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https://www.readbyqxmd.com/read/28735455/examining-the-role-of-income-inequality-and-neighborhood-walkability-on-obesity-and-physical-activity-among-low-income-hispanic-adults
#1
Samuel D Towne, Michael L Lopez, Yajuan Li, Matthew Lee Smith, Judith L Warren, Alexandra E Evans, Marcia G Ory
Obesity is a major public health issue affecting rising medical costs and contributing to morbidity and premature mortality. We aimed to identify factors that may play a role in obesity and physical activity at the individual and environmental/neighborhood levels. We analyzed data from an adult sample who were parents of students enrolled in a school-based health and wellness program. The sample was restricted to those who were Hispanic and whose children were on free/reduced lunch (n = 377). Dependent variables: body mass index (BMI); neighborhood walkability...
July 22, 2017: Journal of Immigrant and Minority Health
https://www.readbyqxmd.com/read/28735389/the-fundamental-role-of-reactive-oxygen-species-in-plant-stress-response
#2
Michael Liebthal, Karl-Josef Dietz
Chemical, physical, and biotic factors continuously vary in the natural environment. Such parameters are considered as stressors if the magnitude of their change exceeds the current acclimation norm of the plant. Activation of genetic programs allows for conditional expansion of the acclimation norm and depends on specific sensing mechanisms, intracellular communication, and regulation. The redox and reactive oxygen species (ROS) network plays a fundamental role in directing the acclimation response. These highly reactive compounds like H2O2 are generated and scavenged under normal conditions and participate in realizing a basal acclimation level...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28735316/biochar-rhizosphere-interactions-a-review
#3
Sławomir Głuszek, Lidia Sas Paszt, Beata Sumorok, Ryszard Kozera
Biochar is a solid material of biological origin obtained from the biomass carbonization, designed as a mean to reduce greenhouse gases emission and carbon sequestration in soils for a long time. Biochar has a wide spectrum of practical utilization and is applied as a promising soil improver or fertilizer in agriculture, or as a medium for soil or water remediation. Preparations of biochar increase plant growth and yielding when applied into soil and also improve plant growth conditions, mainly bio, physical and chemical properties of soil...
July 6, 2017: Polish Journal of Microbiology
https://www.readbyqxmd.com/read/28735296/resumption-of-physical-activity-within-7-days-of-a-concussion-was-associated-with-lower-rates-of-persistent-postconcussive-symptoms-ppcs
#4
Anand Nitin Kanani, Stuart Hartshorn
No abstract text is available yet for this article.
July 22, 2017: Archives of Disease in Childhood. Education and Practice Edition
https://www.readbyqxmd.com/read/28735233/a-model-system-to-mimic-environmentally-active-surface-film-roughness-and-hydrophobicity
#5
Jacob S Grant, Scott K Shaw
This work presents the development and initial assessment of a laboratory platform to allow quantitative studies on model urban films. The platform consists of stearic acid and eicosane mixtures that are solution deposited from hexanes onto smooth, solid substrates. We show that this model has distinctive capabilities to better mimic a naturally occurring film's morphology and hydrophobicity, two important parameters that have not previously been incorporated into model film systems. The physical and chemical properties of the model films are assessed using a variety of analytical instruments...
July 14, 2017: Chemosphere
https://www.readbyqxmd.com/read/28735156/adaptive-periodic-paralysis-allows-weaning-deep-sedation-overcoming-the-drowning-syndrome-in-ecmo-patients-bridged-for-lung-transplantation-a-case-series
#6
Irina Timofte, Michael Terrin, Erik Barr, June Kim, Joseph Rinaldi, Nicholas Ladikos, Jay Menaker, Ali Tabatabai, Zachary Kon, Bartley Griffith, Richard Pierson, Si Pham, Aldo Iacono, Daniel Herr
PURPOSE: Sedation in extracorporeal membrane oxygenation (ECMO) is challenging. Patients require deep sedation because of extremely high respiratory rates and increased work of breathing ("Drowning Syndrome") resulting in altered intra-thoracic pressure and reduced pump flow associated with hemodynamic compromise and decreased oxygenation. However, deep sedation impedes essential active rehabilitation with physical therapy. METHODS: We reviewed data on 3 ECMO patients for whom we used a novel approach to replace continuous drips with periodic sedation/paralysis...
July 17, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28735026/regulated-viral-bdnf-delivery-in-combination-with-schwann-cells-promotes-axonal-regeneration-through-capillary-alginate-hydrogels-after-spinal-cord-injury
#7
Shengwen Liu, Beatrice Sandner, Thomas Schackel, LaShae Nicholson, Abdelwahed Chtarto, Liliane Tenenbaum, Radhika Puttagunta, Rainer Müller, Norbert Weidner, Armin Blesch
Grafting of cell-seeded alginate capillary hydrogels into a spinal cord lesion site provides an axonal bridge while physically directing regenerating axonal growth in a linear pattern. However, without an additional growth stimulus, bridging axons fail to extend into the distal host spinal cord. Here we examined whether a combinatory strategy would support regeneration of descending axons across a cervical (C5) lateral hemisection lesion in the rat spinal cord. Following spinal cord transections, Schwann cell (SC)-seeded alginate hydrogels were grafted to the lesion site and AAV5 expressing brain-derived neurotrophic factor (BDNF) under control of a tetracycline-regulated promoter was injected caudally...
July 19, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28735002/immobilization-of-%C3%AE-galactosidase-on-surface-modified-cobalt-multiwalled-carbon-nanotube-nanocomposite-improves-enzyme-stability-and-resistance-to-inhibitor
#8
Maryam Khan, Qayyum Husain, Rani Bushra
The present study aimed to work out a high yield procedure for immobilization of Aspergillus oryzae β-galactosidase on polyaniline cobalt multiwalled carbon nanotubes nanocomposite (PANI/Co/MWCNTNC) by physical adsorption and covalent attachment via glutaraldehyde. The binding was confirmed by scanning and transmission electron microscopy along with Fourier transform-infrared spectroscopy. The immobilization yields obtained for adsorbed and cross-linked enzymes were 93% and 97%, respectively. The covalently immobilized enzyme was remarkably more stable at extremes of pH and temperature compared to native and adsorbed enzymes...
July 19, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28734930/bidirectional-allosteric-interactions-between-cannabinoid-receptor-1-cb1-and-dopamine-receptor-2-long-d2l-heterotetramers
#9
Amina M Bagher, Robert B Laprairie, J Thomas Toguri, Melanie E M Kelly, Eileen M Denovan-Wright
Type 1 cannabinoid (CB1) and dopamine 2 long form (D2L) receptors can physically interact to form heteromers that display unique pharmacology in vitro compared to homomeric complexes. Co-expression of CB1 and D2L and co-application of CB1 and D2 agonists increases cAMP levels while administration of either agonist alone decreases cAMP levels. To understand the observed co-agonist response, our first goal of the current study was to define the stoichiometry of CB1/D2L/Gα protein complexes. Using bioluminescence resonance energy transfer 2 (BRET(2)), we confirmed that, CB1 homodimers, D2L homodimers, and CB1/D2L heteromers are formed...
July 19, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28734819/the-prevalence-of-chronic-conditions-and-poor-health-among-people-with-and-without-vision-impairment-aged-%C3%A2-65-years-2010-2014
#10
John E Crews, Chiu-Fang Chou, Swathi Sekar, Jinan B Saaddine
PURPOSE: To examine the prevalence of 13 chronic conditions and fair/poor health among people aged ≥65 years in the U.S. with and without vision impairment. DESIGN: Cross-sectional study from the 2010-2014 National Health Interview Survey METHODS: We examined hypertension, heart disease, high cholesterol, stroke, arthritis, asthma, chronic obstructive pulmonary disease, cancer, weak/failing kidneys, diabetes, hepatitis, depression, and hearing impairment. We used logistic regression to show the association between vision impairment and chronic conditions and the association between vision impairment and poor health for those with chronic conditions...
July 19, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28734718/shoulder-activity-level-and-progression-of-degenerative-cuff-disease
#11
Jay D Keener, Nathan W Skelley, Georgia Stobbs-Cucchi, Karen Steger-May, Aaron M Chamberlain, Alex W Aleem, Robert H Brophy
BACKGROUND: This study prospectively examined the relationship of direct and indirect measures of shoulder activity with the risks of tear progression and pain development in subjects with an asymptomatic degenerative rotator cuff tear. METHODS: A cohort of asymptomatic degenerative rotator cuff tears was prospectively monitored annually, documenting tear size progression with ultrasound imaging and potential shoulder pain development. Shoulder activity level, self-reported occupational and physical demand level, and hand dominance were compared with risks of tear enlargement and future pain development...
July 19, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28734700/predicting-muscle-forces-during-the-propulsion-phase-of-single-leg-triple-hop-test
#12
Felipe Costa Alvim, Paulo Roberto Garcia Lucareli, Luciano Luporini Menegaldo
Functional biomechanical tests allow the assessment of musculoskeletal system impairments in a simple way. Muscle force synergies associated with movement can provide additional information for diagnosis. However, such forces cannot be directly measured noninvasively. This study aims to estimate muscle activations and forces exerted during the preparation phase of the single leg triple hop test. Two different approaches were tested: static optimization (SO) and computed muscle control (CMC). As an indirect validation, model-estimated muscle activations were compared with surface electromyography (EMG) of selected hip and thigh muscles...
July 15, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28734612/primary-total-knee-arthroplasty-how-does-residual-patellar-thickness-affect-patient-oriented-outcomes
#13
Jose C Alcerro, Mark D Rossi, Carlos J Lavernia
BACKGROUND: Maintenance of the native patellar thickness has been deemed important for proper clinical outcomes after total knee arthroplasty (TKA). Our objective was to study the effects of the change in patellar thickness on patient-perceived outcomes (PPOs) after TKA. We hypothesized that reestablishing native patellar thickness after TKA results in better PPOs. METHODS: 819 consecutive patients undergoing primary TKA were studied. Patients were classified according to their postoperative patellar thickness into: (1) less than native patella thickness; (2) equal to native patella thickness; and (3) greater than native patella thickness...
July 5, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28734576/predictive-validity-analysis-of-six-reference-equations-for-the-6-minute-walk-test-in-healthy-brazilian-men-a-cross-sectional-study
#14
Alexandher Negreiros, Rosimeire Simprini Padula, Rosane Andrea Bretas Bernardes, Mônica Vasconcelos de Moraes, Raquel Simoni Pires, Luciana Dias Chiavegato
BACKGROUND: The six-minute walk test (6MWT) is an important tool for evaluating functional capacity and exercise tolerance. The reference equations for the 6MWT in healthy subjects were established on the basis of American and European populations, but reference equations have been proposed with different variables for the Brazilian population. OBJECTIVE: To analyze the predictive validity of six reference equations for the six-minute walking distance (6MWD) in healthy adult men...
July 4, 2017: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/28734526/development-and-clinical-application-of-a-computer-aided-real-time-feedback-system-for-detecting-in-bed-physical-activities
#15
Liang-Hsuan Lu, Shang-Lin Chiang, Shun-Hwa Wei, Chueh-Ho Lin, Wen-Hsu Sung
BACKGROUND AND OBJECTIVE: Being bedridden long-term can cause deterioration in patients' physiological function and performance, limiting daily activities and increasing the incidence of falls and other accidental injuries. Little research has been carried out in designing effective detecting systems to monitor the posture and status of bedridden patients and to provide accurate real-time feedback on posture. The purposes of this research were to develop a computer-aided system for real-time detection of physical activities in bed and to validate the system's validity and test-retest reliability in determining eight postures: motion leftward/rightward, turning over leftward/rightward, getting up leftward/rightward, and getting off the bed leftward/rightward...
August 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28734461/risk-factors-for-mortality-among-individuals-with-peripheral-arterial-disease
#16
Stephen M Amrock, Cherrie Z Abraham, Enjae Jung, Pamela B Morris, Michael D Shapiro
Morbidity and mortality from peripheral arterial disease (PAD) continues to increase. Traditional cardiovascular risk factors are implicated in the development of PAD, yet the extent to which those risk factors correlate with mortality in such patients remains insufficiently assessed. Using data from the 1999 to 2004 National Health and Nutrition Examination Survey, Cox proportional hazards models were used to examine the association of cardiovascular risk factors and all-cause and cardiovascular mortality...
June 15, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28734170/web-based-physical-activity-interventions-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#17
REVIEW
Leila Jahangiry, Mahdieh Abbasalizad Farhangi, Sakineh Shab-Bidar, Fatemeh Rezaei, T Pashaei
OBJECTIVES: It was estimated that approximately 60% of the world's population is classified as inactive or insufficiently active. This meta-analysis investigated the effect of web-based interventions on different types of physical activity (PA) measurements in general population and potential moderating variables. STUDY DESIGN: PubMed, CINAHL, EBSCOhost, PsycINFO, Scopus, Ovid, and ScienceDirect literature searches were conducted to identify studies investigating the effect of web-based interventions on PA...
July 19, 2017: Public Health
https://www.readbyqxmd.com/read/28734026/falling-into-a-routine-from-habits-to-situated-practices
#18
Simon Cohn, Rebecca Lynch
In line with the concept of 'nudging' people to change their behaviour, there has been increased attention on habit as a focus for psychologically-based health interventions. It is hoped that behaviours initiated by interventions not only become so regular that they are normalised into people's everyday lives, but that through repetition they may eventually become fixed and habitual. In this paper we draw on people's accounts of participating in a trial designed to encourage greater physical activity, and attend to the ways they describe their engagement with interventions within wider narratives of their everyday lives...
July 21, 2017: Sociology of Health & Illness
https://www.readbyqxmd.com/read/28733773/the-influence-of-black-identity-on-wellbeing-and-health-behaviors
#19
Fiona B Lewis, Marie-Claire Boutrin, Lisa Dalrymple, Lorna H McNeill
BACKGROUND: The aim of this study was to investigate the influence of Black identity on wellbeing and health behaviors. METHODS: Data from the third year (wave) of a longitudinal cohort study (N = 1316) from a large, majority Black, Protestant church of 16,000 members located in Houston, Texas, were used to conduct secondary data analyses. Univariate analyses were used to obtain participants' sociodemographic and health characteristics. ANCOVA and linear regression analyses and Bonferroni adjustments were used to examine the influence of the centrality, public and private regard aspects of Black identity as measured by the Multidimensional Inventory of Black Identity subscales on wellbeing (CES-D scores and self-reported general health) and health behaviors (diet and physical activity levels)...
July 21, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28733759/management-of-gait-changes-and-fall-risk-in-mci-and-dementia
#20
REVIEW
Gilles Allali, Joe Verghese
Gait disorders and falls are very prevalent in aging, especially in older adults with cognitive impairment: older adults with dementia are 2-3 times more likely to fall than their non-demented counterparts. The management of gait disorders and falls in older adults with mild cognitive impairment (MCI) or dementia begins by their identification with the use of specific screening tools, such as measuring gait speed, use of dual-task gait tests, or diagnosing motoric cognitive risk syndrome, a newly described pre-dementia syndrome...
September 2017: Current Treatment Options in Neurology
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