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https://www.readbyqxmd.com/read/29471468/working-conditions-and-stress-in-the-english-education-system
#1
J M Ravalier, J Walsh
Background: The UK education sector has among the highest level of stress sickness absence of all occupations. However, investigations of psychosocial working conditions which contribute to stress, including behaviour of students and parents, has not been conducted. Aims: To investigate the psychosocial working conditions and prevalence of negative parental and student behaviour in a large sample of school teachers and college lecturers based in England. In addition, to assess the influence of working conditions, student behaviour and parental behaviour on perceived stress...
February 17, 2018: Occupational Medicine
https://www.readbyqxmd.com/read/29471382/gendered-safety-and-health-risks-in-the-construction-trades
#2
Hannah M Curtis, Hendrika Meischke, Bert Stover, Nancy J Simcox, Noah S Seixas
Objectives: Despite women's increased representation in the overall workforce, construction remains a male-dominated industry. Prior studies have noted that the hazardous workplace environment combined with a culture that can be discriminatory and openly hostile can threaten women workers' health and safety. However, little information exists about the current physical and psychosocial hazards at work affecting tradeswomen. Methods: We examined differences in workplace exposure between women and men, and the association of these exposures with self-reported stress and work injury, in order to highlight how gendered conditions of work negatively affect tradeswomen's health...
February 17, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29471379/do-women-and-men-have-the-same-patterns-of-multiple-occupational-carcinogenic-exposures-results-from-a-cohort-of-cancer-patients
#3
Mélanie Bertin, Annie Thébaud-Mony, Emilie Counil
Complex exposure situations are frequent at the workplace, but few studies have characterized multiple occupational carcinogenic exposures (MOCE) and their gendered differences across jobs' characteristics. We assessed MOCE separately in male and female jobs and identified patterns of MOCE at job level. Participants (834 men and 183 women) were cancer patients recruited between March 2002 and December 2010 in the ongoing SCOP93 cohort study, Seine-Saint-Denis department, France. Job histories were collected through personal interviews, and carcinogenic exposures were assessed by a multidisciplinary expert committee using a list of 53 carcinogens...
February 17, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29471211/exogenous-nanosilica-improves-germination-and-growth-of-cucumber-by-maintaining-k-na-ratio-under-elevated-na-stress
#4
Abdullah Alsaeedi, Hassan El-Ramady, Tarek Alshaal, Mohamed El-Garawani, Nevien Elhawat, Awadh Al-Otaibi
The current work was aimed to elucidate the role of engineered nanosilica (SiNPs) particles to mitigate the damaging impacts of Na+ -derived salinity on cucumber (Cucumis sativus) Beit Alpha variety by conducting in vitro experiments applying various Na+ concentrations i.e. 0, 1000, 2000, 3000, 4000 and 5000 mg L-1 . By treating seeds and seedlings, respectively, of cucumber with SiNPs (0, 100, 200 and 300 ppm) and subsequent determination some germination and vegetative parameters as well as chemical analysis of seedlings, we verified that SiNPs succeeded to alleviate the detrimental effects of high Na+ salinity by increasing germination parameters and vegetative growth of cucumber seedlings...
February 9, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29470671/predicting-soil-water-content-at-33-kpa-by-pedotransfer-functions-in-stoniness-1-soils-in-northeast-venezuela
#5
M C Pineda, J Viloria, J A Martínez-Casasnovas, A Valera, D Lobo, L C Timm, L F Pires, D Gabriels
Soil water content is a key property in the study of water available for plants, infiltration, drainage, hydraulic conductivity, irrigation, plant water stress and solute movement. However, its measurement consumes time and, in the case of stony soils, the presence of stones difficult to determinate the water content. An alternative is the use of pedotransfer functions (PTFs), as models to predict these properties from readily available data. The present work shows a comparison of different widely used PTFs to estimate water content at-33 kPa (WR-33kPa ) in high stoniness soils...
February 22, 2018: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29470434/pharmacokinetics-and-scintigraphic-imaging-of-the-hypoxia-imaging-agent-123-i-iaza-in-healthy-adults-following-exercise-based-cardiac-stress-%C3%A2
#6
Daria Stypinski, Stephen A McQuarrie, Alexander J B McEwan, Leonard I Wiebe
The objective of this work is to evaluate the potential effect of cardiac stress exercise on the accumulation of [123 I]IAZA, a radiopharmaceutical used to image focal tissue hypoxia, in otherwise normal myocardium in healthy volunteers, and to determine the impact of exercise on [123 I]IAZA pharmacokinetics. The underlying goal is to establish a rational basis and a baseline for studies of focal myocardial hypoxia in cardiac patients using [123 I]IAZA. Three healthy male volunteers ran the 'Bruce' treadmill protocol, a clinically-accepted protocol designed to expose myocardial ischemia in patients...
February 22, 2018: Pharmaceutics
https://www.readbyqxmd.com/read/29470055/unique-molecular-regulation-of-higher-order-prefrontal-cortical-circuits-insights-into-the-neurobiology-of-schizophrenia
#7
Dibyadeep Datta, Amy F T Arnsten
Schizophrenia is associated with core deficits in cognitive abilities and impaired functioning of the newly evolved prefrontal association cortex (PFC). In particular, neuropathological studies of schizophrenia have found selective atrophy of the pyramidal cell microcircuits in deep layer III of the dorsolateral PFC (dlPFC), and compensatory weakening of related GABAergic interneurons. Studies in monkeys have shown that recurrent excitation in these layer III microcircuits generates the precisely patterned, persistent firing needed for working memory and abstract thought...
February 22, 2018: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/29469056/stress-induced-magnetic-domain-evolution-in-magnetoelectric-composites
#8
Harsh Trivedi, Vladimir Shvartsman, Marco S A Medeiros, Rob Pullar, Doru Lupascu
Local observation of the stress mediated magnetoelectric (ME) effect in composites has gained a great deal of interest over the last decades. However, there is an apparent lack of rigorous methods for a quantitative characterization of the ME effect at the local scale, especially in polycrystalline microstructures. In the present work, we address this issue by locally probing surface magnetic state of barium titante - hexagonal barium ferrite (BaTiO<sub>3</sub> - BaFe<sub>12</sub>O<sub>19</sub>) ceramic composites using Magnetic Force Microscopy (MFM)...
February 22, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29468884/borrowing-benefits-group-treatment-with-clinical-emotional-freedom-techniques-is-associated-with-simultaneous-reductions-in-posttraumatic-stress-disorder-anxiety-and-depression-symptoms
#9
Dawson Church, Dennis House
Clinical Emotional Freedom Techniques (EFT) is an evidence-based treatment for depression and anxiety. The current study sought to elucidate the relationship between posttraumatic stress disorder (PTSD), depression, and anxiety in a nonclinical population. The sample (N = 81) comprised participants at five 2-day EFT workshops. All groups used an EFT protocol called Borrowing Benefits, in which the group facilitator works with a single client while other participants self-apply EFT. Participants were assessed on 9 specific conditions as well as on the breadth (Positive Symptom Total [PST]) and depth (General Symptom Index [GSI]) of psychological distress...
January 2018: J Evid Based Integr Med
https://www.readbyqxmd.com/read/29467789/tracking-nitrogen-source-using-%C3%AE-15-n-reveals-human-and-agricultural-drivers-of-seagrass-degradation-across-the-british-isles
#10
Benjamin L Jones, Leanne C Cullen-Unsworth, Richard K F Unsworth
Excess nutrients shift the ecological balance of coastal ecosystems, and this eutrophication is an increasing problem across the globe. Nutrient levels may be routinely measured, but monitoring rarely attempts to determine the source of these nutrients, even though bio-indicators are available. Nitrogen stable isotope analysis in biota is one such bio-indicator, but across the British Isles, this is rarely used. In this study, we provide the first quantitative evidence of the anthropogenic drivers of reduced water quality surrounding seagrass meadows throughout the British Isles using the stable nitrogen isotope δ15 N...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29467695/returning-to-work-after-childbirth-in-europe-well-being-work-life-balance-and-the-interplay-of-supervisor-support
#11
Ana M Lucia-Casademunt, Antonia M García-Cabrera, Laura Padilla-Angulo, Deybbi Cuéllar-Molina
Parents returning to work after the arrival of a new son or daughter is an important question for understanding the trajectory of people's lives and professional careers amid current debates about gender equality and work-life balance (WLB). Interestingly, current research concludes that general WLB practices at the workplace may be necessary in the specific case of women returning to work after childbirth because of the particular maternal and infant factors involved. However, WLB practices as a flexible arrangement may work against women because they may be viewed as a lack of organizational commitment...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29466715/ovine-liver-proteome-assessing-mechanisms-of-seasonal-weight-loss-tolerance-between-merino-and-damara-sheep
#12
Blake Miller, Nathalie Selevsek, Jonas Grossman, Tanya Kilminster, Tim Scanlon, Matthew Daniels, Paolo Nanni, John Milton, Chris Oldham, Johan Greef, Aspinas Chapwanya, Don Bergfelt, André M de Almeida
The effect of feed restriction on the liver protein profiles of two different breeds of sheep was studied. We compared Merino with the Damara, breeds with respectively low and high tolerance to nutritional stress. Each breed was grouped into two nutritional treatments: restricted (12-14% loss of live weight) and control (maintenance). The trial lasted 42 days. Animals were sacrificed and liver samples subjected to label free shotgun proteomics. The resultant proteins had both their fold change and statistical significance in an unpaired t-test calculated to identify differential protein abundance...
February 18, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/29466693/acute-extracellular-matrix-inflammatory-and-mapk-response-to-lengthening-contractions-in-elderly-human-skeletal-muscle
#13
Jacob R Sorensen, Caitlin Skousen, Alex Holland, Kyle Williams, Robert D Hyldahl
To uncover potential factors that may be involved in the impaired regenerative capacity of aged skeletal muscle, we comprehensively assessed the molecular stress response following muscle damage in old and young individuals. 10 young (22.7 ± 2.25 yrs) and 8 physically active old (70.9 ± 7.5 yrs) subjects completed a bout of 300 lengthening contractions (LC), and muscle biopsies were taken pre-exercise and at 3, 24, and 72 h post-LC. Both age groups performed the same amount of work during LC, with the old group displaying a resistance to LC-induced fatigue during the exercise...
February 18, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29466067/a-narrative-analysis-examining-the-transition-to-practice-for-the-full-time-secondary-school-athletic-trainer
#14
Stephanie M Mazerolle, Jessica Kirby, Stacy E Walker
CONTEXT:   The transition to clinical practice is an important topic in athletic training as it is viewed as a stressful time that is accompanied by self-doubt. Mentorship and previous experience support the transition to practice, but little information is available on the organizational entry of the athletic trainer (AT) who is employed full time in the secondary school setting. OBJECTIVE:   To understand the experiences of newly credentialed ATs in full-time positions in the secondary school setting...
February 21, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29465446/current-practices-and-attitudes-regarding-use-of-inhaled-nitric-oxide-in-the-nicu-results-from-a-survey-of-members-of-the-national-association-of-neonatal-nurse-practitioners
#15
Allyson Kayton, Paula Timoney, Lyn Vargo, Jose A Perez
BACKGROUND: Excessive supplemental oxygen exposure in the neonatal intensive care unit (NICU) can be associated with oxygen-related toxicities, which can lead to negative clinical consequences. Use of inhaled nitric oxide (iNO) can be a successful strategy for avoiding hyperoxia in the NICU. iNO selectively produces pulmonary vasodilation and has been shown to improve oxygenation parameters across the spectrum of disease severity, from mild to very severe, in neonates with hypoxic respiratory failure associated with persistent pulmonary hypertension of the newborn...
February 20, 2018: Advances in Neonatal Care: Official Journal of the National Association of Neonatal Nurses
https://www.readbyqxmd.com/read/29465293/effects-of-physical-activity-program-on-weight-physical-fitness-occupational-stress-job-satisfaction-and-quality-of-life-of-overweight-employees-in-high-tech-industries-a-randomized-controlled-study
#16
Yun-Ya Fang, Chien-Yuan Huang, Mei-Chi Hsu
INTRODUCTION: The aim of this study was to examine the effectiveness of the physical activity (PA) program on weight control, physical fitness, occupational stress, job satisfaction, and quality of life of overweight and sedentary employees in high-tech industries. METHODS: Participants in the intervention group (n = 37) were instructed to carry out PA program on a moderate intensity for 60 min/session, 3 sessions/week for 12 weeks. Those in the control group (n = 38) received no PA program, were asked to continue their routine lifestyle...
February 21, 2018: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/29465287/the-exoribonuclease-xrn1-is-a-post-transcriptional-negative-regulator-of-autophagy
#17
Elizabeth Delorme-Axford, Emma Abernathy, Nicholas J Lennemann, Amélie Bernard, Aileen Ariosa, Carolyn B Coyne, Karla Kirkegaard, Daniel J Klionsky
Macroautophagy/autophagy is a conserved catabolic process that promotes survival during stress. Autophagic dysfunction is associated with pathologies such as cancer and neurodegenerative diseases. Thus, autophagy must be strictly modulated at multiple levels (transcriptional, post-transcriptional, translational and post-translational) to prevent deregulation. Relatively little is known about the post-transcriptional control of autophagy. Here we report that the exoribonuclease Xrn1/XRN1 functions as a negative autophagy factor in the yeast Saccharomyces cerevisiae and in mammalian cells...
February 21, 2018: Autophagy
https://www.readbyqxmd.com/read/29464988/social-support-in-the-workplace-for-physicians-in-specialization-training
#18
Leena Mikkola, Elina Suutala, Heli Parviainen
When becoming a specialist, learning-through-service plays a significant role. The workplace affords good opportunities for learning, but the service-learning period may also impose stress on phycisians in specialization training. In medical work, social support has proved to be a very important factor in managing stress. Social support may afford advantages also for learning and professional identity building. However, little was known about how social support is perceived by doctors in specialization training...
December 2018: Medical Education Online
https://www.readbyqxmd.com/read/29464835/perceived-utility-and-relevance-of-intern-wellbeing-sessions
#19
Susannah Ward, Sue Outram, Ben Heslop
BACKGROUND: We conducted a pilot project assessing the perceived utility and relevance of wellbeing sessions provided to interns at a large regional teaching hospital in Australia with the aim of promoting intern wellbeing and fostering a nurturing and supportive learning and work hospital culture. METHOD: Our intervention involved two separate 60 minute lectures covering wellbeing topics and skills, to approximately 50 interns within protected teaching time, along with emailed wellbeing resources...
February 21, 2018: Internal Medicine Journal
https://www.readbyqxmd.com/read/29463601/discovery-of-calcium-as-a-biofilm-promoting-signal-for-vibrio-fischeri-reveals-new-phenotypes-and-underlying-regulatory-complexity
#20
Alice H Tischler, Louise Lie, Cecilia M Thompson, Karen L Visick
Vibrio fischeri uses biofilm formation to promote symbiotic colonization of its squid host, Euprymna scolopes Control over biofilm formation is exerted at the level of transcription of the symbiosis polysaccharide ( syp ) locus by a complex set of two-component regulators. Biofilm formation can be induced by overproduction of the sensor kinase RscS, which requires the activities of the hybrid sensor kinase SypF and the response regulator SypG, and is negatively regulated by the sensor kinase BinK. Here, we identify calcium as a signal that promotes biofilm formation by biofilm-competent strains under conditions in which biofilms are not typically observed (growth with shaking)...
February 20, 2018: Journal of Bacteriology
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