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Melanie Birks, John Smithson, Janene Antney, Lin Zhao, Camilla Burkot
BACKGROUND: Universities' responsibility to ensure academic integrity is frustrated by software and communication tools that facilitate content reuse coupled with a growing international essay writing economy. A wide range of behaviours constitute academic dishonesty and while a complex phenomenon to examine, existing evidence suggests that there is sufficient proliferation (both in volume and variety) of these behaviours among Australian university students to warrant concern. This proliferation presents faculty and staff with new challenges in ensuring academic integrity...
March 2, 2018: Nurse Education Today
Kimberly Coughlin, R David Hayward, Mary Fessler, Elango Edhayan
OBJECTIVES: Although individual socioeconomic status has been linked with risk of traumatic injury, there has been relatively little research into the question of how economic changes may impact trauma admission rates in neighborhoods with different socioeconomic backgrounds. METHODS: This study pairs ZIP code-level data on trauma admissions with county-level data on unemployment to assess differences in the type of changes experienced in more and less affluent neighborhoods of the Detroit metropolitan area between 2006 and 2014...
March 15, 2018: International Journal of Public Health
Yehuda Ben-Shahar
Manganese (Mn) is an essential trace element that acts as a metal co-factor in diverse biochemical and cellular functions. However, chronic environmental exposure to high levels of Mn is a well-established risk factor for the etiology of severe, atypical parkinsonian syndrome (manganism) via its accumulation in the basal ganglia, pallidum, and striatum brain regions, which is often associated with abnormal dopamine, GABA, and glutamate neural signaling. Recent studies have indicated that chronic Mn exposure at levels that are below the risk for manganism can still cause behavioral, cognitive, and motor dysfunctions via poorly understood mechanisms at the molecular and cellular levels...
2018: Frontiers in Genetics
Adam Whitworth
BACKGROUND: Health-related unemployment is a major issue across advanced economies. Modified versions of well-evidenced Individual Placement and Support (IPS) models of employment support for health cohorts offer considerable potential. A significant gap currently however is the lack of evidence around their financial return on investment. OBJECTIVE/HYPOTHESIS: To provide robust financial return on investment estimates for analytically derived alternative specifications of modified IPS services for the first time in the literature, sensitivity tested across various levels of performance...
March 9, 2018: Disability and Health Journal
Leonardo Reyes Gonzalez, Claudia N González Brambila, Francisco Veloso
This paper analyzes the influence key scientists have in the development of a science and technology system. In particular, this work appraises the influence that star scientists have on the productivity and impact of young faculty, as well as on the likelihood that these young researchers become a leading personality in science. Our analysis confirms previous results that eminent scientist have a prime role in the development of a scientific system, especially within the context of an emerging economy like Mexico...
2018: PloS One
Boon Phiaw Kho, Mohamed Azmi Hassali, Ching Jou Lim, Fahad Saleem
OBJECTIVES: The aims of this research were to determine extra-organisational challenges (e.g. market competition, governing policies) faced by community pharmacies in Sarawak, the coping strategies employed to deal with these challenges and explore potential legislative changes that can attenuate the intensity of these challenges. METHODS: Survey questionnaires (n = 184) were posted to all eligible community pharmacies in Sarawak, Malaysia. The questionnaire included sections on participants' demographic data, extra-organisational challenges faced, coping strategies employed and proposals to improve community pharmacy legislations...
March 15, 2018: International Journal of Pharmacy Practice
G Ström, S Boqvist, A Albihn, L-L Fernström, A Andersson Djurfeldt, S Sokerya, T Sothyra, U Magnusson
Background: Administration of antimicrobials to food-producing animals is regarded as a major contributor to the overall emergence of resistance in bacteria worldwide. However, few data are available on global antimicrobial use and resistance (AMR) in livestock, especially from low- and middle-income countries. Methods: We conducted a structured survey of 91 small-scale pig farms in the urban and peri-urban areas of Phnom Penh, Cambodia, to assess the farmers' knowledge, attitudes and practices related to antimicrobial use in their pig production...
2018: Antimicrobial Resistance and Infection Control
Caris E Grimes, Matthew Quaife, Thaim B Kamara, Christopher B D Lavy, Andy J M Leather, Håkon A Bolkan
OBJECTIVES: The Lancet Commission on Global Surgery estimated that low/middle-income countries will lose an estimated cumulative loss of US$12.3 trillion from gross domestic product (GDP) due to the unmet burden of surgical disease. However, no country-specific data currently exist. We aimed to estimate the costs to the Sierra Leone economy from death and disability which may have been averted by surgical care. DESIGN: We used estimates of total, met and unmet need from two main sources-a cluster randomised, cross-sectional, countrywide survey and a retrospective, nationwide study on surgery in Sierra Leone...
March 14, 2018: BMJ Open
S Bertolini, A Rosamilia, C Caruso, C Maurella, F Ingravalle, A Quasso, P L Acutis, M Pitti, L Masoero, G Ru
BACKGROUND: Caprine herpesvirus 1 (CpHV-1) causes neonatal mortality and reproductive failure in goats. Despite its impact on herd reproductive performance, few studies have investigated the risk factors associated with CpHV-1 infection. The aim of this cross-sectional study was to identify potential herd- and host-level risk factors associated with CpHV-1 prevalence in a goat population with heterogeneous seropositivity for CpHV-1. RESULTS: Blood samples and individual data from 4542 goats were collected from 255 herds in Piedmont, Italy...
March 14, 2018: BMC Veterinary Research
Zhijun Tan, Fuyan Shi, Haiyue Zhang, Ning Li, Yongyong Xu, Ying Liang
BACKGROUND: In advanced economies, economic factors have been found to be associated with many health outcomes, including health-related quality of life (HRQL), and people's health is affected more by income inequality than by absolute income. However, few studies have examined the association of income inequality and absolute income with HRQL in transitional economies using individual data. This paper focuses on the effects of county or district income inequality and absolute income on the HRQL measured by EQ-5D and the differences between rural and urban regions in Shaanxi province, China...
March 14, 2018: International Journal for Equity in Health
Jennifer A Sheridan, Bryan L Stuart
Accurately delimiting species and their geographic ranges is imperative for conservation, especially in areas experiencing rapid habitat loss. Southeast Asia currently has one of the highest rates of deforestation in the world, is home to multiple biodiversity hotspots, and the majority of its countries have developing economies with limited resources for biodiversity conservation. Thus, accurately delimiting species and their ranges is particularly important in this region. We examined genetic and morphological variation in the widespread frog species Sylvirana nigrovittata (and its long-treated junior synonym S...
2018: PloS One
Joseph E Kerschner, Jerris R Hedges, Karen Antman, Edward Abraham, Edgar Colón Negrón, J Larry Jameson
Academic medical center (AMC) faculty, administrators, and leaders have the critical tasks of teaching and training the next generation of health care providers and biomedical researchers, as well as generating new knowledge that improves the health of all. In the United States, medical schools and their affiliated hospitals train remarkably high-quality physicians and scientists, and the research conducted at these institutions results in advances in health. To that end, AMCs have become essential engines for driving better health in the United States and the rest of the world; they also have become essential engines driving the economies of their respective communities and regions...
March 13, 2018: Academic Medicine: Journal of the Association of American Medical Colleges
Bo You, Yujie Sun
Electrocatalytic water splitting driven by renewable energy input to produce clean H2 has been widely viewed as a promising strategy of the future energy portfolio. Currently, the state-of-the-art electrocatalysts for water splitting in acidic solutions are IrO2 or RuO2 for the O2 evolution reaction (OER) and Pt for the H2 evolution reaction (HER). Realization of large-scale H2 production from water splitting requires competent nonprecious electrocatalysts. Despite the advances of decades in this field, several challenges still exist and need to be overcome: (1) Most efforts in the design of nonprecious electrocatalysts have focused on developing HER catalysts for acidic conditions but OER catalysts for alkaline conditions owing to their thermodynamic convenience, potentially resulting in incompatible integration of the two types of catalysts and thus inferior overall performance...
March 14, 2018: Accounts of Chemical Research
Oriana Brea, Alberto Luna, Cristina Díaz, Ines Corral Perez
H₂ has been proposed as a long-term non-fossil fuel to be used in a future ideal carbon neutral energetic economy. However, its low volumetric energy density hinders its storage and transportation. MOFs represent very promising materials for this purpose, due to their very extended surface areas. Azolates and, in particular tetrazolates, are together with carboxylate functionalities very common organic linkers connecting metallic secondary building units in MOFs. This study addresses from a theoretical perspective the H₂ adsorptive properties of tetrazolate linkers at molecular level, following a size progressive approach...
March 14, 2018: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
Ralph J M Temmink, Sarah F Harpenslager, Alfons J P Smolders, Gijs van Dijk, Roy C J H Peters, Leon P M Lamers, Monique M L van Kempen
Azolla spp., a water fern often used for phytoremediation, is a strong phosphorus (P) accumulator due to its high growth rate and N2 fixing symbionts (diazotrophs). It is known that plant growth is stimulated by P, but the nature of the interactive response of both symbionts along a P gradient, and related changes in growth-limiting factors, are unclear. We determined growth, and N and P sequestration rates of Azolla filiculoides in N-free water at different P concentrations. The growth response appeared to be biphasic and highest at levels ≥10 P µmol l-1 ...
March 13, 2018: Scientific Reports
Chiara Trevisan, Brecht Devleesschauwer, Nicolas Praet, Alberto Pondja, Yunus Amade Assane, Pierre Dorny, Stig Milan Thamsborg, Pascal Magnussen, Maria Vang Johansen
BACKGROUND: The zoonotic parasite Taenia solium is endemic in Angónia district, Tete province, Mozambique, though the burden of the disease complex is unknown. METHODS: As part of two cross-sectional studies on human and porcine cysticercosis in the area, unique epidemiological and cost data were collected in Angónia district, Mozambique in 2007. These data provided the basis for the assessment of the societal cost of T. solium in the district, which estimates the impact of the disease on human and pig populations and includes both health and economic approaches in the analysis...
March 13, 2018: BMC Infectious Diseases
Qiyi Yao, Lingkai Kong, Mengdan Wang, Yang Yuan, Ruizhuo Sun, Yanzhong Li
A novel ring expansion reaction of indene-1,3-dione with alkynyl ketones under transition-metal-free conditions has been developed. This process offers an efficient and direct way to synthesize benzoannulated seven-membered rings or fused-ring compounds through C-C σ-bond activation. Notable features of the procedure include easily accessible starting materials, good functional group tolerance, and high atom economy.
March 13, 2018: Organic Letters
Ralph Freund, Ulrich Lächelt, Tobias Gruber, Bastian Rühle, Stefan Wuttke
Green chemistry, in particular, the principle of atom economy, has defined new criteria for the efficient and sustainable production of synthetic compounds. In complex nanomaterials, the number of embedded functional entities and the energy expenditure of the assembly process represent additional compound-associated parameters that can be evaluated from an economic viewpoint. In this Perspective, we extend the principle of atom economy to the study and characterization of multifunctionality in nanocarriers, which we define as "multifunctional efficiency"...
March 13, 2018: ACS Nano
Rakesh Kumar Maurya, Mohit Raj Saxena, Piyush Rai, Aashish Bhardwaj
Currently, diesel engines are more preferred over gasoline engines due to their higher torque output and fuel economy. However, diesel engines confront major challenge of meeting the future stringent emission norms (especially soot particle emissions) while maintaining the same fuel economy. In this study, nanosize range soot particle emission characteristics of a stationary (non-road) diesel engine have been experimentally investigated. Experiments are conducted at a constant speed of 1500 rpm for three compression ratios and nozzle opening pressures at different engine loads...
March 12, 2018: Environmental Science and Pollution Research International
April Sutton
I investigate how the educational demands of local labor markets shape high school course offerings and student course taking. Using the Education Longitudinal Study of 2002 linked to the U.S. Census 2000, I focus on local economic variation in the share of jobs that do not demand a bachelor's degree. I find that schools in local labor markets with higher concentrations of subbaccalaureate jobs devote a larger share of their course offerings to career and technical education (CTE) courses and a smaller share to advanced college-preparatory courses compared to schools in labor markets with lower concentrations of subbaccalaureate jobs, even net of school resources...
April 2017: Sociology of Education
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