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https://www.readbyqxmd.com/read/28637341/assessment-of-workers-exposure-to-grain-dust-and-bioaerosols-during-the-loading-of-vessels-hold-an-example-at-a-port-in-the-province-of-qu%C3%A3-bec
#1
Geneviève Marchand, Marie Gardette, Kiet Nguyen, Valérie Amano, Eve Neesham-Grenon, Maximilien Debia
Longshoremen are exposed to large amounts of grain dust while loading of grain into the holds of vessels. Grain dust inhalation has been linked to respiratory diseases such as chronic bronchitis, hypersensitivity, pneumonitis, and toxic pneumonitis. Our objective was to characterize the exposure of longshoremen to inhalable and total dust, endotoxins, and cultivable bacteria and fungi during the loading of grain in a vessel's hold at the Port of Montreal in order to assess the potential health risks. Sampling campaigns were conducted during the loading of two different types of grain (wheat and corn)...
June 15, 2017: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/28637309/anterior-cervical-pseudarthrosis-treated-with-bilateral-posterior-cervical-cages
#2
William Smith, Mark Gillespy, Jason Huffman, Veasna Vong, Bruce M McCormack
BACKGROUND: Pseudarthrosis after anterior cervical discectomy and fusion (ACDF) causes persistent pain and related disability. Posterior revision surgery results in higher healing rates, but is more extensive compared to anterior surgery. OBJECTIVE: To evaluate minimally disruptive, tissue sparing posterior fusion via bilateral placement of posterior cages between the facet joints as an alternative treatment option. METHODS: A retrospective, multicenter, medical chart review was performed and included 25 patients with symptomatic pseudarthrosis after ACDF treated with posterior cervical cages, and in select cases, anterior revision...
June 14, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28637228/application-of-social-network-analysis-in-the-assessment-of-organization-infrastructure-for-service-delivery-a-three-district-case-study-from-post-conflict-northern-uganda
#3
Freddie Ssengooba, Vincent Kawooya, Justine Namakula, Suzanne Fustukian
In post-conflict settings, service coverage indices are unlikely to be sustained if health systems are built on weak and unstable inter-organization networks-here referred to as infrastructure. The objective of this study was to assess the inter-organization infrastructure that supports the provision of selected health services in the reconstruction phase after conflict in northern Uganda. Applied social network analysis was used to establish the structure, size and function among organizations supporting the provision of (1) HIV treatment, (2) maternal delivery services and (3) workforce strengthening...
June 16, 2017: Health Policy and Planning
https://www.readbyqxmd.com/read/28637189/assessment-of-whole-body-vibration-exposure-in-mining-earth-moving-equipment-and-other-vehicles-used-in-surface-mining
#4
Luz S Marin, Andres C Rodriguez, Estefany Rey-Becerra, Hugo Piedrahita, Lope H Barrero, Jack T Dennerlein, Peter W Johnson
This study characterized whole-body vibration exposures in a set of vehicles that operate in open-pit mines and compared three different daily exposure parameters based on the ISO 2631-1:1997 and ISO 2631-5:2004 standards. Full-shift, 6 to 12-hour, continuous whole-body vibration measurements were collected from 11 representative types of vehicles in terms of hours of operation and number of vehicles used. For each type of vehicle, the exposure parameters (A(8), VDV(8), and Sed(8)) were calculated for each axis (x, y, and z), and in addition, shear or horizontal (∑xy) and vector sum (∑xyx) whole-body vibration exposure...
June 20, 2017: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/28637157/maximal-and-submaximal-aerobic-tests-for-wheelchair-dependent-persons-with-spinal-cord-injury-a-systematic-review-to-summarize-and-identify-useful-applications-for-clinical-rehabilitation
#5
Sophia Eerden, Rienk Dekker, Florentina J Hettinga
PURPOSE: To summarize the available maximal and submaximal aerobic exercise tests for wheelchair-dependent persons with a spinal cord injury (SCI) and to identify useful applications for clinical rehabilitation. METHOD: The databases of PubMed, CINAHL(®), EMBASE, and PsycINFO(®) were searched for English-language studies published prior to March 2015. Two independent raters identified and examined studies that reported on laboratory-based aerobic exercise tests in persons with an SCI, according to the PRISMA statement...
March 3, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637153/dutch-version-of-the-fear-of-pain-questionnaire-for-adolescents-with-chronic-pain
#6
Carolien Dekker, Caroline H G Bastiaenen, Janneke E de Vries, Laura E Simons, Mariëlle E J B Goossens, Jeanine A M C F Verbunt
BACKGROUND: Fear of pain is important in the development and maintenance of chronic pain. The Fear of Pain Questionnaire-Child version has been developed to assess pain related fear in children and adolescents. OBJECTIVE: Translating the original questionnaire into Dutch, and investigating internal consistency and construct validity to enable use in the Dutch pain rehabilitation setting for treatment and research. METHODS: Cross-sectional validation study: After forward and back translation of the FOPQ-C, adolescents (11-22 years old) with chronic musculoskeletal pain completed an assessment containing the Dutch Fear of Pain Questionnaire, and questionnaires about demographics, pain catastrophizing, functional disability, and pain intensity...
March 3, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637149/personal-meaning-in-relation-to-daily-functioning-of-a-patient-in-physical-therapy-practice-narratives-of-a-patient-a-family-member-and-physical-therapist
#7
Ellen Oosting, Jaap Dronkers, Thomas Hoogeboom, Nico van Meeteren, Willem Marie Speelman
PURPOSE: To get insight into personal meaning of a person involved in a physical therapy intervention. METHODS: Mrs. A, a 76-year-old woman is referred to a physical therapist (PT) for assessment of functioning and training before total hip arthroplasty (THA). The patient, her daughter, and PT were asked to write a story about their daily life. Stories were analyzed according to the narrative scheme based on a method to find meaning in daily life, which consists of four phases: 1...
February 24, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637146/instilling-positive-beliefs-about-disabilities-pilot-testing-a-novel-experiential-learning-activity-for-rehabilitation-students
#8
Arielle M Silverman, Jennifer S Pitonyak, Ian K Nelson, Patricia N Matsuda, Deborah Kartin, Ivan R Molton
PURPOSE: To develop and test a novel impairment simulation activity to teach beginning rehabilitation students how people adapt to physical impairments. METHODS: Masters of Occupational Therapy students (n = 14) and Doctor of Physical Therapy students (n = 18) completed the study during the first month of their program. Students were randomized to the experimental or control learning activity. Experimental students learned to perform simple tasks while simulating paraplegia and hemiplegia...
February 25, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637135/cross-cultural-validity-of-the-abiloco-questionnaire-for-individuals-with-stroke-based-on-rasch-analysis
#9
Patrick Roberto Avelino, Lívia Castro Magalhães, Iza Faria-Fortini, Marluce Lopes Basílio, Kênia Kiefer Parreiras Menezes, Luci Fuscaldi Teixeira-Salmela
PURPOSE: The purpose of this study was to evaluate the cross-cultural validity of the Brazilian version of the ABILOCO questionnaire for stroke subjects. MATERIALS AND METHODS: Cross-cultural adaptation of the original English version of the ABILOCO to the Brazilian-Portuguese language followed standardized procedures. The adapted version was administered to 136 stroke subjects and its measurement properties were assessed using Rash analysis. Cross-cultural validity was based on cultural invariance analyses...
February 10, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637129/patient-reported-outcomes-in-gne-myopathy-incorporating-a-valid-assessment-of-physical-function-in-a-rare-disease
#10
Christina Slota, Margaret Bevans, Li Yang, Joseph Shrader, Galen Joe, Nuria Carrillo
BACKGROUND: The aim of this analysis was to evaluate the psychometric properties of three patient reported outcome (PRO) measures characterizing physical function in GNE myopathy: the Human Activity Profile, the Inclusion Body Myositis Functional Rating Scale, and the Activities-specific Balance Confidence scale. METHODS: This analysis used data from 35 GNE myopathy subjects participating in a natural history study. For construct validity, correlational and known-group analyses were between the PROs and physical assessments...
February 7, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637053/a-new-analytical-method-for-characterizing-nonlinear-visual-processes-with-stimuli-of-arbitrary-distribution-theory-and-applications
#11
Ryusuke Hayashi, Osamu Watanabe, Hiroki Yokoyama, Shin'ya Nishida
Characterization of the functional relationship between sensory inputs and neuronal or observers' perceptual responses is one of the fundamental goals of systems neuroscience and psychophysics. Conventional methods, such as reverse correlation and spike-triggered data analyses are limited in their ability to resolve complex and inherently nonlinear neuronal/perceptual processes because these methods require input stimuli to be Gaussian with a zero mean. Recent studies have shown that analyses based on a generalized linear model (GLM) do not require such specific input characteristics and have advantages over conventional methods...
June 1, 2017: Journal of Vision
https://www.readbyqxmd.com/read/28637047/pleural-adhesion-assessment-as-a-predictor-for-pneumothorax-after-endobronchial-valve-treatment
#12
Wouter H van Geffen, Karin Klooster, Jorine E Hartman, Nick H T Ten Hacken, Huib A M Kerstjens, Rienhart F E Wolf, Dirk-Jan Slebos
BACKGROUND: Pneumothorax after bronchoscopic lung volume reduction using one-way endobronchial valves (EBVs) in patients with advanced emphysema occurs in approximately 20% of patients. It is not well known which factors predict the development of pneumothorax. OBJECTIVE: To assess whether pleural adhesions on pretreatment high-resolution computed tomography (HRCT) scans are associated with pneumothorax occurrence after EBV treatment. METHODS: HRCT scan analyses were performed on all patients who received EBV treatment in a randomized controlled trial...
June 22, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28636936/strong-tcr%C3%AE-%C3%AE-signaling-prohibits-thymic-development-of-il-17a-secreting-%C3%AE-%C3%AE-t-cells
#13
Nital Sumaria, Capucine L Grandjean, Bruno Silva-Santos, Daniel J Pennington
Despite a growing appreciation of γδ T cell contributions to numerous immune responses, the mechanisms that underpin their thymic development remain poorly understood. Here, using precursor/product relationships, we identify thymic stages in two distinct developmental pathways that generate γδ T cells pre-committed to subsequent secretion of either IL-17A or IFNγ. Importantly, this framework for tracking γδ T cell development has permitted definitive assessment of TCRγδ signal strength in commitment to γδ T cell effector fate; increased TCRγδ signal strength profoundly prohibited the development of all IL-17A-secreting γδ T cells, regardless of Vγ usage, but promoted the development of γδ progenitors along the IFNγ pathway...
June 20, 2017: Cell Reports
https://www.readbyqxmd.com/read/28636892/topical-bioavailability-of-diclofenac-from-locally-acting-dermatological-formulations
#14
S F Cordery, A Pensado, W S Chiu, M Z Shehab, A L Bunge, M B Delgado-Charro, R H Guy
Assessment of the bioavailability of topically applied drugs designed to act within or beneath the skin is a challenging objective. A number of different, but potentially complementary, techniques are under evaluation. The objective of this work was to evaluate in vitro skin penetration and stratum corneum tape-stripping in vivo as tools with which to measure topical diclofenac bioavailability from three approved and commercialized products (two gels and one solution). Drug uptake into, and its subsequent clearance from, the stratum corneum of human volunteers was used to estimate the input rate of diclofenac into the viable skin layers...
June 18, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28636826/degradation-mechanisms-of-magnesium-metal-anodes-in-electrolytes-based-on-cf3so2-2n-at-high-current-densities
#15
Hyun Deog Yoo, Sang-Don Han, Igor L Bolotin, Gene M Nolis, Ryan D Bayliss, Anthony K Burrell, John T Vaughey, Jordi Cabana
The energy density of rechargeable batteries utilizing metals as anodes surpasses Li-ion batteries, which employ carbon instead. Among possible metals, magnesium represents a potential alternative to the conventional choice, lithium, in terms of storage density, safety, stability, and cost. However, a major obstacle for metal-based batteries is the identification of electrolytes that show reversible deposition/dissolution of the metal anode and support reversible intercalation of ions into a cathode. Traditional Grignard-based Mg electrolytes are excellent toward reversible deposition of Mg, but their limited anodic stability and compatibility with oxide cathodes hinder their applicability in Mg batteries with higher voltage...
June 21, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28636817/framework-for-optimizing-selection-of-interspecies-correlation-estimation-models-to-address-species-diversity-and-toxicity-gaps-in-an-aquatic-database
#16
Adriana C Bejarano, Sandy Raimondo, Mace G Barron
The Chemical Aquatic Fate and Effects (CAFE) database is a tool that facilitates assessments of accidental chemical releases into aquatic environments. CAFE contains aquatic toxicity data used in the development of species sensitivity distributions (SSDs) and the estimation of hazard concentrations (HCs). For many chemicals, gaps in species diversity and toxicity data limit the development of SSDs, which may be filled with Interspecies Correlation Estimation (ICE) models. Optimization of ICE model selection and integration ICE-predicted values into CAFE required a multistep process that involved the use of different types of data to assess their influence on SSDs and HC estimates...
June 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28636793/development-and-validation-of-ihs4-a-novel-dynamic-scoring-system-to-assess-hidradenitis-suppurativa-acne-inversa-severity
#17
C C Zouboulis, T Tzellos, A Kyrgidis, G B E Jemec, F G Bechara, E J Giamarellos-Bourboulis, J R Ingram, T Kanni, I Karagiannidis, A Martorell, Ł Matusiak, A Pinter, E P Prens, D Presser, S Schneider-Burrus, E von Stebut, J C Szepietowski, H H van der Zee, S M Wilden, R Sabat
BACKGROUND: A validated tool for the dynamic severity assessment of hidradenitis suppurativa (HS) is lacking. The aim of this study was to develop and validate such a novel scoring system. METHODS: A Delphi voting procedure was conducted among the members of the European Hidradenitis Suppurativa Foundation (EHSF) to achieve consensus towards an initial HS Severity Score System (HS4). Strengths and weaknesses of HS4 were examined by a multicenter prospective study...
June 21, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28636758/fetal-overnutrition-and-offspring-insulin-resistance-and-%C3%AE-cell-function-the-exploring-perinatal-outcomes-among-children-epoch-study
#18
K A Sauder, C W Hockett, B M Ringham, D H Glueck, D Dabelea
AIMS: To examine the associations of intrauterine exposure to maternal diabetes and obesity with offspring insulin resistance, β-cell function and oral disposition index in a longitudinal observational study of ethnically diverse offspring. METHODS: A total of 445 offspring who were exposed (n=81) or not exposed (n=364) to maternal diabetes in utero completed two fasting blood measurements at mean (sd) ages of 10.5 (1.5) and 16.5 (1.2) years, respectively, and an oral glucose tolerance test at the second visit...
June 21, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28636684/balanced-work-function-as-a-driver-for-facile-hydrogen-evolution-reaction-comprehension-and-experimental-assessment-of-interfacial-catalytic-descriptor
#19
Aleksandar R Zeradjanin, Ashokanand Vimalanandan, George Polymeros, Angel A Topalov, Karl J J Mayrhofer, Michael Rohwerder
A major step in the development of (electro)catalysis would be the possibility to estimate accurately the energetics of adsorption processes related to reaction intermediates. Computational chemistry (e.g. using DFT) developed significantly in that direction and allowed the fast prediction of (electro)catalytic activity trends and improved the general understanding of adsorption at electrochemical interfaces. However, building a reliable and comprehensive picture of electrocatalytic reactions undoubtedly requires experimental assessment of adsorption energies...
June 21, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28636681/thermally-induced-conformational-changes-and-protein-protein-interactions-of-bovine-serum-albumin-in-aqueous-solution-under-different-ph-and-ionic-strengths-as-revealed-by-saxs-measurements
#20
Dmitry Molodenskiy, Evgeny Shirshin, Tatiana Tikhonova, Andrey Gruzinov, Georgy Peters, Francesco Spinozzi
Thermal-induced conformational changes and protein-protein interactions of bovine serum albumin (BSA) in aqueous solution are assessed by small angle X-ray scattering (SAXS) at two pH values (7.4 and 9.0) and two ionic strengths (0.1 and 0.5). We demonstrate that Guinier analysis in two ranges of the modulus of the scattering vector allows protein melting and aggregation to be monitored simultaneously, thus providing insights into the mechanism of thermal-induced BSA aggregation. Results of the analysis suggest that at room temperature monomeric and dimeric BSA fractions are present in solution...
June 21, 2017: Physical Chemistry Chemical Physics: PCCP
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