where possible for the evaluation, protection and exploitation of an invention to balance risk with potential reward. Evaluation of the potential opportunity for a university invention involves essentially the same considerations as for an industrial invention. However, there are a range of commercial exploitation routes and potential deals so that only general guidelines can be given. Naturally, the final deal achieved is that which can be negotiated. The potential rewards for the university and inventor are both financial (via licensing income and equity realisation and non-financial.

  16. University of Washington

    Data.gov (United States)

    Federal Laboratory Consortium — The theme of the University of Washington based Center for Child Environmental Health Risks Research (CHC) is understanding the biochemical, molecular and exposure...

  17. General Topology of the Universe

    OpenAIRE

    Pandya, Aalok

    2002-01-01

    General topology of the universe is descibed. It is concluded that topology of the present universe is greater or stronger than the topology of the universe in the past and topology of the future universe will be stronger or greater than the present topology of the universe. Consequently, the universe remains unbounded.

  18. Adesina and Adeniji Afr., J. Infect. Dis. (2016) 10 (1): 21 – 24 http://dx ...

    African Journals Online (AJOL)

    Proff.Adewunmi

    Materials and Methods: Three millilitres venous blood was collected from each of one ... of fresh dengue infections for the first time in Ile-Ife among different groups of people. ... Dengue, a mosquito borne viral infection caused by Dengue virus, ...

  19. An Appraisal of the Management of Ectopic Pregnancy in a Nigerian ...

    African Journals Online (AJOL)

    2011-12-31

    Dec 31, 2011 ... Ectopic pregnancy is a significant cause of maternal morbidity and mortality especially in ... Several factors have been shown to increase the risk of ectopic pregnancy. ... Only 94.9% (93/98) case files were retrieved and were used in the final ..... patients in Ile Ife Nigeria were also reported to have died from.

  20. International Journal of Arts and Humanities(IJAH) Ethiopia

    African Journals Online (AJOL)

    Nneka Umera-Okeke

    recreation and sport leisure activities that motivate women's participation. ... programs, facilities, and athletes were issues impairing students' ... speculated that sports are not merely performed to showcase physical prowess, .... one child and others had no children. ..... Obesity prevalence in adult residents of Ile-Ife, Nigeria.

  1. SPATIAL ANALYSIS OF RESIDENTS' FEAR AND FEELING OF ...

    African Journals Online (AJOL)

    Osondu

    This study examined spatial pattern of crime and residents' fear and feeling of insecurity in Ile-Ife,. Nigeria. To obtain the ... underground subway alone or have reservations ..... the roles of these vigilante groups and that of the police in the ...

  2. Marketing University Outreach Programs.

    Science.gov (United States)

    Foster, Ralph S., Jr., Ed.; And Others

    A collection of 12 essays and model program descriptions addresses issues in the marketing of university extension, outreach, and distance education programs. They include: (1) "Marketing and University Outreach: Parallel Processes" (William I. Sauser, Jr. and others); (2) "Segmenting and Targeting the Organizational Market"…

  3. Talent Management for Universities

    Science.gov (United States)

    Bradley, Andrew P.

    2016-01-01

    This paper explores human resource management practices in the university sector with a specific focus on talent pools and talent management more generally. The paper defines talent management in the context of the university sector and then explores its interdependence with organisational strategy, the metrics used to measure academic performance…

  4. The University of Oxford

    Institute of Scientific and Technical Information of China (English)

    郭大任

    2007-01-01

    The University of Oxford, located in the city of Oxford, England, is the oldest university in the English-speaking world. Oxford was a leading center of learning throughout the Middle Ages. It has maintained an outstanding reputation, especially in the classics, theology, and political science.

  5. Regionalism in Scottish Universities

    Science.gov (United States)

    Hutchison, Dougal

    1976-01-01

    It is well-known that Scottish universities are highly local institutions and that over two-fifth of Scottish university students live at home. Attempts to ascertain if this regionalism has relaxed over the past twenty years with student grant regulations, improvement in communications and the increasing affluence of today's society. (Author/RK)

  6. Universe of constant

    Science.gov (United States)

    Yongquan, Han

    2016-10-01

    The ideal gas state equation is not applicable to ordinary gas, it should be applied to the Electromagnetic ``gas'' that is applied to the radiation, the radiation should be the ultimate state of matter changes or initial state, the universe is filled with radiation. That is, the ideal gas equation of state is suitable for the Singular point and the universe. Maybe someone consider that, there is no vessel can accommodate radiation, it is because the Ordinary container is too small to accommodate, if the radius of your container is the distance that Light through an hour, would you still think it can't accommodates radiation? Modern scientific determinate that the radius of the universe now is about 1027 m, assuming that the universe is a sphere whose volume is approximately: V = 4.19 × 1081 cubic meters, the temperature radiation of the universe (cosmic microwave background radiation temperature of the universe, should be the closest the average temperature of the universe) T = 3.15k, radiation pressure P = 5 × 10-6 N / m 2, according to the law of ideal gas state equation, PV / T = constant = 6 × 1075, the value of this constant is the universe, The singular point should also equal to the constant Author: hanyongquan

  7. Universals, Typologies and Interlanguage.

    Science.gov (United States)

    Eckman, Fred R.

    Two questions are raised: Is it possible to characterize the notion human language in terms of absolute and typological universals? And if so, what is the relationship between these universals and those formulated for primary languages? Given these questions, the purpose of the paper is to: (1) investigate some of the methodological considerations…

  8. Universal Design Problem Solving

    Science.gov (United States)

    Sterling, Mary C.

    2004-01-01

    Universal design is made up of four elements: accessibility, adaptability, aesthetics, and affordability. This article addresses the concept of universal design problem solving through experiential learning for an interior design studio course in postsecondary education. Students' experiences with clients over age 55 promoted an understanding of…

  9. TEACHERS OF TIBET UNIVERSITY

    Institute of Scientific and Technical Information of China (English)

    2002-01-01

    Tibet University isgaining fame in andoutside China as itsgraduates are playingan increasingly impor-tant role in variousfronts of work.Whileenjoying the fruits,onewill never forget thosewho have grown thefruit trees.In the caseof the university,"thosewho grow the fruittrees" are its teachers.

  10. Slippery Rock University

    Science.gov (United States)

    Arnhold, Robert W.

    2008-01-01

    Slippery Rock University (SRU), located in western Pennsylvania, is one of 14 state-owned institutions of higher education in Pennsylvania. The university has a rich tradition of providing professional preparation programs in special education, therapeutic recreation, physical education, and physical therapy for individuals with disabilities.…

  11. The University's Governance Paradox

    Science.gov (United States)

    Maassen, Peter

    2017-01-01

    One can observe a growing external pressure on universities to become more responsive to society through proactively engaging in various types of competition--competing for students, staff, external funding, and for academic prestige and status. The ensuing reform agendas aim at changing the intra-university governance structures for stimulating…

  12. Universality in heterogeneous catalysis

    DEFF Research Database (Denmark)

    Nørskov, Jens Kehlet; Pedersen, Thomas Bligaard; Logadottir, Ashildur

    2002-01-01

    Based on an extensive set of density functional theory calculations it is shown that for a class of catalytic reactions there is a universal, reactant independent relation between the reaction activation energy and the stability of reaction intermediates. This leads directly to a universal relati...

  13. Understanding University Technology Transfer

    Science.gov (United States)

    Association of American Universities, 2011

    2011-01-01

    Federal government agencies provide about $33 billion a year to universities to conduct scientific research. That continuing investment expands human knowledge and helps educate the next generation of science and technology leaders. New discoveries from university research also form the basis for many new products and processes that benefit the…

  14. Universe opacity and EBL

    CERN Document Server

    Vavrycuk, Vaclav

    2016-01-01

    The observed extragalactic background light (EBL) is affected by light attenuation due to absorption of light by galactic and intergalactic dust in the Universe. Even galactic opacity of 10-20 percent and minute universe intergalactic opacity of $0.01\\,\\mathrm{mag}\\,h\\,\\mathrm{Gpc}^{-1}$ at the local Universe have a significant impact on the EBL because obscuration of galaxies and density of intergalactic dust increase with redshift as $\\left(1+z\\right)^3$. Consequently, intergalactic opacity increases and the Universe becomes considerably opaque at $z > 3$. Adopting realistic values for galactic and intergalactic opacity, the estimates of the EBL for the expanding dusty universe are close to observations. The luminosity density evolution fits well measurements. The model reproduces a steep increase of the luminosity density at $z3.5$.

  15. The holographic universe

    CERN Document Server

    Talbot, Michael

    1991-01-01

    'There is evidence to suggest that our world and everything in it - from snowflakes to maple trees to falling stars and spinning electrons - are only ghostly images, projections from a level of reality literally beyond both space and time.' This is the astonishing idea behind the holographic theory of the universe, pioneered by two eminent thinkers: physicist David Bohm, a former protege of Albert Einstein, and quantum physicist Karl Pribram. The holographic theory of the universe encompasses consciousness and reality as we know them, but can also explain such hitherto unexplained phenomena as telepathy, out-of-body experiences and even miraculous healing. In this remarkable book, Michael Talbot reveals the extraordinary depth and power of the holographic theory of the universe, illustrating how it makes sense of the entire range of experiences within our universe - and in other universes beyond our own.

  16. Universities Scale Like Cities

    CERN Document Server

    van Raan, Anthony F J

    2012-01-01

    Recent studies of urban scaling show that important socioeconomic city characteristics such as wealth and innovation capacity exhibit a nonlinear, particularly a power law scaling with population size. These nonlinear effects are common to all cities, with similar power law exponents. These findings mean that the larger the city, the more disproportionally they are places of wealth and innovation. Local properties of cities cause a deviation from the expected behavior as predicted by the power law scaling. In this paper we demonstrate that universities show a similar behavior as cities in the distribution of the gross university income in terms of total number of citations over size in terms of total number of publications. Moreover, the power law exponents for university scaling are comparable to those for urban scaling. We find that deviations from the expected behavior can indeed be explained by specific local properties of universities, particularly the field-specific composition of a university, and its ...

  17. The First Modern University: The University of Birmingham

    Science.gov (United States)

    Arthur, James

    2017-01-01

    The University of Birmingham was planned, advanced and established with both national and German models of a University in mind. Civic reasons for the planning of the University need to be viewed within a broader motivational context. Even with a strong sense of civic place, the University was conceived as a modern University with multiple…

  18. Universities do more

    DEFF Research Database (Denmark)

    Hendricks, Vincent Fella

    2014-01-01

    In the public eye, universities are typically acknowledged for providing two kinds of services: education and research. But universities do much more—and with a long shelf life, too. Universities also promote classic virtues like to seize the day—carpe diem; dare to know—sapere aude; the value...... of hard work—semper ardens; and to hurry slowly with reflection—festina lente. Good old-fashioned Latin strong suits. The narrative of instilling these virtues is hardly ever advertised by academia. Why not? Partly because they sound almost archaic. But they don’t have to be—especially not in this digital...

  19. The Universal Recommender

    CERN Document Server

    Kunegis, Jérôme; Umbrath, Winfried

    2009-01-01

    We describe the Universal Recommender, a recommender system for semantic datasets that generalizes domain-specific recommenders such a content-based, collaborative, social, bibliographic, lexicographic, hybrid and other recommenders. In contrast to existing recommender systems, the Universal Recommender applies to any dataset that allows a semantic representation. We describe the scalable three-stage architecture of the Universal Recommender and its application to Internet Protocol Television (IPTV). To achieve good recommendation accuracy, several novel machine learning and optimization problems are identified. We finally give a brief argument supporting the need for machine learning recommenders.

  20. Galaxies & the universe

    CERN Document Server

    Homer, Charlene

    2007-01-01

    Get the big picture about Galaxies and our Universe. From the smallest particles of matter to the biggest star system, our universe is made up of all things that exist in space. Our resource takes you through the Milky Way Galaxy, Black Holes and Gravity, then on to Nebulae, Sources of Light and the Speed of Light, and finally to Quasars, the most distant objects in the universe. Written using simplified language and vocabulary, our resource presents science concepts in a way that makes them accessible to students and easier to understand. Comprised of reading passages, student activities for

  1. Cyberplagiarism in University Regulations

    Directory of Open Access Journals (Sweden)

    Santiago Cavanillas

    2008-12-01

    Full Text Available The article examines the legal framework for plagiarism, and its twofold nature of illicit appropriation (from the author of the plagiarized work and fraud (with regard to the target audience of the plagiarism. Based on these premises, academic cyberplagiarism is analysed as a form of plagiarism carried out using electronic tools in the university setting. The question of responsibility (who can regulate the legal consequences of plagiarism? before and after the Ley Orgánica de Universidades (organic law on universities, LOU is studied, as is the disciplinary handling of cyberplagiarism with the limited regulations currently in place at universities.

  2. Consciousness in the Universe

    Directory of Open Access Journals (Sweden)

    Khalil Chamcham

    2013-07-01

    Full Text Available So far we can identify at least three concepts within modern cosmology that bring into debate the question of consciousness in the universe: 1 Fine Tuning; 2 The Anthropic Principle and 3 The Multiverse. This does not exclude the question of the role of observer (i.e. consciousness in cosmology as developed within Quantum Physics: we observe the universe through quanta and any breakthrough in understanding the origin and nature of the universe will come only through a quantum theory of gravity […

  3. The Dark Universe Riddle

    CERN Document Server

    Capistrano, A J S

    2008-01-01

    In this work we review some of the theoretical efforts and experimental evidences related to Dark matter and Dark energy problems in the universe. These dilemmas show us how incomplete our knowledge of gravity is, and how our concepts about the universe must at least be revised. Mainly, on the Wilkinson Microwave Anisotropy Probe (WMAP) fifth year, the data indicates that more than 90% of the total energy density of the universe is dark. Here we discuss the impact of these phenomena imprint on gravitational and quantum field theory's standard history. Moreover, we point out some recent and upcoming projects on Cosmology in a quest to understand theses issues thoroughly.

  4. Universe of Particles

    CERN Multimedia

    CERN Video Productions

    2010-01-01

    The entire Universe is made up of particles. But where do they come from? What is the origin of the laws of nature? The permanent exhibition "Universe of Particles", installed on the ground floor of the Globe of Science and Innovation, invites you to discover CERN by taking you on a journey all the way back to the Big Bang. It will help you answer questions such as: What's the purpose of this research? How do you accelerate particles? How do you detect them? What are today's theories on matter and the Universe? How does this affect our daily life?

  5. TMDs, universality and factorization

    CERN Document Server

    D'Alesio, Umberto

    2011-01-01

    We present a short overview on transverse momentum dependent parton distribution and fragmentation functions, giving their partonic interpretation and ways to access them. We then discuss the issue of their universality and its connection to factorization in perturbative QCD.

  6. Universal router concept

    Science.gov (United States)

    Pesch, W. A.

    1970-01-01

    Portable universal router can cut holes of large diameter and irregular shapes, machine recesses, and drill holes with certain edge-distance limitations. Rectangular and round holes may be cut without a template.

  7. University/industry research

    Science.gov (United States)

    Bell, Peter M.

    The problems encountered in mixing industrial and university research goals can be major, but so can the benefits. The National Science Board (NSB) recently released a report on “University-Industry Research Relationships: Selected Studies” (U.S. Government Printing Office, Washington, DC, 1983). It is an analysis of the much-discussed new trend toward increased industrial funding of university research projects.University laboratories cannot generally solve industry's R&D problems. Success for the corporation in sponsoring academic research is realized in the value of cooperative research programs as training exercises for future industrial scientists. An occasional patent arising from such a project is considered an added benefit, not a primary goal.

  8. University of Southern California

    Data.gov (United States)

    Federal Laboratory Consortium — The focus of the University of Southern California (USC) Children''s Environmental Health Center is to develop a better understanding of how host susceptibility and...

  9. On Separate Universes

    CERN Document Server

    Dai, Liang; Schmidt, Fabian

    2015-01-01

    The separate universe conjecture states that in General Relativity a density perturbation behaves locally (i.e. on scales much smaller than the wavelength of the mode) as a separate universe with different background density and curvature. We prove this conjecture for a spherical compensated tophat density perturbation of arbitrary amplitude and radius in $\\Lambda$CDM. We then use Conformal Fermi Coordinates to generalize this result to scalar perturbations of arbitrary configuration and scale in a general cosmology with a mixture of fluids, but to linear order in perturbations. In this case, the separate universe conjecture holds for the isotropic part of the perturbations. The anisotropic part on the other hand is exactly captured by a tidal field in the Newtonian form. We show that the separate universe picture is restricted to scales larger than the sound horizons of all fluid components. We then derive an expression for the locally measured matter bispectrum induced by a long-wavelength mode of arbitrary...

  10. University College Hospital, Ibadan

    African Journals Online (AJOL)

    Pattern of semen analysis of male partners of infertile couples at the. University College ... Hospital, Ibadan, Nigeria, between 1st January 1990 and 31st. December, 1999. .... reproduction, pregnancy can now be accomplished in area where it.

  11. The European University Landscape

    DEFF Research Database (Denmark)

    Daraio, Cinzia; Bonaccorsi, Andrea; Geuna, Aldo

    2011-01-01

    This paper provides a new and systematic characterization of 488 universities, from 11 European countries: Finland, France, Germany, Hungary, Italy, Netherlands, Norway, Portugal, Spain, Switzerland and UK. Using micro indicators built on the integrated Aquameth database, we characterize...

  12. Perelman's Universal Audience.

    Science.gov (United States)

    Ray, John W.

    1978-01-01

    Examines the concept of the universal audience as the basic factor of Chaim Perelman's rhetorical theory and concludes that it is subject to the same criticism as Rousseau's general will and Kant's categorical imperative. (JMF)

  13. 2017 TRI University Challenge

    Science.gov (United States)

    Details about the 2017 TRI University Challenge, in which EPA is looking to academic institutions to help build a diverse portfolio of practical and replicable projects that benefit communities, the environment, academic institutions, and the TRI Program.

  14. The Universe and Life

    Directory of Open Access Journals (Sweden)

    Eduard Kazantsev

    2016-02-01

    Full Text Available This article discusses some of the unsolved problems of modern cosmology, which lead to the need to consider the role of living matter in the evolution of the universe. The author proposes the hy- pothesis of the emergence, in the process of evolution of the universe, “biological vacuum” (physical antipode, which has a purpose of improving physical matter until the appearance of living matter. Substantiates the idea that the “biological vacuum” in the “live” dark matter with the participation of a living organism as an intermediary. The model of a stationary universe, as the local group of galaxies, placed in a halo of “live” dark matter. At the end of the article the author predicts the final evolution of the physical universe (after the collapse of the physical fields and particles as the begin- ning of a new stage of evolution of the “live” dark matter.

  15. Institutional Strategies: Duke University.

    Science.gov (United States)

    Franklin, Phyllis

    1982-01-01

    The planning process, objectives, and procedures used by Duke's chancellor during the retrenchment process are summarized. The emphasis was placed on enhancing the university's strengths while reducing costs and on enlisting faculty support and assistance in the change process. (MSE)

  16. Burnout in university students

    National Research Council Canada - National Science Library

    Carmen Cecilia Caballero D; Edgar Breso Esteve; Orlando González Gutierréz

    2015-01-01

      In order to provide a better understanding and characterization of the nature of academic burnout in university students, a review of the concept, its evolution and extrapolation of the work context...

  17. Einstein's static universe

    CERN Document Server

    Soares, Domingos Savio

    2012-01-01

    Einstein's static model is the first relativistic cosmological model. The model is static, finite and of spherical spatial symmetry. I use the solution of Einstein's field equations in a homogeneous and isotropic universe -- Friedmann's equation -- to calculate the radius of curvature of the model (also known as "Einstein's universe"). Furthermore, I show, using a Newtonian analogy, the model's mostly known feature, namely, its instability under small perturbations on the state of equilibrium.

  18. Universal Sampling Rate Distortion

    OpenAIRE

    Boda, Vinay Praneeth; Narayan, Prakash

    2017-01-01

    We examine the coordinated and universal rate-efficient sampling of a subset of correlated discrete memoryless sources followed by lossy compression of the sampled sources. The goal is to reconstruct a predesignated subset of sources within a specified level of distortion. The combined sampling mechanism and rate distortion code are universal in that they are devised to perform robustly without exact knowledge of the underlying joint probability distribution of the sources. In Bayesian as wel...

  19. Beyond universal precautions.

    OpenAIRE

    Osterman, J W

    1995-01-01

    Universal precautions have gained wide acceptance in the literature and are promoted by major health care regulatory bodies as a measure to prevent nosocomial transmission of bloodborne diseases. Nevertheless, Dr. James G. Wright and associates (see pages 1089 to 1095 of this issue) provide evidence of the infrequent use of universal precautions by surgeons in Toronto. Their findings are consistent with those of similar studies and point to the limitations of any safety approach that relies o...

  20. The Low Temperature Universe

    Science.gov (United States)

    Blandford, Roger; Simeon, Paul

    2009-12-01

    We are used to thinking of the universe as a hot place, full of bright stars, quasars, gamma ray bursts, and so on, emanating from a giant explosion-the Big Bang. However, the universe can also be a surprisingly cool place. It is permeated by a background radiation with a temperature close to that of liquid helium. This paper is based on a public lecture aimed at non-specialists.

  1. The universal access handbook

    CERN Document Server

    Stephanidis, Constantine

    2009-01-01

    In recent years, the field of Universal Access has made significant progress in consolidating theoretical approaches, scientific methods and technologies, as well as in exploring new application domains. Increasingly, professionals in this rapidly maturing area require a comprehensive and multidisciplinary resource that addresses current principles, methods, and tools. Written by leading international authorities from academic, research, and industrial organizations and nonmarket institutions, The Universal Access Handbook covers the unfolding scientific, methodological, technological, and pol

  2. Universal computer interfaces

    CERN Document Server

    Dheere, RFBM

    1988-01-01

    Presents a survey of the latest developments in the field of the universal computer interface, resulting from a study of the world patent literature. Illustrating the state of the art today, the book ranges from basic interface structure, through parameters and common characteristics, to the most important industrial bus realizations. Recent technical enhancements are also included, with special emphasis devoted to the universal interface adapter circuit. Comprehensively indexed.

  3. University Curricula in Nanoelectronics

    DEFF Research Database (Denmark)

    Bruun, Erik; Nielsen, Ivan Ring

    2009-01-01

    Nanotechnology is having increasing impact on university curricula in electrical engineering. The advent of nanotechnology brings about new possibilities in nanoelectronics, including increasingly complex systems on chip, sophisticated technology fusion between electronic devices and non-electron...... examples of state-of-the-art curricula from major European universities are described. The possibilities for sharing of teaching material through the web via the EC-sponsored EuroTraining program is described....

  4. Determining All Universal Tilers

    CERN Document Server

    Wang, David G L

    2011-01-01

    A universal tiler is a convex polyhedron whose every cross-section tiles the plane. In this paper, we introduce a certain slight-rotating operation for cross-sections of pentahedra. Based on a selected initial cross-section and by applying the slight-rotating operation suitably, we prove that a convex polyhedron is a universal tiler if and only if it is a tetrahedron or a triangular prism.

  5. On Universal Tilers

    CERN Document Server

    Wang, David G L

    2011-01-01

    A famous problem in discrete geometry is to find all monohedral plane tilers, which is still open to the best of our knowledge. This paper concerns with one of its variants that to determine all convex polyhedra whose every cross-section tiles the plane. We call such polyhedra universal tilers. We obtain that a convex polyhedron is a universal tiler only if it is a tetrahedron or a pentahedron.

  6. Open static Chaplygin universe

    CERN Document Server

    Khalatnikov, I M

    2003-01-01

    We apply the qualitative theory of dynamical systems to the study of the Chaplygin gas cosmological model. In difference to earlier works devoted to this model we give up sign restrictions on the choice of the sign of the energy density and on the parameters characterising initial conditions for a cosmological evolution. It appears that exists a static stable open universe filled with the Chaplygin gas. Besides exist universes where the acoustic waves have a velocity exceeding that of light in the vacuum.

  7. University contracts summary book

    Energy Technology Data Exchange (ETDEWEB)

    None

    1980-08-01

    The principal objectives of the Fossil Energy Program are to seek new ideas, new data, fundamental knowledge that will support the ongoing programs, and new processes to better utilize the nation's fossil energy resources with greater efficiency and environmental acceptability. Toward this end, the Department of Energy supports research projects conducted by universities and colleges to: Ensure a foundation for innovative technology through the use of the capabilities and talents in our academic institutions; provide an effective, two-way channel of communication between the Department of Energy and the academic community; and ensure that trained technical manpower is developed to carry out basic and applied research in support of DOE's mission. Fossil Energy's university activities emphasize the type of research that universities can do best - research to explore the potential of novel process concepts, develop innovative methods and materials for improving existing processes, and obtain fundamental information on the structure of coal and mechanisms of reactions of coal, shale oil, and other fossil energy sources. University programs are managed by different Fossil Energy technical groups; the individual projects are described in greater detail in this book. It is clear that a number of research areas related to the DOE Fossil Energy Program have been appropriate for university involvement, and that, with support from DOE, university scientific and technical expertise can be expected to continue to play a significant role in the advancement of fossil energy technology in the years to come.

  8. University students' mental health: Aksaray University example

    Directory of Open Access Journals (Sweden)

    Rezzan Gündoğdu

    2013-11-01

    Full Text Available This study examines whether mental health scores of the university students differ based on gender, whether they study in their ideal majors, whether they are contended with their majors, economic condition perceived and perceptions on employment opportunity after graduation. The sample group of the study constituted 3492 students comprising 2037 female students and 1455 male students attending Faculty of Education (634, Engineering Faculty (1582, Economic and Administrative Sciences Faculty (1097, Faculty of Science and Letters (762, Medical Vocational College (540, Physical Training and Sports College (443 and Aksaray Vocational College (1452 of Aksaray University in 2010-2011 Academic Year. Symptom Checklist (SCL 90-R developed by Deragotis, (1983; eg Öner, 1997 has been used to collect data on mental health level of the students involved in the study. Statistical analysis of the data collected has been carried out using t Test, One-way Analysis of Variance (ANOVA. Significant differences have been found in students in terms of independent variants according to the general symptom average score and numerous sub-scale scores.

  9. Frequent Questions About Universal Waste

    Science.gov (United States)

    Frequent questions such as Who is affected by the universal waste regulations? What is “mercury-containing equipment”? How are waste batteries managed under universal waste? How are waste pesticides managed under universal waste?

  10. Giving German universities a boost.

    Science.gov (United States)

    Tuffs, Annette

    2006-08-25

    Although well respected, German universities are no longer considered world class. Efforts to rejuvenate the German university system include a competition to confer elite status on the country's ten leading universities.

  11. The Gravitational Universe

    CERN Document Server

    Danzmann, K

    2013-01-01

    The last century has seen enormous progress in our understanding of the Universe. We know the life cycles of stars, the structure of galaxies, the remnants of the big bang, and have a general understanding of how the Universe evolved. We have come remarkably far using electromagnetic radiation as our tool for observing the Universe. However, gravity is the engine behind many of the processes in the Universe, and much of its action is dark. Opening a gravitational window on the Universe will let us go further than any alternative. Gravity has its own messenger: Gravitational waves, ripples in the fabric of spacetime. They travel essentially undisturbed and let us peer deep into the formation of the first seed black holes, exploring redshifts as large as z ~ 20, prior to the epoch of cosmic re-ionisation. Exquisite and unprecedented measurements of black hole masses and spins will make it possible to trace the history of black holes across all stages of galaxy evolution, and at the same time constrain any devia...

  12. Recipes for the Universe

    CERN Multimedia

    2005-01-01

    As part of the World Year of Physics, the Physics Section of the University of Geneva is organising a series of conferences for the uninitiated. Each of the conferences will begin with a demonstration in the auditorium of the detection of cosmic rays and, in collaboration with Professor E. Ellberger of the Conservatoire de Musique de Genève, of how these signals from the farthest reaches of the Universe can be used to create "cosmic music". The third conference in the series, "How to build a universe?", will take place on Tuesday 15 March 2005 and the speaker will be the CERN theoretical physicist, John Ellis. A tiny number of elementary particles are responsible for the very diverse universe that surrounds us. These basic building blocks of matter interact by exchanging photons and other similar particles. After summing up what we know about these fundamental building blocks, their role in the history of the universe will be discussed. Where does matter come from? Where do the structures that ...

  13. Recipes for the Universe

    CERN Multimedia

    2005-01-01

    As part of the World Year of Physics, the Physics Section of the University of Geneva is organising a series of conferences for the uninitiated. Each of the conferences will begin with a demonstration in the auditorium of the detection of cosmic rays and, in collaboration with Professor E. Ellberger of the Conservatoire de Musique de Genève, of how these signals from the farthest reaches of the Universe can be used to create "cosmic music". The third conference in the series, "How to build a universe?", will take place on Tuesday 15 March 2005 and the speaker will be the CERN theoretical physicist, John Ellis. A tiny number of elementary particles are responsible for the very diverse universe that surrounds us. These basic building blocks of matter interact by exchanging photons and other similar particles. After summing up what we know about these fundamental building blocks, their role in the history of the universe will be discussed. Where does matter come from? Where do the structures that ...

  14. The entangled accelerating universe

    Energy Technology Data Exchange (ETDEWEB)

    Gonzalez-Diaz, Pedro F. [Colina de los Chopos, Instituto de Fisica Fundamental, Consejo Superior de Investigaciones Cientificas, Serrano 121, 28006 Madrid (Spain); Estacion Ecologica de Biocosmologia, Pedro de Alvarado, 14, 06411-Medellin (Spain)], E-mail: p.gonzalezdiaz@imaff.cfmac.csic.es; Robles-Perez, Salvador [Colina de los Chopos, Instituto de Fisica Fundamental, Consejo Superior de Investigaciones Cientificas, Serrano 121, 28006 Madrid (Spain); Estacion Ecologica de Biocosmologia, Pedro de Alvarado, 14, 06411-Medellin (Spain)

    2009-08-31

    Using the known result that the nucleation of baby universes in correlated pairs is equivalent to spacetime squeezing, we show in this Letter that there exists a T-duality symmetry between two-dimensional warp drives, which are physically expressible as localized de Sitter little universes, and two-dimensional Tolman-Hawking and Gidding-Strominger baby universes respectively correlated in pairs, so that the creation of warp drives is also equivalent to spacetime squeezing. Perhaps more importantly, it has been also seen that the nucleation of warp drives entails a violation of the Bell's inequalities, and hence the phenomena of quantum entanglement, complementarity and wave function collapse. These results are generalized to the case of any dynamically accelerating universe filled with dark or phantom energy whose creation is also physically equivalent to spacetime squeezing and to the violation of the Bell's inequalities, so that the universe we are living in should be governed by essential sharp quantum theory laws and must be a quantum entangled system.

  15. Thermodynamics of Fractal Universe

    CERN Document Server

    Sheykhi, Ahmad; Wang, Bin

    2012-01-01

    We investigate the thermodynamical properties of the apparent horizon in a fractal universe. We find that one can always rewrite the Friedmann equation of the fractal universe in the form of the entropy balance relation $ \\delta Q=TdS+Td\\tilde{S}$, where $ \\delta Q $ and $ T $ are the energy flux and Unruh temperature seen by an accelerated observer just inside the apparent horizon, and $d\\tilde{S}$ is the entropy production term due to nonequilibrium thermodynamics of fractal universe. This shows that in a fractal universe, a treatment with nonequilibrium thermodynamics of spacetime may be needed. We also study the generalized second law of thermodynamics in the framework of fractal universe. When the temperature of the apparent horizon and the matter fields inside the horizon are equal, i.e. $T=T_h$, the generalized second law of thermodynamics can be fulfilled provided the deceleration and the equation of state parameters ranges either as $-1 \\leq q < 0 $, $- 1 \\leq w < - 1/3$ or as $q<-1$, $w<...

  16. Universe opacity and EBL

    Science.gov (United States)

    Vavryčuk, Václav

    2017-02-01

    The observed extragalactic background light (EBL) is affected by light attenuation due to absorption of light by galactic and intergalactic dust in the Universe. Even galactic opacity of 10-20 per cent and minute universe intergalactic opacity of 0.01 mag h Gpc-1 at the local Universe have a significant impact on the EBL because obscuration of galaxies and density of intergalactic dust increase with redshift as (1 + z)3. Consequently, intergalactic opacity increases and the Universe becomes considerably opaque at z > 3. Adopting realistic values for galactic and intergalactic opacity, the estimates of the EBL for the expanding dusty universe are close to observations. The luminosity density evolution fits well measurements. The model reproduces a steep increase of the luminosity density at z EBL ranges from 100 to 200 nW m-2 sr-1 and is within the limits of 40 and 200 nW m-2 sr-1 of current EBL observations. The model predicts 98 per cent of the EBL coming from radiation of galaxies at z 3.5.

  17. University-Community Engagement: Case Study of University Social Responsibility

    Science.gov (United States)

    Chile, Love M.; Black, Xavier M.

    2015-01-01

    Corporatisation of universities has drawn parallels between contemporary universities and business corporations, and extended analysis of corporate social responsibility to universities. This article reports on a case study of university-community engagement with schools and school communities through youth engagement programmes to enhance…

  18. University-Community Engagement: Case Study of University Social Responsibility

    Science.gov (United States)

    Chile, Love M.; Black, Xavier M.

    2015-01-01

    Corporatisation of universities has drawn parallels between contemporary universities and business corporations, and extended analysis of corporate social responsibility to universities. This article reports on a case study of university-community engagement with schools and school communities through youth engagement programmes to enhance…

  19. Assembling University Education

    DEFF Research Database (Denmark)

    Olsen, Poul Bitsch

    2015-01-01

    material organizing devices, students as learning subjects, and teachers as experienced academic practitioners are discussed in order to explore how academic values are translated and transformed during the education process, and how the material assemblages in evidence are both reflective and constitutive......This paper compares ways of materializing methodology of learning at two different universities. One of our sites is the basic studies program for social science and business studies students at a new problem-oriented university. The other site is the integrative methods course for communication...... studies students in a traditional university. In particular, Becker‘s (1988) description of a social field of knowing and theories about the role of assemblages and materiality in practice-based studies (Law 1987,1992, Gherardi 2006, Svabo 2009) are used as organizing concepts. The relations between...

  20. Do closed universes recollapse?

    Science.gov (United States)

    Tipler, Frank J.

    The conditions for recollapse in universes with compact maximal hypersurfaces are investigated theoretically, reviewing the results of recent investigations. The importance of recollapse for observational astrophysics is briefly discussed, and particular attention is given to the implications of maximal hypersurfaces and to recollapse in S3 Friedmann universes. It is conjectured that all globally hyperbolic C2 maximally extended spatially homogeneous closed universes with S3 or S2 x S1 topology and with stress-energy tensors obeying the strong-energy, positive-pressure, dominant-energy, and matter-regularity conditions do expand from an all-encompassing initial singularity to a maximal hypersurface and then recollapse to an all-encompassing final singularity.

  1. University Community Partnerships

    Directory of Open Access Journals (Sweden)

    Jonathan G. Cooper

    2014-03-01

    Full Text Available University-Community Partnerships have been recognized as a valuable contribution to both the academic community and our cities and towns. In the words of Henry Cisneros, former U.S. Department of Housing and Urban Design secretary, “The long-term futures of both the city and the university in this country are so intertwined that one cannot—or perhaps will not—survive without the other.” Increasingly, colleges and university are bringing their time, energy and resources to bear on local problems. They are using their other physical, financial and intellectual capital to facilitate economic development, provide social services, technical assistance and create opportunities for applied research.

  2. Universality of geometry

    CERN Document Server

    Wetterich, C

    2012-01-01

    In models of emergent gravity the metric arises as the expectation value of some collective field. Usually, many different collective fields with appropriate tensor properties are candidates for a metric. Which collective field describes the "physical geometry"? We resolve this "metric ambiguity" by an investigation of the most general form of the quantum effective action for several metrics. In the long-distance limit the physical metric is universal and accounts for a massless graviton. Other degrees of freedom contained in the various metric candidates describe very massive scalars and symmetric second rank tensors. They only play a role at microscopic distances, typically around the Planck length. The universality of geometry at long distances extends to the vierbein and the connection. On the other hand, for distances and time intervals of Planck size geometry looses its universal meaning. Time is born with the big bang.

  3. The anamorphic universe

    CERN Document Server

    Ijjas, Anna

    2015-01-01

    We introduce "anamorphic" cosmology, an approach for explaining the smoothness and flatness of the universe on large scales and the generation of a nearly scale-invariant spectrum of adiabatic density perturbations. The defining feature is a smoothing phase that acts like a contracting universe based on some Weyl frame-invariant criteria and an expanding universe based on other frame-invariant criteria. An advantage of the contracting aspects is that it is possible to avoid the multiverse and measure problems that arise in inflationary models. Unlike ekpyrotic models, anamorphic models can be constructed using only a single field and can generate a nearly scale-invariant spectrum of tensor perturbations. Anamorphic models also differ from pre-big bang and matter bounce models that do not explain the smoothness. We present some examples of cosmological models that incorporate an anamorphic smoothing phase.

  4. The anamorphic universe

    Science.gov (United States)

    Ijjas, Anna; Steinhardt, Paul J.

    2015-10-01

    We introduce ``anamorphic'' cosmology, an approach for explaining the smoothness and flatness of the universe on large scales and the generation of a nearly scale-invariant spectrum of adiabatic density perturbations. The defining feature is a smoothing phase that acts like a contracting universe based on some Weyl frame-invariant criteria and an expanding universe based on other frame-invariant criteria. An advantage of the contracting aspects is that it is possible to avoid the multiverse and measure problems that arise in inflationary models. Unlike ekpyrotic models, anamorphic models can be constructed using only a single field and can generate a nearly scale-invariant spectrum of tensor perturbations. Anamorphic models also differ from pre-big bang and matter bounce models that do not explain the smoothness. We present some examples of cosmological models that incorporate an anamorphic smoothing phase.

  5. UNIVERSITIES FINANCING POLICY ISSUES

    Directory of Open Access Journals (Sweden)

    Ala CRECIUN

    2013-09-01

    Full Text Available University autonomy represented an additional argument against government interference in university education. From academic perspective, the diversification of funding sources and the introduction of changes in the funding mechanism represented positive factors in the evolution of higher education. It is obvious that most of the problems associated with underfunding of higher education are relevant because it affects the quality of education and overall performance of universities. Since the training costs per capita in the higher education system were the lowest compared with the same indicator in relation to vocational schools and colleges in the period of 2005 – 2009, it is clear that underfunding is real and requires necessary measures to be taken to remedy the situation

  6. The apparent Universe

    Science.gov (United States)

    Binétruy, P.; Helou, A.

    2015-10-01

    We exploit the parallel between dynamical black holes and cosmological spacetimes to describe the evolution of Friedmann-Lemaître-Robertson-Walker universes from the point of view of an observer in terms of the dynamics of the apparent horizon. Using the Hayward-Kodama formalism of dynamical black holes, we clarify the role of the Clausius relation to derive the Friedmann equations for a Universe, in the spirit of Jacobson’s work on the thermodynamics of spacetime. We also show how dynamics at the horizon naturally leads to the quantum-mechanical process of Hawking radiation. We comment on the connection of this work with recent ideas to consider our observable Universe as a Bose-Einstein condensate and on the corresponding role of vacuum energy.

  7. Phonology without Universal Grammar

    Directory of Open Access Journals (Sweden)

    Diana eArchangeli

    2015-09-01

    Full Text Available The question of identifying the properties of language that are specific human linguistic abilities, i.e. Universal Grammar, lies at the center of linguistic research. This paper argues for a largely Emergent Grammar in phonology, taking as the starting point that memory, categorization, attention to frequency, and the creation of symbolic systems are all nonlinguistic characteristics of the human mind. The articulation patterns of American English rhotics illustrate categorization and systems; the distribution of vowels in Bantu vowel harmony uses frequencies of particular sequences to argue against Universal Grammar and in favor of Emergent Grammar; prefix allomorphy in Esimbi illustrates the Emergent symbolic system integrating phonological and morphological generalizations. The Esimbi case has been treated as an example of phonological opacity in a Universal Grammar account; the Emergent analysis resolves the pattern without opacity concerns.

  8. Virtual university governance.

    Science.gov (United States)

    Hovenga, Evelyn J S

    2004-01-01

    There is a need to establish collaboration alliances or partnerships if we are to provide global Health Informatics educatics education. Agreements need to make provision for the existing diversity between country educational systems as well as variations in funding, legislation and political systems and a number of other issues including intellectual property and copyright. Four virtual University governance models were identified, 1) evolution of existing universities, 2) newly created organisations collectively delivering one type of program eg MBA, 3) a consortium of partners using a common portal and 4) a commercial enterprise. Collectively IMIA academic members need to be in a good position to respond to the global changes in higher education and minimise the risk of failure when establishing a virtual University to collectively deliver Health Informatics education. Others have undertaken a similar path in the past, some successful others not so, we need to learn from these experiences.

  9. Phonology without universal grammar.

    Science.gov (United States)

    Archangeli, Diana; Pulleyblank, Douglas

    2015-01-01

    The question of identifying the properties of language that are specific human linguistic abilities, i.e., Universal Grammar, lies at the center of linguistic research. This paper argues for a largely Emergent Grammar in phonology, taking as the starting point that memory, categorization, attention to frequency, and the creation of symbolic systems are all nonlinguistic characteristics of the human mind. The articulation patterns of American English rhotics illustrate categorization and systems; the distribution of vowels in Bantu vowel harmony uses frequencies of particular sequences to argue against Universal Grammar and in favor of Emergent Grammar; prefix allomorphy in Esimbi illustrates the Emergent symbolic system integrating phonological and morphological generalizations. The Esimbi case has been treated as an example of phonological opacity in a Universal Grammar account; the Emergent analysis resolves the pattern without opacity concerns.

  10. Addis Ababa University

    OpenAIRE

    Ahmed, Hussein

    2006-01-01

    L’Université d’Addis-Abeba. Cinquante-trois ans d’existence : une vue de l’intérieur. — Établis en 1950 à l’initiative du gouvernement impérial, les différents collèges qui constituaient le University College of Addis Ababa (ucaa) ont été intégrés en 1962 pour former la Haile Sellassie I University (hsiu), plus tard renommée Addis Ababa University (aau). Dans les années 1970 (sauf de 1974 à 1976) et surtout dans les années 1980, l’aau a étendu et diversifié ses programmes universitaires, et a...

  11. Fundamentals of university mathematics

    CERN Document Server

    McGregor, C M; Stothers, W W

    2010-01-01

    The third edition of this popular and effective textbook provides in one volume a unified treatment of topics essential for first year university students studying for degrees in mathematics. Students of computer science, physics and statistics will also find this book a helpful guide to all the basic mathematics they require. It clearly and comprehensively covers much of the material that other textbooks tend to assume, assisting students in the transition to university-level mathematics.Expertly revised and updated, the chapters cover topics such as number systems, set and functions, differe

  12. Did the universe recombine

    Energy Technology Data Exchange (ETDEWEB)

    Bartlett, J.G.; Stebbins, A. (California, University, Berkeley (USA) Toronto, University (Canada))

    1991-04-01

    The Zel'dovich-Sunyaev model-independent arguments for the existence of a neutral hydrogen phase is reviewed in light of new limits on the Compton y parameter from COBE. It is concluded that with baryon densities compatible with standard cosmological nucleosynthesis, the universe could have remained fully ionized throughout its history without producing a detectable spectral distortion. It is argued that it is unlikely that spectral observations of the cosmic microwave background will ever require the universe to have recombined for flat cosmologies. 22 refs.

  13. The Expanding Universe

    Science.gov (United States)

    Heacox, William D.

    2015-11-01

    Introducing the Universe; Part I. Conceptual Foundations: 1. Newtonian cosmology; 2. General relativity; 3. Relativistic cosmology; Part II. General Relativity: 4. General covariance; 5. Equivalence principle; 6. Space-time curvature; 7. Einstein field equations of gravitation; Part III. Universal Expansion: 8. Cosmological field equations; 9. Cosmography; 10. Expansion dynamics; Part IV. Expansion Models: 11. Radiation; 12. Matter; 13. Dark energy; 14. Observational constraints; 15. Concordance cosmological model; Part V. Expansion History: 16. Particle era; 17. Plasma era; 18. Galaxy era; 19. Afterword: the new modern cosmology; Part VI: Appendices; Bibliography; Index.

  14. Bootstrap, universality and horizons

    Energy Technology Data Exchange (ETDEWEB)

    Chang, Chi-Ming [Center for Theoretical Physics and Department of Physics,University of California, Berkeley, CA 94704 (United States); Lin, Ying-Hsuan [Jefferson Physical Laboratory, Harvard University,Cambridge, MA 02138 (United States)

    2016-10-13

    We present a closed form expression for the semiclassical OPE coefficients that are universal for all 2D CFTs with a “weak” light spectrum, by taking the semiclassical limit of the fusion kernel. We match this with a properly regularized and normalized bulk action evaluated on a geometry with three conical defects, analytically continued in the deficit angles beyond the range for which a metric with positive signature exists. The analytically continued geometry has a codimension-one coordinate singularity surrounding the heaviest conical defect. This singularity becomes a horizon after Wick rotating to Lorentzian signature, suggesting a connection between universality and the existence of a horizon.

  15. The 4-percent universe

    CERN Document Server

    Panek, Richard

    2012-01-01

    It is one of the most disturbing aspects of our universe: only four per cent of it consists of the matter that makes up every star, planet, and every book. The rest is completely unknown. Acclaimed science writer Richard Panek tells the story of the handful of scientists who have spent the past few decades on a quest to unlock the secrets of “dark matter" and the even stranger substance called “dark energy". These are perhaps the greatest mysteries in science,and solving them will reshape our understanding of the universe and our place in it. The stakes could not be higher. Panek's fast-paced

  16. Download this PDF file

    African Journals Online (AJOL)

    USER

    2016-05-12

    May 12, 2016 ... Institute of Ecology and Environmental Studies, Obafemi Awolowo University, Ile – Ife,. Nigeria ... Acidity of water ranged (30.00 8.49 - 45.00 26.8 , 15.00 1.41 - 16.00 2.83 .... adversely affect the aquatic life due to its acidic ...

  17. Awareness, knowledge and attitude on cleft lip and palate among ...

    African Journals Online (AJOL)

    2012-11-09

    Nov 9, 2012 ... Materials and Methods: A cross-sectional descriptive study with the aid of a ... The mean cumulative knowledge score was 6.9, with only 19.8% having ... had a statistically significant effect on the level of awareness and ... Obafemi Awolowo University Teaching Hospital, Ile‑Ife, Nigeria .... Don't know.

  18. ISLAM IN THE NON-MUSLIM AREAS OF NORTHERN NIGERIA, c

    African Journals Online (AJOL)

    QUADRI Y A

    Others included Tabiun, “Abdulazeez12 and Professor Yadudu13. Authors like Amos,14 .... The adoption of IFRS in Nigeria today does not negate ..... M.Thesis, Faculty of Law, Obafemi Awolowo University, Ife, 2006, p.1. 40. Moh‟d Daud B, ...

  19. Predictors of paediatric injury mortality

    African Journals Online (AJOL)

    Department of Paediatrics and Child Health, Wesley Guild Hospital Unit, Obafemi Awolowo University ... 90% of global deaths due to injuries in children occur in low-income ... sought and obtained by carefully explaining the purpose and benefits ..... terms of mortality and development of neurological sequelae.4-7,16 In.

  20. Evaluation of patients' adherence to chemotherapy for breast cancer ...

    African Journals Online (AJOL)

    kemrilib

    treatment among breast cancer patients at the Obafemi Awolowo University ... IV. The non-adherence rate was 80.9% and 111(73%) of the non-adherent patients .... 30-39. 50. 1. 6. 14. 29. 40-49. 69. 4. 11. 14. 40. 50-59. 49. 4. 7. 15. 23. 60-69.

  1. Influence of agronomic practices on yield and profitability in kenaf ...

    African Journals Online (AJOL)

    SERVER

    2008-03-04

    Mar 4, 2008 ... Institute of Agricultural Research and Training, Obafemi Awolowo University, PMB 5029, ... that total dry matter, fibre and core yields increased by 150 – 170%, incidence of nematode reduced by ... Farmers' constantly weigh the resulting cost and ... before the technologies are transferred to the farmers.

  2. Universities Venture into Venture Capitalism.

    Science.gov (United States)

    Desruisseaux, Paul

    2000-01-01

    Reports that some universities are starting their own venture-capital funds to develop campus companies, or are investing endowment funds with established venture-capital firms inclined to finance potential spinoffs from campus research. Examples cited are from the University of Alabama, Vanderbilt University (Tennessee), University of…

  3. Observatory of Shiraz University

    Science.gov (United States)

    Bordbar, G. H.; Bahrani, F.

    2016-12-01

    Here we write about the observatory of Shiraz University, which has the largest active telescope in Iran but now, because of problems like light pollution of the nearby city and exhaustion of its largest telescope we need a plan for modernization and automatization in a new place.

  4. Personnel Management. Universities.

    Science.gov (United States)

    Ohio Board of Regents, Columbus. Management Improvement Program.

    This manual is one of 10 completed in the Ohio Management Improvement Program (MIP) during the 1971-73 biennium. In this project, Ohio's 34 public universities and colleges, in an effort directed and staffed by the Ohio Board of Regents, have developed manuals of management practices, in this case, concerning personnel management. Emphasis in this…

  5. Entrepreneurship and University Licensing

    NARCIS (Netherlands)

    Brouwer, M.

    2005-01-01

    Outside invention has gained in importance as universities are actively seeking commercialization of their inventions since the passage of the Bayh-Dole Act. The paper analyzes the incentives to invent for outside and inside inventors. It is shown that outside inventors have greater incentives to in

  6. University Student Online Plagiarism

    Science.gov (United States)

    Wang, Yu-mei

    2008-01-01

    This article reports a study investigating university student online plagiarism. The following questions are investigated: (a) What is the incidence of student online plagiarism? (b) What are student perceptions regarding online plagiarism? (c) Are there any differences in terms of student perceptions of online plagiarism and print plagiarism? (d)…

  7. Universities and Epistemology

    DEFF Research Database (Denmark)

    Barnett, Ronald; Bengtsen, Søren Smedegaard

    2017-01-01

    This paper examines the relation between epistemology and higher education. We shall start by briefly examining three classical texts on the understanding of knowledge at universities, as well as noting some others, and go on to sketch a version of our own. Our argument is as follows: the world...

  8. The Universal Dark Matter

    CERN Document Server

    Soberman, R K; Soberman, Robert K.; Dubin, Maurice

    2006-01-01

    Fragile volatile aggregates with extremely low albedo, gravitationally drawn into the solar system are likely from the dark matter dominating the universal mass. Characteristics of this meteoric population permitted avoiding detection through a half-century's search. Measurements from space probes and in the upper atmosphere prove their existence and confirm their elusive properties.

  9. The Classification of Universes

    Energy Technology Data Exchange (ETDEWEB)

    Bjorken, J

    2004-04-09

    We define a universe as the contents of a spacetime box with comoving walls, large enough to contain essentially all phenomena that can be conceivably measured. The initial time is taken as the epoch when the lowest CMB modes undergo horizon crossing, and the final time taken when the wavelengths of CMB photons are comparable with the Hubble scale, i.e. with the nominal size of the universe. This allows the definition of a local ensemble of similarly constructed universes, using only modest extrapolations of the observed behavior of the cosmos. We then assume that further out in spacetime, similar universes can be constructed but containing different standard model parameters. Within this multiverse ensemble, it is assumed that the standard model parameters are strongly correlated with size, i.e. with the value of the inverse Hubble parameter at the final time, in a manner as previously suggested. This allows an estimate of the range of sizes which allow life as we know it, and invites a speculation regarding the most natural distribution of sizes. If small sizes are favored, this in turn allows some understanding of the hierarchy problems of particle physics. Subsequent sections of the paper explore other possible implications. In all cases, the approach is as bottoms up and as phenomenological as possible, and suggests that theories of the multiverse so constructed may in fact lay some claim of being scientific.

  10. The Politics of Universalism

    DEFF Research Database (Denmark)

    Simonsen, Karen-Margrethe

    2013-01-01

    on trial. It focuses mainly on the arguments made by Bartolomé de las Casas and on the reasons why the King allowed las Casas’ fierce critique of the conquest to be published in a period of otherwise severe censorship. The article is inspired by Etienne Balibar’s idea of ‘politics of universalism...

  11. The universal Higgs fit

    DEFF Research Database (Denmark)

    Giardino, P. P.; Kannike, K.; Masina, I.

    2014-01-01

    Higgs models, models with extra Higgs doublets, supersymmetry, extra particles in the loops, anomalous top couplings, and invisible Higgs decays into Dark Matter. Best fit regions lie around the Standard Model predictions and are well approximated by our 'universal' fit. Latest data exclude the dilaton...

  12. Romanians decipher the Universe

    CERN Multimedia

    Balan, Sorin

    2007-01-01

    We are at the European Nuclear Research Center, the greatest partcile accelerator in the world. Approximately 50 people work here. Thanks to them, Romania can be proud of taking part in the greatest experiment in the world that tries to find an explanation for the ofrmation of the Universe. (1,5 page)

  13. Learning English at University

    Institute of Scientific and Technical Information of China (English)

    李慕颖

    2006-01-01

    @@ Before entering university, I had learned English in an unconscious and mechanic way, and those English words and phrases came to me simply as pronouncing subsidiary(附属的)expressions of Chinese characters. But after that, my interest in English was really awakened and my English-learning entered a new phase.

  14. Entrepreneurial Planning: Tufts University.

    Science.gov (United States)

    Dunn, John A.

    1990-01-01

    This paper focuses on key strategic decisions taken at Tufts University (Massachusetts) under President Jean Mayer noting the role of formal planning and institutional research. Initiatives in the following areas are described: the School of Veterinary Medicine, nutrition, environmental management, entrepreneurial liberation, fund raising, and a…

  15. Universal Index System

    Science.gov (United States)

    Kelley, Steve; Roussopoulos, Nick; Sellis, Timos; Wallace, Sarah

    1993-01-01

    The Universal Index System (UIS) is an index management system that uses a uniform interface to solve the heterogeneity problem among database management systems. UIS provides an easy-to-use common interface to access all underlying data, but also allows different underlying database management systems, storage representations, and access methods.

  16. University Statistics. Third Issue

    Directory of Open Access Journals (Sweden)

    Gabriela S. Giba

    2014-06-01

    Full Text Available Based on the CONEAU document "Accredited postgraduate courses in the Argentinian Republic-2013” the state of university graduate programs accredited under the provisions of Law No. 24,512 on Higher Education (SLE is analyzed, as compared in numb  ers to previous calls.

  17. Explore Your Universe

    Energy Technology Data Exchange (ETDEWEB)

    Lloyd-Ronning, Nicole Marie [Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

    2017-05-01

    This warm-up lab is intended to get students familiar with the large numbers encountered in astronomy (e.g. distances, times, numbers of stars and galaxies in the universe). Students will measure the dimensions of the classroom and/or the distance between objects in the classroom, and report their findings in units of millimeters, micrometers and nanometers.

  18. Ranganathan : A Universal Librarian

    Directory of Open Access Journals (Sweden)

    Abulfazale M. Fazle Kabir

    2003-06-01

    Full Text Available In formulating Five Laws of Library Science Ranganathan has made a lasting and fundamental contribution to the philosophy of library patron service. His Colon Classification has provided a scheme for hierarchical design of faceted subject classification. For such valuable contribution to the profession he has been acclaimed as a universal librarian.

  19. Envisioning a Transdisciplinary University

    Science.gov (United States)

    Carroll, Leigh; Ali, Mohammed K.; Cuff, Patricia; Huffman, Mark D.; Kelly, Bridget; Kishore, Sandeep P.; Narayan, K.M. Venkat; Siegel, Karen R; Vedanthan, Rajesh

    2017-01-01

    Achieving social and economic growth requires collaboration, especially in global health. If universities are to improve health globally, they will need to train students and to support faculty who can effectively collaborate with those from other disciplines and cultures. PMID:25564706

  20. The Best University

    Institute of Scientific and Technical Information of China (English)

    Joseph DeVeto

    2005-01-01

    @@ Liu: Hi Jerry, what are you looking at? Jerry: My cousin is in Beijing and wants to study Chinese here. I'm reading about different Chinese programs in universities around the city,but I don't know which one is the best.

  1. Universal Lagrangian bundles

    NARCIS (Netherlands)

    Sepe, D.

    2013-01-01

    The obstruction to construct a Lagrangian bundle over a fixed integral affine manifold was constructed by Dazord and Delzant (J Differ Geom 26:223–251, 1987) and shown to be given by ‘twisted’ cup products in Sepe (Differ GeomAppl 29(6): 787–800, 2011). This paper uses the topology of universal Lagr

  2. Discovering the Invisible Universe.

    Science.gov (United States)

    Friedman, Herbert

    1991-01-01

    The discovery of radio waves, infrared, and x-rays and their importance in describing the universe and its origins is discussed. Topics include radio waves from space, the radio pioneers of World War II, radio telescopes, infrared radiation, satellites, space missions, and x-ray telescopes. (KR)

  3. The Universal Aspiration.

    Science.gov (United States)

    Wilson, James Q.

    1993-01-01

    Argues that the most remarkable change in the moral history of humankind has been the rise (and the occasional application) of the view that all people, not just one's own kind, are entitled to fair treatment. Ethnic conflict and the role of universal dispositions of human behavior are discussed. (SLD)

  4. Universality classes of inflation

    NARCIS (Netherlands)

    Roest, Diederik

    2014-01-01

    We investigate all single-field, slow-roll inflationary models whose slow-roll parameters scale as 1/N in the limit of a large number of e-folds N. We proof that all such models belong to two universality classes, characterised by a single parameter. One class contains small field models like hillto

  5. Revisiting Universal Grammar

    Directory of Open Access Journals (Sweden)

    MEISEL Jürgen M.

    2000-01-01

    Full Text Available This paper sketches various specific scenarios within the Principles and Parameter Theory under which the question of whether Universal Grammar remains accessible to second language learners should be addressed. It also discusses some implications of several approaches to this issue and offers some speculation as to how the question is to be reformulated in the context of the Minimalist Program.

  6. University of Technology, Twente

    NARCIS (Netherlands)

    Bosma, R.

    1971-01-01

    Tribology is a compulsory final year subject for all students taking a BSc in Mechanical Engineering. Students continuing their study to obtain a further degree can follow another series of lectures. As yet no special courses in tribology for industry have been arranged at this university. A selecti

  7. Entrepreneurship and University Licensing

    NARCIS (Netherlands)

    Brouwer, M.

    2005-01-01

    Outside invention has gained in importance as universities are actively seeking commercialization of their inventions since the passage of the Bayh-Dole Act. The paper analyzes the incentives to invent for outside and inside inventors. It is shown that outside inventors have greater incentives to

  8. Parallel universes beguile science

    CERN Multimedia

    2007-01-01

    A staple of mind-bending science fiction, the possibility of multiple universes has long intrigued hard-nosed physicists, mathematicians and cosmologists too. We may not be able -- as least not yet -- to prove they exist, many serious scientists say, but there are plenty of reasons to think that parallel dimensions are more than figments of eggheaded imagination.

  9. University Student Online Plagiarism

    Science.gov (United States)

    Wang, Yu-mei

    2008-01-01

    This article reports a study investigating university student online plagiarism. The following questions are investigated: (a) What is the incidence of student online plagiarism? (b) What are student perceptions regarding online plagiarism? (c) Are there any differences in terms of student perceptions of online plagiarism and print plagiarism? (d)…

  10. Homecoming at Atwater University

    Science.gov (United States)

    Marshall, Sarah M.; Van Pelt, Scott; Kingsak, Phoebe; Williams, Alexander

    2015-01-01

    Atwater University (AU) administration is struggling with an increased number of student alcohol-related problems. In particular, during the annual homecoming parade, students are extremely intoxicated and belligerent toward alumni. The new dean of students is appalled by the condoned student behavior. He also received two complaint letters from…

  11. The Artful Universe Expanded

    Science.gov (United States)

    Barrow, John D.

    2005-07-01

    Our love of art, writes John Barrow, is the end product of millions of years of evolution. How we react to a beautiful painting or symphony draws upon instincts laid down long before humans existed. Now, in this enhanced edition of the highly popular The Artful Universe , Barrow further explores the close ties between our aesthetic appreciation and the basic nature of the Universe. Barrow argues that the laws of the Universe have imprinted themselves upon our thoughts and actions in subtle and unexpected ways. Why do we like certain types of art or music? What games and puzzles do we find challenging? Why do so many myths and legends have common elements? In this eclectic and entertaining survey, Barrow answers these questions and more as he explains how the landscape of the Universe has influenced the development of philosophy and mythology, and how millions of years of evolutionary history have fashioned our attraction to certain patterns of sound and color. Barrow casts the story of human creativity and thought in a fascinating light, considering such diverse topics as our instinct for language, the origins and uses of color in nature, why we divide time into intervals as we do, the sources of our appreciation of landscape painting, and whether computer-generated fractal art is really art. Drawing on a wide variety of examples, from the theological questions raised by St. Augustine and C.S. Lewis to the relationship between the pure math of Pythagoras and the music of the Beatles, The Artful Universe Expanded covers new ground and enters a wide-ranging debate about the meaning and significance of the links between art and science.

  12. Universe or Multiverse?

    Science.gov (United States)

    Carr, Bernard

    2009-08-01

    Part I. Overviews: 1. Introduction and overview Bernard Carr; 2. Living in the multiverse Steven Weinberg; 3. Enlightenment, knowledge, ignorance, temptation Frank Wilczek; Part II. Cosmology and Astrophysics: 4. Cosmology and the multiverse Martin J. Rees; 5. The anthropic principle revisited Bernard Carr; 6. Cosmology from the top down Stephen Hawking; 7. The multiverse hierarchy Max Tegmark; 8. The inflationary universe Andrei Linde; 9. A model of anthropic reasoning: the dark to ordinary matter ratio Frank Wilczek; 10. Anthropic predictions: the case of the cosmological constant Alexander Vilenkin; 11. The definition and classification of universes James D. Bjorken; 12. M/string theory and anthropic reasoning Renata Kallosh; 13. The anthropic principle, dark energy and the LHC Savas Dimopoulos and Scott Thomas; Part III. Particle Physics and Quantum Theory: 14. Quarks, electrons and atoms in closely related universes Craig J. Hogan; 15. The fine-tuning problems of particle physics and anthropic mechanisms John F. Donoghue; 16. The anthropic landscape of string theory Leonard Susskind; 17. Cosmology and the many worlds interpretation of quantum mechanics Viatcheslav Mukhanov; 18. Anthropic reasoning and quantum cosmology James B. Hartle; 19. Micro-anthropic principle for quantum theory Brandon Carter; Part IV. More General Philosophical Issues: 20. Scientific alternatives to the anthropic principle Lee Smolin; 21. Making predictions in a multiverse: conundrums, dangers, coincidences Anthony Aguirre; 22. Multiverses: description, uniqueness and testing George Ellis; 23. Predictions and tests of multiverse theories Don N. Page; 24. Observation selection theory and cosmological fine-tuning Nick Bostrom; 25. Are anthropic arguments, involving multiverses and beyond, legitimate? William R. Stoeger; 26. The multiverse hypothesis: a theistic perspective Robin Collins; 27. Living in a simulated universe John D. Barrow; 28. Universes galore: where will it all end? Paul

  13. The future of the universe

    CERN Document Server

    Meadows, AJ

    2007-01-01

    Many books have described how the universe became the way it is today. But what about the future of the universe? How long might the universe as we recognize it survive? The Future of the Universe takes the reader on a journey through space and time, beginning with a long look at the Earth and solar system, voyaging to the outermost galaxies, and finishing with speculations about the life and fate of the entire universe.

  14. Universality for quintessence

    CERN Document Server

    Cicciarella, F

    2016-01-01

    Several recent works suggested the possibility of describing inflation by means of a renormalization group equation. In this paper we discuss the application of these methods to models of quintessence. In this framework a period of exponential expansion corresponds to the slow evolution of the scalar field in the neighborhood of a fixed point. A minimal set of universality classes for models of quintessence is defined and the transition from a matter dominated to quintessence dominated universe is studied. Models in which quintessence is non-minimally coupled with gravity are also discussed. We show that the formalism proves to be extremely convenient to describe quintessence and moreover we find that in most of the models discussed in this work quintessence naturally takes over ordinary matter.

  15. Performance Measurement at Universities

    DEFF Research Database (Denmark)

    Lueg, Klarissa

    2014-01-01

    This paper proposes empirical approaches to testing the reliability, validity, and organizational effectiveness of student evaluations of teaching (SET) as a performance measurement instrument in knowledge management at the institutional level of universities. Departing from Weber’s concept...... of bureaucracy and critical responses to this concept, we discuss how contemporary SET are used as an instrument of organizational control at Danish universities. A discussion of the current state of performance measurement within the frame of new public management (NPM) and its impact on knowledge creation......, it can be investigated if SET actually contribute to teaching improvement by examining how the instrument is integrated into systematic ex-ante and ex-post organizational management. It is expected to find discrepancy between the proponents’ intent to evaluate teaching and the way the performance...

  16. Gravity heats the Universe

    CERN Document Server

    Moss, Adam

    2009-01-01

    Structure in the Universe grew through gravitational instability from very smooth initial conditions. Energy conservation requires that the growing negative potential energy of these structures is balanced by an increase in kinetic energy. A fraction of this is converted into heat in the collisional gas of the intergalactic medium. Using a toy model of gravitational heating we attempt to link the growth of structure in the Universe and the average temperature of this gas. We find that the gas is rapidly heated from collapsing structures at around $z {\\sim} 10$, reaching a temperature ${>} 10^6$K today, depending on some assumptions of our simplified model. Before that there was a cold era from $z\\sim100$ to $\\sim10$ in which the matter temperature is below that of the Cosmic Microwave Background.

  17. Improving University Research Value

    Directory of Open Access Journals (Sweden)

    Kelley O’Reilly

    2012-07-01

    Full Text Available This article investigates the current data management practices of university researchers at an Intermountain West land-grant research university in the United States. Key findings suggest that researchers are primarily focused on the collection and housing of research data. However, additional research value exists within the other life cycle stages for research data—specifically in the stages of delivery and maintenance. These stages are where most new demands and requirements exist for data management plans and policies that are conditional for external grant funding; therefore, these findings expose a “gap” in current research practice. These findings should be of interest to academics and practitioners alike as findings highlight key management gaps in the life cycle of research data. This study also suggests a course of action for academic institutions to coalesce campus-wide assets to assist researchers in improving research value.

  18. [Universal coaxial anesthetic system].

    Science.gov (United States)

    Ungerer, M J; le Roux, F P

    1978-02-25

    A true universal co-axial anaesthetic system has been designed. This system may be used either as a Mapleson A circuit during spontaneous ventilation or as a Mapleson D circuit during controlled ventilation. Conversion to either system may be conveniently carried out by interchanging the pop-off valve and fresh gas inlet, without disconnecting the system from the patient. Resistance to flow of both tubes has been measured and was found to be within acceptable limits. The efficiency of this system in a Mapleson A arrangement was compared with that of a conventional Magill circuit during spontaneous breathing in 2 conscious volunteers. It was shown that no significant difference exists between these systems eith regard to rebreathing, and that the universal co-axial system may be used as efficiently and economically as the Magill circuit during spontaneous ventilation. The co-axial system can be easily connected to a circle system, combining the advantages of the two systems.

  19. Principles of Quantum Universe

    CERN Document Server

    Pervushin, V N

    2014-01-01

    The present monograph is devoted to the theory of gravitation derived consequently as joint nonlinear realization of conformal and affine symmetries by means of Cartan differential forms. In the framework of the joint nonlinear realization of conformal and affine symmetries the interpretation of the last cosmological observational data of Ia Supernovae, anisotropy of the primordial radiation temperature and the mass spectrum of electroweak bosons, including the Higgs particle mass in the expected region ~ 125 GeV, is given. All these observational and experimental data testify to the vacuum energy dominance. The vacuum Casimir energy is a source of intensive cosmological quantum creation gravitons and electroweak bosons including Higgs particles from the empty Universe during the first 10^(-12) sec. The products of decay of the electroweak bosons give the matter content of the present day Universe, including primordial radiation and its baryon asymmetry.

  20. Universal metamaterial absorbe

    CERN Document Server

    Smaali, Rafik; Moreau, Antoine; Taliercio, Thierry; Centeno, Emmanuel

    2016-01-01

    We propose a design for an universal absorber, characterized by a resonance frequency that can be tuned from visible to microwave frequencies independently of the choice of the metal and the dielectrics involved. An almost resonant perfect absorption up to 99.8 % is demonstrated at resonance for all polarization states of light and for a very wide angular aperture. These properties originate from a magnetic Fabry-Perot mode that is confined in a dielectric spacer of $\\lambda/100$ thickness by a metamaterial layer and a mirror. An extraordinary large funneling through nano-slits explains how light can be trapped in the structure. Simple scaling laws can be used as a recipe to design ultra-thin perfect absorbers whatever the materials and the desired resonance wavelength, making our design truly universal.

  1. Beyond universal precautions.

    Science.gov (United States)

    Osterman, J W

    1995-04-01

    Universal precautions have gained wide acceptance in the literature and are promoted by major health care regulatory bodies as a measure to prevent nosocomial transmission of bloodborne diseases. Nevertheless, Dr. James G. Wright and associates (see pages 1089 to 1095 of this issue) provide evidence of the infrequent use of universal precautions by surgeons in Toronto. Their findings are consistent with those of similar studies and point to the limitations of any safety approach that relies on the active compliance of individuals rather than on passive, environmental controls. Successful approaches to optimizing workplace safety should first emphasize passive measures for risk abatement, including firm policies, the use of safer equipment and techniques, procedural safeguards and regular monitoring. Routine voluntary screening of patients undergoing procedures that pose a high risk of contamination may improve compliance to safety procedures by health care personnel. Further study is required.

  2. The hot Hagedorn Universe

    CERN Document Server

    Rafelski, Johann

    2016-01-01

    In the context of the half-centenary of Hagedorn temperature and the statistical bootstrap model (SBM) we present a short account of how these insights coincided with the establishment of the hot big-bang model (BBM) and helped resolve some of the early philosophical difficulties. We then turn attention to the present day context and show the dominance of strong interaction quark and gluon degrees of freedom in the early stage, helping to characterize the properties of the hot Universe. We focus attention on the current experimental insights about cosmic microwave background (CMB) temperature fluctuation, and develop a much improved understanding of the neutrino freeze-out, in this way paving the path to the opening of a direct connection of quark-gluon plasma (QGP) physics in the early Universe with the QCD-lattice, and the study of the properties of QGP formed in the laboratory.

  3. Performance Measurement at Universities

    DEFF Research Database (Denmark)

    Lueg, Klarissa

    2014-01-01

    and legitimation forms the basis for proposing four steps of investigation. The suggested mixed-methods approach comprises the following: first, thematic analysis can serve as a tool to evaluate the legitimacy discourse as initiated by official SET affirmative documents by government, university, and students......, it can be investigated if SET actually contribute to teaching improvement by examining how the instrument is integrated into systematic ex-ante and ex-post organizational management. It is expected to find discrepancy between the proponents’ intent to evaluate teaching and the way the performance......This paper proposes empirical approaches to testing the reliability, validity, and organizational effectiveness of student evaluations of teaching (SET) as a performance measurement instrument in knowledge management at the institutional level of universities. Departing from Weber’s concept...

  4. PBL at Aalborg university

    DEFF Research Database (Denmark)

    From the preface: "All the articles in this book have been presented at the International Conference PBL 2006 ABP, that was held in Lima, Peru, July 19th-21th 2006. This conference is part of a series of Pan-American conferences. It is the first time that Aalborg University has participated....... At the PBL conference in Lima, there were 8 participants from Aalborg University presenting parts of an Aalborg model. All together we had the responsibility for 11 presentations including keynote presentation and workshop. We have found it worthwhile to publish these articles together, because there are......: − Descriptions of PBL cases in various disciplines. − Combinations of development and research. − Perspectives for future implementation of PBL. − Perspectives on how to create a global network on PBL."...

  5. Geodesically Complete Universe

    CERN Document Server

    Bars, Itzhak

    2011-01-01

    This talk is about solving cosmological equations analytically without approximations, and discovering new phenomena that could not be noticed with approximate solutions. We found all the solutions of the Friedmann equations for a specific model, including all the zero-size-bounce solutions that do not violate the null energy condition, as well as all the finite-size-bounce solutions, and then discovered model independent phenomena. Among them is the notion of geodesic completeness for the geometry of the universe. From this we learned a few new general lessons for cosmology. Among them is that anisotropy provides a model independent attractor mechanism to some specific initial values for cosmological fields, and that there is a period of antigravity in the history of the universe. The results are obtained only at the classical gravity level. Effects of quantum gravity or string theory are unknown, they are not even formulated, so there are new theoretical challenges.

  6. The Radionactive Universe

    CERN Document Server

    Kolb, Edward W; Tait, T M P; Kolb, Edward W.; Servant, Geraldine; Tait, Tim M. P.

    2003-01-01

    In a large class of extra-dimensional models, a scalar degree of freedom known as the radion is long-lived, or even stable, on cosmological scales. In this paper we investigate the impact of radionactivity on the evolution of the universe. We demonstrate that whether the radion overcloses the universe, constitutes the dark matter, is the inflaton, the curvaton, or does not play any role in cosmology, depends crucially on the ratio between the energy densities stored in the radion and in the inflaton at the time of inflation. We discuss the general difficulties reconciling models with low compactification scale (i.e., TeV scale) with the simple picture of inflation.

  7. Pythagorean Philolaus’ Pyrocentric Universe

    Directory of Open Access Journals (Sweden)

    Maniatis, Yiorgo

    2009-06-01

    Full Text Available In this work, first, I reexamine the pyrocentric universe of the Pythagorean, Philolaus, who emphatically propounded that the center of the cosmos is neither the earth nor the sun, but a central fiery hearth that stands in the middle of the spherical universe. Second, I attempt to demonstrate the value and significance of this pyrocentric cosmic model by elaborating its novel revolutionary elements and its contribution to astronomy. Third, by underlining the diachroneity and timeliness of this cosmic model, I try to establish as to how the model served as a precursor to not only the ancient and modern heliocentric models, as widely believed, but also as much to the contemporary cosmic models and theories of astrophysics.

  8. Life in the Universe

    Science.gov (United States)

    2001-10-01

    Live Webcast from Europe's Leading Research Organisations Summary Is there life elsewhere in the Universe? Are we alone? These questions have always fascinated humanity and for more than 50 years, physicists, biologists, chemists, cosmologists, astronomers and other scientists have worked tirelessly to answer these fundamental questions. And now this November via webcast, all the world will have the opportunity to see and hear the latest news on extraterrestrial life from the most prestigious research centers and how for the past three months, European students have had the chance to jump into the scientists' shoes and explore these questions for themselves. The event is being sponsored by the European Organisation for Nuclear Research (CERN) , the European Space Agency (ESA) and the European Southern Observatory (ESO) , in cooperation with the European Molecular Biology Laboratory (EMBL) and the European Synchrotron Radiation Facility (ESRF) and the European Association for Astronomy Education (EAAE). "Life in the Universe" is being mounted in collaboration with the Research Directorate-General of the European Commission for the European Week of Science and Technology in November 2001 . "Life in the Universe" competitions are already underway in 23 European countries to find the best projects from school students between 14 and 18. Two winning teams from each country will be invited to a final event at CERN in Geneva on 8-11 November 2001 to present their projects and discuss them with a panel of International Experts at a special three-day event. They will also compete for the "Super Prize" - a free visit to ESA's and ESO's research and technology facilities at Kourou and Paranal in South America. Students participating in the programme are encouraged to present their views on extraterrestrial life creatively. The only requirement is that the views be based upon scientific evidence. Many projects are being submitted just now - among them are scientific essays

  9. Geneva University - Cancelled

    CERN Multimedia

    Université de Genève

    2010-01-01

    École de physique - Département de physique nucléaire et corspusculaire 24, quai Ernest-Ansermet 1211 GENEVA 4 Tel: (022) 379 62 73 - Fax: (022) 379 69 92 Monday 19 April 2010 17h00 - Stückelberg Auditorium Into the darkness: Simulating the distribution of dark matter in our Universe Prof. Volker Springel - Heidelberg Institute for Theoretical Studies   THE COLLOQUIUM IS CANCELLED. Prof. Markus Büttiker

  10. Dark matter universe.

    Science.gov (United States)

    Bahcall, Neta A

    2015-10-06

    Most of the mass in the universe is in the form of dark matter--a new type of nonbaryonic particle not yet detected in the laboratory or in other detection experiments. The evidence for the existence of dark matter through its gravitational impact is clear in astronomical observations--from the early observations of the large motions of galaxies in clusters and the motions of stars and gas in galaxies, to observations of the large-scale structure in the universe, gravitational lensing, and the cosmic microwave background. The extensive data consistently show the dominance of dark matter and quantify its amount and distribution, assuming general relativity is valid. The data inform us that the dark matter is nonbaryonic, is "cold" (i.e., moves nonrelativistically in the early universe), and interacts only weakly with matter other than by gravity. The current Lambda cold dark matter cosmology--a simple (but strange) flat cold dark matter model dominated by a cosmological constant Lambda, with only six basic parameters (including the density of matter and of baryons, the initial mass fluctuations amplitude and its scale dependence, and the age of the universe and of the first stars)--fits remarkably well all the accumulated data. However, what is the dark matter? This is one of the most fundamental open questions in cosmology and particle physics. Its existence requires an extension of our current understanding of particle physics or otherwise point to a modification of gravity on cosmological scales. The exploration and ultimate detection of dark matter are led by experiments for direct and indirect detection of this yet mysterious particle.

  11. For information: Geneva University

    CERN Multimedia

    2005-01-01

    Ecole de physique Département de physique nucléaire et corspusculaire 24, Quai Ernest-Ansermet 1211 GENEVE 4 TéL: (022) 379 62 73 Fax: (022) 379 69 92 Lundi 5 décembre COLLOQUE DE PHYSIQUE at 17:00 - Stückelberg Auditorium ARCHEOLOGY OF THE UNIVERSE WITH THE COSMIC MICROWAVE BACKGROUND by Prof. Paolo de Bernardis / Université de Rome 'La Sapienza'

  12. Life In The Universe!

    CERN Multimedia

    2001-01-01

    Is there life elsewhere in the Universe? Are we alone? These questions have always fascinated humanity and for more than 30 years, physicists, biologists, chemists, cosmologists and astronomers have worked tirelessly to answer these questions. Yet just this past week at CERN students from all over Europe came to present their ideas on the subject and listen to the latest on extraterrestrial life from some of the world's most prestigious researchers.

  13. Sustainability of Universal ILE

    Science.gov (United States)

    2007-03-30

    64.71 % Moderately Important 5 9.41 % 1 5.88 % ree from a Civilian Un Extremely Important 1 6.25 % Moderately Important 5 31.25...Undecided 1 5.88 % 7 00.00 % ree from a Extremely Important 4 4 23.53 % Undecided 1 5.88 % 7 00.00 % ee... Laurence I. Radway. Soldiers and Scholars: M National Policy. Princeton, New Jersey: Princeton University Press, 1957. ick, David. The Downsized

  14. Building baby universes

    Science.gov (United States)

    Coles, Peter

    2017-08-01

    The thought of a scientist trying to design a laboratory experiment in which to create a whole new universe probably sounds like it belongs in the plot of a science-fiction B-movie. But as author Zeeya Merali explains in her new book A Big Bang in a Little Room, there are more than a few eminent physicists who think that this is theoretically possible.

  15. University student gambling consumption

    OpenAIRE

    2007-01-01

    Mestrado em Marketing The present research analysed gambling activity of college students from a consumer behaviour perspective in order assess their gambling behaviour. A questionnaire was administered to 216 college students from several courses in different universities in the city of Lisbon (Portugal). No significant differences were found between men and women in gambling activity , both for players and non-players in all the types of games analysed (lottery, bingo and casino). Even t...

  16. The Thermodynamic Universe

    CERN Document Server

    Sidharth, Burra G

    2008-01-01

    Using Planck scale oscillators in the background dark energy in a model that parallels the theory of phonons, we deduce the Planck mass, the elementary particle mass scale, the mass of the Universe and a recently discovered residual energy in the cosmic background. We also deduce the Beckenstein temperature formula for black holes. Finally we show that the model explains the four minute time lag in thearrival of gamma photons from a recently observed gamma flare by the MAGIC telescope.

  17. FINANCIAL CONTROL OF UNIVERSITIES

    Directory of Open Access Journals (Sweden)

    Tatiana A. Pankratova

    2014-01-01

    Full Text Available The task of financial control is in the showdown deviations from accepted standardsand violations of the principles of legality, efficiency, effectiveness and efficiencyof resource management. Availability of financial control in the public institution(university is a prerequisite for efficient operation in the field of education forthe purpose of preventing, detecting andcombating fi nancial crimes.

  18. Inflation in the universe

    Energy Technology Data Exchange (ETDEWEB)

    Turner, M.S.

    1987-05-01

    The hot big bang cosmology, or the standard cosmology as it is appropriately known, is a highly successful model, providing a reliable and tested accounting of the Universe from 0.01 sec after the bang until today, some 15 Gyr later. However, very special initial data seem to be required in order to account for the observed smoothness and flatness of our Hubble volume and for the existence of the small primeval density inhomogeneities required for the formation of structure in the Universe. Inflation offers a means of accounting for these special initial data, which is based upon physics at sub-planck energy scales (<< m/sub pl/ approx. = 10/sup 19/ GeV) and is motivated by contemporary ideas in particle theory. Here I review the status of the 'Inflationary Paradigm'. At present essentially all inflationary models involve a very weakly-coupled (quantified by the presence of a dimensionless parameter of order 10/sup -12/ or so) scalar field which is displaced from the minimum of its potential. Regions of the Universe where the scalar field is initially displaced from its minimum undergo inflation as the scalar field relaxes, resulting in a Universe today which resembles ours in regions much larger than our present Hubble volume (approx. = 10/sup 28/ cm), but which on very large scales (>> 10/sup 28/ cm) may be highly irregular. The most conspicuous blemish on the paradigm is the lack of a compelling particle physics model to implement it. I also review some other unresolved issues, and discuss in detail the all important confrontation between inflation and observational data. Finally, I discuss the possibility that inflation leads to large-scale, primeval magnetic fields of sufficient strength to be of astrophysical interest. 123 refs., 4 figs.

  19. [Universal electrogustometer EG-2].

    Science.gov (United States)

    Wałkanis, Andrzej; Czesak, Michał; Pleskacz, Witold A

    2011-01-01

    Electrogustometry is a method for taste diagnosis and measurement. The EG-2 project is being developed in cooperation between Warsaw University of Technology and Military institute of Medicine in Warsaw. The device is an evolution of the recent universal electrogustometer EG-1 prototype. Due to considerations and experiences acquired during prototype usage, many enhancements have been incorporated into device. The aim was to create an easy-to-use, portable, battery powered device, enabled for fast measurements. Developed electrogustometer is using innovative, low-power microprocessor system, which control whole device. User interface is based on 5.7" graphical LCD (Liquid Crystal Display) and touchscreen. It can be directly operated by finger or with optional stylus. Dedicated GUI (Graphical User Interface) offers simple, predefined measurements and advance settings of signal parameters. It is also possible to store measurements results and patients data in an internal memory. User interface is multilanguage. Signals for patients examinations, supplied with bipolar electrode, are generated by an on-board circuit using DDS (Direct-Digital Synthesis) and DAC (Digital-to-Analog Converter). Electrogustometer is able to generate DC, sinus, triangle or rectangle signals with current amplitude from 0 to 500 pA and frequency form 0 to 500 Hz. Device is designed for manual and automeasurement modes. By using USB (Universal Serial Bus) port it is possible to retrieve data stored in internal memory and charging of built-in Li-lon battery as a source of power.

  20. Mechanics of universal horizons

    CERN Document Server

    Berglund, Per; Mattingly, David

    2012-01-01

    Modified gravity models such as Ho\\v{r}ava-Lifshitz gravity or Einstein-{\\ae}ther theory violate local Lorentz invariance and therefore destroy the notion of a universal light cone. Despite this, in the infrared limit both models above possess static, spherically symmetric solutions with "universal horizons" - hypersurfaces that are causal boundaries between an interior region and asymptotic spatial infinity. In other words, there still exist black hole solutions. We construct a Smarr formula (the relationship between the total energy of the spacetime and the area of the horizon) for such a horizon in Einstein-{\\ae}ther theory. We further show that a slightly modified first law of black hole mechanics still holds with the relevant area now a cross-section of the universal horizon. We construct new analytic solutions for certain Einstein-{\\ae}ther Lagrangians and illustrate how our results work in these exact cases. Our results suggest that holography may be extended to these theories despite the very differen...

  1. EVALUATION OF UNIVERSITY EMBLEMS

    Directory of Open Access Journals (Sweden)

    Özge MAZLUM

    2013-03-01

    Full Text Available This study aims at determining the skills of Graphics Department students of Fine Arts Faculties with regards evaluating the emblembs of universities. The study follows a general survey model and the research group consists of the seniors studying at Graphics Departments of Fine Arts Faculties of Anadolu, Başkent, Dumlupınar, Hacettepe, Marmara and Süleyman Demirel Universities. In the study, data regarding the evaluations and interpretations of students and experts about the university emblems were collected through qualitative methods of analysis. Content analysis was employed for analysing the qualitative data gathered through interviews. As a result of the study, it was observed that students had relevant knowledge regarding emblems and design principles, and they, while evaluating the emblems as a graphic product, were able to exhibit such cognitive skills as analysing, interpreting, explaining, noticing and correcting, were able to notice the problems and recommend ways of solution through criticizing, and that they were very approximate to the experts in their evaluations. Therefore, it could be asserted that the students receive a quality graphics education.

  2. CRISIS COMMUNICATION IN UNIVERSITIES

    Directory of Open Access Journals (Sweden)

    Canan MADRAN

    2015-07-01

    Full Text Available Abstract Institutions should implement effective crisis communication strategies to manage their reputations in crisis situations. Thus, the negative perceptions that may occur because of crisis can be reduced and eliminated by continuously informing stakeholders. Therefore, various researches are needed in the area of crisis communication management. The aim of the study is to determine the types of crises that often occur in universities and evaluate the crisis communication efforts in higher education institutions. Crises and crisis communication efforts were evaluated within the framework of media reflections in this study. Content analysis was applied in the classification of crises and responses provided for crises. As a result, the types of crises in Turkish universities were determined as campus safety, actions, protests, loss of confidential information, loss of financial opportunities, loss of key managers and personnel, staff problems, increase of accidents, slander and gossip, unnecessary explanations, rumors, damage to organization and employee reputation, terrorism, workplace violence, corruption, fire and epidemic. It is seen that universities don’t make any communicational effort regarding campus safety, staff problems, increase of accidents, corruption or fire.

  3. Universality and string theory

    Science.gov (United States)

    Bachlechner, Thomas Christian

    The first run at the Large Hadron Collider has deeply challenged conventional notions of naturalness, and CMB polarization experiments are about to open a new window to early universe cosmology. As a compelling candidate for the ultraviolet completion of the standard model, string theory provides a prime opportunity to study both early universe cosmology and particle physics. However, relating low energy observations to ultraviolet physics requires knowledge of the metastable states of string theory through the study of vacua. While it is difficult to directly obtain infrared data from explicit string theory constructions, string theory imposes constraints on low energy physics. The study of ensembles of low energy theories consistent with ultra-violet constraints provides insight on generic features we might expect to occur in string compactifications. In this thesis we present a statistical treatment of vacuum stability and vacuum properties in the context of random supergravity theories motivated by string theory. Early universe cosmology provides another avenue to high energy physics. From the low energy perspective large field inflation is typically considered highly unnatural: the scale relevant for the diameter of flat regions in moduli space is sub-Planckian in regions of perturbative control. To approach this problem, we consider generic Calabi-Yau compactifications of string theory and find that super-Planckian diameters of axion fundamental domains in fact arise generically. We further demonstrate that such super-Planckian flat regions are plausibly consistent with theWeak Gravity Conjecture.

  4. The Universal Ancestor

    Science.gov (United States)

    Woese, Carl

    1998-06-01

    A genetic annealing model for the universal ancestor of all extant life is presented; the name of the model derives from its resemblance to physical annealing. The scenario pictured starts when ``genetic temperatures'' were very high, cellular entities (progenotes) were very simple, and information processing systems were inaccurate. Initially, both mutation rate and lateral gene transfer levels were elevated. The latter was pandemic and pervasive to the extent that it, not vertical inheritance, defined the evolutionary dynamic. As increasingly complex and precise biological structures and processes evolved, both the mutation rate and the scope and level of lateral gene transfer, i.e., evolutionary temperature, dropped, and the evolutionary dynamic gradually became that characteristic of modern cells. The various subsystems of the cell ``crystallized,'' i.e., became refractory to lateral gene transfer, at different stages of ``cooling,'' with the translation apparatus probably crystallizing first. Organismal lineages, and so organisms as we know them, did not exist at these early stages. The universal phylogenetic tree, therefore, is not an organismal tree at its base but gradually becomes one as its peripheral branchings emerge. The universal ancestor is not a discrete entity. It is, rather, a diverse community of cells that survives and evolves as a biological unit. This communal ancestor has a physical history but not a genealogical one. Over time, this ancestor refined into a smaller number of increasingly complex cell types with the ancestors of the three primary groupings of organisms arising as a result.

  5. How much we know about university internationalization and university autonomy

    DEFF Research Database (Denmark)

    Turcan, Romeo V.; Gullieva, Valeria

    2013-01-01

    in their mission statements and strategic plans. Conventional wisdom suggests that universities should adapt their strategies, resources, and structures and organizations to international environments. However, recent examples of university internationalization failures and withdrawals from international markets...

  6. University Pedagogy for Assistant Professors at Aalborg University (Part 1)

    DEFF Research Database (Denmark)

    Kolmos, Anette; Krogh, Lone

    2003-01-01

    The article describes a course for assistant professors within the University Teacher Education at Aalborg University. The course focus is to develop knowledge, skills and methods from within the didactic, pedagogical, and learning theory-based fields....

  7. University Pedagogy for Assistant Professors at Aalborg University (Part 1)

    DEFF Research Database (Denmark)

    Kolmos, Anette; Krogh, Lone

    2003-01-01

    The article describes a course for assistant professors within the University Teacher Education at Aalborg University. The course focus is to develop knowledge, skills and methods from within the didactic, pedagogical, and learning theory-based fields.......The article describes a course for assistant professors within the University Teacher Education at Aalborg University. The course focus is to develop knowledge, skills and methods from within the didactic, pedagogical, and learning theory-based fields....

  8. De-Internationalization of Universities

    DEFF Research Database (Denmark)

    Turcan, Romeo V.; Gulieva, Valeria

    2016-01-01

    In this paper we focus on de-internationalization of universities, aiming to advance our theoretical understanding of university international activities. Internationalization has become an indispensable part of universities’ mission statements and strategic plans. It is practiced in different...

  9. Research on universal combinatorial coding.

    Science.gov (United States)

    Lu, Jun; Zhang, Zhuo; Mo, Juan

    2014-01-01

    The conception of universal combinatorial coding is proposed. Relations exist more or less in many coding methods. It means that a kind of universal coding method is objectively existent. It can be a bridge connecting many coding methods. Universal combinatorial coding is lossless and it is based on the combinatorics theory. The combinational and exhaustive property make it closely related with the existing code methods. Universal combinatorial coding does not depend on the probability statistic characteristic of information source, and it has the characteristics across three coding branches. It has analyzed the relationship between the universal combinatorial coding and the variety of coding method and has researched many applications technologies of this coding method. In addition, the efficiency of universal combinatorial coding is analyzed theoretically. The multicharacteristic and multiapplication of universal combinatorial coding are unique in the existing coding methods. Universal combinatorial coding has theoretical research and practical application value.

  10. Reflections on Commercializing University Research.

    Science.gov (United States)

    Hum, Derek

    2000-01-01

    Discusses the extent of commercialization of research in Canadian universities, explains why copyright enforcement is difficult, and discusses the benefits and disadvantages of licensing an innovation versus creating a spinoff company to exploit university discoveries. Explores issues related to sharing benefits of university discoveries. (SLD)

  11. Universal service policy in Vietnam

    DEFF Research Database (Denmark)

    Do Manh, Thai; Falch, Morten; Von Salakpi, Simeon

    2016-01-01

    Universal service provision is a key to bridge the digital divide. This paper provides an empirical examination of the Vietnamese universal policy introduced in 2015 for implementation up to 2020. Using the framework of King et al. (1994) the paper analyses the universal services policy in Vietnam...

  12. The RAE and University Efficiency.

    Science.gov (United States)

    Mace, John

    2000-01-01

    Evaluates effects of the new British funding formula for universities, based on the research assessment exercise (RAE). Compares effects of the RAE on two contrasting universities and finds the RAE has dramatically affected university organization, teaching, and research. RAE may have increased efficiency in teaching and research but encourages…

  13. Downsizing the University: Bonne Chance!

    Science.gov (United States)

    Appelbaum, Steven H.; Patton, Eric

    2002-01-01

    Begins with a general discussion of downsizing and its outcomes, then offers an analysis of downsizing in higher education with an emphasis on three points: the factors causing universities to consider downsizing, the special nature of universities that makes downsizing particularly difficult, and the downsizing methods used by universities. (EV)

  14. The Universal Grammar of Reading.

    Science.gov (United States)

    Perfetti, Charles A.

    2003-01-01

    Considers how reading has universal properties that can be seen across the world's writing systems. Discusses the most important universal language constraint: All writing systems represent spoken languages, a universal with consequences for reading processes. Draws on observations and research from Chinese and Korean to examine these universal…

  15. Colleges and Universities as Citizens.

    Science.gov (United States)

    Bringle, Robert G., Ed.; Games, Richard, Ed.; Malloy, Edward A., Ed.

    This collection of 10 essays focuses on the role of colleges and universities as engaged citizens seeking to better their communities. The essays include: (1) "Colleges and Universities as Citizens: Issues and Perspectives" (Robert G. Bringle, Richard Games, and Edward A. Malloy); (2) "Ernest L. Boyer: Colleges and Universities as Citizens"…

  16. But Where Is the University?

    NARCIS (Netherlands)

    Hindriks, Frank

    2012-01-01

    Famously Ryle imagined a visitor who has seen the colleges, departments, and libraries of a university but still wonders where the university is. The visitor fails to realize that the university consists of these organizational units. In this paper I ask what exactly the relation is between institut

  17. (Re)Discovering University Autonomy

    DEFF Research Database (Denmark)

    -relationships between stakeholders and policies which can reinforce and equally pull in opposite directions. The holistic view is expressed in a model of institutional university autonomy that brings together the traditional basic four pillars of autonomy, and five interfaces: government–university; university...

  18. A Preposterous Universe

    CERN Document Server

    Gangui, A

    2003-01-01

    Recent announcements that the Cosmic Microwave Background (CMB) - the faint remnant of the Big Bang - is polarized have caused a stir among cosmologists. Such polarization has long been predicted but could not be detected, until the recent DASI and WMAP detections. The polarization is a signature of the motion of the primordial seeds that led to the galaxies and large-scale structure of the Universe observed today. Earlier measurements of tiny temperature fluctuations in the CMB have been used to infer the sizes of the primordial seeds. The polarization signature should help to determine the fundamental parameters of cosmology and to explain how large-scale structure arose [Highwire abstract].

  19. VLSI Universal Noiseless Coder

    Science.gov (United States)

    Rice, Robert F.; Lee, Jun-Ji; Fang, Wai-Chi

    1989-01-01

    Proposed universal noiseless coder (UNC) compresses stream of data signals for efficient transmission in channel of limited bandwidth. Noiseless in sense original data completely recoverable from output code. System built as very-large-scale integrated (VLSI) circuit, compressing data in real time at input rates as high as 24 Mb/s, and possibly faster, depending on specific design. Approach yields small, lightweight system operating reliably and consuming little power. Constructed as single, compact, low-power VLSI circuit chip. Design of VLSI circuit chip made specific to code algorithms. Entire UNC fabricated in single chip, worst-case power dissipation less than 1 W.

  20. Alone in the Universe

    Science.gov (United States)

    Smith, Howard

    Recent measurements of over 1056 confirmed exoplanets reveal details about their masses, compositions, orbital parameters, possible evolutionary histories, and even their atmospheres. These results, though marking just the beginnings of a dramatic new period of exoplanet discovery, suggest that for all practical purposes we are alone in the universe, at least in the sense implied by SETI: extraterrestrial intelligence. This talk will summarize the evidence to date, offer conclusions about the critical importance of increased exoplanet research, and emphasize the need for a renewed appreciation of the rare value of the Earth, its fragile environment, and its inhabitants.

  1. Universal semantic communication

    CERN Document Server

    Juba, Brendan

    2011-01-01

    Is meaningful communication possible between two intelligent parties who share no common language or background? In this work, a theoretical framework is proposed in which it is possible to address when and to what extent such semantic communication is possible: such problems can be rigorously addressed by explicitly focusing on the goals of the communication. Under this framework, it is possible to show that for many goals, communication without any common language or background is possible using universal protocols. This work should be accessible to anyone with an undergraduate-level knowled

  2. The Necessary University

    Directory of Open Access Journals (Sweden)

    Jorge Luis Ibarra Mendívil

    2003-05-01

    Full Text Available Because of the complex scenarios brought about by globalization, the necessary university will require flexible models oriented toward problem solving and collaborative work, which will also allow students to enter and leave the institution at different times during their training. Among its main features, there will be collegial work, in the sense of collective teaching experimentation; active follow up of students’ progress; trust in the students’ potential; a close relationship of headmasters, teachers and students; and rules that provide certainty to institutional life.

  3. The Worldhood university

    DEFF Research Database (Denmark)

    Bengtsen, Søren Smedegaard; Nørgård, Rikke Toft

    ). A place that for better or worse is shaped by people’s interactions and experiences through its design, given that “[p]hysical design features, large and small, seem to be important in ensuring that the interaction [between students and teachers] is educationally positive” (Temple, 2014, p.12......, the worldhood university thinks and educates not only in the world, but from dialogues with the world. On this ground, we provide an analytical model for worldhood thinking by way of the philosophies of thing, place, design, and thinking. This presented ‘worldhood model’ should not be seen as a normative ideal...

  4. Universality of Covariance Matrices

    CERN Document Server

    Pillai, Natesh S

    2011-01-01

    We prove the universality of covariance matrices of the form $H_{N \\times N} = {1 \\over N} \\tp{X}X$ where $[X]_{M \\times N}$ is a rectangular matrix with independent real valued entries $[x_{ij}]$ satisfying $\\E \\,x_{ij} = 0$ and $\\E \\,x^2_{ij} = {1 \\over M}$, $N, M\\to \\infty$. Furthermore it is assumed that these entries have sub-exponential tails. We will study the asymptotics in the regime $N/M = d_N \\in (0,\\infty), \\lim_{N\\to \\infty}d_N \

  5. Drexel University Temperature Sensors

    Energy Technology Data Exchange (ETDEWEB)

    Davis, K. L. [Idaho National Lab. (INL), Idaho Falls, ID (United States); Knudson, D. L. [Idaho National Lab. (INL), Idaho Falls, ID (United States); Rempe, J. L. [Idaho National Lab. (INL), Idaho Falls, ID (United States); Chase, B. M. [Idaho National Lab. (INL), Idaho Falls, ID (United States)

    2014-09-22

    This document summarizes background information and presents results related to temperature measurements in the Advanced Test Reactor (ATR) National Scientific User Facility (NSUF) Drexel University Project 31091 irradiation. The objective of this test was to assess the radiation performance of new ceramic materials for advanced reactor applications. Accordingly, irradiations of transition metal carbides and nitrides were performed using the Hydraulic Shuttle Irradiation System (HSIS) in the B-7 position and in static capsules inserted into the A-3 and East Flux Trap Position 5 locations of the ATR.

  6. Universal threshold enhancement

    CERN Document Server

    Patkós, András; Szépfalusy, P; Szep, Zs.

    2003-01-01

    By assuming certain analytic properties of the propagator, it is shown that universal features of the spectral function including threshold enhancement arise if a pole describing a particle at high temperature approaches in the complex energy plane the threshold position of its two-body decay with the variation of T. The case is considered, when one can disregard any other decay processes. The quality of the proposed description is demonstrated by comparing it with the detailed large N solution of the linear sigma model around the pole-threshold coincidence.

  7. Scaling the universe

    CERN Document Server

    Frankel, Norman E

    2014-01-01

    A model is presented for the origin of the large scale structure of the universe and their Mass-Radius scaling law. The physics is conventional, orthodox, but it is used to fashion a highly unorthodox model of the origin of the galaxies, their groups, clusters, super-clusters, and great walls. The scaling law fits the observational results and the model offers new suggestions and predictions. These include a largest, a supreme, cosmic structure, and possible implications for the recently observed pressing cosmological anomalies.

  8. Scaling the Universe

    Science.gov (United States)

    Frankel, Norman E.

    2014-04-01

    A model is presented for the origin of the large scale structure of the universe and their Mass-Radius scaling law. The physics is conventional, orthodox, but it is used to fashion a highly unorthodox model of the origin of the galaxies, their groups, clusters, super-clusters, and great walls. The scaling law fits the observational results and the model offers new suggestions and predictions. These include a largest, a supreme, cosmic structure, and possible implications for the recently observed pressing cosmological anomalies.

  9. Optimal Universal Uncertainty Relations

    Science.gov (United States)

    Li, Tao; Xiao, Yunlong; Ma, Teng; Fei, Shao-Ming; Jing, Naihuan; Li-Jost, Xianqing; Wang, Zhi-Xi

    2016-01-01

    We study universal uncertainty relations and present a method called joint probability distribution diagram to improve the majorization bounds constructed independently in [Phys. Rev. Lett. 111, 230401 (2013)] and [J. Phys. A. 46, 272002 (2013)]. The results give rise to state independent uncertainty relations satisfied by any nonnegative Schur-concave functions. On the other hand, a remarkable recent result of entropic uncertainty relation is the direct-sum majorization relation. In this paper, we illustrate our bounds by showing how they provide a complement to that in [Phys. Rev. A. 89, 052115 (2014)]. PMID:27775010

  10. The Artful Universe Expanded

    Energy Technology Data Exchange (ETDEWEB)

    Bassett, B A [Institute of Cosmology and Gravitation, University of Portsmouth (United Kingdom)

    2005-07-29

    The cosmos is an awfully big place and there is no better guide to its vast expanse and fascinating nooks and crannies than John Barrow. A professor of mathematical sciences at Cambridge University, Barrow embodies that rare combination of highly polished writer and expert scientist. His deft touch brings together the disparate threads of human knowledge and weaves them into a tapestry as rich and interesting for the expert as it is for the layperson. The Artful Universe Expanded is an updated edition of this popular book first published in 1995. It explores the deeply profound manner in which natural law and the nature of the cosmos have moulded and shaped us, our cultures and the very form of our arts and music-a new type of 'cosmic' anthropology. The main themes Barrow chooses for revealing this new anthropology are the subjects of evolution, the size of things, the heavens and the nature of music. The book is a large, eclectic repository of knowledge often unavailable to the layperson, hidden in esoteric libraries around the world. It rivals The Da Vinci Code for entertainment value and insights, but this time it is Nature's code that is revealed. It is rare indeed to find common threads drawn through topics as diverse as The Beetles, Bach and Beethoven or between Jackson Pollock, the Aztecs, Kant, Picasso, Byzantine mosaics, uranium-235 and the helix nebula. Barrow unerringly binds them together, presenting them in a stimulating, conversational style that belies the amount of time that must have gone into researching this book. Dip into it at random, or read it from cover to cover, but do read it. The Artful Universe Expanded is an entertaining antidote to the oft-lamented pressures to know more and more about less and less and the apparently inexorable march of specialization. On reading this book one can, for a short time at least, hold in one's mind a vision that unifies science, art and culture and glimpse a universal tapestry of great

  11. Drexel University Temperature Sensors

    Energy Technology Data Exchange (ETDEWEB)

    K. L. Davis; D. L. Knudson; J. L. Rempe; B. M. Chase

    2014-09-01

    This document summarizes background information and presents results related to temperature measurements in the Advanced Test Reactor (ATR) National Scientific User Facility (NSUF) Drexel University Project 31091 irradiation. The objective of this test was to assess the radiation performance of new ceramic materials for advanced reactor applications. Accordingly, irradiations of transition metal carbides and nitrides were performed using the Hydraulic Shuttle Irradiation System (HSIS) in the B-7 position and in static capsules inserted into the A-3 and East Flux Trap Position 5 locations of the ATR.

  12. Physics of the universe

    CERN Document Server

    Sachs, Mendel

    2010-01-01

    This book presents a new approach to the subject of cosmology. It fully exploits Einstein's theory of general relativity. It is found that the most general formal expression of the theory replaces the (10-component) tensor formalism with a (16-component) quaternion formalism. This leads to a unified field theory, where one field incorporates gravitation and electromagnetism. The theory predicts an oscillating universe cosmology with a spiral configuration. Dark matter is explained in terms of a sea of particle-antiparticle pairs, each in a particular (derived) ground state. This leads to an ex

  13. Our Particle Universe

    Indian Academy of Sciences (India)

    D Indumathi

    2017-03-01

    Ever since the discovery of the electron more than 100 yearsago, scientists have asked the questions –“what is our universemade of?” and “why is the universe the way it is?” Notlong before, it was found that these two questions are relatedto each other. The interactions of particles in the universedetermines its evolution, its very form, and existence. In thisarticle, we will trace the discovery of some of these particles,learn about their interactions, and try to understand theirproperties such as electric charge and mass.

  14. The universal Higgs fit

    DEFF Research Database (Denmark)

    Giardino, P. P.; Kannike, K.; Masina, I.;

    2014-01-01

    We perform a state-of-the-art global fit to all Higgs data. We synthesise them into a 'universal' form, which allows to easily test any desired model. We apply the proposed methodology to extract from data the Higgs branching ratios, production cross sections, couplings and to analyse composite H...... as an alternative to the Higgs, and disfavour fits with negative Yukawa couplings. We derive for the first time the SM Higgs boson mass from the measured rates, rather than from the peak positions, obtaining M-h = 124.4 +/- 1.6 GeV....

  15. Exploring the relationship between university internationalization and university autonomy

    DEFF Research Database (Denmark)

    Turcan, Romeo V.; Gullieva, Valeria

    This paper explores a research gap at the intersection of university internationalization and university autonomy. A process model of university internationalization is put forward whereby the process of university internationalization is mediated by university internationalization capacity...... and moderated by target country institutional autonomy and globalization; and entry modes, timing and pace, as well as product mix of internationalization define university’s internationalization pattern. A systematic review is conducted to identify empirical studies at this intersection. One of the questions...... this paper is addressing is whether there is a scope for international business theories in explaining university internationalization or in light of recent findings from successes and failures of university internationalization international business theories ought to be revised?...

  16. Carbon in the Universe

    Science.gov (United States)

    Allamandola, Louis J.

    2013-01-01

    Over the past few decades, NASA missions have revealed that we live in a Universe that is not a hydrogen-dominated, physicist's paradise, but in a molecular Universe with complex molecules directly interwoven into its fabric. These missions have shown that molecules are an abundant and important component of astronomical objects at all stages of their evolution and that they play a key role in many processes that dominate the structure and evolution of galaxies. Closer to home in our galaxy, the Milky Way, they have revealed a unique and complex organic inventory of regions of star and planet formation that may well represent some of the prebiotic roots to life. Astrobiology emerges from the great interest in understanding astrochemical evolution from simple to complex molecules, especially those with biogenic potential and the roles they may play as primordial seeds in the origin of life on habitable worlds. The first part of this talk will highlight how infrared spectroscopic studies of interstellar space, combined with dedicated laboratory simulations, have revealed the widespread presence of complex organics across deep space. The remainder of the presentation will focus on the evolution of these materials and astrobiology.

  17. Universal Image Steganalytic Method

    Directory of Open Access Journals (Sweden)

    V. Banoci

    2014-12-01

    Full Text Available In the paper we introduce a new universal steganalytic method in JPEG file format that is detecting well-known and also newly developed steganographic methods. The steganalytic model is trained by MHF-DZ steganographic algorithm previously designed by the same authors. The calibration technique with the Feature Based Steganalysis (FBS was employed in order to identify statistical changes caused by embedding a secret data into original image. The steganalyzer concept utilizes Support Vector Machine (SVM classification for training a model that is later used by the same steganalyzer in order to identify between a clean (cover and steganographic image. The aim of the paper was to analyze the variety in accuracy of detection results (ACR while detecting testing steganographic algorithms as F5, Outguess, Model Based Steganography without deblocking, JP Hide and Seek which represent the generally used steganographic tools. The comparison of four feature vectors with different lengths FBS (22, FBS (66 FBS(274 and FBS(285 shows promising results of proposed universal steganalytic method comparing to binary methods.

  18. For information: Geneva University

    CERN Document Server

    2005-01-01

    SECTION DE PHYSIQUEDépartement de physique de la matière condensée Quai Ernest-Ansermet 24CH-1211 Genève 4Tél. 022 379 65 11 - Fax 022 379 68 69 Mercredi 14 décembre Colloque exceptionnel 17h00 - Auditoire: Grand Auditoire A Possible Solution to the High Temperature Superconducivity Phenomena Professor Chandra Varma / Department of physics, University of California Riverside The intense effort on the solution of the high Tc problem (over 105 papers in 18 years) has led to remarkable new ideas which will affect future developments not just in condensed matter physics but all of physics. There may now exist a consistent microscopic theory which explains the universal features of the phase diagram of the Cuprates and whose principal predictions have been experimentally verified. This theory draws on an assimilation of the wide ranging experiments on the Cuprates to formulate a phenomenology. The phenomenology is used to formulate a microscopic theory which in turn draws on aspects ranging from solid ...

  19. Universality of TMD correlators

    Directory of Open Access Journals (Sweden)

    Buffing M.G.A.

    2015-01-01

    Full Text Available In a high-energy scattering process with hadrons in the initial state, color is involved. Transverse momentum dependent distribution functions (TMDs describe the quark and gluon distributions in these hadrons in momentum space with the inclusion of transverse directions. Apart from the (anti-quarks and gluons that are involved in the hard scattering process, additional gluon emissions by the hadrons have to be taken into account as well, giving rise to Wilson lines or gauge links. The TMDs involved are sensitive to the process under consideration and hence potentially nonuniversal due to these Wilson line interactions with the hard process; different hard processes give rise to different Wilson line structures. We will show that in practice only a finite number of universal TMDs have to be considered, which come in different linear combinations depending on the hard process under consideration, ensuring a generalized universality. For quarks this gives rise to three Pretzelocity functions, whereas for gluons a richer structure of functions arises.

  20. Is the Universe transparent?

    Science.gov (United States)

    Liao, Kai; Avgoustidis, A.; Li, Zhengxiang

    2015-12-01

    We present our study on cosmic opacity, which relates to changes in photon number as photons travel from the source to the observer. Cosmic opacity may be caused by absorption or scattering due to matter in the Universe, or by extragalactic magnetic fields that can turn photons into unobserved particles (e.g., light axions, chameleons, gravitons, Kaluza-Klein modes), and it is crucial to correctly interpret astronomical photometric measurements like type Ia supernovae observations. On the other hand, the expansion rate at different epochs, i.e., the observational Hubble parameter data H (z ), are obtained from differential ageing of passively evolving galaxies or from baryon acoustic oscillations and thus are not affected by cosmic opacity. In this work, we first construct opacity-free luminosity distances from H (z ) determinations, taking into consideration correlations between different redshifts for our error analysis. Moreover, we let the light-curve fitting parameters, accounting for distance estimation in type Ia supernovae observations, free to ensure that our analysis is authentically cosmological-model independent and gives a robust result. Any nonzero residuals between these two kinds of luminosity distances can be deemed as an indication of the existence of cosmic opacity. While a transparent Universe is currently consistent with the data, our results show that strong constraints on opacity (and consequently on physical mechanisms that could cause it) can be obtained in a cosmological-model-independent fashion.

  1. Models of the universe

    Science.gov (United States)

    Fischer, Arthur E.

    1996-01-01

    In this paper a theory of models of the universe is proposed. We refer to such models ascosmological models, where a cosmological model is defined as an Einstein-inextendible Einstein spacetime. A cosmological model isabsolute if it is a Lorentz-inextendible Einstein spacetime,predictive if it is globally hyperbolic, andnon-predictive if it is nonglobally-hyperbolic. We discuss several features of these models in the study of cosmology. As an example, any compact Einstein spacetime is always a non-predictive absolute cosmological model, whereas a noncompact complete Einstein spacetime is an absolute cosmological model which may be either predictive or non-predictive. We discuss the important role played by maximal Einstein spacetimes. In particular, we examine the possible proper Lorentz-extensions of such spacetimes, and show that a spatially compact maximal Einstein spacetime is exclusively either a predictive cosmological model or a proper sub-spacetime of a non-predictive cosmological model. Provided that the Strong Cosmic Censorship conjecture is true, a generic spatially compact maximal Einstein spacetime must be a predictive cosmological model. It isconjectured that the Strong Cosmic Censorship conjecture isnot true, and converting a vice to a virtue it is argued that the failure of the Strong Cosmic Censorship conjecture would point to what may be general relativity's greatest prediction of all, namely,that general relativity predicts that general relativity cannot predict the entire history of the universe.

  2. From Traditional to Modern Universities

    DEFF Research Database (Denmark)

    Nielsen, Anja Birch; Sort, Jesper Chrautwald; Nielsen, Christian

    results. In addition the interviews tried to focus on whether the industry understood the motives of the university to engage in collaboration and vice versa. Focusing on whether the performance measurements used by politicians and universities today enhances the collaborations or obstruct them. The paper...... concludes that the performance management used today in universities in form of publications is overlooking the industries’ need of growth from the university knowledge. Hence motivating the scientists to engage in collaborations only from the university point of view and only to a limited extent concerning...

  3. Wikipedia ranking of world universities

    Science.gov (United States)

    Lages, José; Patt, Antoine; Shepelyansky, Dima L.

    2016-03-01

    We use the directed networks between articles of 24 Wikipedia language editions for producing the wikipedia ranking of world Universities (WRWU) using PageRank, 2DRank and CheiRank algorithms. This approach allows to incorporate various cultural views on world universities using the mathematical statistical analysis independent of cultural preferences. The Wikipedia ranking of top 100 universities provides about 60% overlap with the Shanghai university ranking demonstrating the reliable features of this approach. At the same time WRWU incorporates all knowledge accumulated at 24 Wikipedia editions giving stronger highlights for historically important universities leading to a different estimation of efficiency of world countries in university education. The historical development of university ranking is analyzed during ten centuries of their history.

  4. Life In The Universe!

    CERN Document Server

    2001-01-01

    An alien invasion of CERN? Is there life elsewhere in the Universe? Are we alone? These questions have always fascinated humanity and for more than 30 years, physicists, biologists, chemists, cosmologists and astronomers have worked tirelessly to answer these questions. Yet just this past week at CERN students from all over Europe came to present their ideas on the subject and listen to the latest on extraterrestrial life from some of the world's most prestigious researchers. Students participating in the programme were encouraged to present their views on extraterrestrial life creatively and boy did they! The team from Portugal ran performances of Greek Theatre, the team from Hungary created a board game, while the team from Belgium recited poetry questioning the existence of extraterrestrials. But all was not light hearted, there were touching presentations of violin and piano by the French team and a very thought provoking theatre performance by the German team contrasting the search for extraterrestrial...

  5. Universal quantum sorter

    CERN Document Server

    Ionicioiu, Radu

    2015-01-01

    Measuring the state of a quantum system is a fundamental process in quantum mechanics and plays an essential role in quantum information and quantum technologies. One method to measure a quantum observable is to sort the system in different spatial modes according to the measured value, followed by single-particle detectors on each mode. Examples of quantum sorters are polarizing beam-splitters (PBS) -- which direct photons according to their polarization -- and Stern-Gerlach devices. Here we propose a general scheme to sort a quantum system according to the value of any $d$-dimensional degree of freedom, such as spin, orbital angular momentum (OAM), wavelength etc. Our scheme is universal, works at single-particle level and has a theoretical efficiency of 100%. As an application we design an efficient OAM sorter consisting of a single multi-path interferometer which is suitable for a photonic chip implementation.

  6. Universal visualization platform

    Science.gov (United States)

    Gee, Alexander G.; Li, Hongli; Yu, Min; Smrtic, Mary Beth; Cvek, Urska; Goodell, Howie; Gupta, Vivek; Lawrence, Christine; Zhou, Jainping; Chiang, Chih-Hung; Grinstein, Georges G.

    2005-03-01

    Although there are a number of visualization systems to choose from when analyzing data, only a few of these allow for the integration of other visualization and analysis techniques. There are even fewer visualization toolkits and frameworks from which one can develop ones own visualization applications. Even within the research community, scientists either use what they can from the available tools or start from scratch to define a program in which they are able to develop new or modified visualization techniques and analysis algorithms. Presented here is a new general-purpose platform for constructing numerous visualization and analysis applications. The focus of this system is the design and experimentation of new techniques, and where the sharing of and integration with other tools becomes second nature. Moreover, this platform supports multiple large data sets, and the recording and visualizing of user sessions. Here we introduce the Universal Visualization Platform (UVP) as a modern data visualization and analysis system.

  7. Universal Limit on Communication

    CERN Document Server

    Bousso, Raphael

    2016-01-01

    I derive a universal upper bound on the capacity of any communication channel between two distant systems. The Holevo quantity, and hence the mutual information, is at most of order $E \\Delta t / \\hbar$, where $E$ the average energy of the signal, and $\\Delta t$ is the amount of time for which detectors operate. The bound does not depend on the size or mass of the emitting and receiving systems, nor on the nature of the signal. No restrictions on preparing and processing the signal are imposed. As an example, I consider the encoding of information in the transverse or angular position of a signal emitted and received by systems of arbitrarily large cross-section. In the limit of a large message space, quantum effects become important even if individual signals are classical, and the bound is upheld.

  8. FOR INFORMATION: Geneva University

    CERN Multimedia

    2005-01-01

    Ecole de physique Département de physique nucléaire et corspusculaire 24, Quai Ernest-Ansermet 1211 GENEVE 4 TéL: (022) 379 62 73 Fax: (022) 379 69 92 Wednesday 30 November PARTICLE PHYSICS SEMINAR at 17:00 - Stückelberg Auditorium CVD Diamond Radiation Sensors For Application In Very High Radiation Environments by Prof. Peter Weilhammer / University and INFN Perugia and CERN After an introduction into the basic properties and operating principles of CVD diamond radiation sensor material, measurements of charge carrier collection and leakage currents in single crystal and polycrystalline CVD diamonds will be presented. Results from measurements of the effective mobilities and carrier lifetime of electrons and holes, using the Transient Current Technique (TCT), will be shown. Radiation hardness of CVD polycrystalline diamonds will be discussed. A summary of radiation hardness measurements, carried out over several years, will be presented for polycrystalline material. Performance of diamond trackin...

  9. Rocket University at KSC

    Science.gov (United States)

    Sullivan, Steven J.

    2014-01-01

    "Rocket University" is an exciting new initiative at Kennedy Space Center led by NASA's Engineering and Technology Directorate. This hands-on experience has been established to develop, refine & maintain targeted flight engineering skills to enable the Agency and KSC strategic goals. Through "RocketU", KSC is developing a nimble, rapid flight engineering life cycle systems knowledge base. Ongoing activities in RocketU develop and test new technologies and potential customer systems through small scale vehicles, build and maintain flight experience through balloon and small-scale rocket missions, and enable a revolving fresh perspective of engineers with hands on expertise back into the large scale NASA programs, providing a more experienced multi-disciplined set of systems engineers. This overview will define the Program, highlight aspects of the training curriculum, and identify recent accomplishments and activities.

  10. The Cloudy Universe

    CERN Document Server

    Wardle, M; Wardle, Mark Walker & Mark

    1999-01-01

    Modelling of Extreme Scattering Events suggests that the Galaxy's dark matter is an undetected population of cold, AU-sized, planetary-mass gas clouds. None of the direct observational constraints on this picture -- thermal/non-thermal emission, extinction and lensing -- are problematic. The theoretical situation is less comfortable, but still satisfactory. Galactic clouds can survive in their current condition for billions of years, but we do not have a firm description for either their origin or their evolution to the present epoch. We hypothesise that the proto-clouds formed during the quark-hadron phase transition, thereby introducing the inhomogeneity necessary for compatibility with light element nucleosynthesis in a purely baryonic universe. We outline the prospects for directly detecting the inferred cloud population. The most promising signatures are cosmic-ray-induced H-alpha emission from clouds in the solar neighbourhood, optical flashes arising from cloud-cloud collisions, ultraviolet extinction,...

  11. Is the Universe Transparent?

    CERN Document Server

    Liao, Kai; Li, Zhengxiang

    2015-01-01

    We present our study on cosmic opacity, which relates to changes in photon number as photons travel from the source to the observer. Cosmic opacity may be caused by absorption/scattering due to matter in the universe, or by extragalactic magnetic fields that can turn photons into unobserved particles (e.g. light axions, chameleons, gravitons, Kaluza-Klein modes), and it is crucial to correctly interpret astronomical photometric measurements like type Ia supernovae observations. On the other hand, the expansion rate at different epochs, i.e. the observational Hubble parameter data $H(z)$, are obtained from differential ageing of passively evolving galaxies or from baryon acoustic oscillations and thus are not affected by cosmic opacity. In this work, we first construct opacity-free luminosity distances from $H(z)$ determinations, taking correlations between different redshifts into consideration for our error analysis. Moreover, we let the light-curve fitting parameters, accounting for distance estimation in t...

  12. University Engagement at INL

    Energy Technology Data Exchange (ETDEWEB)

    Morrell, Sean Robert [Idaho National Laboratory; Rynes, Amanda Renee [Idaho National Laboratory

    2014-07-01

    There are currently over 900 facilities in over 170 countries which fall under International Atomic Energy Agency (IAEA) safeguards. As additional nations look to purse civilian nuclear programs or to expand infrastructure already in place, the number of reactors and accompanying facilities as well as the quantity of material has greatly increased. Due to the breadth of the threat and the burden placed on the IAEA as nuclear applications expand, it has become increasingly important that safeguards professionals have a strong understanding of both the technical and political aspects of nonproliferation starting early in their career. To begin overcoming this challenge, Idaho National Laboratory, has partnered with local universities to deliver a graduate level nuclear engineering course that covers both aspects of the field with a focus on safeguards applications. To date over 60 students across multiple disciplines have participated in this course with many deciding to transition into a nonproliferation area of focus in both their academic and professional careers.

  13. Is the Universe odd?

    CERN Document Server

    Land, K; Land, Kate; Magueijo, Joao

    2005-01-01

    We investigate the point-parity and mirror-parity handedness of the large angle anisotropy in the cosmic microwave background (CMB). In particular we consider whether the observed low CMB quadrupole could more generally signal odd point-parity, i.e. suppression of even multipoles. Even though this feature is ``visually'' present in most renditions of the WMAP dataset we find that it never supports parity preference beyond the meagre 95% confidence level. This is fortunate as point parity handedness implies almost certainly a high level of galactic contamination. Mirror reflection parity, on the contrary, is related to the emergence of a preferred axis, defining the symmetry plane. We use this technique to make contact with recent claims for an anisotropic Universe, showing that the detected preferred axis is associated with positive (even) mirror parity. This feature may be an important clue in identifying the culprit for this unexpected signal.

  14. Zöllner's Universe

    Science.gov (United States)

    Kragh, Helge

    2012-12-01

    The idea that space is not Euclidean by necessity, and that there are other kinds of "curved" spaces, diffused slowly to the physical and astronomical sciences. Until Einstein's general theory of relativity, only a handful of astronomers contemplated a connection between non-Euclidean geometry and real space. One of them, the German astrophysicist Johann Carl Friedrich Zöllner (1834-1882), suggested in 1872 a remarkable cosmological model describing a finite universe in closed space. I examine Zöllner's little-known contribution to cosmology and also his even more unorthodox speculations of a four-dimensional space including both physical and spiritual phenomena. I provide an overview of Zöllner's scientific work, of his status in the German scientific community, and of the controversies caused by his polemical style of science. Zöllner's cosmology was effectively forgotten, but there is no reason why it should remain an unwritten chapter in the history of science.

  15. Language universals at birth.

    Science.gov (United States)

    Gómez, David Maximiliano; Berent, Iris; Benavides-Varela, Silvia; Bion, Ricardo A H; Cattarossi, Luigi; Nespor, Marina; Mehler, Jacques

    2014-04-22

    The evolution of human languages is driven both by primitive biases present in the human sensorimotor systems and by cultural transmission among speakers. However, whether the design of the language faculty is further shaped by linguistic biological biases remains controversial. To address this question, we used near-infrared spectroscopy to examine whether the brain activity of neonates is sensitive to a putatively universal phonological constraint. Across languages, syllables like blif are preferred to both lbif and bdif. Newborn infants (2-5 d old) listening to these three types of syllables displayed distinct hemodynamic responses in temporal-perisylvian areas of their left hemisphere. Moreover, the oxyhemoglobin concentration changes elicited by a syllable type mirrored both the degree of its preference across languages and behavioral linguistic preferences documented experimentally in adulthood. These findings suggest that humans possess early, experience-independent, linguistic biases concerning syllable structure that shape language perception and acquisition.

  16. Universal Fingerprinting Chip Server

    Science.gov (United States)

    Casique-Almazán, Janet; Larios-Serrato, Violeta; Olguín-Ruíz, Gabriela Edith; Sánchez-Vallejo, Carlos Javier; Maldonado-Rodríguez, Rogelio; Méndez-Tenorio, Alfonso

    2012-01-01

    The Virtual Hybridization approach predicts the most probable hybridization sites across a target nucleic acid of known sequence, including both perfect and mismatched pairings. Potential hybridization sites, having a user-defined minimum number of bases that are paired with the oligonucleotide probe, are first identified. Then free energy values are evaluated for each potential hybridization site, and if it has a calculated free energy of equal or higher negative value than a user-defined free energy cut-off value, it is considered as a site of high probability of hybridization. The Universal Fingerprinting Chip Applications Server contains the software for visualizing predicted hybridization patterns, which yields a simulated hybridization fingerprint that can be compared with experimentally derived fingerprints or with a virtual fingerprint arising from a different sample. Availability http://bioinformatica.homelinux.org/UFCVH/ PMID:22829736

  17. Infrared-modified Universe

    CERN Document Server

    Piazza, Federico

    2012-01-01

    We consider a Hubble expansion law modified in the infra-red by distance-dependent terms, and attempt to enforce homogeneity upon it. As a warm-up, we re-derive the basic kinematics of a Friedman Robertson Walker universe without using standard general relativistic tools: we describe the expansion with a `Hubble velocity field' rather than with a four dimensional metric. Then we extend this analysis to the modified Hubble expansion and impose a transformation for velocities that makes it identical for all comoving observers, and therefore homogeneous. We derive the modified equation for light ray trajectories and other geometrical properties that are incompatible with the general relativistic description. We speculate that this extended framework could help addressing cosmological problems which are normally explained with accelerating expansions.

  18. External conference: Geneva University

    CERN Multimedia

    2006-01-01

    ECOLE DE PHYSIQUE Département de physique nucléaire et corspusculaire 24, Quai Ernest-Ansermet 1211 GENEVE 4 - Tél : 022 379 62 73 - Fax: 022 379 69 92 Monday 12 June 2006 PARTICLE PHYSICS COLLOQUIUM at 17:00 - Stückelberg Auditorium Quantum computers - dream and realization Prof. R. Blatt / University of Innsbruck, Austria Computational operations always rely on real physical processes, which are data input, data representation in a memory, data manipulation using algorithms and finally, the data output. With conventional computers all the processes are classical processes and can be described accordingly. Theoretically, it is known for several years now that certain computations could be processed much more efficiently using quantum mechanical operations. This requires the implementation of quantum bits (qubits), quantum registers and quantum gates and the development of quantum algorithms. Several approaches for the implementation of quantum computers will be presented, with special emphasis o...

  19. Fred Hoyle's Universe

    Science.gov (United States)

    Gregory, Jane

    2005-08-01

    Fred Hoyle was a Yorkshire truant who became the voice of British astronomy. For fifty years, he spoke out for astronomy in the newspapers, on government committees, at scientific meetings, in popular books and on the radio. He devised a never-ending history of the universe, and worked out how the elements were made. He founded a prestigious institute for theoretical astronomy and built a giant telescope, and if it rained on his summer holiday, he sat in his caravan and wrote science fiction novels for his legions of fans around the world. Fred Hoyle also claimed that diseases fall from the sky, that the big bang never happened, and that the Astronomer Royal should be abolished. When the outspoken Fred Hoyle spoke out for astronomy, some astronomers really wished he had kept his mouth shut. This book tells the behind-the-scenes story of Hoyle's widely acclaimed and deeply controversial role in the ideas, organization and public face of astronomy in post-war Britain. It chronicles the triumphs, acrimony, jealousies, rewards and bitter feuds of a field in turmoil, and meets the astronomers, contemplating cosmic questions, keeping secrets, losing their tempers, winkling information out of distant stars and, over tea on the lawn, discussing the finer points of libel law. Fred Hoyle's Universe draws on previously confidential government documents, recently released personal correspondence and interviews with Hoyle's friends, colleagues and critics, as well as with Hoyle himself, to bring you the man, the science, and the scandal behind the genial and genteel facade of the most exciting period in the history of astronomy.

  20. A Holistic Approach to University Curriculum: Universiti Malaysia Sabah

    OpenAIRE

    Mansur, Kasim; Jubok, Zainudin

    2009-01-01

    In this era of globalisation, most university curriculum requires new sets of settings and arrangements. Universiti Malaysia Sabah (UMS) is no exception. Multi-disciplinary, academic degree-granting programme in UMS have been designed for students and faculties as the basis in ensuring a harmonious existence within and outside the campus. Most of the curriculum in UMS is designed to promote the understanding of universal values and traditions consistent with the quest for global peace and ...

  1. University Pedagogy for Assistant Professors at Aalborg University (Part 2)

    DEFF Research Database (Denmark)

    Kolmos, Anette; Krogh, Lone

    2003-01-01

    In issue 1-2003, Anette Kolmos and Lone Krogh reported on the two-semester study course " University Pedagogy for Assistant Professors at Aalborg University (DK)". Now, in part 2, they are adressing guidelines for supervison and advising of assistant professors in the university teacher education....... The authors supplement their report on supervision and counseling with detalis on the comprehensive 'evaluation statement' compiled for each assistant professor....

  2. University Pedagogy for Assistant Professors at Aalborg University (Part 2)

    DEFF Research Database (Denmark)

    Kolmos, Anette; Krogh, Lone

    2003-01-01

    In issue 1-2003, Anette Kolmos and Lone Krogh reported on the two-semester study course " University Pedagogy for Assistant Professors at Aalborg University (DK)". Now, in part 2, they are adressing guidelines for supervison and advising of assistant professors in the university teacher education....... The authors supplement their report on supervision and counseling with detalis on the comprehensive 'evaluation statement' compiled for each assistant professor....

  3. Between universalism and regionalism: universal systematics from imperial Japan.

    Science.gov (United States)

    Lee, Jung

    2015-12-01

    Historiographic discussions of the universality and regionality of science have to date focused on European cases for making regional science universal. This paper presents a new perspective by moving beyond European origins and illuminating a non-European scientist's engagement with the universality and regionality of science. It will examine the case of the Japanese botanist Nakai Takenoshin (1882-1952), an internationally recognized authority on Korean flora based at Tokyo Imperial University. Serving on the International Committee on Botanical Nomenclature in 1926, Nakai endorsed and acted upon European claims of universal science, whilst simultaneously unsettling them with his regionally shaped systematics. Eventually he came to promote his own systematics, built regionally on Korean flora, as the new universal. By analysing his shifting claims in relation to those of other European and non-European botanists, this paper makes two arguments. First, universalism and regionalism were not contradictory foundations of scientific practice but useful tools used by this non-European botanist in maintaining his scientific authority as a representative Japanese systematist. Second, his claims to universality and regionalism were both imperially charged. An imperially monopolized study of Korean plants left a regional imprint on Nakai's systematics. In order to maintain his scientific authority beyond its region of origin he had to assert either the expanding regionalism of 'East Asia' or universalism.

  4. Open University Center of the Pontifical Javeriana University, Colombia

    Directory of Open Access Journals (Sweden)

    Omayra Parra de Marroquin

    2002-01-01

    Full Text Available According to Garcia Canclini (1990 there is the assumption that Colombia is a hybrid society. Upon this standpoint, and within a traditional higher education structure characterized by being fundamentally conventional or campus based, the Open University Center of the Pontificia Universidad Javeriana was created as an education program that breaks with every traditional scheme, which in turn, encourages a new learning pattern. The Open University Center emerges as a "social response" focused on the "here and now" of today's society in Colombia.The Javeriana University (a hybrid university can be placed in this context as well as the Open University Center, as a part of it. Since its creation, through its programs this center offers education to the most vulnerable of Colombia's population, contributing to raise their quality of life.In this article, the authors outline the Open University Center's place in the University's context: its historical development and its structure concerning students, programs, regulations, infrastructure and technological equipment. They also identify the implications and relationships of the traditional education proper of the Pontificia Universidad Javeriana, as well as the projection and contributions of the Open University Center to the University's future in the pedagogical order of distance education towards virtual education.

  5. Is the Universe logotropic?

    Science.gov (United States)

    Chavanis, Pierre-Henri

    2015-07-01

    We consider the possibility that the universe is made of a single dark fluid described by a logotropic equation of state P = A ln( ρ/ρ*, where ρ is the rest-mass density, ρ * is a reference density, and A is the logotropic temperature. The energy density ɛ is the sum of two terms: a rest-mass energy term ρ c 2 that mimics dark matter and an internal energy term u( ρ) = - P( ρ) - A that mimics dark energy. This decomposition leads to a natural, and physical, unification of dark matter and dark energy, and elucidates their mysterious nature. In the early universe, the rest-mass energy dominates and the dark fluid behaves as pressureless dark matter ( P ≃ 0, ɛ ∝ a -3. In the late universe, the internal energy dominates and the dark fluid behaves as dark energy ( P ˜ - ɛ, ɛ ∝ ln a. The logotropic model depends on a single parameter B = A / ρ Λ c 2 (dimensionless logotropic temperature), where ρ Λ = 6.72 × 10-24 g m-3 is the cosmological density. For B = 0, we recover the ΛCDM model with a different justification. For B > 0, we can describe deviations from the ΛCDM model. Using cosmological constraints, we find that 0 ≤ B ≤ 0.09425. We consider the possibility that dark matter halos are described by the same logotropic equation of state. When B > 0, pressure gradients prevent gravitational collapse and provide halo density cores instead of cuspy density profiles, in agreement with the observations. The universal rotation curve of logotropic dark matter halos is consistent with the observational Burkert profile (Burkert, Astrophys. J. 447, L25 (1995)) up to the halo radius. It decreases as r -1 at large distances, similarly to the profile of dark matter halos close to the core radius (Burkert, arXiv:1501.06604). Interestingly, if we assume that all the dark matter halos have the same logotropic temperature B, we find that their surface density Σ 0 = ρ0 r h is constant. This result is in agreement with the observations (Donato et al., Mon

  6. A Small Universal Petri Net

    Directory of Open Access Journals (Sweden)

    Dmitry A. Zaitsev

    2013-09-01

    Full Text Available A universal deterministic inhibitor Petri net with 14 places, 29 transitions and 138 arcs was constructed via simulation of Neary and Woods' weakly universal Turing machine with 2 states and 4 symbols; the total time complexity is exponential in the running time of their weak machine. To simulate the blank words of the weakly universal Turing machine, a couple of dedicated transitions insert their codes when reaching edges of the working zone. To complete a chain of a given Petri net encoding to be executed by the universal Petri net, a translation of a bi-tag system into a Turing machine was constructed. The constructed Petri net is universal in the standard sense; a weaker form of universality for Petri nets was not introduced in this work.

  7. Achieving Research University: Indonesian Case

    Science.gov (United States)

    Utama, Yos Johan; Ambariyanto

    2017-02-01

    Today many universities have the vision to become a research university, including in Indonesia. It is based on the desire to play a role in advancing science for the benefit of humanity as well as to enhance the university reputation at the international level. However, in the case of Indonesia, it can only be done by several universities, given the large number of universities with very different capabilities. In addition, another problem is human resources, infrastructure, and research funding. Various targets indicator used to determine its success include the number of publications, patents and industrial products. There is an urgent need to improve all factors that can accelerate the increase in research in Indonesia universities, and has been started by the policy of the current government.

  8. Our Astounding Universe

    Science.gov (United States)

    Mishra, Monika

    2016-04-01

    The philosophy of my life is to keep encouraging children to think beyond they could achieve easily. I understand children are adaptive to change and take things with an open mind. They are ready to experiment with new things and dare to dream big. I am fortunate to being a teacher by profession and thus I always attempt experimenting, observing, and participating with other children and adults. Children learn through play. From birth, children are active participants in building their own understanding. Teachers prepare the environment to help each child build on what they already know. It is such a great pleasure to observe every young kid that becomes excited and curious to know when we show them the Universe pictures and tell them about the strange objects in our Universe. So my aim is to keep them ignited by doing different activities throughout the year related to Space. I am always a firm believer of: Creativity is the key to success in the future, and primary education is where teachers can bring creativity in children at that level. One of my main ways of teaching is to conduct various presentations on The Solar System and beyond and debates on Space explorations. A Planet making project is one of the all-time favorite project for my students where they dare to dream to fly in the universe, and with their imagination, kids make different celestial objects and present them. To inculcate scientific attitude I arrange film screening, simulation exercises and quizzes on various topics of astronomy. Every year we celebrate World Space Week 4th to 10th of Oct. The motivation among all came through different hands-on activities like-painting, slogan competition, topics related to space, poetry and essay writing on various topics related to astronomy, assembly presentations in school. I am indeed overwhelmed when I started the very special Space and Astronomy club where young toddlers are involved in different activities like a star gazing program, conducting

  9. Postmodernity and the university

    Directory of Open Access Journals (Sweden)

    Peter Scott

    2012-09-01

    Full Text Available The utility of post-modernism as an interpretative framework for understanding the development of contemporary higher education systems is sharply contested. Critics argue that post-modernism is, at best, a set of ideas in aesthetics, literature and critical theory with limited relevance outside these domains and, at worst, a passing intellectual fashion that is now out-of-date. However, post-modernity —or, as some would prefer, late modernity or ‘fluid’ modernity — is perhaps a more useful idea. In 21stcentury society there are a number of trends, some structural such as the growth of a knowledge-based economy and development of new patterns of knowledge production; and some conceptual such as the reconfiguration of time and space and the recognition of ‘difference’ (and risk? as key factor in the constitution of social life (and individual identity, which have a direct impact on the university. This impact is felt in two ways — first, the university is a primary engine of these transformations. Secondly, the university is shaped by these transformations (both normatively and cognitively in terms of teaching and research and structurally in terms of its organisational characteristics, governance and managementLa utilidad del postmodernismo como marco interpretativo para comprender el desarrollo de los sistemas contemporáneos de educación superior ha sido severamente contestada. Los críticos argumentan que el postmodernismo es, como mucho, un conjunto de ideas en los ámbitos de la estética, literatura y teoría crítica con relevancia limitada fuera de esos campos y, a lo peor, una moda intelectual pasajera que actualmente está caducada. No obstante, la postmodernidad —o, como algunos preferirían, la modernidad tardía o modernidad «fluida»— es quizá una idea más útil. En la sociedad del siglo XXI hay un cúmulo de tendencias, algunas estructurales, como el crecimiento de la economía basada en el conocimiento y el

  10. Inter-Universal Quantum Entanglement

    Science.gov (United States)

    Robles-Pérez, S. J.; González-Díaz, P. F.

    2015-01-01

    The boundary conditions to be imposed on the quantum state of the whole multiverse could be such that the universes would be created in entangled pairs. Then, interuniversal entanglement would provide us with a vacuum energy for each single universe that might be fitted with observational data, making testable not only the multiverse proposal but also the boundary conditions of the multiverse. Furthermore, the second law of the entanglement thermodynamics would enhance the expansion of the single universes.

  11. Gravitational Baryogenesis in Anisotropic Universe

    CERN Document Server

    Saaidi, Kh

    2010-01-01

    The interaction between Ricci scalar curvature and the baryon number current, dynamically breaks CPT in an expanding universe and leads to baryon asymmetry. Using this kind of interaction and study the gravitational baryogenesis in the Bianchi type I universe. We find out the effect of anisotropy of the universe on the baryon asymmetry for the case which the equation of state parameter, $\\omega$, is dependent to time.

  12. FCC Universal Licensing System (ULS)

    Data.gov (United States)

    Federal Communications Commission — The Universal Licensing System allows electronic filing of applications processed by the Commission. The ULS allows you to indicate the application purpose and radio...

  13. Bouncing universes with varying constants

    Energy Technology Data Exchange (ETDEWEB)

    Barrow, John D [DAMTP, Centre for Mathematical Sciences, Cambridge University, Wilberforce Road, Cambridge CB3 0WA (United Kingdom); Kimberly, Dagny [Theoretical Physics, Blackett Laboratory, Imperial College, Prince Consort Road, London SW7 2BZ (United Kingdom); Magueijo, Joao [Theoretical Physics, Blackett Laboratory, Imperial College, Prince Consort Road, London SW7 2BZ (United Kingdom)

    2004-09-21

    We investigate the behaviour of exact closed bouncing Friedmann universes in theories with varying constants. We show that the simplest BSBM varying alpha theory leads to a bouncing universe. The value of alpha increases monotonically, remaining approximately constant during most of each cycle, but increasing significantly around each bounce. When dissipation is introduced we show that in each new cycle the universe expands for longer and to a larger size. We find a similar effect for closed bouncing universes in Brans-Dicke theory, where G also varies monotonically in time from cycle to cycle. Similar behaviour occurs also in varying speed of light theories.

  14. Bouncing Universes with Varying Constants

    CERN Document Server

    Barrow, J D; Magueijo, J; Barrow, John D.; Kimberly, Dagny; Magueijo, Joao

    2004-01-01

    We investigate the behaviour of exact closed bouncing Friedmann universes in theories with varying constants. We show that the simplest BSBM varying-alpha theory leads to a bouncing universe. The value of alpha increases monotonically, remaining approximately constant during most of each cycle, but increasing significantly around each bounce. When dissipation is introduced we show that in each new cycle the universe expands for longer and to a larger size. We find a similar effect for closed bouncing universes in Brans-Dicke theory, where $G$ also varies monotonically in time from cycle to cycle. Similar behaviour occurs also in varying speed of light theories.

  15. Taiwan Universities: Where to Go?

    Directory of Open Access Journals (Sweden)

    Yu-Ying Kuo

    2016-02-01

    Full Text Available The dramatic expansion of Taiwan universities/colleges from about 100 to 160 from the late 1980s has encountered problems due to social and global changes. What should Taiwan universities move toward and how? This research relies on secondary data to explore the issues Taiwan universities currently face—a low birth rate and global competition. The decreasing number of incoming students will result in a lower registration rate and less tuition revenue, which will make some universities struggle to survive. Hence, government policies, proposed by the Ministry of Education, have been implemented to assist Taiwan universities to adjust to external changes. The Innovative Transformation Policy, adopted in 2015, consists of strategies for university–industry cooperation, university mergers, university closures, and a re-shaping of the university paradigm. This policy has begun to be implemented and its initial outcome will be continually evaluated. In accordance with the Innovative Transformation Policy, this study encourages Taiwan universities to improve governance, set prominent unique characteristics of development, and enhance global competitiveness.

  16. The Public Role of Universities – Sponsorship in Icelandic Universities

    Directory of Open Access Journals (Sweden)

    Sigurður Kristinsson

    2014-12-01

    Full Text Available Society is the chief stakeholder in universities. Their main roles are teaching and research, and academic freedom in teaching and research is key to their function. In recent decades, academic freedom has been threatened by the economic system and industry, and in the aftermath of the economic collapse of 2008 universities were said to have been too servile towards industry and government. This study focuses on the public role of universities by considering the attitudes of academic staff and university specialists towards academic freedom and the sponsorship of teaching and research. A survey among this group in Icelandic universities looked at attitudes towards different ways of financing teaching and research. The survey found that just under one third of respondents had worked on privately sponsored research in the last three years. The majority of respondents was opposed to financing university research through grants from companies and just under half was opposed to financing through competitive funds. Respondents in social sciences, education, humanities and arts turned out to be much more likely than other respondents to be concerned about threats from private sponsoring on the objectivity of research. Respondents from private universities or self-financed institutions turn out to be more likely to have worked on privately sponsored research than respondents who work at public universities or state-run research institutes. The former also turn out to be much more supportive of financing research through competitive funds and significantly more open towards private sponsorship.

  17. Building Effective Community-University Partnerships: Are Universities Truly Ready?

    Science.gov (United States)

    Curwood, Susan Eckerle; Munger, Felix; Mitchell, Terry; Mackeigan, Mary; Farrar, Ashley

    2011-01-01

    Community service learning and community-based research necessitate the development of strong community-university partnerships. In this paper, students, faculty, and a community partner critically reflect upon the process of establishing a long-term community-university partnership through the integration of a community service learning component…

  18. Transparency of University Rankings in the Effective Management of University

    Directory of Open Access Journals (Sweden)

    Marta Jarocka

    2015-06-01

    Full Text Available University rankings are extremely important not only for future student, but also for universities themselves. They have a large impact on the institutions of higher education. A lot of universities believe, that rankings help them to maintain and create a reputation. Ranking systems function as some kind of fashion arena, where universities make comparisons between themselves. Universities want to improve their position in published classifications, so very often they try to change their policy and strategy. They also try to influence the ranking indicators, for example by hiring Nobel Prize winners. Therefore, there is an increasing need for reliable and transparent information about schools. However universities need not only statistical data, but also the tools, which will be useful in their comparisons and evaluations. The article presents the possibility of using one of the methods of graphic presentation of multidimensional empirical data structure, so called RGM, proposed by M. Rybaczuk. Thanks to this method universities could easily compare one another. They also could identify the fields of their activities, in which they are able to be better. The proposed way of graphical presentation of the universities could be a useful addition to traditional rankings, which just show us a lists of schools from the best to the worst.

  19. International University Ranking Systems and the Idea of University Excellence

    Science.gov (United States)

    Taylor, Paul; Braddock, Richard

    2007-01-01

    We look at some of the theoretical and methodological issues underlying international university ranking systems and, in particular, their conceptual connection with the idea of excellence. We then turn to a critical examination of the two best-known international university ranking systems--the "Times Higher Education Supplement (THES)" World…

  20. Hydrogen fuel - Universal energy

    Science.gov (United States)

    Prince, A. G.; Burg, J. A.

    The technology for the production, storage, transmission, and consumption of hydrogen as a fuel is surveyed, with the physical and chemical properties of hydrogen examined as they affect its use as a fuel. Sources of hydrogen production are described including synthesis from coal or natural gas, biomass conversion, thermochemical decomposition of water, and electrolysis of water, of these only electrolysis is considered economicially and technologically feasible in the near future. Methods of production of the large quantities of electricity required for the electrolysis of sea water are explored: fossil fuels, hydroelectric plants, nuclear fission, solar energy, wind power, geothermal energy, tidal power, wave motion, electrochemical concentration cells, and finally ocean thermal energy conversion (OTEC). The wind power and OTEC are considered in detail as the most feasible approaches. Techniques for transmission (by railcar or pipeline), storage (as liquid in underwater or underground tanks, as granular metal hydride, or as cryogenic liquid), and consumption (in fuel cells in conventional power plants, for home usage, for industrial furnaces, and for cars and aircraft) are analyzed. The safety problems of hydrogen as a universal fuel are discussed, noting that they are no greater than those for conventional fuels.

  1. The Holographic Universe

    CERN Document Server

    Luminet, Jean-Pierre

    2016-01-01

    I give a critical review of the holographic hypothesis, which posits that a universe with gravity can be described by a quantum field theory in fewer dimensions. I first recall how the idea originated from considerations on black hole thermodynamics and the so-called information paradox that arises when Hawking radiation is taken into account. String Quantum Gravity tried to solve the puzzle using the AdS/CFT correspondence, according to which a black hole in a 5-D anti-de Sitter space is like a flat 4-D field of particles and radiation. Although such an interesting holographic property, also called gauge/gravity duality, has never been proved rigorously, it has impulsed a number of research programs in fields as diverse as nuclear physics, condensed matter physics, general relativity and cosmology. I finally discuss the pros and cons of the holographic conjecture, and emphasizes the key role played by black holes for understanding quantum gravity and possible dualities between distant fields of theoretical p...

  2. Inflation, Universality and Attractors

    CERN Document Server

    Scalisi, Marco

    2016-01-01

    In this PhD thesis, we investigate generic features of inflation which are strictly related to fundamental aspects of UV-physics scenarios, such as string theory or supergravity. After a short introduction to standard and inflationary cosmology, we present our research findings. On the one hand, we show that focusing on universality properties of inflation can yield surprisingly stringent bounds on its dynamics. This approach allows us to identify the regime where the inflationary field range is uniquely determined by both the tensor-to-scalar ratio and the spectral index. Then, we derive a novel field-range bound, which is two orders of magnitude stronger than the original one derived by Lyth. On the other hand, we discuss the embedding of inflation in supergravity and prove that non-trivial hyperbolic K\\"ahler geometries induce an attractor for the inflationary observables: the spectral tilt tends automatically to the center of the Planck dome whereas the amount of primordial gravitational waves is directly...

  3. COMPLEXITY AND UNIVERSITY

    Directory of Open Access Journals (Sweden)

    Edna Lemes Martins Pereira

    2013-12-01

    Full Text Available Economic globalization affects different countries on the globe, has positive effects mainly related to access to communication, which promotes the exchange of ideas, information, products and quality of life. However, extends numerous negative aspects such as marginalization, economic dependencies, political, cultural, scientific, educational accentuate social inequalities and cultural conflicts and territorial. In this article it is a dialogue with authors (Cunha 2009; BARNETT 2005; MORIN 1999, 2006, among others, who understand these changes in society from the contemporary world as conceived as the "Complexity era" or "supercomplexity". To understand and cope with this reality, they propose a paradigm that is able to overcome the fragmentation and reductionism of knowledge and to relate the multiple approaches and visions to meet the complexity of reality. Although this paper presents proposals to the aforementioned authors point to education and the university found in this tangle of interconnected global transformations, given the need to be subject to act in a complex reality that requires critical and self-critical professionals, able to think about their own ability to think, understand and act within this complex context.

  4. Universal mechatronics coordinator

    Science.gov (United States)

    Muir, Patrick F.

    1999-11-01

    Mechatronic systems incorporate multiple actuators and sensor which must be properly coordinated to achieve the desired system functionality. Many mechatronic systems are designed as one-of-a-kind custom projects without consideration for facilitating future system or alterations and extensions to the current syste. Thus, subsequent changes to the system are slow, different, and costly. It has become apparent that manufacturing processes, and thus the mechatronics which embody them, need to be agile in order to more quickly and easily respond to changing customer demands or market pressures. To achieve agility, both the hardware and software of the system need to be designed such that the creation of new system and the alteration and extension of current system is fast and easy. This paper describes the design of a Universal Mechatronics Coordinator (UMC) which facilitates agile setup and changeover of coordination software for mechatronic systems. The UMC is capable of sequencing continuous and discrete actions that are programmed as stimulus-response pairs, as state machines, or a combination of the two. It facilitates the modular, reusable programing of continuous actions such as servo control algorithms, data collection code, and safety checking routines; and discrete actions such as reporting achieved states, and turning on/off binary devices. The UMC has been applied to the control of a z- theta assembly robot for the Minifactory project and is applicable to a spectrum of widely differing mechatronic systems.

  5. External conference: Geneva University

    CERN Multimedia

    2007-01-01

    ECOLE DE PHYSIQUE Département de physique nucléaire et corspusculaire 24, Quai Ernest-Ansermet 1211 GENEVE 4 - Tél : 022 379 62 73 - Fax: 022 379 69 92 Monday 11 June 2007 COLLOQUE DE LA SECTION DE PHYSIQUE at 17:00 - Stückelberg Auditorium The CERN Axion Solar Telescope (CAST). Motivation, concept, results and potential implications Prof. Konstantin ZIOUTAS / University of Patras/Greece & CERN and CAST-spokesperson Axion is one of the leading dark matter particle candidates. The last few years axion searches are in the spotlight. The physics motivation will be presented. Particles like the axions should be produced also in Stars like our Sun. In magnetic fields axions can coherently oscillate to photons and vice versa (Primakoff effect). CAST searches for solar axions pointing a recycled LHC magnet towards the Sun, and, it provides new results since 2002. Its working principle might well be already at work in outer space, asking for an alternative, though exotic, point of view for certain myst...

  6. Outside the Gutenberg Universe

    Directory of Open Access Journals (Sweden)

    Eva Kodrič-Dačič

    2006-01-01

    Full Text Available Technological development has changed the media and formats for recording information, as well as the methods for their collection, preservation, reproduction and use. After six and a half centuries since the invention of printing press, electronic publications on Internet represent a revolutionary break-through in communication and data transmission. The new format has changed the publication to the extent that the library science should re-define the topic of its research, and re-consider the methods and procedures for its treatment. Consequently, the library science should refer to the underlying terminological and typological research, and re-define the subject of bibliographic processing and determine the elements for the subject’s identification. The new technological platform of electronic publications opens a range of possibilities, which make the significance and value of the established methods of knowledge management very relative, and thus also the basis of the library science and its “raisson d’ętre”. No cultural value is attached to electronic publications due to their specific characteristics, as it has been attached to a book in our civilization. Therefore, collection and long-term preservation of this material is not problematic only from the technological but also from the sociological aspect. By dealing with electronic media, library theory and practice finally step from the area of the known laws of the Gutenberg universe into the new space, where the new working rules will have to be established.

  7. External meeting: Geneva University

    CERN Multimedia

    2006-01-01

    Université de Genève Ecole de physique 24 quai Ernest Ansermet 1211 Genève 4 Tél : + 41 22 379 63 83 (secrétariat) Tél : + 41 22 379 62 56 (réception) Fax: + 41 22 379 69 22 Lundi 20 novembre 2006 COLLOQUIUM 17:00 - Auditoire Stückelberg Electrical correlation measurements in quantum nano-structures Dr. Stefan Oberholzer / Basel University Measuring the current-voltage characteristics of small conductors is widely used to characterize their electronic transport properties. In addition to such time-averaged measurements, correlation measurements between temporal fluctuations (noise) around the time-averaged mean current provide us with very important supplementary information about electrical transport. In this talk, I review our experimental work on shot noise, noise which originates from the granularity of charge and the diffraction of the electronic wave-function, and especially address the fundamental relation between electronic scattering experiments and the statistical properties of indist...

  8. Universal Sparse Modeling

    CERN Document Server

    Ramirez, Ignacio

    2010-01-01

    Sparse data models, where data is assumed to be well represented as a linear combination of a few elements from a dictionary, have gained considerable attention in recent years, and their use has led to state-of-the-art results in many signal and image processing tasks. It is now well understood that the choice of the sparsity regularization term is critical in the success of such models. In this work, we use tools from information theory, and in particular universal coding theory, to propose a framework for designing sparsity regularization terms which have several theoretical and practical advantages when compared to the more standard l0 or l1 ones, and which lead to improved coding performance and accuracy in reconstruction and classification tasks. We also report on further improvements obtained by imposing low mutual coherence and Gram matrix norm on the corresponding learned dictionaries. The presentation of the framework and theoretical foundations is complemented with examples in image denoising and c...

  9. Two Belgian University Hospitals

    Directory of Open Access Journals (Sweden)

    M. Huylebrouck

    2012-01-01

    Full Text Available Background. Bevacizumab (BEV, a humanized immunoglobulin G1 monoclonal antibody that inhibits VEGF has demonstrated activity against recurrent high-grade gliomas (HGG in phase II clinical trials. Patients and Methods. Data were collected from patients with recurrent HGG who initiated treatment with BEV outside a clinical trial protocol at two Belgian university hospitals. Results. 19 patients (11 M/8 F were administered a total of 138 cycles of BEV (median 4, range 1–31. Tumor response assessment by MRI was available for 15 patients; 2 complete responses and 3 partial responses for an objective response rate of 26% for the intent to treat population were observed on gadolinium-enhanced T1-weighted images; significant regressions on T2/FLAIR were documented in 10 out of 15 patients (67%. A reduced uptake on PET was documented in 3 out of 4 evaluable patients. The six-month progression-free survival was 21% (95% CI 2.7–39.5. Two patients had an ongoing tumor response and remained free from progression after 12 months of BEV treatment. Conclusions. The activity and tolerability of BEV were comparable to results from previous prospective phase II trials. Reduced uptake on PET suggests a metabolic response in addition to an antiangiogenic effect in some cases with favorable clinical outcome.

  10. A Self Organizing Universe

    Science.gov (United States)

    Wagner, Orvin E.

    2001-05-01

    First Feynman and Wheeler suggested in-out waves associated with elementary particles. Quantum field theory has waves propagating backward in time producing standing waves. The math suggests that the sun also produces its own in-out waves which spaced and now stabilize the planets. The same is true for the gaseous planets with their sattelites. I propose two postulates (suggested by my work). (1) Longitudinal waves are produced by electromagnetic sources. These waves become standing waves because space(or the vacuum)responds with an automatic return wave related to the inertial nature of space.(2)Larger sources such as the sun excite smaller sources such as the planets with successively smaller sources producing shorter and shorter wavelengths at lower and lower power. The hierarchical nature is suggested by 1/f phenomena. The standing waves from larger sources produce the organizing forces for galaxy and star formation as well as the repeating structures of the universe. The wave effects were first found in plant organization and then it was observed that the waves are everywhere. See the Wagner web site.

  11. Gravity Driven Universe

    Science.gov (United States)

    Masters, Roy

    2010-03-01

    Flowing global gravitation initially produced space without time or mass. Space-time and mass are properties of flowing global gravitation. From its fabric, primal mass spins spontaneously giving rise to local gravitational space-time curvatures. Global gravity is the unifying background field. Gravity began flowing from its singularity with a big whoosh. It curves with angular rotational precession, creating a spatial geometry similar to the windings of a ball of string. Three-dimensional global gravity swirls locally into massive densities. Concurrently with these densities, local gravity curvatures of space-time arise. The expanse between celestial objects is not completely empty, void space as generally believed; it is antecedent gravity, a prerequisite associated field necessary for originating the first quantum particles. Gravity is dark energy; gravity's spin, as the second fundamental force, is electromagnetic dark matter. Electromagnetic masses attract then gravity compresses hot, dense and small---then bang, the first hydrogen star of which there are many. There may have been many big bangs, but no Big Bang that ultimately created the universe.

  12. Benchmarking in University Toolbox

    Directory of Open Access Journals (Sweden)

    Katarzyna Kuźmicz

    2015-06-01

    Full Text Available In the face of global competition and rising challenges that higher education institutions (HEIs meet, it is imperative to increase innovativeness and efficiency of their management. Benchmarking can be the appropriate tool to search for a point of reference necessary to assess institution’s competitive position and learn from the best in order to improve. The primary purpose of the paper is to present in-depth analysis of benchmarking application in HEIs worldwide. The study involves indicating premises of using benchmarking in HEIs. It also contains detailed examination of types, approaches and scope of benchmarking initiatives. The thorough insight of benchmarking applications enabled developing classification of benchmarking undertakings in HEIs. The paper includes review of the most recent benchmarking projects and relating them to the classification according to the elaborated criteria (geographical range, scope, type of data, subject, support and continuity. The presented examples were chosen in order to exemplify different approaches to benchmarking in higher education setting. The study was performed on the basis of the published reports from benchmarking projects, scientific literature and the experience of the author from the active participation in benchmarking projects. The paper concludes with recommendations for university managers undertaking benchmarking, derived on the basis of the conducted analysis.

  13. Water in the Universe

    CERN Document Server

    Hanslmeier, Arnold

    2011-01-01

    Due to its specific chemical and physical properties, water is essential for life on Earth. And it is assumed that this would be the case for extraterrestrial life as well. Therefore it is important to investigate where water can be found in the Universe. Although there are places that are completely dry, places where the last rainfall happened probably several 100 million years ago, surprisingly this substance is quite omnipresent. In the outer solar system the large satellites of Jupiter and Saturn are covered by a thick layer of ice that could be hiding a liquid ocean below. This of course brings up the question of whether the recently detected extrasolar planets could have some water on their surfaces and how we can detect this. Water molecules are also found in interstellar gas and dust clouds. This book begins with an introductory chapter reviewing the physical and chemical properties of water. Then it illuminates the apparent connection between water and life. This is followed by chapters dealing with ...

  14. Universities and Patent Demands.

    Science.gov (United States)

    Cordova, Andrew K; Feldman, Robin

    2015-11-01

    Research universities have made enormous contributions to the field of medicine and the treatment of human disease. Alone or in collaboration with pharmaceutical companies, academic researchers have added to the store of knowledge that has led to numerous life science breakthroughs. A new chapter may be opening for academic researchers, however, that could lead to a darker tale. 'The mouse that trolled: the long and tortuous history of a gene mutation patent that became an expensive impediment to Alzheimer's research, by Bubela et al., chronicles one such tale.' The authors do an excellent job of bringing to life the twisting saga that engulfed numerous academic and non-profit Alzheimer's researchers over many years. The authors note that the story is an outlier, but sadly, that may not be the case. There are increasing signs that academic researchers and their institutions are being caught up in the rush for gold that is accompanying the proliferation of the non-practicing entity business model. As I have noted before, academic institutions have a dual role, as keepers of the academic flame and guardians of the public monies entrusted to them through state and federal research funding. The specter of taxpayer money being used, not to advance research and for the betterment of society, but as part of schemes to extract money from productive companies may not sit well with voters, and ultimately, with legislators. In that case, researchers and institutions themselves may have much to lose.

  15. The rotating universe (philosophical understanding

    Directory of Open Access Journals (Sweden)

    Demidchenko V. V.

    2016-01-01

    Full Text Available The subject matter of the article is a standard cosmological model of the Universe. Contemporary opinion regarding origin, structure, and evolution of the Universe is of great interest. The answer to the question of the Universe origin is given by the Big Bang Theory. Is it possible to be sure in this theory correctness, which persuading of the Universe origination from the singularity fluctuation, when the World had appeared from nowhere, that is from abstract nothingness, further accelerated expansion of the Universe following the Big Bang, and its development up to present with inexplicable source of energy for that. However, in the extreme end of the meta-universe the speed of stellar formations runaway is about the light velocity. Further, there is a new problem, the finiteness of the Universe. There are two counter-opinions, if the expanding Universe is finite or infinite. A very important question arises here, the question regarding isolatedness of the Universe as a system. The problem of the Universe heat death (when the matter will stop its movement is closely connected with it. For this reason it is the time to discuss the Universe entropy. There is a short description of notions and problems with reference to this branch of knowledge, as well as of Doppler and Ritz effects alongside with Habble Law. The authors’ detailed interpretation of an entropy is also suggested. The analysis of the existing model is followed by the idea of the authors about the Universe organization. The style of the article is popular-science. In the first part of the article the existing concept of the Expanding Universe Theory and the dynamical Friedmann-Lemaitre models are described; it deals with the existing concept of the Big Bang Theory as well as the dark energy and the dark matter notions. In the second part the author gives detailed interpretation of an entropy. In the last part the problem of theoretical basis and fact nonconformity within the

  16. Universality and Beyond

    Directory of Open Access Journals (Sweden)

    Phillips D.R.

    2010-04-01

    Full Text Available I discuss the impact of a finite effective range, r, on systems with a large two-body scattering length, a. In particular, I show how observables can be written as an expansion around the “universal”, or large-scatteringlength limit. The parameter governing this expansion is the ratio r/a. In few-nucleon systems the ratio r/a has a value of about 1/3, and so such corrections are essential in producing good agreement between theory and data. Hence, I first show how these effects range play a key role in making the so-called “pionless” effective field theory a successful descriptor of low-energy processes in the NN system. I then move to the NNN system, and review predictions for the energy-dependence of observables there. However, the beautiful Efimov physics associated with the presence of a large scattering length is not fully revealed in the NNN system, precisely because r/a corrections are large. I therefore turn to cold atomic gases and show that there are some important recent experiments where physics “beyond universality” affects the data. In the process I demonstrate that an additional piece of short-distance physics is necessary to renormalize scattering-length-dependent observables in the three-body system once corrections ∼ r are considered. Finally, I discuss recent initial efforts to compute r/a corrections to the predictions of universality for the four-body system.

  17. University cardiology clinic.

    Science.gov (United States)

    Borozanov, V

    2013-01-01

    In distant 1972, within framework of the Internal Clinic, a cardiologic department was organized which was soon, on 29.XII.1974, transformed into the Cardiology Clinic, later the Institute for Heart Diseases, and in 2008 was renamed the University Cardiology Clinic. The greater part of its foundation was possible owing to Prof. Dimitar Arsov and Prof. Radovan Percinkovski, who was the clinic's first director in the period from 1974 to 1984. In 1985, the Clinic moved into its own new building, and in that way was physically detached from the Internal Clinics. Until its move to the new building, the Clinic functioned in the Internal Clinics building, organized as an outpatient polyclinic and inpatient infirmary department with clinical beds, a coronary intensive care unit and a haemodynamics laboratory equipped with the most modern equipment of that time. Today the Clinic functions through two integral divisions: an inpatient infirmary department which comprises an intensive coronary care unit and fourteen wards which altogether have 139 clinical beds, and the diagnostic centre which comprises an emergency clinic and day hospital, a communal and consultative outpatients' clinic functioning on a daily basis, through which some 300-350 patients pass every day, and diagnostic laboratories with a capacity of nearly 100 non-invasive and 20-30 invasive diagnostic procedures daily. The Clinic is a teaching base, and its doctors are educators of students at the Medical, Dental and Pharmacy Faculties, and also of students at the High School for Nurses and X-ray technicians, but also for those in Internal Medicine and especially Cardiology. The Clinic is also a base for scientific Masters' and post-doctoral studies, and such higher degrees are achieved not only by doctors who work here, but also by doctors from Medical Centres both in the country and abroad. Doctors working in this institution publish widely, not only a great number of books and monographs, but also original

  18. Soldier universal robot controller

    Science.gov (United States)

    Hyams, Jeffrey; Batavia, Parag; Liao, Elizabeth; Somerville, Andrew

    2008-04-01

    The Soldier Universal Robot Controller (SURC) is a modular OCU designed for simultaneous control of heterogeneous unmanned vehicles. It has a well defined, published API., defined using XML schemas, that allows other potential users of the system to develop their own modules for rapid integration with SURC. The SURC architecture is broken down into three layers: User Interface, Core Functions, and Transport. The User Interface layer is the front end module which provides the human computer interface for user control of robots. The Core layer is further divided into the following modules: Capabilities, Tactical, Mobility, and World Model. The Capabilities module keeps track of the known robots and provides a list of specifications and services. The Mobility module provides path planning via D*, while the Tactical module provides higher level mission planning (multi-agent/multi-mission) capabilities for collaborative operations. The World Model module is a relational database which stores world model objects. Finally, a Transport module provides translation from the SURC architecture to the robot specific messaging protocols (such as JAUS). This allows fast integration of new robot protocols into an existing SURC implementation to enable a new system to rapidly leverage existing SURC capabilities. The communication between different modules within the SURC architecture is done via XML. This gives developers and users the flexibility to extend existing messages without breaking backwards compatibility. The modularity of SURC offers users and developers alike the capability to create custom modules and plug them into place, as long as they follow the pre defined messaging API for that module.

  19. The INTEGRAL Universe

    Science.gov (United States)

    Schoenfelder, V.; Lichti, G.; Winkler, C.

    2004-10-01

    The 5th INTEGRAL workshop "The INTEGRAL Universe" was held at the premises of the Bayerische Akademie der Wissenschaften in Munich, Germany, from February 16 - 20, 2004. The workshop was attended by over 230 scientists from all over the world. The aim of the workshop was twofold: to bring the scientists together who are using data from the INTEGRAL mission and to present first results which were obtained by the four INTEGRAL instruments during the first 18 months of operation. It was for the first time after launch that INTEGRAL results were presented and discussed in a broader scientific context and compared with results obtained with other instruments at different wavelengths (especially in the optical, infrared and radio). Naturally the results concentrated mainly on the hard X-ray regime since photons are plentiful and the sensitivity of the INTEGRAL instruments is best there. But also very interesting early results at low-energy gamma-rays, especially on gamma-ray lines, were presented. Because of INTEGRAL?s ability to measure and localize gamma-ray bursts quickly, this topic also drew a lot of attention and stimulating results were presented. The following list emphasizes the scientific importance of the topics which were covered by 6 invited, 1 special and 64 contributed talks as well as about 180 posters: + Nucleosynthesis and gamma-ray line spectroscopy + Pulsars + X-ray binaries (with neutron stars and black holes) + Interstellar continuum emission + AGN (Seyferts and Blazars) + Clusters of galaxies + Cosmic background radiation + Gamma-ray bursts + Unidentified gamma-ray sources + Solar flare gamma-rays + Data analysis (posters only) * Future instruments and missions (posters only)

  20. TIGER: the universal biosensor

    Science.gov (United States)

    Hofstadler, Steven A.; Sampath, Rangarajan; Blyn, Lawrence B.; Eshoo, Mark W.; Hall, Thomas A.; Jiang, Yun; Drader, Jared J.; Hannis, James C.; Sannes-Lowery, Kristin A.; Cummins, Lendell L.; Libby, Brian; Walcott, Demetrius J.; Schink, Amy; Massire, Christian; Ranken, Raymond; Gutierrez, Jose; Manalili, Sheri; Ivy, Cristina; Melton, Rachael; Levene, Harold; Barrett-Wilt, Greg; Li, Feng; Zapp, Vanessa; White, Neill; Samant, Vivek; McNeil, John A.; Knize, Duane; Robbins, David; Rudnick, Karl; Desai, Anjali; Moradi, Emily; Ecker, David J.

    2005-03-01

    In this work, we describe a strategy for the detection and characterization of microorganisms associated with a potential biological warfare attack or a natural outbreak of an emerging infectious disease. This approach, termed TIGER (Triangulation Identification for the Genetic Evaluation of Risks), relies on mass spectrometry-derived base composition signatures obtained from PCR amplification of broadly conserved regions of the microbial genome(s) in a sample. The sample can be derived from air filtration devices, clinical samples, or other sources. Core to this approach are "intelligent PCR primers" that target broadly conserved regions of microbial genomes that flank variable regions. This approach requires that high-performance mass measurements be made on PCR products in the 80-140 bp size range in a high-throughput, robust modality. As will be demonstrated, the concept is equally applicable to bacteria and viruses and could be further applied to fungi and protozoa. In addition to describing the fundamental strategy of this approach, several specific examples of TIGER are presented that illustrate the impact this approach could have on the way biological weapons attacks are detected and the way that the etiologies of infectious diseases are determined. The first example illustrates how any bacterial species might be identified, using Bacillus anthracis as the test agent. The second example demonstrates how DNA-genome viruses are identified using five members of Poxviridae family, whose members includes Variola virus, the agent responsible for smallpox. The third example demonstrates how RNA-genome viruses are identified using the Alphaviruses (VEE, WEE, and EEE) as representative examples. These examples illustrate how the TIGER technology can be applied to create a universal identification strategy for all pathogens, including those that infect humans, livestock, and plants.