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Emily G Stokes, Roger Hughes, David M Shaw, Helen T O'Connor, Kathryn L Beck
Sports nutrition recommendations provide guidance on dietary strategies to optimise sports performance. However, research indicates that young athletes often find it difficult to follow these guidelines in practice. Limited research exists on the determinants that influence adherence to sports nutrition guidelines. This study aimed to explore the perceptions and determinants of eating for health and performance in high-level male adolescent rugby union players. Determinants were explored using semi-structured individual interviews in New Zealand high-level male rugby union players ( n = 20, 16⁻18 years)...
May 28, 2018: Sports
V Langlois, V H Trinh, C Lusso, C Perrot, X Chateau, Y Khidas, O Pitois
In this paper, we study how the permeability of solid foam is modified by the presence of membranes that close partially or totally the cell windows connecting neighboring pores. The finite element method (FEM) simulations computing the Stokes problem are performed at both pore and macroscopic scales. For foam with fully interconnected pores, we obtain a robust power-law relationship between permeability and aperture size. This result is due to the local pressure drop mechanism through the aperture as described by Sampson for fluid flow through a circular orifice in a thin plate...
May 2018: Physical Review. E
Zhezhe Wang, Xinxin Xing, Yue Yang, Rongjun Zhao, Tong Zou, Zidong Wang, Yude Wang
Highly luminescent CdS quantum dots capped with thioglycolic acid (TGA@CdS QDs) were synthesized from cadmium chloride and thiourea as cadmium and sulfur sources via simple hydrothermal method. The room temperature photoluminescence (RTPL) properties of TGA@CdS QDs were investigated. The results indicate that the polarity of the solvent and the surface trap state resulted in the broadness Stokes shift between the maximum absorption wavelength and the emission wavelength of TGA@CdS QDs. The Co2+ sensing properties of fluorescence determination were investigated using TGA@CdS QDs...
June 12, 2018: Scientific Reports
Gerard M Fealy, Mary Casey, Denise F O'Leary, Martin S Mcnamara, Denise O'Brien, Laserina O'Connor, Rita Smith, Diarmuid Stokes
AIMS AND OBJECTIVES: The aim of this discursive paper is to collate, synthesise and discuss published evidence and expert professional opinion on enablers and barriers to the development and sustainability of specialist and advanced practice roles in nursing and midwifery. BACKGROUND: Expanded practice is a response to population health needs, healthcare costs and practitioners' willingness to expand their scope of practice through enhanced responsibility, accountability and professional autonomy...
June 12, 2018: Journal of Clinical Nursing
Fiona Doolan-Noble, Stuart Barson, M Lyndon, F Cullinane, J Gray, T Stokes, R Gauld
Objective: To establish aspirational 'gold standards' for a suite of System-Level Measures (SLMs) being used by Counties Manukau Health (CM Health), a New Zealand (NZ) District Health Board. Design: This study employed a multi-stage, multi-method modified Delphi consensus process. Setting: The Delphi consensus process involved virtual (email) communication between participants (Round 1) and a structured face-to-face meeting (Round 2) held in Auckland, NZ...
June 8, 2018: International Journal for Quality in Health Care
Sacha J van Albada, Andrew G Rowley, Johanna Senk, Michael Hopkins, Maximilian Schmidt, Alan B Stokes, David R Lester, Markus Diesmann, Steve B Furber
The digital neuromorphic hardware SpiNNaker has been developed with the aim of enabling large-scale neural network simulations in real time and with low power consumption. Real-time performance is achieved with 1 ms integration time steps, and thus applies to neural networks for which faster time scales of the dynamics can be neglected. By slowing down the simulation, shorter integration time steps and hence faster time scales, which are often biologically relevant, can be incorporated. We here describe the first full-scale simulations of a cortical microcircuit with biological time scales on SpiNNaker...
2018: Frontiers in Neuroscience
Tong Sun, Zhuan Xu, Shan-Shan Diao, Lu-Lu Zhang, Qi Fang, Xiu-Ying Cai, Yan Kong
Wake-up stroke, defined as patients who wake up with stroke symptoms which were not present prior to falling asleep, accounted for 14%-25% of acute ischemic stroke. Due to the unknown time of symptom onset, wake-up stoke was not in including criteria of intravenous thrombolysis. Several large randomized stroke trials using diffusion-weighted imaging(DWI)and fluid attenuated inversion recovery(FLAIR)mismatch patient selection may identify a subset of patients with wake-up stroke that can safely and effectively benefit from intravenous thrombolysis...
July 2018: Clinical Neurology and Neurosurgery
Kamal G Shah, Vidhi Singh, Peter C Kauffman, Koji Abe, Paul Yager
Paper-based diagnostic tests based on the lateral flow immunoassay concept promise low-cost, point-of-care detection of infectious diseases, but such assays suffer from poor limits of detection. One factor that contributes to poor analytical performance is a reliance on low contrast chromophoric optical labels such as gold nanoparticles. Previous attempts to improve the sensitivity of paper-based diagnostics include replacing chromophoric labels with enzymes, fluorophores, or phosphors at the expense of increased fluidic complexity or the need for device readers with costly optoelectronics...
May 1, 2018: Analytical Chemistry
Jacquie Kurland, Anna Liu, Polly Stokes
Purpose: The aim of this study was to determine if a tablet-based home practice program with weekly telepractice support could enable long-term maintenance of recent treatment gains and foster new language gains in poststroke aphasia. Method: In a pre-post group study of home practice outcomes, 21 individuals with chronic aphasia were examined before and after a 6-month home practice phase and again at follow-up 4 months later. The main outcome measure studied was change in naming previously treated or untreated, practiced or unpracticed pictures of objects and actions...
April 24, 2018: Journal of Speech, Language, and Hearing Research: JSLHR
Sadra Sadeghi, Houman Bahmani Jalali, Rustamzhon Melikov, Baskaran Ganesh Kumar, Mohammad Mohammadi Aria, Cleva W Ow-Yang, Sedat Nizamoglu
Luminescent solar concentrators (LSCs) show promise because of their potential for low-cost, large-area, and high-efficiency energy harvesting. Stokes shift engineering of luminescent quantum dots (QDs) is a favorable approach to suppress reabsorption losses in LSCs; however, the use of highly toxic heavy metals in QDs constitutes a serious concern for environmental sustainability. Here, we report LSCs based on cadmium-free InP/ZnO core/shell QDs with type-II band alignment that allow for the suppression of reabsorption by Stokes shift engineering...
April 18, 2018: ACS Applied Materials & Interfaces
Sean M Stokes, Eric R Scaife, Austin M Stevens, Stephen J Fenton
BACKGROUND: The treatment of injured children contributes substantially to the financial burden of a health care system. The purpose of this study was to characterize these charges at a level-1 pediatric trauma center. METHODS: Financial data for children (<14 years) admitted for traumatic injury from 1/2009 to 12/2014 were analyzed. The charges of the index admission and first two years following discharge were evaluated. RESULTS: 5853 trauma patients were included with average annual charges of $11,128,730...
February 25, 2018: Journal of Pediatric Surgery
Claire L Stokes, William A Stokes, John A Kalapurakal, Arnold C Paulino, Nicholas G Cost, Carrye R Cost, Timothy P Garrington, Brian S Greffe, Jonathan P Roach, Jennifer L Bruny, Arthur K Liu
PURPOSE: To determine, using the National Cancer Database (NCDB), the impact of the surgery to radiation therapy interval (SRI) on survival in contemporary patients with Wilms tumor (WT). METHODS AND MATERIALS: The NCDB was queried for patients aged ≤25 years diagnosed from 2004 to 2013 with unilateral WT who underwent definitive surgery and radiation therapy. The SRI was calculated for each patient. A stratified analysis was performed based on presence of metastasis using logistic regression to calculate risk factors for prolonged SRI, with a focus on the recommended SRI according to recent Children's Oncology Group trials (by day 14) and National Wilms Tumor Study-5 (by day 9)...
June 1, 2018: International Journal of Radiation Oncology, Biology, Physics
V J Pahua, P J N Stokes, A C Hollowell, J U Regus, K A Gano-Cohen, C E Wendlandt, K W Quides, J Y Lyu, J L Sachs
Legumes can preferentially select beneficial rhizobial symbionts and sanction ineffective strains that fail to fix nitrogen. Yet paradoxically, rhizobial populations vary from highly beneficial to ineffective in natural and agricultural soils. Classic models of symbiosis focus on the single dimension of symbiont cost-benefit to sympatric hosts, but fail to explain the widespread persistence of ineffective rhizobia. Here, we test a novel framework predicting that spatio-temporal and community dynamics can maintain ineffective strains in rhizobial populations...
April 2018: Journal of Evolutionary Biology
Rahul Verma, Matteo Icardi, Maša Prodanović
Understanding of pore-scale physics for multiphase flow in porous media is essential for accurate description of various flow phenomena. In particular, capillarity and wettability strongly influence capillary pressure-saturation and relative permeability relationships. Wettability is quantified by the contact angle of the fluid-fluid interface at the pore walls. In this work we focus on the non-trivial interface equilibria in presence of non-neutral wetting and complex geometries. We quantify the accuracy of a volume-of-fluid (VOF) formulation, implemented in a popular open-source computational fluid dynamics code, compared with a new formulation of a level set (LS) method, specifically developed for quasi-static capillarity-dominated displacement...
January 6, 2018: Journal of Contaminant Hydrology
Elizabeth A Stokes, Sarah Wordsworth, Julie Staves, Nicola Mundy, Jane Skelly, Kelly Radford, Simon J Stanworth
BACKGROUND: In an environment of limited health care resources, it is crucial for health care systems which provide blood transfusion to have accurate and comprehensive information on the costs of transfusion, incorporating not only the costs of blood products, but also their administration. Unfortunately, in many countries accurate costs for administering blood are not available. Our study aimed to generate comprehensive estimates of the costs of administering transfusions for the UK National Health Service...
April 2018: Transfusion
Fergus Chedgy, Carole Fogg, Kesavan Kandiah, Hugh Barr, Bernard Higgins, Mimi McCord, Ann Dewey, John De Caestecker, Lisa Gadeke, Clive Stokes, David Poller, Gaius Longcroft-Wheaton, Pradeep Bhandari
Background and study aims : Barrett's esophagus is a potentially pre-cancerous condition, affecting 375,000 people in the UK. Patients receive a 2-yearly endoscopy to detect cancerous changes, as early detection and treatment results in better outcomes. Current treatment requires random mapping biopsies along the length of Barrett's, in addition to biopsy of visible abnormalities. As only 13 % of pre-cancerous changes appear as visible nodules or abnormalities, areas of dysplasia are often missed...
January 2018: Endoscopy International Open
Yang Li, Ran Dong, Kun Hua, Tao-Shuai Liu, Shao-You Zhou, Ning Zhou, Hong-Jia Zhang
BACKGROUND: Debate on treatment for young patients with coronary artery disease still exists. This study aimed to investigate the intermediate- and long-term outcomes between coronary artery bypass grafting (CABG) and percutaneous coronary intervention (PCI) in patients aged 18-45 years with diabetes mellitus (DM). METHODS: Between January 2006 and March 2016, a total of 2018 DM patients aged 18-45 years including 517 cases of CABG and 1501 cases of PCI were enrolled in the study...
December 20, 2017: Chinese Medical Journal
Zhenjie Wu, Ran Liao, Xiangyu Sun, Di Zu, Wenlan Liu, Hui Tan, Shuqing Sun
The development of highly sensitive and low-cost methods for detecting DNA is of critical importance. Here, we describe a strategy for the highly sensitive and low-cost digital detection of target DNA. Individual DNA molecules were encoded with a single gold nanorod (Au NR), which was then separated and enriched using the magnetic immune-separation process, followed by dehybridization and dispersion into a buffer solution and immobilization on glass slides for polarized dark-field microscopic imaging. With the imaging we can get the first three data sets of the Stokes vector, and the experimental degree of the linear polarization of the light scattered by the Au NR was obtained...
November 20, 2017: Applied Optics
Heyin Mi, Shujuan Li, Haiying Li, Wenli Hu
OBJECTIVE: To study the effects of infection on severe stroke patients in the neurological intensive care unit and to find the related risk factors for mortality of severe stroke patients. METHODS: We conducted a retrospective study including 343 patients with ischaemic or haemorrhagic stroke and staying for more than 2 patient-days in the neurological intensive care unit at Beijing Chaoyang Hospital from January 2011 to December 2015 to analyse the infection features of patients with severe stroke in the neurological intensive care unit...
December 29, 2017: International Journal of Neuroscience
Crissy L Tarver, Marc Pusey
A wide variety of crystallization solutions are screened to establish conditions that promote the growth of a diffraction-quality crystal. Screening these conditions requires the assessment of many crystallization plates for the presence of crystals. Automated systems for screening and imaging are very expensive. A simple approach to imaging trace fluorescently labeled protein crystals in crystallization plates has been devised, and can be implemented at a cost as low as $50. The proteins β-lactoglobulin B, trypsin and purified concanavalin A (ConA) were trace fluorescently labeled using three different fluorescent probes: Cascade Yellow (CY), Carboxyrhodamine 6G (CR) and Pacific Blue (PB)...
December 1, 2017: Acta Crystallographica. Section F, Structural Biology Communications
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