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https://www.readbyqxmd.com/read/28814026/design-and-characterization-of-low-cost-fabric-based-flat-pneumatic-actuators-for-soft-assistive-glove-application
#1
Hong Kai Yap, Frederick Sebastian, Christopher Wiedeman, Chen-Hua Yeow
We present the design of low-cost fabric-based Hat pneumatic actuators for soft assistive glove application. The soft assistive glove is designed to assist hand impaired patients in performing activities of daily living and rehabilitation. The actuators consist of flexible materials such as fabric and latex bladder. Using zero volume actuation concept, the 2D configuration of the actuators simplifies the manufacturing process and allows the actuators to be more compact. The actuators achieve bi-directional flexion and extension motions...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813883/development-of-a-series-wrapping-cam-mechanism-for-energy-transfer-in-wearable-arm-support-applications
#2
Jeremiah S Schroeder, Joel C Perry
An estimated 17 million individuals suffer a stroke each year with over 5 million resulting in permanent disability. For many of these, the provision of gravity support to the impaired upper limb can provide significant and immediate improvement in arm mobility. This added mobility has the potential to improve arm function and user independence overall, but, so far, wearable arm supports have found only limited uptake by end-users. The reasons are unclear, but it is hypothesized that device uptake is strongly affected by aspects of arm support implementation such as added weight and volume and the effectiveness of the support provided...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813477/colonization-prevalence-and-antibiotic-susceptibility-of-group-b-streptococcus-in-pregnant-women-over-a-6-year-period-in-dongguan-china
#3
Wenjing Ji, Lihua Zhang, Zhusheng Guo, Shujin Xie, Weiqing Yang, Junjian Chen, Jiamin Wang, Zhiqin Cheng, Xin Wang, Xuehai Zhu, Jianwen Wang, Haiqing Wang, Juan Huang, Ning Liang, David J McIver
This study investigated the prevalence of recto-vaginal Group B Streptococcus (GBS) colonization, serotype distribution, and antimicrobial susceptibility patterns among pregnant women in Dongguan, China. Recto-vaginal swabs were collected from pregnant women at gestational age 35-37 weeks between January 1st 2009 and December 31st 2014. Isolates were serotyped by latex-agglutination and were tested against seven antimicrobials by disk diffusion. Of 7,726 pregnant women who completed GBS testing, 636 (8.2%) were GBS carriers...
2017: PloS One
https://www.readbyqxmd.com/read/28813186/multi-normalization-and-interpolation-protocol-to-improve-norovirus-immunoagglutination-assay-from-paper-microfluidics-with-smartphone-detection
#4
Soohee Cho, Tu San Park, Kelly A Reynolds, Jeong-Yeol Yoon
Norovirus (NoV) is one of the leading causes of acute gastroenteritis, affecting 685 million people per year around the world. The best preventive measure is to screen water for possible NoV contamination, not from infected humans, preferably using rapid and field-deployable diagnostic methods. While enzyme immunoassays (EIAs) can be used for such detection, the low infectious dose as well as the generally inferior sensitivity and low titer of available NoV antibodies render critical challenges in using EIAs toward NoV detection...
August 1, 2017: SLAS Technology
https://www.readbyqxmd.com/read/28812284/new-nanocomposites-of-polystyrene-with-polyaniline-doped-with-lauryl-sulfuric-acid
#5
A A Pud, O A Nikolayeva, L O Vretik, Yu V Noskov, N A Ogurtsov, O S Kruglyak, E A Fedorenko
This work is concentrated on synthesis and investigation of new core-shell nanocomposites of polystyrene (PS) with doped polyaniline (PANI). The latex containing PS nanoparticles with sizes of 15-30 nm was prepared by microemulsion polymerization of styrene in water media. The PS/PANI nanocomposites were synthesized by chemical oxidative polymerization of aniline in the PS latex media in a presence of lauryl sulfuric acid (LSA), which served as both dopant and plasticizer. The real content of PANI in the synthesized nanocomposites was determined by UV-Vis spectroscopy method...
August 15, 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28808766/water-penetration-of-grommets-an-in-vitro-study
#6
Yousef Ibrahim, Paul Fram, Gavin Hughes, Pete Phillips, David Owens
The insertion of grommets has been one of the most common procedures carried out by ENT surgeons for patients with persistent middle ear fluid. There has always been apprehension at the use of grommets by patients undertaking swimming or other water sports due to concerns of grommet penetration by water into the middle ear. Despite this, no common consensus exists amongst otolaryngologists regarding post-operative advice following grommet insertion. Most studies focus on surface swimming and do not consider other activities such as diving that patients may undertake...
August 14, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28807292/development-of-a-bead-agglutination-assay-for-rapid-detection-of-tritrichomonas-foetus
#7
Robert G Schaut, Lynette B Corbeil, Courtney N Blake, Matthew T Brewer
Tritrichomonas foetus is a flagellated protozoan parasite that causes inflammation of the reproductive tract leading to early embryonic death and abortion in cattle, thereby resulting in significant economic losses. Testing and culling infected bulls is an important strategy for parasite control. Routine testing is mainly limited to bulls that are traveling across state lines or within states that have specific control programs. Both culture and PCR detection methods are available, but they are not typically conducted as part of a yearly breeding soundness program and are not easily conducted in the field...
August 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28804846/laboratory-testing-for-von-willebrand-factor-ristocetin-cofactor-vwf-rco
#8
Soma Mohammed, Emmanuel J Favaloro
von Willebrand disease (VWD) is reportedly the most common inherited bleeding disorder and can also arise as an acquired syndrome (AVWS). These disorders develop due to defects and/or deficiency of the plasma protein von Willebrand factor (VWF). Laboratory testing for these VWF-related disorders requires assessment of both VWF level and VWF activity, the latter requiring multiple assays because of the many functions carried out by VWF to help prevent bleeding. The current paper describes several protocols for assessment of VWF activity by means of VWF ristocetin cofactor (VWF:RCo)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28804844/laboratory-testing-for-von-willebrand-factor-antigen-vwf-ag
#9
Emmanuel J Favaloro, Soma Mohammed, Jürgen Patzke
von Willebrand disease (VWD) is reportedly the most common inherited bleeding disorder and can also arise as an acquired syndrome (AVWS). These disorders arise due to defects and/or deficiency of the plasma protein von Willebrand factor (VWF). Laboratory testing for the VWF-related disorders requires assessment of both VWF level and VWF activity, the latter requiring multiple assays because of the many functions carried out by VWF to help prevent bleeding. The current paper describes protocols for assessment of VWF level by means of VWF antigen (VWF:Ag)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28804833/laboratory-testing-protocols-for-heparin-induced-thrombocytopenia-hit-testing
#10
Kun Kan Edwin Lau, Soma Mohammed, Leonardo Pasalic, Emmanuel J Favaloro
Heparin-induced thrombocytopenia (HIT) represents a significant high morbidity complication of heparin therapy. The clinicopathological diagnosis of HIT remains challenging for many reasons; thus, laboratory testing represents an important component of an accurate diagnosis. Although there are many assays available to assess HIT, these essentially fall into two categories-(a) immunological assays, and (b) functional assays. The current chapter presents protocols for several HIT assays, being those that are most commonly performed in laboratory practice and have the widest geographic distribution...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28802011/evaluation-of-poly-2-acryloyloxy-ethyl-trimethylammonium-chloride-cationic-polymer-capillary-coating-for-capillary-electrophoresis-and-electrokinetic-chromatography-separations
#11
Julie R McGettrick, Christopher P Palmer
Capillary electrophoresis and electrokinetic chromatography are typically carried out in unmodified fused silica capillaries under conditions that result in a strong negative zeta potential at the capillary wall and a robust cathodic electroosmotic flow. Modification of the capillary wall to reverse the zeta potential and mask silanol sites can improve separation performance by reducing or eliminating analyte adsorption, and is essential when conducting electrokinetic chromatography separations with cationic latex nanoparticle pseudo-stationary phases...
August 12, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28800771/perceived-confidence-to-use-female-condoms-among-students-in-tertiary-institutions-of-a-metropolitan-city-southwestern-nigeria
#12
Taiwo A Obembe, Ayo S Adebowale, Kehinde O Odebunmi
BACKGROUND: Latex condoms for men have been documented to offer high efficacy as both a contraceptive and protection against sexually transmitted diseases. This equally establishes the importance of continued research on female condoms. This study aims to investigate the perceived confidence to use the female condoms amongst undergraduate female students from selected tertiary institutions from Ibadan Southwestern Nigeria. METHODS: The study was a descriptive cross-sectional survey involving 388 female undergraduate students selected through a multistage sampling technique...
August 11, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28795812/investigation-of-the-adsorption-of-amphipathic-macroraft-agents-onto-montmorillonite-clay
#13
Rodrigo Duarte Silva, Igor Stefanichen Monteiro, Thaïssa De Camargo Chaparro, Raíssa Silva Hardt, Reinaldo Giudici, Ana Barros-Timmons, Elodie Bourgeat-Lami, Amilton Martins Dos Santos
Recently, there has been significant interest in the use of the reversible addition-fragmentation chain-transfer (RAFT) technique to generate a variety of organic/inorganic colloidal composite particles in aqueous dispersed media using the so-called macroRAFT-assisted encapsulating emulsion polymerization (REEP) strategy. In this process, special attention should be paid to the adsorption of the macromolecular RAFT (macroRAFT) agent onto the inorganic particles as it determines the final particle morphology and can also influence latex stability...
August 10, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28795430/occupational-contact-urticaria-and-protein-contact-dermatitis-causes-and-concomitant-airway-diseases
#14
Eva Helaskoski, Hille Suojalehto, Outi Kuuliala, Kristiina Aalto-Korte
BACKGROUND: Contact urticaria (CU) and protein contact dermatitis (PCD) are mainly induced by an immediate, IgE-mediated immunological mechanism. Immediate sensitization is also linked to asthma and/or allergic rhinitis. OBJECTIVES: To report causes of work-induced CU and PCD, and to evaluate the occurrence of concomitant airway diseases. METHODS: We retrospectively reviewed the patient files of cases diagnosed with CU or PCD at the Finnish Institute of Occupational Health during 1995-2011...
August 10, 2017: Contact Dermatitis
https://www.readbyqxmd.com/read/28793032/protein-from-hevea-brasiliensis-hev-b-13-latex-attenuates-systemic-inflammatory-response-and-lung-lesions-in-rats-with-sepsis
#15
L A Araújo, P R Melo-Reis, F Mrue, C M Gomes, M A P Oliveira, H M Silva, M M Alves, N J Silva-Júnior
Sepsis induces a severe systemic inflammatory response that may result in multiple organ dysfunction and death. Studies using a protein derived from natural Hevea brasiliensis (rubber tree) latex, denominated Hev b 13, have demonstrated important anti-inflammatory effects, but no data have been published regarding its effects on sepsis. The aim of this study was to investigate the effects of Hev b 13 on the inflammatory response and lung lesions of septal rats. Male Wistar rats were submitted to cecal ligation and puncture (CLP), randomized into groups and treated with subcutaneously administered doses of 0...
July 27, 2017: Brazilian Journal of Biology, Revista Brasleira de Biologia
https://www.readbyqxmd.com/read/28793016/rotavirus-genotypes-as-etiological-agents-of-diarrhoea-in-general-populations-of-two-geographic-regions-of-brazil
#16
Marcel Leite, Rita de Cássia Compagnoli Carmona, Emerson Carraro, Aripuanã Sakurada Aranha Watanabe, Celso Francisco Hernandes Granato
Rotavirus is the main global cause of severe childhood diarrhoea among children. In 2006, Rotarix® (G1P[8]) was introduced into Brazil's National Immunization Program. The vaccine coverage rate was 84.4% in 2009. Evidences of increasing G2P[4] after 2006 opened up the discussion about the vaccine effectiveness to non-G1 strains. The aim of this study was to identify the circulating rotavirus genotypes in two Brazilian regions during 2009. A total of 223 positive samples by immunochromatography and latex agglutination assay from the Northeast (Bahia/Pernambuco States) and Southeast (São Paulo/Rio de Janeiro States) regions were included in the study...
2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28792374/evaluation-of-an-automated-quantitative-latex-immunoturbidimetric-non-treponemal-assay-for-diagnosis-and-follow-up-of-syphilis-a-prospective-cohort-study
#17
Kara Osbak, Said Abdellati, Achilleas Tsoumanis, Marjan Van Esbroeck, Luc Kestens, Tania Crucitti, Chris Kenyon
PURPOSE: We evaluated the Sekure rapid plasma reagin (RPR-S) (Sekisui Diagnostics) automated quantitative latex immunoturbidimetric assay performed on the SK500 clinical chemistry system for clinical appropriateness. METHODOLOGY: Syphilis-infected individuals and controls were recruited into a prospective cohort study conducted at a sexually transmitted infection clinic in Antwerp, Belgium. Sera collected at diagnosis (baseline) and at 3, 6, 9 and 12 months post-treatment were tested with RPR-S and Macro-Vue RPR card (RPR-C) (Becton Dickinson) assays; RPR-C was considered the reference test...
August 10, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28791618/boosting-isoprene-production-via-heterologous-expression-of-the-kudzu-isoprene-synthase-gene-kisps-into-bacillus-spp-cell-factory
#18
Lamis Gomaa, Michael E Loscar, Haggag S Zein, Nahed Abdel-Ghaffar, Abdelhadi A Abdelhadi, Ali S Abdelaal, Naglaa A Abdallah
Isoprene represents a key building block for the production of valuable materials such as latex, synthetic rubber or pharmaceutical precursors and serves as basis for advanced biofuel production. To enhance the production of the volatile natural hydrocarbon isoprene, released by plants, animals and bacteria, the Kudzu isoprene synthase (kIspS) gene has been heterologously expressed in Bacillus subtilis DSM 402 and Bacillus licheniformis DSM 13 using the pHT01 vector. As control, the heterologous expression of KIspS in E...
August 8, 2017: AMB Express
https://www.readbyqxmd.com/read/28777679/latex-safe-at-school-a-student-centered-approach
#19
Patricia Beierwaltes, Sally Schoessler
Providing a safe environment for students at risk for anaphylaxis from a latex allergy requires care coordination and collaboration of all members of the school community. Strategies for allergy management include educating the school community, identifying potential exposure to latex, preparing to respond in an emergency, and creating a plan for the future. With the student at the center of sound planning, the school can provide a secure and healthy environment.
August 1, 2017: NASN School Nurse
https://www.readbyqxmd.com/read/28776526/common-bacterial-isolates-clinical-outcome-and-tb-meningitis-in-children-admitted-at-morogoro-regional-referral-hospital-tanzania
#20
Ramadhani Salum Chambuso, Mkhoi Lord Mkhoi, Evelyn Kaambo
BACKGROUND: Bacterial meningitis is still one of the major causes of deaths, disabilities, and mental retardation in children in Morogoro region. To study the current meningitis burden, we evaluated the common bacterial isolates and clinical outcome of the disease in the region. METHODS: We conducted a hospital-based prospective study on 1352 children aged between 7 days and 12 years admitted in pediatric wards at Morogoro Regional Referral Hospital for 7 months...
July 2017: International Journal of Mycobacteriology
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