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https://www.readbyqxmd.com/read/28647284/the-effects-of-high-intensity-interval-training-on-muscle-size-and-quality-in-overweight-and-obese-adults
#1
Malia N M Blue, Abbie E Smith-Ryan, Eric T Trexler, Katie R Hirsch
OBJECTIVES: Despite growing popularity of high intensity interval training (HIIT) for improving health and fitness, limited data exist identifying the effects of HIIT on muscle characteristics. The purpose of the current study was to investigate the effects of a 3-week HIIT intervention on muscle size and quality in overweight and obese men and women. DESIGN: Randomized controlled trial. METHODS: Forty-four overweight and obese men and women (mean±SD; age: 35...
June 8, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28646301/random-initialisation-of-the-spectral-variables-an-alternate-approach-for-initiating-multivariate-curve-resolution-alternating-least-square-mcr-als-analysis
#2
Keshav Kumar
Multivariate curve resolution alternating least square (MCR-ALS) analysis is the most commonly used curve resolution technique. The MCR-ALS model is fitted using the alternate least square (ALS) algorithm that needs initialisation of either contribution profiles or spectral profiles of each of the factor. The contribution profiles can be initialised using the evolve factor analysis; however, in principle, this approach requires that data must belong to the sequential process. The initialisation of the spectral profiles are usually carried out using the pure variable approach such as SIMPLISMA algorithm, this approach demands that each factor must have the pure variables in the data sets...
June 23, 2017: Journal of Fluorescence
https://www.readbyqxmd.com/read/28645891/health-app-use-among-individuals-with-symptoms-of-depression-and-anxiety-a-survey-study-with-thematic-coding
#3
Caryn Kseniya Rubanovich, David C Mohr, Stephen M Schueller
BACKGROUND: Researchers have largely turned to commercial app stores, randomized trials, and systematic reviews to make sense of the mHealth landscape. Few studies have approached understanding by collecting information from target end users. The end user perspective is critical as end user interest in and use of mHealth technologies will ultimately drive the efficacy of these tools. OBJECTIVE: The purpose of this study was to obtain information from end users of mHealth technologies to better understand the physical and mental health apps people use and for what purposes...
June 23, 2017: JMIR Mental Health
https://www.readbyqxmd.com/read/28644827/what-drives-cooperative-breeding
#4
Walter D Koenig
Cooperative breeding, in which more than a pair of conspecifics cooperate to raise young at a single nest or brood, is widespread among vertebrates but highly variable in its geographic distribution. Particularly vexing has been identifying the ecological correlates of this phenomenon, which has been suggested to be favored in populations inhabiting both relatively stable, productive environments and in populations living under highly variable and unpredictable conditions. Griesser et al. provide a novel approach to this problem, performing a phylogenetic analysis indicating that family living is an intermediate step between nonsocial and cooperative breeding birds...
June 23, 2017: PLoS Biology
https://www.readbyqxmd.com/read/28644243/role-of-breathing-conditions-during-exercise-testing-on-training-prescription-in-chronic-obstructive-pulmonary-disease
#5
Daniel Neunhäuserer, Eva Steidle-Kloc, Marco Bergamin, Gertraud Weiss, Andrea Ermolao, Bernd Lamprecht, Michael Studnicka, Josef Niebauer
This study investigated whether different breathing conditions during exercise testing will influence measures of exercise capacity commonly used for training prescription in chronic obstructive pulmonary disease. Twenty-seven patients with chronic obstructive pulmonary disease (forced expiratory volume in 1 sec = 45.6 [9.4]%) performed three maximal exercise tests within 8 days, but at least 48 hrs apart. Subjects were thereby breathing either room air through a tightly fitting face mask like during any cardiopulmonary exercise test (MASK), room air without mask (No-MASK), or 10 l/min of oxygen via nasal cannula (No-MASK + O2)...
June 21, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28644150/rapid-fluorescence-lifetime-estimation-with-modified-phasor-approach-and-laguerre-deconvolution-a-comparative-study
#6
Farzad Fereidouni, Dimitris Gorpas, Dinglong Ma, Hussain Fatakdawala, Laura Marcu
Fluorescence lifetime imaging has been shown to serve as a valuable tool for interrogating and diagnosis of biological tissue at mesoscopic level. The ability to analyze fluorescence decay curves to extract lifetime values in real-time is crucial for clinical translation and applications such as tumor margin delineation or intracoronary imaging of atherosclerotic plaques. In this work, we compare the performance of two popular non-parametric (fit-free) methods for determining lifetime values from fluorescence decays in real-time -Phasor approach and Laguerre deconvolution...
June 23, 2017: Methods and Applications in Fluorescence
https://www.readbyqxmd.com/read/28643447/simultaneous-mapping-of-metabolites-and-individual-macromolecular-components-via-ultra-short-acquisition-delay-1-h-mrsi-in-the-brain-at-7t
#7
Michal Považan, Bernhard Strasser, Gilbert Hangel, Eva Heckova, Stephan Gruber, Siegfried Trattnig, Wolfgang Bogner
PURPOSE: Short-echo-time proton MR spectra at 7T feature nine to 10 distinct macromolecule (MM) resonances that overlap with the signals of metabolites. Typically, a metabolite-nulled in vivo MM spectrum is included in the quantification`s prior knowledge to provide unbiased metabolite quantification. However, this MM model may fail if MMs are pathologically altered. In addition, information about the individual MM peaks is lost. In this study, we aimed to create an improved MM model by parameterization of the in vivo MM spectrum into individual components, and to use this new model to quantify free induction decay MR spectroscopic imaging (FID-MRSI) data...
June 22, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28640829/an-exploration-of-collaborative-scientific-production-at-mit-through-spatial-organization-and-institutional-affiliation
#8
Matthew Claudel, Emanuele Massaro, Paolo Santi, Fiona Murray, Carlo Ratti
Academic research is increasingly cross-disciplinary and collaborative, between and within institutions. In this context, what is the role and relevance of an individual's spatial position on a campus? We examine the collaboration patterns of faculty at the Massachusetts Institute of Technology, through their academic output (papers and patents), and their organizational structures (institutional affiliation and spatial configuration) over a 10-year time span. An initial comparison of output types reveals: 1...
2017: PloS One
https://www.readbyqxmd.com/read/28640356/diameter-distribution-in-a-brazilian-tropical-dry-forest-domain-predictions-for-the-stand-and-species
#9
Robson B DE Lima, Lina Bufalino, Francisco T Alves, José A A DA Silva, Rinaldo L C Ferreira
Currently, there is a lack of studies on the correct utilization of continuous distributions for dry tropical forests. Therefore, this work aims to investigate the diameter structure of a brazilian tropical dry forest and to select suitable continuous distributions by means of statistic tools for the stand and the main species. Two subsets were randomly selected from 40 plots. Diameter at base height was obtained. The following functions were tested: log-normal; gamma; Weibull 2P and Burr. The best fits were selected by Akaike's information validation criterion...
April 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28638000/effectiveness-of-workplace-exercise-supervised-by-a-physical-therapist-among-nurses-conducting-shift-work-a-randomized-controlled-trial
#10
Ryutaro Matsugaki, Satoshi Kuhara, Satoru Saeki, Ying Jiang, Ryoma Michishita, Masanori Ohta, Hiroshi Yamato
OBJECTIVES: This study aimed to evaluate the effectiveness of supervised exercise among nurses conducting shift work for health promotion. METHODS: A total of 30 healthy female nurses conducting shift work participated in this study and they were randomly assigned to one of the following 2 groups: The supervised exercise group (SG; participants exercised under the supervision of a physical therapist (PT)) and the voluntary exercise group (VG; participants exercised without supervision)...
June 20, 2017: Journal of Occupational Health
https://www.readbyqxmd.com/read/28637942/clinical-characteristics-and-psychotropic-prescribing-patterns-associated-with-impaired-concentration-in-asians-with-depressive-disorders-the-reap-ad-study
#11
Seon-Cheol Park, Min-Soo Lee, Sang Woo Hahn, Shigenobu Kanba, Mian-Yoon Chong, Kok Yoon Chee, Pichet Udomratn, Adarsh Tripathi, Norman Sartorius, Naotaka Shinfuku, Andi J Tanra, Yong Chon Park
The Research on Asian Psychotropic Prescription Patterns for Antidepressants (REAP-AD) study aimed to survey and review antidepressant prescribing patterns in different clinical settings in Asian countries/areas. The REAP-AD study collected comprehensive data for psychiatric patients prescribed antidepressants in 10 Asian countries/areas during the period from March to June 2013. Depressive disorders have been an important issue closely associated with ill-health and disability in the realm of mental health...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28636825/a-new-mixed-all-atom-coarse-grained-model-application-to-melittin-aggregation-in-aqueous-solution
#12
Mee Y Shelley, Myvizhi Esai Selvan, Jun Zhao, Volodymyr Babin, Chenyi Liao, Jianing Li, John Clarence Shelley
We introduce a new mixed resolution, all-atom/coarse-grained approach (AACG) for modeling peptides in aqueous solution and apply it to characterizing the aggregation of melittin. All of the atoms in peptidic components are represented while a single site is used for each water molecule. With the full flexibility of the peptide retained, our AACG method achieves speedups by a factor of 3-4 for CPU time reduction and another factor of roughly 7 for diffusion. An Ewald treatment permits the inclusion of long-range electrostatic interactions...
June 21, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28636805/a-hybrid-phantom-system-for-patient-skin-and-organ-dosimetry-in-fluoroscopically-guided-interventions
#13
David Borrego, Daniel Siragusa, Stephen Balter, Wesley E Bolch
To investigate calibrations for improved estimates of skin dose and to develop software for computing absorbed organ doses for fluoroscopically guided interventions (FGIs) with the use of radiation dose structured reports (RDSR) and the UF/NCI family of hybrid computational phantoms METHODS AND MATERIALS: Institutional review board approval was obtained for this retrospective study in which ten RDSRs were selected for their high cumulative reference air kerma values. Skin doses were computed using the University of Florida's rapid in-clinic peak skin dose algorithm (or UF-RIPSA)...
June 21, 2017: Medical Physics
https://www.readbyqxmd.com/read/28636724/temporal-relationships-between-job-strain-and-low-back-pain
#14
Linda L Magnusson Hanson, Ida Eh Madsen, Reiner Rugulies, Paraskevi Peristera, Hugo Westerlund, Alexis Descatha
Objectives Psychosocial working conditions are suggested risk factors for low-back pain, but it is unclear whether these associations are causal. The present study examined whether there are lagged and bidirectional associations between job strain and low-back pain and further controlled for unmeasured time-invariant confounding. Methods The study was based on four biennial waves of data from the Swedish Longitudinal Occupational Survey of Health (SLOSH), including 3084 men and women. Cross-lagged analyses using structural equation modeling (SEM) were conducted on job strain, a combination of high job demands and low control, and any as well as low-back pain severity (how much any problems affected the respondents life)...
June 21, 2017: Scandinavian Journal of Work, Environment & Health
https://www.readbyqxmd.com/read/28636677/contextual-imitation-of-intransitive-body-actions-in-a-beluga-whale-delphinapterus-leucas-a-do-as-other-does-study
#15
José Z Abramson, Mª Victoria Hernández-Lloreda, José-Antonio Esteban, Fernando Colmenares, Francisco Aboitiz, Josep Call
Cetaceans are remarkable for exhibiting group-specific behavioral traditions or cultures in several behavioral domains (e.g., calls, behavioral tactics), and the question of whether they can be acquired socially, for example through imitative processes, remains open. Here we used a "Do as other does" paradigm to experimentally study the ability of a beluga to imitate familiar intransitive (body-oriented) actions demonstrated by a conspecific. The participant was first trained to copy three familiar behaviors on command (training phase) and then was tested for her ability to generalize the learned "Do as the other does" command to a different set of three familiar behaviors (testing phase)...
2017: PloS One
https://www.readbyqxmd.com/read/28636647/hemodynamic-and-metabolic-characteristics-associated-with-development-of-a-right-ventricular-outflow-tract-pressure-gradient-during-upright-exercise
#16
Annelieke C M J van Riel, David M Systrom, Rudolf K F Oliveira, Michael J Landzberg, Barbara J M Mulder, Berto J Bouma, Bradley A Maron, Amil M Shah, Aaron B Waxman, Alexander R Opotowsky
BACKGROUND: We recently reported a novel observation that many patients with equal resting supine right ventricular(RV) and pulmonary artery(PA) systolic pressures develop an RV outflow tract(RVOT) pressure gradient during upright exercise. The current work details the characteristics of patients who develop such an RVOT gradient. METHODS: We studied 294 patients (59.7±15.5 years-old, 49% male) referred for clinical invasive cardiopulmonary exercise testing, who did not have a resting RVOT pressure gradient defined by the simultaneously measured peak-to-peak difference between RV and PA systolic pressures...
2017: PloS One
https://www.readbyqxmd.com/read/28636116/curriculum-content-and-assessment-of-pre-clinical-dental-skills-a-survey-of-undergraduate-dental-education-in-europe
#17
J Field, S Stone, C Orsini, A Hussain, S Vital, A Crothers, D Walmsley
INTRODUCTION: Since 1981, the qualifications for various healthcare professionals across the European Union have enjoyed mutual recognition in accordance with the EU Directive 81/1057/EEC. Whilst the directive includes dental practitioners, it is recognised that significant variation exists in curriculum structure, content and scope of practice across institutions. This article aimed to explore pan-European practice in relation to curriculum content, teaching and learning strategies and assessment of pre-clinical dental skills...
June 21, 2017: European Journal of Dental Education: Official Journal of the Association for Dental Education in Europe
https://www.readbyqxmd.com/read/28635967/social-behaviour-involving-drug-resistance-the-role-of-initial-density-initial-frequency-and-population-structure-in-shaping-the-effect-of-antibiotic-resistance-as-a-public-good
#18
I L Domingues, J A Gama, L M Carvalho, F Dionisio
Bacteria sometimes cooperate with co-inhabiting cells. Pathogenic bacteria, for example, often produce and excrete virulence factors, eventually benefitting both producer and non-producer cells. The role of social interactions involving antibiotic resistance, however, has been more elusive. Enzymes that inactivate β-lactam antibiotics such as ampicillin or penicillin (β-lactamases) are good candidates as public goods. Nonetheless, it has been claimed that bacteria harbouring plasmids of natural origin coding for β-lactamase almost do not protect sensitive bacteria...
June 21, 2017: Heredity
https://www.readbyqxmd.com/read/28635543/anxiety-modulates-the-relation-between-attention-deficit-hyperactivity-disorder-severity-and-working-memory-related-brain-activity
#19
Dennis van der Meer, Pieter J Hoekstra, Daan van Rooij, Anderson M Winkler, Hanneke van Ewijk, Dirk J Heslenfeld, Jaap Oosterlaan, Stephen V Faraone, Barbara Franke, Jan K Buitelaar, Catharina A Hartman
OBJECTIVES: Individuals with attention-deficit/hyperactivity disorder (ADHD) often have heightened levels of anxiety, which has been associated with worse performance on working memory tasks. Knowledge of the neural pathways underlying the combined presence of ADHD and anxiety may aid in a better understanding of their co-occurrence. Therefore, we investigated how anxiety modulates the effect of ADHD severity on neural activity during a visuospatial working memory (VSWM) task. METHODS: Neuroimaging data were available for 371 adolescents and young adults participating in the multicentre cohort study NeuroIMAGE (average age 17...
March 1, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28635282/fining-of-red-wine-monitored-by-multiple-light-scattering
#20
Giovanna Ferrentino, Mohsen Ramezani, Ksenia Morozova, Daniela Hafner, Ulrich Pedri, Konrad Pixner, Matteo Scampicchio
This work describes a new approach based on multiple light scattering to study red wine clarification processes. The whole spectral signal (1933 backscattering points along the length of each sample vial) were fitted by a multivariate kinetic model that was built with a three-step mechanism, implying: 1) adsorption of wine colloids to fining agents; 2) aggregation into larger particles; 3) sedimentation. Each step is characterized by a reaction rate constant. According to the first reaction, the results showed that gelatin was the most efficient fining agent, concerning the main objective, which was the clarification of the wine, and consequently the increase in its limpidity...
June 21, 2017: Journal of Agricultural and Food Chemistry
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