2,109 research outputs found

    Trends in Outcomes for Young People with Disabilities: Are We Making Progress?

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    This paper uses the Current Population Survey (CPS) from 1981-2000 to compare long term trends in socio-economic outcomes for youth (aged 15-21) and young adults (aged 22-29) with work limitations to those for youth and young adults without work limitations. We focus on the years 1988 and 1999: years that roughly correspond to the peaks of successive business cycles. We find that prevalence of work limitations declined for males but increased for females, mostly accounted for by growth for African American females. Despite a substantial reduction in the educational attainment gap between young adults with and without disabilities, gaps in employment, earnings, dependency on public programs and poverty widened substantially. These trends could be due to factors that determine whether individuals report themselves to be work-limited, factors that affect individual outcomes regardless of self-reported work limitation status, or both sets of factors

    Mentoring: results from the Australian Psychological Society College of Health Psychologists professional mentoring survey

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    Introduction: A key purpose of APS College of Health Psychologists (CHP) is to provide professional support for Health Psychologists. Professional mentoring provides opportunities for new practitioners, to be matched with established practitioners, to assist with transition to professional practice. The CHP is considering developing a platform to facilitate professional mentoring. This project aims to better understand members’ needs, for future support/development opportunities. Methods: Health Psychologists comprising all membership categories and final-year post-graduate Health Psychology students were invited were invited to complete a mentoring survey, advertised through professional/university networks and related social-media sites. Socio-demographic and education/employment information was captured. Ethics approval was obtained from Bond University. Results: There were fifty-two respondents (57% graduated from highest degree within six years, 27% post-grads; 66% Health Psychology Masters/PhD). Majority (80%) knew the process for becoming Health Psychology-endorsed, whilst half (56%) knew requirements for CHP membership (56%). Two-thirds (68%) would recommend a career in Health Psychology to others (23% unsure). Main findings indicated 73% expressed interest in a mentoring program sponsored by CHP (7% unsure); and were most interested in: advice about endorsement requirements, employment and growing a career in health psychology; with preferred mentoring formats face-to-face and email. Further qualitative analysis revealed key themes regarding motivations and barriers (time, family) for mentoring. Conclusions: This information will help inform the development of a mentoring platform to support the professional and workforce development needs of Health Psychologists in Australia, and tailor other APS CHP services to the better meet the needs of recent graduates/early-career Health Psychologists

    Phase 2 of the array automated assembly task for the low cost solar array project

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    The process sequence for the fabrication of dendritic web silicon into solar panels was modified to include aluminum back surface field formation. Plasma etching was found to be a feasible technique for pre-diffusion cleaning of the web. Several contacting systems were studied. The total plated Pd-Ni system was not compatible with the process sequence; however, the evaporated TiPd-electroplated Cu system was shown stable under life testing. Ultrasonic bonding parameters were determined for various interconnect and contact metals but the yield of the process was not sufficiently high to use for module fabrication at this time. Over 400 solar cells were fabricated according to the modified sequence. No sub-process incompatibility was seen. These cells were used to fabricate four demonstration modules. A cost analysis of the modified process sequence resulted in a selling price of $0.75/peak watt

    Reduced glycogen availability is associated with increased AMPKα2 activity, nuclear AMPKα2 protein abundance, and GLUT4 mRNA expression in contracting human skeletal muscle

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    Glycogen availability can influence glucose transporter 4 (GLUT4) expression in skeletal muscle through unknown mechanisms. The multisubstrate enzyme AMP-activated protein kinase (AMPK) has also been shown to play an important role in the regulation of GLUT4 expression in skeletal muscle. During contraction, AMPK [alpha]2 translocates to the nucleus and the activity of this AMPK isoform is enhanced when skeletal muscle glycogen is low. In this study, we investigated if decreased pre-exercise muscle glycogen levels and increased AMPK [alpha]2 activity reduced the association of AMPK with glycogen and increased AMPK [alpha]2 translocation to the nucleus and GLUT4 mRNA expression following exercise. Seven males performed 60 min of exercise at ~70% [VO.sub.2] peak on 2 occasions: either with normal (control) or low (LG) carbohydrate pre-exercise muscle glycogen content. Muscle samples were obtained by needle biopsy before and after exercise. Low muscle glycogen was associated with elevated AMPK [alpha]2 activity and acetyl-CoA carboxylase [beta] phosphorylation, increased translocation of AMPK [alpha]2 to the nucleus, and increased GLUT4 mRNA. Transfection of primary human myotubes with a constitutively active AMPK adenovirus also stimulated GLUT4 mRNA, providing direct evidence of a role of AMPK in regulating GLUT4 expression. We suggest that increased activation of AMPK [alpha]2 under conditions of low muscle glycogen enhances AMPK [alpha]2 nuclear translocation and increases GLUT4 mRNA expression in response to exercise in human skeletal muscle. <br /

    Phase I Trial of a Lactobacillus crispatus Vaginal Suppository for Prevention of Recurrent Urinary Tract Infection in Women

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    Objectives: We performed a phase I trial to assess the safety and tolerance of a Lactobacillus vaginal suppository for prevention of recurrent UTI. Methods: Premenopausal women with a history of recurrent UTI were randomized to use L. crispatus CTV-05 or placebo vaginal suppositories daily for five days. Results: 30 women were randomized (15 to L. crispatus CTV-05). No severe adverse events occurred. Mild to moderate vaginal discharge and genital irritation were reported by women in both study arms. Seven women randomized to L. crispatus CTV-05 developed pyuria without associated symptoms. Most women had high concentrations of vaginal H202-producing lactobacilli before randomization. L. crispatus, L. jensenii, and L. gasseri were the most common Lactobacillus species identified, with stable prevalence over time. Conclusions: L. crispatus CTV-05 can be given as a vaginal suppository with minimal sideeffects to healthy women with a history of recurrent UTI. Mild inflammation of the urinary tract was noted in some women

    Corotational Formulation for Bonded Joint Finite Elements

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    Peer Reviewedhttps://deepblue.lib.umich.edu/bitstream/2027.42/140672/1/1.j052422.pd

    One-Dimensional Directed Sandpile Models and the Area under a Brownian Curve

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    We derive the steady state properties of a general directed ``sandpile'' model in one dimension. Using a central limit theorem for dependent random variables we find the precise conditions for the model to belong to the universality class of the Totally Asymmetric Oslo model, thereby identifying a large universality class of directed sandpiles. We map the avalanche size to the area under a Brownian curve with an absorbing boundary at the origin, motivating us to solve this Brownian curve problem. Thus, we are able to determine the moment generating function for the avalanche-size probability in this universality class, explicitly calculating amplitudes of the leading order terms.Comment: 24 pages, 5 figure
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