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A Furuhama, T I Hayashi, N Tatarazako
We constructed models for acute to chronic estimation of the Daphnia magna reproductive toxicities of chemical substances from their Daphnia magna acute immobilization toxicities. The models combined the acute toxicities with structural and physicochemical descriptors. We used multiregression analysis and selected the descriptors for the models by means of a genetic algorithm. Of the best 100 models (as indicated by the lack of fit score), 90% included the following descriptors: acute toxicity (i.e. an activity parameter), distribution coefficient (log D) and structural indicator variables that indicate the presence of -NH2 attached to aromatic carbon and the presence of a chlorine atom...
October 21, 2016: SAR and QSAR in Environmental Research
Jafra D Thomas, J Mark Vanness, Bradley J Cardinal
The purpose of this study was to perform a construct validity assessment of Kendzierski's exercise self-schema theory questionnaire using objective measures of health-related physical fitness. This study tested the hypothesis that individuals with an exercise self-schema would possess significantly greater physical fitness than those who did not across three domains of health-related physical fitness: Body composition, cardiovascular fitness, and upper-body muscular endurance. Undergraduate student participants from one private university on the west coast of the United States completed informed consent forms and the exercise self-schema questionnaire within a classroom setting or at an on-campus outside tabling session...
2016: International Journal of Exercise Science
Janet D Morrison, Lori Mayer
PURPOSE: To identify and synthesize the research evidence concerning (1) the relationship between physical activity and cognitive performance in persons with multiple sclerosis (MS) and (2) to review the reported effects of physical activity interventions on neurocognitive performance conducted in this population. METHODS: Relevant peer-reviewed journal articles were identified by searching PubMed, PsychINFO, and SPORTDiscus through May 2016. Full-text articles meeting the inclusion criteria were evaluated for quality using tools developed by the National Institutes of Health...
October 20, 2016: Disability and Rehabilitation
Christine L Madliger, Oliver P Love
The application of physiological measures to conservation monitoring has been gaining momentum and, while a suite of physiological traits are available to ascertain disturbance and condition in wildlife populations, glucocorticoids (i.e., GCs; cortisol and corticosterone) are the most heavily employed. The interpretation of GC levels as sensitive indicators of population change necessitates that GCs and metrics of population persistence are linked. However, the relationship between GCs and fitness may be highly context-dependent, changing direction, or significance, depending on the GC measure, fitness metric, life history stage, or other intrinsic and extrinsic contexts considered...
July 27, 2016: Ecological Applications: a Publication of the Ecological Society of America
Maria R Hartono, Ariel Kushmaro, Robert S Marks, Xiaodong Chen
In this study, composite calcium-alginate/carbon nanotubes/TiO2 beads were prepared and tested for their potential in the removal of bisphenol A (BPA) from aqueous solutions. The removal traits were inspected using a fixed-bed sorption column. By varying parameters such as bed height (15-20 cm), flow rate (2.0-6.0 mL.min(-1)) and inlet BPA concentration (10-30 mg.L(-1)) we assessed the removal capacity of these composites. The highest sorption capacity of 5.46 mg.g(-1) was achieved at 10 mg.L(-1) BPA concentration, 2...
October 2016: Water Science and Technology: a Journal of the International Association on Water Pollution Research
Ickpyo Hong, Heather S Bonilha
The aim of this study was to provide a systematic review of psychometric studies of upper extremity (UE) outcome measures validated by Rasch analysis and assess the extent to which their measurement areas cover the domains of the International Classification of Functioning, Disability and Health model. A literature search from 1966 to 2014 was performed using PubMed, CINAHL, Scopus, PsycINFO, Ovid/MEDLINE, ERIC, and Cochrane library. Fourteen keywords indicating 'upper extremity', 'psychometric properties', and 'outcome measures' were used...
October 14, 2016: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
O P Geerse, K Wynia, M Kruijer, M J Schotsman, T J N Hiltermann, A J Berendsen
PURPOSE: Improved survival rates from cancer have increased the need to understand the health-related problems of cancer treatment. We aimed to develop and validate the "Cancer Survivor Core Set" representing the most relevant health-related problems in adult cancer survivors using the International Classification of Functioning, Disability, and Health (ICF). METHODS: First, a Delphi study was conducted to select ICF categories representing the most relevant health-related problems...
October 14, 2016: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
Kosei Nakajima, Lance K Heilbrun, Daryn Smith, Victor Hogan, Avraham Raz, Elisabeth Heath
The U.S. Preventive Services Task Force (USPSTF) has recommended against PSA-based screening for prostate cancer due to potential possibilities of false-results. Since no alternative test is available to replace it, we have initiated a trial with the purpose of establishing whether Galectin-3 (Gal-3) serum level and/or the patients' immune response to PSA and Gal-3 antigens could complement the PSA test as diagnostic tools for prostate cancer patients. A blind, prospective, single institution, pilot study was conducted...
October 12, 2016: Oncotarget
James J Malone, Ric Lovell, Matthew C Varley, Aaron J Coutts
Athlete tracking devices that include global positioning system (GPS) and micro electrical mechanical system (MEMS) components are now commonplace in sport research and practice. These devices provide large amounts of data that are used to inform decision-making on athlete training and performance. However, the data obtained from these devices are often provided without clear explanation of how these metrics are obtained. At present, there is no clear consensus regarding how these data should be handled and reported in a sport context...
October 13, 2016: International Journal of Sports Physiology and Performance
Carlos A Camillo, Christian R Osadnik, Hans van Remoortel, Chris Burtin, Wim Janssens, Thierry Troosters
The aim of this review was to identify the effectiveness of therapies added on to conventional exercise training to maximise exercise capacity in patients with chronic obstructive pulmonary disease (COPD). Electronic databases were searched, identifying trials comparing exercise training with exercise training plus "add-on" therapy. Outcomes included peak oxygen uptake (V'O2peak), work rate and incremental/endurance cycle and field walking tests. Individual trial effects on exercise capacity were extracted and collated into eight subgroups and pooled for meta-analysis...
January 2016: ERJ Open Research
Caroline Brard, Gwénaël Le Teuff, Marie-Cécile Le Deley, Lisa V Hampson
BACKGROUND: Bayesian statistics are an appealing alternative to the traditional frequentist approach to designing, analysing, and reporting of clinical trials, especially in rare diseases. Time-to-event endpoints are widely used in many medical fields. There are additional complexities to designing Bayesian survival trials which arise from the need to specify a model for the survival distribution. The objective of this article was to critically review the use and reporting of Bayesian methods in survival trials...
October 10, 2016: Clinical Trials: Journal of the Society for Clinical Trials
Jacob I Ayers, Benjamin McMahon, Sabrina Gill, Herman L Lelie, Susan Fromholt, Hilda Brown, Joan Selverstone Valentine, Julian P Whitelegge, David R Borchelt
A common property of Cu/Zn superoxide dismutase 1 (SOD1), harboring mutations associated with amyotrophic lateral sclerosis (ALS), is a high propensity to misfold and form abnormal aggregates. The aggregation of mutant SOD1 has been demonstrated in vitro, with purified proteins, in mouse models, in human tissues, and in cultured cell models. In vitro translation studies have determined that SOD1 with ALS mutations is slower to mature, and thus perhaps vulnerable to off-pathway folding that could generate aggregates...
October 11, 2016: Journal of Neurochemistry
Nicole A Sitkin, John E Pachankis
PURPOSE: Sexual and gender minorities (SGMs) in medicine experience unique stressors in training. However, little is known about SGM specialty choice. This study examined predictors of SGM specialty choice, associations between specialty prestige and perceived SGM inclusion, and self-reported influences on specialty choice. METHODS: Medical trainees and practitioners (358 SGM, 1528 non-SGM) were surveyed online. We operationalized specialty choice at the individual level as respondents' specialty of practice; at the specialty level, as a percentage of SGM respondents in each specialty...
October 11, 2016: LGBT Health
Preseela Satpathy, Piotr Biernacki, Heribert Cypionka, Sven Steinigeweg
A modified Anaerobic Digestion Model No. 1 (ADM1xp) including lactate was applied to a full-scale biogas plant. This model considers monosaccharides to degrade through lactic acid, which further degrades majorly into acetate followed by propionate and butyrate. Experimental data were derived from the previous works in the same laboratory, and the proposed parameters were validated against batch experiments. After successful validation, the biogas plant bearing a fermenter size of 7 dam(3) and operated with food waste and cattle manure was simulated...
August 15, 2016: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
Michael G Kahn, Tiffany J Callahan, Juliana Barnard, Alan E Bauck, Jeff Brown, Bruce N Davidson, Hossein Estiri, Carsten Goerg, Erin Holve, Steven G Johnson, Siaw-Teng Liaw, Marianne Hamilton-Lopez, Daniella Meeker, Toan C Ong, Patrick Ryan, Ning Shang, Nicole G Weiskopf, Chunhua Weng, Meredith N Zozus, Lisa Schilling
OBJECTIVE: Harmonized data quality (DQ) assessment terms, methods, and reporting practices can establish a common understanding of the strengths and limitations of electronic health record (EHR) data for operational analytics, quality improvement, and research. Existing published DQ terms were harmonized to a comprehensive unified terminology with definitions and examples and organized into a conceptual framework to support a common approach to defining whether EHR data is 'fit' for specific uses...
2016: EGEMS
E A Edwards, J Lumsden, C Rivas, L Steed, L A Edwards, A Thiyagarajan, R Sohanpal, H Caton, C J Griffiths, M R Munafò, S Taylor, R T Walton
OBJECTIVE: Smartphone games that aim to alter health behaviours are common, but there is uncertainty about how to achieve this. We systematically reviewed health apps containing gaming elements analysing their embedded behaviour change techniques. METHODS: Two trained researchers independently coded apps for behaviour change techniques using a standard taxonomy. We explored associations with user ratings and price. DATA SOURCES: We screened the National Health Service (NHS) Health Apps Library and all top-rated medical, health and wellness and health and fitness apps (defined by Apple and Google Play stores based on revenue and downloads)...
October 4, 2016: BMJ Open
Lynn Welsh
AIM: To analyse current evidence on the efficacy of bandage systems containing both elastic and inelastic components (Mixed Component Systems MCSs). BACKGROUND: International consensus on the efficacy of types of compression systems is difficult to achieve; however MCSs are being promoted as combining the best properties of both elastic and inelastic bandage systems and increasingly being used to treat venous leg ulcers (VLUs) in practice. DESIGN: Systematic Literature Review...
October 5, 2016: Journal of Clinical Nursing
Christine Dennis, Pamela Baxter, Jenny Ploeg, Susan Blatz
AIMS: A discussion of partnership in the context of family centered care in the acute paediatric setting, through a critical analysis of partnership models. BACKGROUND: Paediatric healthcare practitioners understand the importance of family centered care, but struggle with how to translate the core tenets into action and are confused by several rival terms. Partnering relationships are included in definitions of family centered care, yet less is known about strategies to fully engage or support parents in these partnerships...
October 5, 2016: Journal of Advanced Nursing
L Grigoletto, E C Mattos, M H A Santana, F Baldi, J P Eler, J B S Ferraz
We evaluated the impact of cytoplasmic lineage effects (Lc) for growth traits on genetic evaluation, including the genetic covariance between direct and maternal effects (σam). Pedigree data from 496,190 Nellore animals and observations on birth weight (BW, N = 243,391), weaning weight (WW, N = 431,681), and post-weaning weight gain adjusted to 345 days (PWG, N = 172,131) were analyzed. Four univariate models were used to obtain estimates of (co)variance components using the restricted maximum likelihood method in the BLUPF90 program...
August 19, 2016: Genetics and Molecular Research: GMR
Navdeep Tangri, Lesley A Inker, Brett Hiebert, Jenna Wong, David Naimark, David Kent, Andrew S Levey
BACKGROUND: Predicting the progression of chronic kidney disease (CKD) is vital for clinical decision making and patient-provider communication. We previously developed an accurate static prediction model that used single-timepoint measurements of demographic and laboratory variables. STUDY DESIGN: Development of a dynamic predictive model using demographic, clinical, and time-dependent laboratory data from a cohort of patients with CKD stages 3 to 5. SETTING & PARTICIPANTS: We studied 3,004 patients seen April 1, 2001, to December 31, 2009, in the outpatient CKD clinic of Sunnybrook Hospital in Toronto, Canada...
September 29, 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
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