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https://www.readbyqxmd.com/read/29772756/developing-an-acoustic-sensing-yarn-for-health-surveillance-in-a-military-setting
#1
Theodore Hughes-Riley, Tilak Dias
Overexposure to high levels of noise can cause permanent hearing disorders, which have a significant adverse effect on the quality of life of those affected. Injury due to noise can affect people in a variety of careers including construction workers, factory workers, and members of the armed forces. By monitoring the noise exposure of workers, overexposure can be avoided and suitable protective equipment can be provided. This work focused on the creation of a noise dosimeter suitable for use by members of the armed forces, where a discrete dosimeter was integrated into a textile helmet cover...
May 17, 2018: Sensors
https://www.readbyqxmd.com/read/29767726/the-role-of-ethics-in-data-governance-of-large-neuro-ict-projects
#2
Bernd Carsten Stahl, Stephen Rainey, Emma Harris, B Tyr Fothergill
Objective: We describe current practices of ethics-related data governance in large neuro-ICT projects, identify gaps in current practice, and put forward recommendations on how to collaborate ethically in complex regulatory and normative contexts. Methods: We undertake a survey of published principles of data governance of large neuro-ICT projects. This grounds an approach to a normative analysis of current data governance approaches. Results: Several ethical issues are well covered in the data governance policies of neuro-ICT projects, notably data protection and attribution of work...
May 14, 2018: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/29757529/fiber-based-scaffolding-techniques-for-tendon-tissue-engineering
#3
REVIEW
Yang Wu, Yi Han, Yoke San Wong, Jerry Ying Hsi Fuh
Tendon refers to a band of tough, regularly arranged and connective tissue connecting muscle and bone, transferring strength from muscle to bone, and enabling articular stability and movement. The limitations of natural tendon grafts motivate the scaffold-based tissue engineering (TE) approaches, which aim to build patient-specific biological substitutes that can repair the damaged or diseased tissues. Advances in engineering and knowledge of chemistry and biology have brought forth numerous fiber-based technologies, including electrospinning, electrohydrodynamic jet printing, electrochemical alignment technique and other fiber-assembly technologies, which enable the fabrication of tendon tissue structure in three-dimension...
May 14, 2018: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29748505/textile-based-interdigital-capacitive-soft-strain-sensor-for-wearable-applications
#4
Ozgur Atalay
The electronic textile area has gained considerable attention due to its implementation of wearable devices, and soft sensors are the main components of these systems. In this paper, a new sensor design is presented to create stretchable, capacitance-based strain sensors for human motion tracking. This involves the use of stretchable, conductive-knit fabric within the silicone elastomer matrix, as interdigitated electrodes. While conductive fabric creates a secure conductive network for electrodes, a silicone-based matrix provides encapsulation and dimensional-stability to the structure...
May 10, 2018: Materials
https://www.readbyqxmd.com/read/29732558/a-novel-cell-permeable-collagen-based-membrane-promotes-fibroblast-migration
#5
R Sadeghi, P Mahdavi, W S Lee, B Quan, E Sone, B Ganss, C A McCulloch
BACKGROUND AND OBJECTIVE: Growth factors are frequently incorporated into scaffolds to promote periodontal regeneration but many currently used scaffolds do not encourage cell migration towards the dentogingival junction. We examined the proliferation and migration of human gingival fibroblasts in a novel, physically robust, collagen-Vicryl™ membrane loaded with fibronectin (FN) and/or insulin-like growth factor (IGF-I). Biocompatibility of the membranes was evaluated in rat dorsal skin...
May 6, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29677956/establishing-a-nation-wide-infrastructure-for-systematic-use-of-patient-reported-information
#6
Sanne Jensen, Karen Marie Lyng
In Denmark, we have set up a program to establish a nationwide infrastructure for Patient Reported Outcome (PRO) questionnaires. The effort is divided into an IT infrastructure part and a questionnaire development part. This paper describes how development and evaluation are closely knit together in the two tracks, as complexity is high in the PRO field and IT infrastructure, legal issues, various clinical workflows and the numerous stakeholders have to be taken into account concurrently. In the design process, we have thus used a participatory design approach to ensure a high level of active stakeholder involvement and capability of addressing all the relevant issues...
2018: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/29671584/tailored-polyproteins-using-sequential-staple-and-cut
#7
Surbhi Garg, Gayathri S Singaraju, Sunanda Yengkhom, Sabyasachi Rakshit
Polyproteins, individual protein units joined covalently in tandem, have been evolved as a promising tool for measuring the dynamic folding of bio-macromolecules in single-molecule force spectroscopy. However, the synthetic routes of preparing polyproteins have been a bottleneck, and urge for developing in-vitro methods to knit individual protein units covalently into polyprotein. Employing two enzymes of orthogonal functionalities periodically in sequence, we synthesized monodispersed polyproteins on a solid surface...
April 19, 2018: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29628695/medical-textiles-in-orthopedics-an-overview
#8
REVIEW
Raju Vaishya, Amit Kumar Agarwal, Manish Tiwari, Abhishek Vaish, Vipul Vijay, Yash Nigam
The use of textile in the medical field is not new; this has given rise to a new branch known as medical textiles. These are being used to repair or replace various other musculoskeletal tissues. The most common uses of biomaterials are to create aseptic conditions for protection, general health care, and hygiene including bedding and clothing, surgical gowns, face masks, head and shoe covers, sterilization wraps, suture anchors, fiber cast and braces/orthotics. These are also used as materials for preparation of wipes, swabs, wound dressings, bandages, gauzes, plasters, pressure garments, orthopedic belts and for new applications, such as heart valves, vascular grafts, artificial veins, artificial ligaments, artificial joints, artificial skin, and artificial cartilage...
March 2018: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/29602620/full-chain-health-impact-assessment-of-traffic-related-air-pollution-and-childhood-asthma
#9
Haneen Khreis, Kees de Hoogh, Mark J Nieuwenhuijsen
BACKGROUND: Asthma is the most common chronic disease in children. Traffic-related air pollution (TRAP) may be an important exposure contributing to its development. In the UK, Bradford is a deprived city suffering from childhood asthma rates higher than national and regional averages and TRAP is of particular concern to the local communities. AIMS: We estimated the burden of childhood asthma attributable to air pollution and specifically TRAP in Bradford. Air pollution exposures were estimated using a newly developed full-chain exposure assessment model and an existing land-use regression model (LUR)...
March 24, 2018: Environment International
https://www.readbyqxmd.com/read/29579106/impact-of-nutritional-stress-on-drug-susceptibility-and-biofilm-structures-of-burkholderia-pseudomallei-and-burkholderia-thailandensis-grown-in-static-and-microfluidic-systems
#10
Chitchanok Anutrakunchai, Jan G M Bolscher, Bastiaan P Krom, Sakawrat Kanthawong, Sorujsiri Chareonsudjai, Suwimol Taweechaisupapong
Burkholderia pseudomallei is the causative agent of melioidosis and regarded as a bioterrorism threat. It can adapt to the nutrient-limited environment as the bacteria can survive in triple distilled water for 16 years. Moreover, B. pseudomallei exhibits intrinsic resistance to diverse groups of antibiotics in particular while growing in biofilms. Recently, nutrient-limited condition influenced both biofilm formation and ceftazidime (CAZ) tolerance of B. pseudomallei were found. However, there is no information about how nutrient-limitation together with antibiotics used in melioidosis treatment affects the structure of the biofilm produced by B...
2018: PloS One
https://www.readbyqxmd.com/read/29537944/the-effect-of-dynamic-friction-with-wet-fabrics-on-skin-wetness-perception
#11
Zhaohua Zhang, Xiangning Tang, Jun Li, Wenyi Yang
PURPOSE: To investigate the effect of cold stimulation (contacting wet fabric) and tactile stimulation (dynamic friction) on skin wetness perception: 1) wetness perception of fabric with different water transfer performance; 2) wetness perception of fabric with different water content; 3) wetness perception of fabric at different friction velocity with skin. METHODS: Twenty participants were screened as reliable assessors using a 7-point wetness rating scale. The dynamic friction between skin and fabric was simulated by a self-made device with adjustable speed controller...
March 14, 2018: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/29535924/characterization-of-silk-poly-3-hydroxybutyrate-chitosan-multi-walled-carbon-nanotube-micro-nano-scaffold-a-new-hybrid-scaffold-for-tissue-engineering-applications
#12
Mohammad Hossein Mirmusavi, Saeed Karbasi, Dariush Semnani, Anousheh Zargar Kharazi
Background: Long-term healing tissue engineering scaffolds must hold its full mechanical strength at least for 12 weeks. Nano-micro scaffolds consist of electrospinning nanofibers and textile microfibers to support cell behavior and mechanical strength, respectively. Methods: The new nano-micro hybrid scaffold was fabricated by electrospinning poly 3-hydroxybutyrate-chitosan-multi-walled carbon nanotube (MWNT functionalized by COOH) solution on knitted silk in a random manner with different amounts of MWNT...
January 2018: Journal of Medical Signals and Sensors
https://www.readbyqxmd.com/read/29523246/electrospun-polystyrene-fibers-knitted-around-imprinted-acrylate-microspheres-as-sorbent-for-paraben-derivatives
#13
M Demirkurt, Y A Olcer, M M Demir, A E Eroglu
Parabens are used as antimicrobial preservatives in food, cosmetic products and pharmaceuticals regardless of their endocrine disrupting effect. In this study, highly selective molecular imprinted polymers (MIPs) were synthesized in submicron-sizes and converted to an SPME fiber coating through electrospinning process in order to determine parabens in water samples. Conversion of MIP to a fiber is achieved via creation of spacial knitting around MIP by polystyrene. The selectivity and extraction ability of the fibers were compared with the commercial fibers and the corresponding non-imprinted polymer (NIP) coated fiber...
July 19, 2018: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29521501/melding-vapor-phase-organic-chemistry-and-textile-manufacturing-to-produce-wearable-electronics
#14
Trisha L Andrew, Lushuai Zhang, Nongyi Cheng, Morgan Baima, Jae Joon Kim, Linden Allison, Steven Hoxie
Body-mountable electronics and electronically active garments are the future of portable, interactive devices. However, wearable devices and electronic garments are demanding technology platforms because of the large, varied mechanical stresses to which they are routinely subjected, which can easily abrade or damage microelectronic components and electronic interconnects. Furthermore, aesthetics and tactile perception (or feel) can make or break a nascent wearable technology, irrespective of device metrics...
April 17, 2018: Accounts of Chemical Research
https://www.readbyqxmd.com/read/29517346/endurance-with-partnership-a-preliminary-conceptual-framework-for-couples-undergoing-in-vitro-fertilisation-treatment
#15
Liying Ying, Lai Har Wu, Xiangli Wu, Jing Shu, Alice Yuen Loke
BACKGROUND/OBJECTIVES: Infertility affects both women and men in the physical, emotional, existential, and interpersonal realms. When couples seek in vitro fertilisation (IVF) treatment, they further suffer from the difficulties of the treatment and the uncertainty of its outcome. The aim of this study was to develop a preliminary conceptual framework for couples undergoing IVF treatment to give health professionals a better understanding of the experiences of such couples, and to guide the development of an intervention...
April 2018: Journal of Reproductive and Infant Psychology
https://www.readbyqxmd.com/read/29489739/from-cell-to-heart-the-impact-of-the-cell-organelles-dysfunction-on-heart-disease
#16
Angelos Tsipis, Anna M Athanassiadou, Emmanouil Petrou, Dimitris Miliopoulos, Pauline Athanassiadou, Nikolaos Kavantzas, George Athanassopoulos
: Cellular morphology reflects biologic behavior and activity of the tissue and of the organ also reflects the genetic and molecular biology of the cells themselves. This intermediary position places examination of the cell in a key role to our understanding of the innumerable processes that affect this closely knit chain, from molecules to host. A large volume of the cell is occupied by organelles that come in a variety of shapes and sizes. Organelles are dynamic to maintain homeostasis and adjust to the various functions of the cell...
April 2018: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/29484772/concise-review-regulatory-influence-of-sleep-and-epigenetics-on-adult-hippocampal-neurogenesis-and-cognitive-and-emotional-function
#17
REVIEW
Katherine G Akers, Yoan Chérasse, Yuki Fujita, Sakthivel Srinivasan, Takeshi Sakurai, Masanori Sakaguchi
Neural stem and progenitor cells continue to generate new neurons in particular regions of the brain during adulthood. One of these neurogenic regions is the dentate gyrus (DG) of the hippocampus, which plays an important role in cognition and emotion. By exploiting this innate neuronal regeneration mechanism in the DG, new technologies have the potential to promote resistance to or recovery from brain dysfunction or degeneration. However, a deeper understanding of how adult DG neurogenesis is regulated by factors such as sleep and epigenetic modifications of gene expression could lead to further breakthroughs in the clinical application of neural stem and progenitor cells...
February 27, 2018: Stem Cells
https://www.readbyqxmd.com/read/29478909/explanted-vascular-and-endovascular-graft-analysis-where-do-we-stand-and-what-should-we-do
#18
REVIEW
Anne Lejay, Benjamin Colvard, Louis Magnus, Delphine Dion, Yannick Georg, Julie Papillon, Fabien Thaveau, Bernard Geny, Lee Swanström, Fréderic Heim, Nabil Chakfé
OBJECTIVE/BACKGROUND: Since the late 1950s, major advances in vascular surgical practice have been closely associated with the introduction of novel vascular implants. These devices have been constructed from a variety of materials and have been designed to be implanted in several different ways. Despite a rigorous regulatory process, regular failures continue to be observed. A systematic review of the literature and of the Geprovas registry was performed in order to improve understanding of the failures...
April 2018: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29462268/in-situ-tissue-regeneration-using-a-warp-knitted-fabric-in-the-canine-aorta-and-inferior-vena-cava
#19
Shintaro Nemoto, Hayato Konishi, Ryo Shimada, Tatsuya Suzuki, Takahiro Katsumata, Hideaki Yamada, Jun Sakurai, Yohei Sakamoto, Kazuteru Kohno, Atsuko Onishi, Masaya Ito
OBJECTIVES: Materials used in paediatric cardiac surgery have drawbacks of deterioration, calcification and pseudointimal proliferation resulting in haemodynamic disturbance. The aim of this study was to investigate whether these drawbacks can be overcome by in situ tissue regeneration using a newly developed synthetic hybrid fabric (SHF). METHODS: The SHF is an expandable, warp-knitted fabric composed of a combination of biodegradable [poly-l-lactic acid (PLLA)] and non-biodegradable (polyethylene terephthalate) yarns...
February 14, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29448867/comparison-of-the-knitted-silk-vascular-grafts-coated-with-fibroin-sponges-prepared-using-glycerin-poly-ethylene-glycol-diglycidyl-ether-and-poly-ethylene-glycol-as-porogens
#20
Takashi Tanaka, Akiko Uemura, Ryo Tanaka, Yugo Tasei, Tetsuo Asakura
Development of a small-diameter artificial vascular graft is urgent because existing materials often occlude within a short time. We have shown that small-diameter vascular graft using Bombyx mori silk fibroin is a potential candidate. Silk fibroin grafts are fabricated by coating silk fibroin on the knit tube prepared from silk fibroin fibers. However, there is a serious problem that the coated silk fibroin portion hardens when alcohol is used for insolubilization of the coated silk fibroin. This hardening prevents the desired biodegradation of the coated silk fibroin...
April 2018: Journal of Biomaterials Applications
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