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https://www.readbyqxmd.com/read/28340491/comparison-of-skillful-vs-less-skilled-young-soccer-players-on-anthropometric-maturation-physical-fitness-and-time-of-practice
#1
Márcio André de Gouvêa, Edilson Serpeloni Cyrino, João Valente-Dos-Santos, Alex Silva Ribeiro, Danilo Rodrigues Pereira da Silva, David Ohara, Manuel J Coelho-E-Silva, Enio Ricardo Vaz Ronque
This study compared maturation, body composition and physical fitness between youth soccer athletes with different technical skills levels. Sixty-two young athletes (11-17 years) were categorized dichotomously in more skilled (n=31) and less skilled (n=31) groups based on 3 specific technical tests (Dribbling Speed Test [DST], Shuttle Dribble Test [SDT] and Slalom Dribble Test [SLDT]). Chronological and skeletal age, time of practice, body composition and 4 physical fitness tests were performed for comparisons...
March 24, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28340444/comparative-effectiveness-of-dual-action-versus-single-action-antidepressants-for-the-treatment-of-depression-in-people-living-with-hiv-aids
#2
Jon C Mills, Jeffrey S Harman, Robert L Cook, Nicole M Marlow, Christopher A Harle, R Paul Duncan, Angela M Bengtson, Brian W Pence
BACKGROUND: Depression is the most common psychiatric comorbidity among people living with HIV/AIDS (PLWHA). Little is known about the comparative effectiveness between different types of antidepressants used to treat depression in this population. We compared the effectiveness of dual-action and single-action antidepressants in PLWHA for achieving remission from depression. METHODS: We used data from the Centers for AIDS Research Network of Integrated Clinic Systems to identify 1175 new user dual-action or single-action antidepressant treatment episodes occurring from 2005 to 2014 for PLWHA diagnosed with depression...
March 19, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28340418/enantioselective-reductive-transformation-of-climbazole-a-concept-towards-quantitative-biodegradation-assessment-in-anaerobic-biological-treatment-processes
#3
Monica Brienza, Serge Chiron
An efficient chiral method-based using liquid chromatography-high resolution-mass spectrometry analytical method has been validated for the determination of climbazole (CBZ) enantiomers in wastewater and sludge with quantification limits below the 1 ng/L and 2 ng/g range, respectively. On the basis of this newly developed analytical method, the stereochemistry of CBZ was investigated over time in sludge biotic and sterile batch experiments under anoxic dark and light conditions and during wastewater biological treatment by subsurface flow constructed wetlands...
March 21, 2017: Water Research
https://www.readbyqxmd.com/read/28340403/micro-and-macrovascular-function-in-children-with-sickle-cell-anaemia-and-sickle-cell-haemoglobin-c-disease
#4
Berenike Möckesch, Keyne Charlot, Stéphane Jumet, Marc Romana, Lydia Divialle-Doumdo, Marie-Dominique Hardy-Dessources, Marie Petras, Benoît Tressieres, Vanessa Tarer, Olivier Hue, Maryse Etienne-Julan, Philippe Connes, Sophie Antoine-Jonville
It is unclear whether vascular function is affected similarly in children with sickle cell anaemia (SS) and children with sickle haemoglobin C (SC) disease. Therefore, we compared micro and macrovascular functions in healthy (AA) children, children with SS and SC disease, and assessed their association with physical activity. Participants (24 SS, 22 SC and 16 AA), were compared in terms of 1) thermal hyperaemic response (finger pad warming to 42°C) measured by Laser Doppler techniques, 2) arterial stiffness determined by pulse wave velocity, 3) daily energy expenditure related to moderate and intense physical activities estimated by questionnaire and 4) fitness level, evaluated by the six-minute walk test...
February 4, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28340391/optimization-of-the-marinelli-beaker-dimensions-using-genetic-algorithm
#5
Seyed Mehrdad Zamzamian, Seyed Abolfazl Hosseini, Mohammad Samadfam
A computational code, based on the genetic algorithm and MCNPX version 2.6 code was developed and used to investigate the effects of some important parameters of HPGe detector (such as Al cap thickness, dead-layer thickness and Ge hole size) on optimum dimensions of marinelli beaker. In addition, the effects of detector material on optimal beaker dimensions were also investigated. Finally, the optimized beaker dimensions at various beaker volumes (300, 500, 700, 1000 and 1500 cm(3)) were determined for some conventional Ge detectors with different crystal sizes (16 sizes)...
March 21, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28340348/the-evolutionary-pathway-to-virulence-of-an-rna-virus
#6
Adi Stern, Ming Te Yeh, Tal Zinger, Matt Smith, Caroline Wright, Guy Ling, Rasmus Nielsen, Andrew Macadam, Raul Andino
Paralytic polio once afflicted almost half a million children each year. The attenuated oral polio vaccine (OPV) has enabled world-wide vaccination efforts, which resulted in nearly complete control of the disease. However, poliovirus eradication is hampered globally by epidemics of vaccine-derived polio. Here, we describe a combined theoretical and experimental strategy that describes the molecular events leading from OPV to virulent strains. We discover that similar evolutionary events occur in most epidemics...
March 23, 2017: Cell
https://www.readbyqxmd.com/read/28340339/targeted-apoptosis-of-senescent-cells-restores-tissue-homeostasis-in-response-to-chemotoxicity-and-aging
#7
Marjolein P Baar, Renata M C Brandt, Diana A Putavet, Julian D D Klein, Kasper W J Derks, Benjamin R M Bourgeois, Sarah Stryeck, Yvonne Rijksen, Hester van Willigenburg, Danny A Feijtel, Ingrid van der Pluijm, Jeroen Essers, Wiggert A van Cappellen, Wilfred F van IJcken, Adriaan B Houtsmuller, Joris Pothof, Ron W F de Bruin, Tobias Madl, Jan H J Hoeijmakers, Judith Campisi, Peter L J de Keizer
The accumulation of irreparable cellular damage restricts healthspan after acute stress or natural aging. Senescent cells are thought to impair tissue function, and their genetic clearance can delay features of aging. Identifying how senescent cells avoid apoptosis allows for the prospective design of anti-senescence compounds to address whether homeostasis can also be restored. Here, we identify FOXO4 as a pivot in senescent cell viability. We designed a FOXO4 peptide that perturbs the FOXO4 interaction with p53...
March 23, 2017: Cell
https://www.readbyqxmd.com/read/28340274/regularized-quantile-regression-applied-to-genome-enabled-prediction-of-quantitative-traits
#8
M Nascimento, F F E Silva, M D V de Resende, C D Cruz, A C C Nascimento, J M S Viana, C F Azevedo, L M A Barroso
Genomic selection (GS) is a variant of marker-assisted selection, in which genetic markers covering the whole genome predict individual genetic merits for breeding. GS increases the accuracy of breeding values (BV) prediction. Although a variety of statistical models have been proposed to estimate BV in GS, few methodologies have examined statistical challenges based on non-normal phenotypic distributions, e.g., skewed distributions. Traditional GS models estimate changes in the phenotype distribution mean, i...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28340272/reml-blup-and-sequential-path-analysis-in-estimating-genotypic-values-and-interrelationships-among-simple-maize-grain-yield-related-traits
#9
T Olivoto, M Nardino, I R Carvalho, D N Follmann, M Ferrari, V J Szareski, A J de Pelegrin, V Q de Souza
Methodologies using restricted maximum likelihood/best linear unbiased prediction (REML/BLUP) in combination with sequential path analysis in maize are still limited in the literature. Therefore, the aims of this study were: i) to use REML/BLUP-based procedures in order to estimate variance components, genetic parameters, and genotypic values of simple maize hybrids, and ii) to fit stepwise regressions considering genotypic values to form a path diagram with multi-order predictors and minimum multicollinearity that explains the relationships of cause and effect among grain yield-related traits...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28340270/genetic-progress-estimation-strategy-for-upright-common-bean-plants-using-recurrent-selection
#10
L A Pereira, A F B Abreu, I C Vieira Júnior, L P M Pires, M A P Ramalho
Common bean producers in Brazil tend to grow plants as upright as possible. Because the control of this trait involves a large number of genes, recurrent selection (RS) is the best approach for successful plant improvement. Because plant architecture (PA) is evaluated using scores and usually has high heritability, RS for PA is performed through visual selection in generation S0. The aim of the present study was to evaluate selection progress and investigate whether this progress varies with the number of selected progenies or the generation evaluated...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28340191/cardiac-health-and-fitness-of-colorado-male-female-firefighters
#11
K Li, T Lipsey, H J Leach, T L Nelson
Background: Cardiovascular disease (CVD) is documented as the leading cause of mortality in on-duty firefighters. Aims: To examine the prevalence of metabolic syndrome (MetS) components, cardiorespiratory fitness levels and the association between them in firefighters in Colorado, USA. Methods: This study included male and female Colorado firefighters. MetS was identified where three or more metabolic abnormalities were present, using Cholesterol Education Program/Adult Treatment Panel III guidelines...
March 16, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/28339906/interstitial-fibrosis-scored-on-whole-slide-digital-imaging-of-kidney-biopsies-is-a-predictor-of-outcome-in-proteinuric-glomerulopathies
#12
Laura H Mariani, Sebastian Martini, Laura Barisoni, Pietro A Canetta, Jonathan P Troost, Jeffrey B Hodgin, Matthew Palmer, Avi Z Rosenberg, Kevin V Lemley, Hui-Ping Chien, Jarcy Zee, Abigail Smith, Gerald B Appel, Howard Trachtman, Stephen M Hewitt, Matthias Kretzler, Serena M Bagnasco
Background.: Interstitial fibrosis (IF), tubular atrophy (TA) and interstitial inflammation (II) are known determinants of progression of renal disease. Standardized quantification of these features could add value to current classification of glomerulopathies. Methods.: We studied 315 participants in the Nephrotic Syndrome Study Network (NEPTUNE) study, including biopsy-proven minimal change disease (MCD = 98), focal segmental glomerulosclerosis (FSGS = 121), membranous nephropathy (MN = 59) and IgA nephropathy (IgAN = 37)...
February 27, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339786/modelling-original-antigenic-sin-in-dengue-viral-infection
#13
Ryan Nikin-Beers, Stanca M Ciupe
Cross-reactive T cell responses induced by a primary dengue virus infection may contribute to increased disease severity following heterologous infections with a different virus serotype in a phenomenon known as the original antigenic sin. In this study, we developed and analyzed in-host models of T cell responses to primary and secondary dengue virus infections that considered the effect of T cell cross-reactivity in disease enhancement. We fitted the models to published patient data and showed that the overall infected cell killing is similar in dengue heterologous infections, resulting in dengue fever and dengue hemorrhagic fever...
February 27, 2017: Mathematical Medicine and Biology: a Journal of the IMA
https://www.readbyqxmd.com/read/28339641/measuring-job-satisfaction-among-healthcare-staff-in-the-united-states-a-confirmatory-factor-analysis-of-the-satisfaction-of-employees-in-health-care-sehc-%C3%A2-survey
#14
Eva Chang, Julia Cohen, Benjamin Koethe, Kevin Smith, Anupa Bir
Objective: To validate the Satisfaction of Employees in Health Care (SEHC) survey with multidisciplinary, healthcare staff in the United States (U.S.). Design: A cross-sectional psychometric study using confirmatory factor analysis. The original three-factor model was tested and modified using half-samples. Models were assessed using goodness-of-fit measures. Scale reliability and validity were tested with Cronbach's α coefficient and correlation of total SEHC score with two global satisfaction items, respectively...
February 17, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/28339436/pain-related-limitations-in-daily-activities-following-thoracic-surgery-in-a-united-states-population
#15
Emine O Bayman, Richard Lennertz, Timothy J Brennan
BACKGROUND: Ringsted et al created a statistically validated questionnaire to assess pain-related limitations in daily activities following thoracic surgery and translated it to English. We utilized the questionnaire to assess the impact of pain impairing certain daily activities in a United States thoracic surgery population. OBJECTIVES: Examine if the questionnaire developed and translated to English by Ringsted et al to assess the effects of chronic pain after thoracic surgery on daily activities would be applicable in a sample of thoracic surgery patients in the United States...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28339394/global-and-regional-assessment-of-sustained-inflation-pressure-volume-curves-in-patients-with-acute-respiratory-distress-syndrome
#16
Tobias Becher, Philipp Rostalski, Matthias Kott, Andy Adler, Dirk Schadler, Norbert Weiler, Inez Frerichs
Static or quasi-static pressure-volume (P-V) curves can be used to determine the lung mechanical properties of patients suffering from acute respiratory distress syndrome (ARDS). According to the traditional interpretation, lung recruitment occurs mainly below the lower point of maximum curvature (LPMC) of the inflation P-V curve. Although some studies have questioned this assumption, setting of positive end-expiratory pressure 2 cmH2O above the LPMC was part of a "lung-protective" ventilation strategy successfully applied in several clinical trials...
March 24, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28339325/community-based-services-and-depression-from-person-environment-fit-perspective-focusing-on-functional-impairments-and-living-alone
#17
BoRin Kim, Sojung Park, B S Jennifer Bishop-Saucier, Msw Carrie Amorim
As communities encourage aging-in-place, community-based services for older adults are expanding. Guided by the Person-Environment Fit perspective, this study investigated the extent to which personal dimension factors (functional limitations, living alone) and environmental dimension factors (community-based services) influence depression among community-dwelling adults. The data came from the 2012 Health and Retirement Study, a nationally representative survey of individuals over 51 years old. Our sample was restricted to respondents who participated in the special questionnaire about community-based service utilization (N = 1,710)...
March 24, 2017: Journal of Gerontological Social Work
https://www.readbyqxmd.com/read/28339266/spin-wave-excitations-evidencing-the-kitaev-interaction-in-single-crystalline-%C3%AE-rucl_-3
#18
Kejing Ran, Jinghui Wang, Wei Wang, Zhao-Yang Dong, Xiao Ren, Song Bao, Shichao Li, Zhen Ma, Yuan Gan, Youtian Zhang, J T Park, Guochu Deng, S Danilkin, Shun-Li Yu, Jian-Xin Li, Jinsheng Wen
Kitaev interactions underlying a quantum spin liquid have long been sought, but experimental data from which their strengths can be determined directly, are still lacking. Here, by carrying out inelastic neutron scattering measurements on high-quality single crystals of α-RuCl_{3}, we observe spin-wave spectra with a gap of ∼2  meV around the M point of the two-dimensional Brillouin zone. We derive an effective-spin model in the strong-coupling limit based on energy bands obtained from first-principles calculations, and find that the anisotropic Kitaev interaction K term and the isotropic antiferromagnetic off-diagonal exchange interaction Γ term are significantly larger than the Heisenberg exchange coupling J term...
March 10, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28339221/open-systems-with-error-bounds-spin-boson-model-with-spectral-density-variations
#19
F Mascherpa, A Smirne, S F Huelga, M B Plenio
In the study of open quantum systems, one of the most common ways to describe environmental effects on the reduced dynamics is through the spectral density. However, in many models this object cannot be computed from first principles and needs to be inferred on phenomenological grounds or fitted to experimental data. Consequently, some uncertainty regarding its form and parameters is unavoidable; this in turn calls into question the accuracy of any theoretical predictions based on a given spectral density. Here, we focus on the spin-boson model as a prototypical open quantum system, find two error bounds on predicted expectation values in terms of the spectral density variation considered, and state a sufficient condition for the strongest one to apply...
March 10, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28339208/doubly-resonant-photonic-antenna-for-single-infrared-quantum-dot-imaging-at-telecommunication-wavelengths
#20
Zhihua Xie, Yannick Lefier, Miguel Angel Suarez, Mathieu Mivelle, Roland Salut, Jean-Marc Merolla, Thierry Grosjean
Colloidal quantum dots (CQDs) have drawn strong interest in the past for their high prospects in scientific, medical, and industrial applications. However, the full characterization of these quantum emitters is currently restricted to the visible wavelengths, and it remains a key challenge to optically probe single CQDs operating in the infrared spectral domain, which is targeted by a growing number of applications. Here, we report the first experimental detection and imaging at room temperature of single infrared CQDs operating at telecommunication wavelengths...
March 24, 2017: Nano Letters
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