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https://www.readbyqxmd.com/read/29334675/effects-of-running-retraining-on-biomechanical-factors-associated-with-lower-limb-injury
#1
Marcus D Dunn, David B Claxton, Graham Fletcher, Jonathan S Wheat, David M Binney
Injury risk is an important concern for runners; however, limited evidence exists regarding changes to injury risk following running style retraining. Biomechanical factors, such as absolute peak free moment, knee abduction impulse, peak foot eversion and foot eversion excursion, have been shown to predict lower limb injury. The aim of this study was to assess the effects of Pose running retraining on biomechanical factors associated with lower limb running injury. Twenty uninjured recreational runners were pair-matched based on their five km run time performance and randomly assigned to control (n = 10) and intervention (three 2-h Pose running retraining sessions) groups (n = 10)...
January 12, 2018: Human Movement Science
https://www.readbyqxmd.com/read/29334611/understanding-complex-tribofilms-by-means-of-h3bo3-b2o3-model-glasses
#2
Fabiana Spadaro, Antonella Rossi, Shivaprakash N Ramakrishna, Emmanuel Lainé, Philip Woodward, Nicholas D Spencer
The discovery of the spontaneous reaction of boric oxides with moisture in the air to form lubricious H3BO3 films has led to great interest in the tribology of boron compounds in general. Despite this, a study of the growth kinetics of H3BO3 on a B2O3 substrate under controlled relative humidity (RH), has not yet been reported in the literature. Here, we describe the tribological properties of H3BO3-B2O3 glass systems after aging under controlled relative humidity over different lengths of time. A series of tribological tests has been performed applying a normal load of 15 N, at both room temperature and 100°C in Yubase 4 oil...
January 15, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29334539/gelatin-based-hemostatic-agents-histopathologic-differences
#3
Natalie Wolkow, Frederick A Jakobiec, Michael K Yoon
PURPOSE: To delineate the histopathologic appearance of gelatin-based hemostatic agents, Surgiflo, Gelfoam, and Floseal, which are used by ophthalmic plastic surgeons, and which may incidentally be found as foreign materials in histopathologic tissue samples. METHODS: Histopathologic analysis was performed with hematoxylin-eosin, periodic acid-Schiff, Masson trichrome, and elastin staining on tissue samples in which gelatin-based agents were found. To better characterize these materials, similar analyses were performed on in vitro samples of commonly used gelatin-based hemostatic agents...
January 12, 2018: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29334529/midterm-outcome-of-kidney-transplantation-from-donors-with-thin-basement-membrane-nephropathy
#4
Chanjoong Choi, Sanghyun Ahn, Seung-Kee Min, Jongwon Ha, Curie Ahn, Yonsu Kim, Hajeong Lee, Sang-Il Min
BACKGROUND: Thin basement membrane nephropathy (TBMN) is the most common cause of persistent glomerular hematuria. Most individuals with TBMN show a benign course, although it can be difficult to distinguish it from early stages of progressive renal diseases. However, only limited studies address the prognosis of donors with TBMN and their recipients. METHODS: From 2007 to 2016, 11 recipients received kidney grafts from donors with TBMN, and their clinical data were analyzed retrospectively...
January 12, 2018: Transplantation
https://www.readbyqxmd.com/read/29334321/biosynthesis-of-galactomannans-found-in-filamentous-fungi-belonging-to-pezizomycotina
#5
Takuji Oka
The galactomannans (GMs) that are produced by filamentous fungi belonging to Pezizomycotina, many of which are pathogenic for animals and plants, are polysaccharides consisting of α-(1→2)-/α-(1→6)-mannosyl and β-(1→5)-/β-(1→6)-galactofuranosyl residues. GMs are located at the outermost layer of the cell wall. When a pathogenic fungus infects a host, its cell surface must be in contact with the host. The GMs on the cell surface may be involved in the infection mechanism of a pathogenic fungus or the defense mechanism of a host...
January 15, 2018: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/29334318/molecular-dynamics-perspective-on-the-thermal-stability-of-mandelate-racemase
#6
Jiali Gu, Hongfei Tong, Laiyu Sun, Zhijian Lin
Mandelate racemase from Pseudomonas putida is a promising candidate for the dynamic kinetic resolution of α-hydroxy carboxylic acids. In the present study, the thermal stability of mandelate racemase was investigated through molecular dynamics simulations in the temperature range of 303 K to 363 K, which can guide the design of mandelate racemase with higher stability. The basic features such as radius of gyration, surface accessibility, and secondary structure content suggested the instability of mandelate racemase at high temperatures...
January 15, 2018: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/29334235/impact-of-an-assertive-community-treatment-model-of-care-on-the-treatment-of-prisoners-with-a-serious-mental-illness
#7
Brian McKenna, Jeremy Skipworth, Rees Tapsell, Krishna Pillai, Dominic Madell, Alexander Simpson, James Cavney, Paul Rouse
OBJECTIVES: This study aims to describe the impact of a mental health assertive community treatment prison model of care (PMOC) on improving the ability to identify prisoner needs, provide interventions and monitor their efficacy. METHODS: We carried out a file review across five prisons of referrals in the year before the implementation of the PMOC in 2010 ( n = 423) compared with referrals in the year after ( n = 477). RESULTS: Some improvements in the identification of needs and providing interventions were detected...
January 1, 2018: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
https://www.readbyqxmd.com/read/29334225/the-fate-of-poly-3-octylthiophene-transducer-in-solid-contact-ion-selective-electrodes
#8
Ewa Jaworska, Maciej Mazur, Krzysztof Maksymiuk, Agata Michalska
An experimental approach allowing visualization and quantification of underestimated spontaneous process of partition of conducting polymer transducer material to the ion-selective membrane phase is proposed. The approach proposed is based on optical properties of the transducer material applied, using polythiophene as a model system. It is shown that this process occurs not only during sensor preparation step but also during pretreatment of the sensor before use. As shown, this uncontrolled partition of the transducer to the receptor leads to conducting polymer contents in the membrane phase reaching 0...
January 15, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29334219/mussel-inspired-conductive-polymer-binder-for-si-alloy-anode-in-lithium-ion-batteries
#9
Hui Zhao, Yang Wei, Cheng Wang, Rui-Min Qiao, Wanli Yang, Phillip B Messersmith, Gao Liu
The excessive volume changes during cell cycling of Si-based anode in lithium ion batteries impeded its application. One major reason for the cell failure is particle isolation during volume shrinkage in delithiation process, which makes strong adhesion between polymer binder and anode active material particles a highly desirable property. Here, a biomimetic side-chain conductive polymer incorporating catechol, a key adhesive component of the mussel holdfast protein, was synthesized. Atomic force microscopy (AFM) based single molecule force measurements of mussel-inspired conductive polymer binder contacting a silica surface revealed similar adhesion toward substrate when compared with an effective Si anode binder, homo-polyacrylic acid (PAA), with the added benefit of being electronically conductive...
January 15, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29334176/the-effect-of-22-5-khz-low-frequency-contact-ultrasound-debridement-lfcud-on-lower-extremity-wound-healing-for-a-vascular-surgery-population-a-randomised-controlled-trial
#10
Christine Anne Murphy, Pamela Houghton, Tim Brandys, Gregory Rose, Dianne Bryant
The aim of this study was to compare changes in wound size and appearance and health complication rates in patients with vasculopathy and lower-extremity wounds treated with or without low-frequency contact ultrasound debridement (LFCUD) This study was a randomised controlled trial. The study was conducted in a vascular surgery service, including outpatient wound clinic and inpatient ward, in a tertiary care academic centre. In total, 70 patients with vasculopathy and lower-extremity wounds of mixed aetiology were enrolled in the trial; 68 completed the study...
January 15, 2018: International Wound Journal
https://www.readbyqxmd.com/read/29334150/a-general-method-for-the-chemical-synthesis-of-large-scale-seamless-transition-metal-dichalcogenide-electronics
#11
Li Li, Yichuan Guo, Yuping Sun, Long Yang, Liang Qin, Shouliang Guan, Jinfen Wang, Xiaohui Qiu, Hongbian Li, Yuanyuan Shang, Ying Fang
The capability to directly build atomically thin transition metal dichalcogenide (TMD) devices by chemical synthesis offers important opportunities to achieve large-scale electronics and optoelectronics with seamless interfaces. Here, a general approach for the chemical synthesis of a variety of TMD (e.g., MoS2 , WS2 , and MoSe2 ) device arrays over large areas is reported. During chemical vapor deposition, semiconducting TMD channels and metallic TMD/carbon nanotube (CNT) hybrid electrodes are simultaneously formed on CNT-patterned substrate, and then coalesce into seamless devices...
January 15, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29334045/development-of-a-patient-experience-questionnaire-to-improve-lifestyle-services-in-primary-care
#12
Paula Brauer, Dawna Royall, Anneli Kaethler, Alexandra Mayhew, Maya Israeloff-Smith
Aim We developed a self-report tool to assess patients' experiences with lifestyle services in team-based primary care and pilot tested the questionnaire as part of a lifestyle intervention study to reverse metabolic syndrome. BACKGROUND: Older client satisfaction questionnaires have been generally inadequate for quality improvement purposes, as they have been focused mainly on interpersonal skills of providers and/or in the context of one disease. New approaches to assessing the patient experience of lifestyle programs in primary care are needed and could inform quality improvement efforts over time...
January 15, 2018: Primary Health Care Research & Development
https://www.readbyqxmd.com/read/29334019/chemical-stabilization-of-polymers-implications-for-dermal-exposure-to-additives
#13
N Bartsch, M Girard, L Schneider, V Van De Weijgert, A Wilde, O Kappenstein, B Vieth, C Hutzler, A Luch
Technical benefits of additives in polymers stand in marked contrast to their associated health risks. Here, a multi-analyte method based on gas chromatography coupled to tandem mass spectrometry (GC-MS/MS) was developed to quantify polymer additives in complex matrices such as low-density polyethylene (LDPE) and isolated human skin layers after dermal exposure ex vivo. That way both technical aspects and dermal exposure were investigated. The effects of polymer additivation on the material were studied using the example of LDPE...
January 15, 2018: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/29333929/efficacy-of-an-imaging-device-at-identifying-the-presence-of-bacteria-in-wounds-at-a-plastic-surgery-outpatients-clinic
#14
Ellen L Blackshaw, Steven L A Jeffery
OBJECTIVE: Current standard diagnostic practice of bacterial infections by visual inspection under white light is subjective, and microbiological sampling is suboptimal due to high false negative rates and the lengthy time needed for culture results to arrive. The MolecuLight i:X Imaging Device attempts to combat the issues faced in standard practice by providing a non-contact, real-time method of visualising bacteria within wounds. Our aim was to test this imaging device in a series of patients...
January 2, 2018: Journal of Wound Care
https://www.readbyqxmd.com/read/29333910/soft-contact-lenses-to-optimize-vision-in-adults-with-idiopathic-infantile-nystagmus-a-pilot-parallel-randomized-controlled-trial
#15
Maria Theodorou, Ana Quartilho, Wen Xing, Catey Bunce, Gary Rubin, Gillian Adams, Annegret Dahlmann-Noor
PURPOSE: The optimal management of infantile nystagmus syndrome (INS) is still unclear. Contact lenses (CL) may be superior to glasses in improving visual function in INS but it is not known whether their beneficial effects are due to optical correction alone, or to an additional proprioceptive effect, and whether soft CLs would be as effective as rigid CLs. There is little data on feasibility and and the present study aimed to provide this information. METHODS: We completed a pilot Randomized Control Trial (RCT) at a single tertiary referral centre in London, UK...
January 15, 2018: Strabismus
https://www.readbyqxmd.com/read/29333693/polypeptide-polymer-brushes-by-light-induced-surface-polymerization-of-amino-acid-n-carboxyanhydrides
#16
Timo Stukenkemper, Xavier Paquez, M W G M Verhoeven, Emiel J M Hensen, Aylvin A Dias, Dermot F Brougham, Andreas Heise
Silicon wafers are decorated with photoamine generator 4,5-dimethoxy-2-nitrobenzyl 3-(triethoxysilyl)propyl carbamate. UV-irradiation in the presence of benzyl-l-glutamate N-carboxyanhydride is carried out, resulting in the release of the surface-bound primary amines, making them viable N-carboxyanhydride (NCA) polymerization initiators. Successful polypeptide grafting is confirmed by water contact angle measurements as well as by ellipsometry, revealing a poly(benzyl-l-glutamate) (PBLG) layer of ≈3 nm. X-ray photoelectron spectroscopy confirms the presence of amide groups in the grafted PBLG while time-of-flight secondary ion mass spectroscopy provides additional evidence for the presence of PBLG on the surface...
January 15, 2018: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/29333667/improved-electron-transport-with-reduced-contact-resistance-in-n-doped-polymer-field-effect-transistors-with-a-dimeric-dopant
#17
Rong Wang, Yikun Guo, Di Zhang, Huiqiong Zhou, Dahui Zhao, Yuan Zhang
Attaining control on charge injection properties is significant for meaningful applications of organic field-effect transistors (OFETs). Here, molecular electron-doping is applied with an air-stable dimer dopant for n-type OFETs based on (naphthalene diimide-diketopyrrolopyrrole) polymer hosts. Through investigating the doping effect on contact and transport properties, it is found that the electron transport increases in n-doped OFETs at low doping regime with remaining large on/off ratios. These favorable meliorations are reconciled by the mitigated impacts of contact resistance and interfacial traps, as well as the surface morphology exhibiting features of increased ordering...
January 15, 2018: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/29333562/have-you-ever-googled-a-patient-or-been-friended-by-a-patient-social-media-intersects-the-practice-of-genetic-counseling
#18
NinaMarie F Omaggio, Maria J Baker, Laura J Conway
Patients and healthcare providers are becoming increasingly connected via social media, bringing new opportunities and challenges. Direct connection can occur between patients and providers using online tools such as Facebook and LinkedIn. In addition, providers can gather information about patients using a search engine such as Google, referred to as patient-targeted Googling (PTG). An online 54-item survey was used to gain information on (1) how and to what extent genetic counseling students and genetic counselors connect directly with patients via social media sites, and (2) gather information on providers using PTG...
January 15, 2018: Journal of Genetic Counseling
https://www.readbyqxmd.com/read/29333504/community-based-physical-activity-as-adjunctive-smoking-cessation-treatment-rationale-design-and-baseline-data-for-the-lifestyle-enhancement-program-leap-randomized-controlled-trial
#19
Mark W Vander Weg, Mace Coday, Michelle B Stockton, Barbara McClanahan, George Relyea, Mary C Read, Nancy Wilson, Stephanie Connelly, Phyllis Richey, Karen C Johnson, Kenneth D Ward
Despite advances in behavioral and pharmacological treatment for tobacco use and dependence, quit rates remain suboptimal. Increasing physical activity has shown some promise as a strategy for improving cessation outcomes. However, initial efficacy studies focused on intensive, highly structured exercise programs that may not be applicable to the general population of smokers. We describe the rationale and study design and report baseline participant characteristics from the Lifestyle Enhancement Program (LEAP), a two-group, randomized controlled trial...
March 2018: Contemporary Clinical Trials Communications
https://www.readbyqxmd.com/read/29333497/work-efficiency-improvement-of-90-after-implementation-of-an-annual-inpatient-blood-products-administration-consent-form
#20
Holly Lindsay, Saleh Bhar, Challice Bonifant, Sarah Sartain, Sarah B Whittle, Youngna Lee-Kim, Mona D Shah
Paediatric haematology, oncology and bone marrow transplant (BMT) patients frequently require transfusion of blood products. Our institution required a new transfusion consent be obtained every admission. The objectives of this project were to: revise inpatient blood products consent form to be valid for 1 year, decrease provider time spent consenting from 15 to <5 min per admission, and improve provider frustration with the consent process. Over 6 months, we determined the average number of hospitalisations requiring transfusions in a random sampling of haematology/oncology/BMT inpatients...
2018: BMJ Open Quality
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