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https://www.readbyqxmd.com/read/28222391/a-clinically-applicable-non-invasive-method-to-quantitatively-assess-the-visco-hyperelastic-properties-of-human-heel-pad-implications-for-assessing-the-risk-of-mechanical-trauma
#1
Sara Behforootan, Panagiotis E Chatzistergos, Nachiappan Chockalingam, Roozbeh Naemi
INTRODUCTION: Pathological conditions such as diabetic foot and plantar heel pain are associated with changes in the mechanical properties of plantar soft tissue. However, the causes and implications of these changes are not yet fully understood. This is mainly because accurate assessment of the mechanical properties of plantar soft tissue in the clinic remains extremely challenging. PURPOSE: To develop a clinically viable non-invasive method of assessing the mechanical properties of the heel pad...
February 9, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28222385/the-effects-of-autohydrolysis-pretreatment-on-the-structural-characteristics-adsorptive-and-catalytic-properties-of-the-activated-carbon-prepared-from-eucommia-ulmoides-oliver-based-on-a-biorefinery-process
#2
Ming-Qiang Zhu, Zhi-Wen Wang, Jia-Long Wen, Ling Qiu, Ya-Hong Zhu, Yin-Quan Su, Qin Wei, Run-Cang Sun
Eucommia ulmoides Oliver (EU) wood was consecutively treated by autohydrolysis pretreatment and chemical carbonization post-treatment based on a biorefinery process. Results showed that the optimal condition of the autohydrolysis pretreatment and carbonization process yielded 10.37kg xylooligosaccharides (XOS), 1.39kg degraded hemicellulosic products, 17.29kg other degraded products from hemicelluloses and 40.72kg activated carbon (SBET of 1534.06m(2)/g) from the 100kg raw materials. Simultaneously, 29.14kg gas products generated from the optimum integrated process was significantly lower than that from the direct carbonization process (68...
February 11, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28222384/direct-catalytic-production-of-sorbitol-from-waste-cellulosic-materials
#3
Lucília Sousa Ribeiro, José J de Melo Órfão, Manuel Fernando Ribeiro Pereira
Cotton wool, cotton textile, tissue paper and printing paper, all potential waste cellulosic materials, were directly converted to sorbitol using a Ru/CNT catalyst in the presence of H2 and using only water as solvent, without any acids. Conversions up to 38% were attained for the raw substrates, with sorbitol yields below 10%. Ball-milling of the materials disrupted their crystallinity, allowing reaching 100% conversion of cotton wool, cotton textile and tissue paper after 4h, with sorbitol yields around 50%...
February 8, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28222352/status-of-pharmaceuticals-in-african-water-bodies-occurrence-removal-and-analytical-methods
#4
REVIEW
Lawrence Mzukisi Madikizela, Nikita Tawanda Tavengwa, Luke Chimuka
In this review paper, the milestones and challenges that have been achieved and experienced by African Environmental Scientists regarding the assessment of water pollution caused by the presence of pharmaceutical compounds in water bodies are highlighted. The identification and quantification of pharmaceuticals in the African water bodies is important to the general public at large due to the lack of information. The consumption of pharmaceuticals to promote human health is usually followed by excretion of these drugs via urine or fecal matter due to their slight transformation in the human metabolism...
February 18, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28222294/cell-biology-narrowing-the-great-divide
#5
Sidney L Shaw
Construction of the cell plate during plant cell division requires the precise insertion of materials around the circumferentially growing phragmoplast. New work shows that two kinesin-4 motor proteins act to shorten the domain of overlapping microtubules at the phragmoplast perimeter, limiting the site of material deposition.
February 20, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28222264/graphene-ink-laminate-structures-on-polyvinylidene-difluoride-pvdf-for-pyroelectric-thermal-energy-harvesting-and-waste-heat-recovery
#6
Daniel Zabek, Kris Seunarine, Chris Spacie, Chris R Bowen
Thermal energy can be effectively converted into electricity using pyroelectrics, which act as small scale power generator and energy harvesters providing nW to mW of electrical power. In this paper, a novel pyroelectric harvester based on free standing polyvinilidene difluoride (PVDF) was manufactured that exploits the high thermal radiation absorbance of a screen printed graphene-ink electrode structure to facilitate the conversion of the available thermal radiation energy into electrical energy. The interconnected graphene nanoplatelets (GNPs) enable high thermal radiation absorbance and high electrical conductivity along with the ease of deposition using a screen print technique...
February 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28222259/band-alignment-at-gan-single-layer-wse2-interface
#7
Malleswararao Tangi, Pawan Mishra, Chien-Chih Tseng, Tien Khee Ng, Mohamed Nejib Hedhili, Dalaver H Anjum, Mohd Sharizal Alias, Nini Wei, Lain-Jong Li, Boon S Ooi
We study the band discontinuity at the GaN/single-layer (SL) WSe2 heterointerface. The GaN thin layer is epitaxially grown by molecular beam epitaxy on chemically vapor deposited SL-WSe2/c-sapphire. We confirm that the WSe2 was formed as an SL from structural and optical analyses using atomic force microscopy, scanning transmission electron microscopy, micro-Raman, absorbance, and micro-photoluminescence spectra. The determination of band offset parameters at the GaN/SL-WSe2 heterojunction is obtained by high-resolution x-ray photoelectron spectroscopy, electron affinities and the electronic bandgap values of SL-WSe2 and GaN...
February 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28222258/a-simple-and-large-scale-strategy-to-prepare-flexible-graphene-tape-electrode
#8
Li Wang, Jie Yu, Yayun Zhang, Han Yang, Longfei Miao, Yonghai Song
A simple and large-scale strategy to prepare flexible graphene tape electrode (GTE) was proposed. The flexible GTE was prepared by a facile peeling method in which a piece of commercial graphite foil was firstly covered by a commercial acrylic transparent tape and then the transparent adhesive tape was quickly torn off from the graphite foil. Scanning electron microscopy results showed that some folded and wrinkled graphene layers stood up on the GTE surface to form three-dimensional (3D) porous graphene foam...
February 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28222209/effect-of-different-intermediary-bases-on-microleakage-of-a-restorative-material-in-class-ii-box-cavities-of-primary-teeth
#9
Faika Y Abdelmegid, Fouad S Salama, Waleed M Al-Mutairi, Saud K Al-Mutairi, Sultan O Baghazal
INTRODUCTION: The aim of this in vitro study was to assess and compare the effect of different intermediary bases on microleakage between tooth and a nanocomposite interface in Class II box cavities in primary teeth. METHODS: Standard Class II box cavities were prepared in 52 primary molars and randomly divided into 9 groups according to the intermediary base used (Multicore Flow, Fuji II LC, SDR, Smart Dentin Replacement, and Biodentine). All specimens were subjected to thermocycling and prepared for microleakage testing and evaluation...
February 21, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28222194/forecasting-outpatient-visits-using-empirical-mode-decomposition-coupled-with-back-propagation-artificial-neural-networks-optimized-by-particle-swarm-optimization
#10
Daizheng Huang, Zhihui Wu
Accurately predicting the trend of outpatient visits by mathematical modeling can help policy makers manage hospitals effectively, reasonably organize schedules for human resources and finances, and appropriately distribute hospital material resources. In this study, a hybrid method based on empirical mode decomposition and back-propagation artificial neural networks optimized by particle swarm optimization is developed to forecast outpatient visits on the basis of monthly numbers. The data outpatient visits are retrieved from January 2005 to December 2013 and first obtained as the original time series...
2017: PloS One
https://www.readbyqxmd.com/read/28222169/decellularized-wharton-s-jelly-from-human-umbilical-cord-as-a-novel-3d-scaffolding-material-for-tissue-engineering-applications
#11
Sushma Jadalannagari, Gabriel Converse, Christopher McFall, Eric Buse, Michael Filla, Maria T Villar, Antonio Artigues, Adam J Mellot, Jinxi Wang, Michael S Detamore, Richard A Hopkins, Omar S Aljitawi
In tissue engineering, an ideal scaffold attracts and supports cells thus providing them with the necessary mechanical support and architecture as they reconstruct new tissue in vitro and in vivo. This manuscript details a novel matrix derived from decellularized Wharton's jelly (WJ) obtained from human umbilical cord for use as a scaffold for tissue engineering application. This decellularized Wharton's jelly matrix (DWJM) contained 0.66 ± 0.12 μg/mg sulfated glycosaminoglycans (GAGs), and was abundant in hyaluronic acid, and completely devoid of cells...
2017: PloS One
https://www.readbyqxmd.com/read/28222094/housing-improvements-and-malaria-risk-in-sub-saharan-africa-a-multi-country-analysis-of-survey-data
#12
Lucy S Tusting, Christian Bottomley, Harry Gibson, Immo Kleinschmidt, Andrew J Tatem, Steve W Lindsay, Peter W Gething
BACKGROUND: Improvements to housing may contribute to malaria control and elimination by reducing house entry by malaria vectors and thus exposure to biting. We tested the hypothesis that the odds of malaria infection are lower in modern, improved housing compared to traditional housing in sub-Saharan Africa (SSA). METHODS AND FINDINGS: We analysed 15 Demographic and Health Surveys (DHS) and 14 Malaria Indicator Surveys (MIS) conducted in 21 countries in SSA between 2008 and 2015 that measured malaria infection by microscopy or rapid diagnostic test (RDT)...
February 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28222090/ehealth-literacy-and-partner-involvement-in-treatment-decision-making-for-men-with-newly-diagnosed-localized-prostate-cancer
#13
Lixin Song, Kimberly Tatum, Giselle Greene, Ronald C Chen
PURPOSE/OBJECTIVES: To examine how the eHealth literacy of partners of patients with newly diagnosed prostate cancer affects their involvement in decision making, and to identify the factors that influence their eHealth literacy.
. DESIGN: Cross-sectional exploratory study.
. SETTING: North Carolina.
. SAMPLE: 142 partners of men with newly diagnosed localized prostate cancer. 
. METHODS: A telephone survey and descriptive and multiple linear regression analyses were used...
March 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/28222067/designation-and-validation-of-a-posterior-anatomical-plate-for-the-anterior-column-of-the-acetabulum
#14
Lifeng Zhang, Chuangxin Lin, Shenglu Cao, Yiran Wang, Geng Peng, Yongqiang Xu, Yongzeng Feng, Gang Wang
BACKGROUND Surgical treatment of acetabular fractures is one of the greatest challenges for orthopedic surgeons. Fixation of most displaced fractures requires extensive exposure, which may lead to complications, including blood loss, neural or vascular injury, postoperative infection, wound healing problems, and heterotopic bone formation. MATERIAL AND METHODS This study was conducted to certify an anatomic plate with an anterior column lag screw guiding device to repair the posterior acetabulum. Complete pelvic spiral computed tomography (CT) scan data were collected from 56 patients...
February 21, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28222013/serum-triglyceride-measurements-the-commutability-of-reference-materials-and-the-accuracy-of-results
#15
Qinghui Meng, Weiyan Zhou, Chuanbao Zhang, Jie Zeng, Haijian Zhao, Tianjiao Zhang, Donghuan Wang, Jiangtao Zhang, Ying Yan, Wenxiang Chen
Background We aimed to evaluate the commutability of external quality assessment (EQA) materials, aqueous solutions, and commercial reference materials (calibrators and controls), and the accuracy of routine systems for serum triglyceride measurements. Methods According to the clinical and laboratory standards institute (CLSI) EP14-A3 protocol, we analyzed 43 fresh patient specimens and 32 processed materials including lyophilized samples, human serum pools, liquid reagents, swine sera and aqueous solutions by 14 routine methods (evaluated methods) and an isotope dilution liquid chromatography tandem mass spectrometry method (ID-LC/MS/MS) (comparative method)...
February 21, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28221974/evaluation-of-a-surface-sampling-method-for-recovery-of-human-noroviruses-prior-to-detection-using-reverse-transcription-quantitative-pcr
#16
Grace Tung-Thompson, Blanca I Escudero-Abarca, Janie Outlaw, Arnaud Ganee, Sylvanie Cassard, Claude Mabilat, Lee-Ann Jaykus
Human noroviruses are the most common cause of acute viral gastroenteritis, and the environmental persistence of these viruses contributes to their transmissibility. Environmental sampling is thus an important tool for investigating norovirus outbreaks and for assessing the effectiveness of cleaning and decontamination regimens. The purpose of this study was to evaluate a sampling material (wipes) for their efficacy at recovering human norovirus from hard surfaces and foods. Dilutions of a human norovirus GII...
February 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28221971/characterizing-salmonella-contamination-in-two-rendering-processing-plants
#17
Chao Gong, Xiuping Jiang
A microbiological investigation on Salmonella contamination was conducted in two U.S. rendering plants to investigate the potential cross-contamination of Salmonella in the rendering processing environment. Sampling locations were predetermined at the areas where Salmonella contamination may potentially occur, including raw materials receiving, crax (rendered materials before grinding process) grinding, and finished meal loading-out areas. Salmonella was either enumerated directly on xylose lysine Tergitol 4 agar plates or enriched in Rappaport-Vassiliadis and tetrathionate broths...
February 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28221957/ochratoxin-a-concentrations-in-a-variety-of-grain-based-and-non-grain-based-foods-on-the-canadian-retail-market-from-2009-to-2014
#18
Beata Kolakowski, Sarah M O'Rourke, Henri P Bietlot, Karl Kurz, Barbara Aweryn
The extent of ochratoxin A (OTA) contamination of domestically produced foods sold across Canada was determined from 2009 to 2014 with sampling and testing occurring each fiscal year. Cereal-based, fruit-based, and soy-based food samples (n = 6,857) were analyzed. Almost half of the samples (3,200; 47%) did not contain detectable concentrations of OTA. The remaining 3,657 samples contained OTA at 0.040 to 631 ng/g. Wheat, oats, milled products of other grains (such as rye and buckwheat), and to a lesser extent corn products and their derived foods were the most significant potential sources of OTA exposure for the Canadian population...
December 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221929/risk-of-cross-contact-for-gluten-free-pizzas-in-shared-production-restaurants-in-relation-to-oven-cooking-procedures
#19
Olimpia Vincentini, Martina Izzo, Francesca Maialetti, Elena Gonnelli, Susanna Neuhold, Marco Silano
To allow celiac patients to have meals out, a growing number of restaurants and pizzas houses that simultaneously provide gluten-free (GF) pizzas and wheat-based (WB) pizzas have recently been opened in Italy. In these restaurants, GF pizzas are prepared with GF raw materials, following procedures that minimize the risk of gluten cross-contact. Here, we evaluate the risk of gluten cross-contact of GF pizzas in relation to the preparation procedures, thus aiming at identifying a safe procedure for cooking GF pizzas...
September 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221928/rapid-identification-of-shiga-toxin-producing-escherichia-coli-o-serogroups-from-fresh-produce-and-raw-milk-enrichment-cultures-by-luminex-bead-based-suspension-array
#20
Julie A Kase, Anna Maounounen-Laasri, Andrew Lin
The U.S. Food and Drug Administration's Bacteriological Analytical Manual (BAM) Chapter 4a describes a Luminex microbead-based suspension array used to screen colonies for 11 clinically relevant Shiga toxin-producing Escherichia coli (STEC) serogroups: O26, O45, O91, O103, O104, O111, O113, O121, O128, O145, and O157. We evaluated the usefulness of this method to identify STEC-positive enrichment samples before agar plating. Twelve E. coli strains were added to three types of fresh produce (bagged baby spinach, alfalfa sprouts, and cilantro) at levels near the detection limit of the test...
September 2016: Journal of Food Protection
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