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https://www.readbyqxmd.com/read/28518006/cooling-effects-of-wearer-controlled-vaporization-for-extravehicular-activity
#1
Kunihiko Tanaka, Daiki Nagao, Kosuke Okada, Koji Nakamura
INTRODUCTION: The extravehicular activity suit currently used by the United States in space includes a liquid cooling and ventilation garment (LCVG) that controls thermal conditions. Previously, we demonstrated that self-perspiration for evaporative cooling (SPEC) garment effectively lowers skin temperature without raising humidity in the garment. However, the cooling effect is delayed until a sufficient dose of water permeates and evaporates. In the present study, we hypothesized that wearer-controlled vaporization improves the cooling effect...
April 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28502098/-fix-me-another-marguerite-species-delimitation-in-a-group-of-intensively-hybridising-lineages-of-ox-eye-daisies-leucanthemum-mill-compositae-anthemideae
#2
Florian Wagner, Sabine Härtl, Robert Vogt, Christoph Oberprieler
Delineating species boundaries in the framework of the multi-species coalescent (MSC) proves to be a reliable, objective, and reproducible method in an increasing number of studies. However, the underlying model assumes the lack of gene flow after speciation; an assumption which may be frequently violated in plant evolution. The present study evaluates the robustness of currently available species delimitation methods implemented in beast (BFD, BFD*, and dissect) in the closely-knit ox-eye daisy group around Leucanthemum ageratifolium Pau...
May 14, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28499150/effect-of-yarn-structure-on-wicking-and-its-impact-on-bloodstain-pattern-analysis-bpa-on-woven-cotton-fabrics
#3
Xingyu Li, Jingyao Li, Stephen Michielsen
Bloodstain pattern analysis (BPA) of bloodstains on hard, non-porous surfaces has found widespread use in crime scene analysis and reconstruction for violent crimes in which bloodshed occurs. At many violent crime scenes, bloody clothing is also found and may be analyzed. However, to date, there are no definitive methods for analyzing bloodstains on textiles, even for simple drip stains. There are two major classes of textiles used for apparel and household textiles, weaves and knits. In this article, drip stains on two 100% cotton plain weave fabrics representative of bed sheets are analyzed...
April 27, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28496085/-graft-pseudoaneurysm-after-ascending-to-abdominal-aorta-bypass-for-atypical-coarctation-due-to-aortitis-syndrome-report-of-a-case
#4
Masashi Yada, Kazuo Yamanaka, Senri Miwa, Keiichi Hirose, Hisashi Sakaguchi, Yukiyo Yoshida, Youhei Onga, Yuichi Tara
We present a case of a 44-year-old woman, with pseudoaneurysm formation at the middle of the prosthetic graft, 60 mm in diameter. She had been diagnosed with atypical coarctation due to aortitis 27 years before, and had undergone a bypass operation with 14 mm-diameter Cooley double velour graft from the ascending aorta to the abdominal aorta. This time, endovascular aortic repair was performed to prevent rupture of the pseudoaneurysm. Though a knitted Dacron graft has a risk of psuedaneurysm formation long patency could be obtained when used in ascending aorta-abdominal aorta bypass...
May 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28479694/emperipolesis-entosis-and-cell-cannibalism-demystifying-the-cloud
#5
REVIEW
Nidhi Gupta, Kiran Jadhav, Vandana Shah
There are intense published data in literature related to cell engulfment phenomena such as emperipolesis, entosis and cell cannibalism. All these are closely related phenomena with a very fine line of differences. Its correct identification has a significant diagnostic and prognostic value. After extensive literature search, a gap of knowledge was found in concept designing and clarity about understanding of aforementioned terminologies. The authors have attempted to review data of these closely knit terminologies and further organize its characteristic appearances, pathogenetic aspects and prognostic implications...
January 2017: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/28467217/improving-patient-concordance-in-lymphoedema-management-with-softfit-technology
#6
Dawn Heal
Lymphoedema and chronic oedema patients are cared for by all members of the community nursing team. Without knowledge and understanding of how to improve the condition, nurses feel under immense pressure in caring for their patients. Compression garments are the mainstay of treatment in the 'maintenance phase' (long-term management phase) of lymphoedema and chronic oedema ( Lymphoedema Framework, 2006 ). Choosing the most appropriate garment for the patient, providing adequate compression and controlling the oedema, is challenging...
May 1, 2017: British Journal of Community Nursing
https://www.readbyqxmd.com/read/28435866/layered-microporous-polymers-by-solvent-knitting-method
#7
Shaolei Wang, Chengxin Zhang, Yu Shu, Shulan Jiang, Qi Xia, Linjiang Chen, Shangbin Jin, Irshad Hussain, Andrew I Cooper, Bien Tan
Two-dimensional (2D) nanomaterials, especially 2D organic nanomaterials with unprecedentedly diverse and controlled structure, have attracted decent scientific interest. Among the preparation strategies, the top-down approach is one of the considered low-cost and scalable strategies to obtain 2D organic nanomaterials. However, some factors of their layered counterparts limited the development and potential applications of 2D organic nanomaterials, such as type, stability, and strict synthetic conditions of layered counterparts...
March 2017: Science Advances
https://www.readbyqxmd.com/read/28429380/research-on-micro-damage-behavior-of-wool-fabrics-drying-in-domestic-dryer
#8
Yuhui Wei, Xu Wang, Zhaowei Su, Xuemei Ding
To evaluate the performance degradation of fabric drying in domestic air-vented dryer, the appearance, mechanical, and microscopic properties of the wool fabric after different drying cycles were studied. Pilling and dimensional stability tests were performed according to established international standards. Microscopic studies were carried out by Scanning Electron Microscopy (SEM) and X-ray (XRD). The results show that pilling is the dominant damage mechanism and gradually increased during lower number of drying cycles (0-10 cycles)...
April 21, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28409557/randomised-controlled-trial-of-silk-therapeutic-garments-for-the-management-of-atopic-eczema-in-children-the-clothes-trial
#9
Kim S Thomas, Lucy E Bradshaw, Tracey H Sach, Fiona Cowdell, Jonathan M Batchelor, Sandra Lawton, Eleanor F Harrison, Rachel H Haines, Amina Ahmed, Taraneh Dean, Nigel P Burrows, Ian Pollock, Hannah K Buckley, Hywel C Williams, Joanne Llewellyn, Clare Crang, Jane D Grundy, Juliet Guiness, Andrew Gribbin, Eileen V Wake, Eleanor J Mitchell, Sara J Brown, Alan A Montgomery
BACKGROUND: Atopic eczema (AE) is a chronic, itchy, inflammatory skin condition that affects the quality of life of children and their families. The role of specialist clothing in the management of AE is poorly understood. OBJECTIVES: To assess the effectiveness and cost-effectiveness of silk garments for the management of AE in children with moderate to severe disease. DESIGN: Parallel-group, observer-blind, randomised controlled trial of 6 months' duration, followed by a 2-month observational period...
April 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28358280/comparison-of-autologous-allogeneic-and-cell-free-scaffold-approaches-for-engineered-tendon-repair-in-a-rabbit-model-a-pilot-study
#10
Wenbo Wang, Dan Deng, Bin Wang, Guangdong Zhou, Wen Jie Zhang, Yilin Cao, Peihua Zhang, Wei Liu
Tendons are subjected to high strength dynamic mechanical forces in vivo. Mechanical strength is an essential requirement for tendon scaffold materials. A composite scaffold was employed in this study to provide mechanical strength, which was composed of an inter part of nonwoven PGA (polyglicolic acid) fibers, and an outer part of the net knitted with PGA and PLA (polylactic acid) fibers in a ratio of 4:2. This study compared three different approaches for in vivo tendon engineering, i.e. cell-free scaffold, allogeneic and autologous cell seeded scaffolds, using a rabbit Achilles tendon repair model...
March 30, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28347205/preparation-of-collagen-polyurethane-knitted-silk-as-a-composite-scaffold-for-tendon-tissue-engineering
#11
Maryam Sharifi-Aghdam, Reza Faridi-Majidi, Mohammad Ali Derakhshan, Arash Chegeni, Mahmoud Azami
The main objective of this study was to prepare a hybrid three-dimensional scaffold that mimics natural tendon tissues. It has been found that a knitted silk shows good mechanical strength; however, cell growth on the bare silk is not desirable. Hence, electrospun collagen/polyurethane combination was used to cover knitted silk. A series of collagen and polyurethane solutions (4%-7% w/v) in aqueous acetic acid were prepared and electrospun. According to obtained scanning electron microscopy images from pure collagen and polyurethane nanofibers, concentration was set constant at 5% (w/v) for blend solutions of collagen/polyurethane...
March 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28346850/risk-factors-related-to-lower-limb-edema-compression-and-physical-activity-during-pregnancy-a-retrospective-study
#12
Katarzyna Ochalek, Katarzyna Pacyga, Marta Curyło, Aleksandra Frydrych-Szymonik, Zbigniew Szygula
OBJECTIVE: The aim of the article was to assess risk factors and to analyze methods applied in the prevention and treatment of lower limb edema in pregnant women with a particular focus on compression therapy and exercise. MATERIALS AND METHODS: Fifty-four women during the early 24-hour period following delivery were assigned to two groups-either to a group with swellings of lower limbs during pregnancy, located mostly in the region of feet and lower legs (Group A, n = 42), or to a group without edema (Group B, n = 12)...
March 27, 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28345872/intrinsically-stretchable-and-conductive-textile-by-a-scalable-process-for-elastic-wearable-electronics
#13
Chunya Wang, Mingchao Zhang, Kailun Xia, Xueqin Gong, Huimin Wang, Zhe Yin, Baolu Guan, Yingying Zhang
The prosperous development of stretchable electronics poses a great demand on stretchable conductive materials that could maintain their electrical conductivity under tensile strain. Previously reported strategies to obtain stretchable conductors usually involve complex structure-fabricating processes or utilization of high-cost nanomaterials. It remains a great challenge to produce stretchable and conductive materials via a scalable and cost-effective process. Herein, a large-scalable pyrolysis strategy is developed for the fabrication of intrinsically stretchable and conductive textile in utilizing low-cost and mass-produced weft-knitted textiles as raw materials...
April 6, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28344849/developing-asbestos-job-exposure-matrix-using-occupation-and-industry-specific-exposure-data-1984-2008-in-republic-of-korea
#14
Sangjun Choi, Dongmug Kang, Donguk Park, Hyunhee Lee, Bongkyoo Choi
BACKGROUND: The goal of this study is to develop a general population job-exposure matrix (GPJEM) on asbestos to estimate occupational asbestos exposure levels in the Republic of Korea. METHODS: Three Korean domestic quantitative exposure datasets collected from 1984 to 2008 were used to build the GPJEM. Exposure groups in collected data were reclassified based on the current Korean Standard Industrial Classification (9(th) edition) and the Korean Standard Classification of Occupations code (6(th) edition) that is in accordance to international standards...
March 2017: Safety and Health At Work
https://www.readbyqxmd.com/read/28333873/knitting-as-a-promising-pain-self-management-strategy-for-older-women-with-osteoarthritis-of-the-hand
#15
Lucie Brosseau, Guillaume Léonard
No abstract text is available yet for this article.
April 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28326629/solvent-controlled-phase-transition-of-a-co-ii-organic-framework-from-achiral-to-chiral-and-two-to-three-dimensions
#16
Xing-Po Wang, Wen-Miao Chen, Hao Qi, Xiao-Yi Li, Cyril Rajnák, Zhen-Yu Feng, Mohamedally Kurmoo, Roman Boča, Chun-Jiang Jia, Chen-Ho Tung, Di Sun
An unprecedented reversible dynamic transformation is reported in a metal-organic framework involving bond formation, which is accompanied by two important structural changes; achiral to chiral and two- to three-dimensions. Using two bent organic ligands (diimpym=4,6-di(1H-imidazol-1-yl)pyrimidine; H2 npta=5-nitroisophthalic acid) and Co(II) (NO3 )2 ⋅6 H2 O the coordination polymer Co(diimpym)(npta)⋅CH3 OH, (1⋅CH3 OH), was obtained solvothermally. Its structure consists of knitted pairs of square layers (4(4) -sql net) of five-coordinated Co and disordered methanol, and it crystallized in the achiral Pbca space group at room temperature...
March 21, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28274765/engineering-mechanical-gradients-in-next-generation-biomaterials-lessons-learned-from-medical-textile-design
#17
Joanna L Ng, Ciara E Collins, Melissa L Knothe Tate
Nonwoven and textile membranes have been applied both externally and internally to prescribe boundary conditions for medical conditions as diverse as oedema and tissue defects. Incorporation of mechanical gradients in next generation medical membrane design offers great potential to enhance function in a dynamic, physiological context. Yet the gradient properties and resulting mechanical performance of current membranes are not well described. To bridge this knowledge gap, we tested and compared the mechanical properties of bounding membranes used in both external (compression sleeves for oedema, exercise bands) and internal (surgical membranes) physiological contexts...
March 5, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28269638/intarsia-sensorized-band-and-textrodes-for-real-time-myoelectric-pattern-recognition
#18
Shannon Brown, Max Ortiz-Catalan, Joel Petersson, Kristian Rodby, Fernando Seoane
Surface Electromyography (sEMG) has applications in prosthetics, diagnostics and neuromuscular rehabilitation. Self-adhesive Ag/AgCl are the electrodes preferentially used to capture sEMG in short-term studies, however their long-term application is limited. In this study we designed and evaluated a fully integrated smart textile band with electrical connecting tracks knitted with intarsia techniques and knitted textile electrodes. Real-time myoelectric pattern recognition for motor volition and signal-to-noise ratio (SNR) were used to compare its sensing performance versus the conventional Ag-AgCl electrodes...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269634/investigation-of-changes-in-the-electrical-properties-of-novel-knitted-conductive-textiles-during-cyclic-loading
#19
Cristina Isaia, Donal McNally, Simon A McMaster, David T Branson
Combining stainless steel with polyester fibres adds an attractive conductive behaviour to the yarn. Once knitted in such a manner, fabrics develop sensing properties that make the textiles, also known as e-textiles, suitable for smart/wearable applications. Structural deformations of the fibres (e.g. stretching) will cause changes in the conductivity of the fabric. This work investigates changes in the electrical properties exhibited by four knitted conductive textiles made of 20% stainless steel and 80% polyester fibres during cyclic loading...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28263939/association-between-physician-teamwork-and-health-system-outcomes-after-coronary-artery-bypass-grafting
#20
John M Hollingsworth, Russell J Funk, Spencer A Garrison, Jason Owen-Smith, Samuel A Kaufman, Francis D Pagani, Brahmajee K Nallamothu
BACKGROUND: Patients undergoing coronary artery bypass grafting (CABG) must often see multiple providers dispersed across many care locations. To test whether teamwork (assessed with the bipartite clustering coefficient) among these physicians is a determinant of surgical outcomes, we examined national Medicare data from patients undergoing CABG. METHODS AND RESULTS: Among Medicare beneficiaries who underwent CABG between 2008 and 2011, we mapped relationships between all physicians who treated them during their surgical episodes, including both surgeons and nonsurgeons...
November 2016: Circulation. Cardiovascular Quality and Outcomes
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