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https://www.readbyqxmd.com/read/29035638/evaluation-of-the-effectiveness-of-a-novel-gait-trainer-in-increasing-the-functionality-of-individuals-with-motor-impairment-a-case-series
#1
Eitan Raveh, Isabella Schwartz, Naama Karniel, Sigal Portnoy
Regaining the ability to independently ambulate following a physical disability can increase functional ability and participation of patients in daily life. Gait trainers are assistive devices that enable body support and provide safety during gait. However, most conventional gait trainers are pre-configured to a constant position, therefore not suitable for practicing sit-to-stand function, and require assistance from a caregiver in order to mount the device from a sitting position. We therefore evaluated the effectiveness of a dynamically-adjusting gait trainer, designed to provide independence and safety during gait and various activities, in both lab setting and at home in 4 subjects (1 female, 3 males, ages 32-79 years) with limited ambulation...
October 16, 2017: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/29035624/nurses-perceptions-and-problems-in-the-usability-of-a-medication-safety-app
#2
Kalyani Ankem, Sookyung Cho, Diana Simpson
INTRODUCTION: The majority of medication apps support medication adherence. Equally, if not more important, is medication safety. Few apps report on medication safety, and fewer studies have been conducted with these apps. OBJECTIVES: The usability of a medication safety app was tested with nurses to reveal their perceptions of the graphical user interface and to discover problems they encountered in using the app. METHODS: Usability testing of the app was conducted with RN-BSN students and informatics students (n = 18)...
October 16, 2017: Informatics for Health & Social Care
https://www.readbyqxmd.com/read/29035031/proximity-effect-induced-spin-injection-in-phosphorene-on-magnetic-insulator
#3
Haoqi Chen, Bin Li, Jinlong Yang
Black phosphorus is a promising candidate for future nano-electronics with moderate electronic band gap and high carrier mobility. Introducing the magnetism into black phosphorus will widely expand its application scope and may present a bright prospect in spintronic nano-devices. Here we report our first-principles calculations of spin-polarized electronic structure of monolayer black phosphorus (phosphorene) adsorbed on a magnetic europium oxide (EuO) substrate. Effective spin injection into the phosphorene is realized by means of interaction with the nearby EuO(111) surface, i...
October 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29034682/modulated-transport-behavior-of-two-dimensional-electron-gas-at-ni-doped-laalo3-srtio3-heterointerfaces
#4
Hong Yan, Zhaoting Zhang, Shuanhu Wang, Hongrui Zhang, Chang-Le Chen, Kexin Jin
Modulating transport behaviors of two-dimensional electron gas is of critical importance for applications of the next-generation multifunctional oxide electronics. In this study, transport behaviors of LaAlO3/SrTiO3 heterointerfaces modified through the Ni dopant and the light irradiation have been investigated. Through the Ni dopant, the resistances increase significantly and a resistance upturn phenomenon is observed at T < 40 K. Under a 360 nm light irradiation, the interfaces exhibit a persistent photoconductivity and a suppressed Kondo effect at low temperature due to the increased mobility measured through a photo-Hall method...
October 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29032428/usability-operations-on-touch-mobile-devices-for-users-with-autism
#5
Angeles Quezada, Reyes Juárez-Ramírez, Samantha Jiménez, Alan Ramírez Noriega, Sergio Inzunza, Arnulfo Alanis Garza
The Autistic Spectrum Disorder is a cognitive disorder that affects the cognitive and motor skills; due that, users cannot perform digital and fine motor tasks. It is necessary to create software applications that adapt to the abilities of these users. In recent years has been an increase in the research of the use of technology to support autistic users to develop their communication skills and to improve learning. However, the applications' usability for disable users is not assessed objectively as the existing models do not consider interaction operators for disable users...
October 14, 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/29031581/parent-perceptions-of-mobile-device-use-among%C3%A2-preschool-aged-children-in-rural-head%C3%A2-start-centers
#6
Morgan McCloskey, Susan L Johnson, Cristen Benz, Darcy A Thompson, Barbara Chamberlin, Lauren Clark, Laura L Bellows
OBJECTIVE: To describe child use and parents' beliefs and comfort with young children's use of mobile devices in low-income, rural communities. METHODS: This was a descriptive, cross-sectional study. The survey, which consisted of 18 multiple-part questions, was distributed to families at 5 Head Start/preschool centers in Colorado. RESULTS: In total, 192 surveys were returned (28.5% response rate). Most children (92%) used a smartphone or tablet at some frequency and most parents (90%) had downloaded apps specifically for their child...
October 11, 2017: Journal of Nutrition Education and Behavior
https://www.readbyqxmd.com/read/29031302/fast-quantitation-of-opioid-isomers-in-human-plasma-by-differential-mobility-spectrometry-mass-spectrometry-via-spme-open-port-probe-sampling-interface
#7
Chang Liu, Germán Augusto Gómez-Ríos, Bradley B Schneider, J C Yves Le Blanc, Nathaly Reyes-Garcés, Don W Arnold, Thomas R Covey, Janusz Pawliszyn
Mass spectrometry (MS) based quantitative approaches typically require a thorough sample clean-up and a decent chromatographic step in order to achieve needed figures of merit. However, in most cases, such processes are not optimal for urgent assessments and high-throughput determinations. The direct coupling of solid phase microextraction (SPME) to MS has shown great potential to shorten the total sample analysis time of complex matrices, as well as to diminish potential matrix effects and instrument contamination...
October 23, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29030326/consumer-health-related-activities-on-social-media-exploratory-study
#8
Arcelio Benetoli, Timothy F Chen, Parisa Aslani
BACKGROUND: Although a number of studies have investigated how consumers use social media for health-related purposes, there is a paucity of studies in the Australian context. OBJECTIVE: This study aimed to explore how Australian consumers used social media for health-related purposes, specifically how they identified social media platforms, which were used, and which health-related activities commonly took place. METHODS: A total of 5 focus groups (n=36 participants), each lasting 60 to 90 minutes, were conducted in the Sydney metropolitan area...
October 13, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29028397/detection-of-gas-traces-using-semiconductor-sensors-ion-mobility-spectrometry-and-mass-spectrometry
#9
Yulia R Shaltaeva, Boris I Podlepetsky, Vyacheslav S Pershenkov
This article deals with the state-of-the-art instrumentation and application in the field of solid state gas sensorics, ion mobility spectrometry and mass-spectrometry-related research for the detection and measurements of low gas and vapor concentrations. The advantages and disadvantages of gas-analytical devices and systems are discussed, as well as the possibilities of its complex and/or complementary applications. Ion mobility spectrometry-mass spectrometry and subsequent techniques based on solid-state gas sensors are proposed for planned medical study...
August 2017: European Journal of Mass Spectrometry
https://www.readbyqxmd.com/read/29028394/active-sampling-system-for-gas-phase-analyzers
#10
Artem E Akmalov, Alexander A Chistyakov, Olga I Dubkova, Gennadii E Kotkovskii, Alexei V Sychev
The approaches for increasing a contact-free sampling distance up to 40 cm for a field asymmetric ion mobility spectrometer were investigated and implemented by use both the vortex flow made by a rotating impeller and the laser desorption of traces of low volatile explosives. The sampling device for a laser-based field asymmetric ion mobility spectrometer including a high-speed rotating impeller was designed and built with help of computer simulation of vortex and analytical flows. The dependence of a signal of trinitrotoluene vapors on a rotational speed of an impeller was obtained...
August 2017: European Journal of Mass Spectrometry
https://www.readbyqxmd.com/read/29027688/preoperative-ultrasonographic-assessment-of-the-anterior-pelvic-plane-for-personalized-total-hip-replacement
#11
Andrzej Kochman, Adrian Goral, Josef Kozak, Wojciech Marek, Monika Morawska-Kochman, Marek Synder
OBJECTIVES: Correct positioning of the acetabular component is a key factor in minimizing the risk of dislocation after total hip replacement (THR) surgery. A "safe" orientation of the cup is usually defined by 2 angles measured between its geometric axis and the anterior pelvic plane. However, in the current state-of-the-art approach to THR surgery, the intraoperative orientation of the anterior pelvic plane cannot be measured. Even less is known about the functional orientation of the pelvis, which determines the postoperative orientation of the cup during the patient's everyday activities...
October 13, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29027464/thermal-stability-enhanced-and-high-efficiency-planar-perovskite-solar-cells-with-interface-passivation
#12
Weihai Zhang, Juan Xiong, Li Jiang, Jianying Wang, Tao Mei, Xianbao Wang, Haoshuang Gu, Walid A Daoud, Jinhua Li
As electron transport layer (ETL) of perovskite solar cells, oxide semiconductor Zinc oxide (ZnO) has been attracted great attention due to its relatively high mobility, optical transparency, low temperature fabrication and good environment stability. However, the nature of ZnO will react with the patron on methylamine, which would deteriorate the performances of cells. Although many methods including high temperature annealing, doping and surface modification have been studied to improve the efficiency and stability of perovskite solar cells with ZnO ETL, devices remains relatively low efficiency and stability...
October 13, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29027049/acute-phase-dynamics-of-circulating-tumor-cells-after-paclitaxel-and-doxorubicin-chemotherapy-in-breast-cancer-mouse-models
#13
Yayoi Adachi, Mayumi Yoshimura, Keiko Nishida, Hisanobu Usuki, Keiko Shibata, Masaya Hattori, Naoto Kondo, Yasushi Yatabe, Hiroji Iwata, Toyone Kikumori, Yasuhiro Kodera, Hayao Nakanishi
PURPOSE: Circulating tumor cells (CTCs) can provide a potentially minimal invasive source for monitoring chemotherapeutic effects. However, detailed in vivo dynamics of CTC after chemotherapy remain largely unknown. METHODS: We monitored CTC number and morphology early after chemotherapy using a newly developed cytology-based CTC detection device and triple-negative breast cancer mouse CTC models with spontaneous lung metastatic potential. RESULTS: Paclitaxel inhibited cell growth of breast cancer cells by mainly G2/M cell cycle arrest and partly apoptosis, whereas doxorubicin inhibited cell growth mainly by apoptosis and partly G2 cell cycle arrest in vitro...
October 12, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29026509/development-and-evaluation-of-a-speech-generating-aac-mobile-app-for-minimally-verbal-children-with-autism-spectrum-disorder-in-mainland-china
#14
Sainan An, Xiaoping Feng, Yue Dai, Hongli Bo, Xiuqing Wang, Mu Li, John Zhuohao Woo, Xingmei Liang, Cheng Guo, Charles Xingchao Liu, Liping Wei
BACKGROUND: Mobile touchscreen devices are currently being used as speech-generating devices (SGDs) and have been shown to promote the communication skills, particularly the requesting skills of children with autism spectrum disorders (ASD) who have limited spoken language. However, no augmentative and alternative communication (AAC) mobile app has been developed and evaluated in the Chinese language in Mainland China. METHODS: We developed an AAC mobile app, which is the first in Mainland China, to our knowledge, named Yuudee (Chinese name (xiaoyudi))...
2017: Molecular Autism
https://www.readbyqxmd.com/read/29025862/developing-digital-interventions-for-people-living-with-serious-mental-illness-perspectives-from-three-mhealth-studies
#15
REVIEW
Bruno Biagianti, Diego Hidalgo-Mazzei, Nicholas Meyer
The rapidly expanding field of mobile health (mHealth) seeks to harness increasingly affordable and ubiquitous mobile digital technologies including smartphones, tablets, apps and wearable devices to enhance clinical care. Accumulating evidence suggests that mHealth interventions are increasingly being adopted and valued by people living with serious mental illnesses such as schizophrenia and bipolar disorder, as a means of better understanding and managing their condition. We draw on experiences from three geographically and methodologically distinct mHealth studies to provide a pragmatic overview of the key challenges and considerations relating to the process of developing digital interventions for this population...
October 12, 2017: Evidence-based Mental Health
https://www.readbyqxmd.com/read/29024956/lessons-learned-from-piloting-mhealth-informatics-practice-curriculum-into-a-medical-elective
#16
Juanita Fernando, Jennifer Lindley
Introduction: This case study reports the development and delivery of an mHealth elective piloted for first-year undergraduate medical students at Monash University (Australia) and the lessons learned by designers. Results: The students were not as adept at using mHealth devices as the literature had predicted. Expert speakers using mHealth for practice perceptibly engaged students. Force-field analysis was a useful basis for devising end-user evaluative research tools for practice...
August 23, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/29024159/chemical-patterning-of-high-mobility-semiconducting-2d-bi2-o2-se-crystals-for-integrated-optoelectronic-devices
#17
Jinxiong Wu, Yujing Liu, Zhenjun Tan, Congwei Tan, Jianbo Yin, Tianran Li, Teng Tu, Hailin Peng
Patterning of high-mobility 2D semiconducting materials with unique layered structures and superb electronic properties offers great potential for batch fabrication and integration of next-generation electronic and optoelectronic devices. Here, a facile approach is used to achieve accurate patterning of 2D high-mobility semiconducting Bi2 O2 Se crystals using dilute H2 O2 and protonic mixture acid as efficient etchants. The 2D Bi2 O2 Se crystal after chemical etching maintains a high Hall mobility of over 200 cm(2) V(-1) s(-1) at room temperature...
October 12, 2017: Advanced Materials
https://www.readbyqxmd.com/read/29024126/highly-crystalline-c8-btbt-thin-film-transistors-by-lateral-homo-epitaxial-growth-on-printed-templates
#18
Robby Janneck, Nicolas Pilet, Satya Prakash Bommanaboyena, Benjamin Watts, Paul Heremans, Jan Genoe, Cedric Rolin
Highly crystalline thin films of organic semiconductors offer great potential for fundamental material studies as well as for realizing high-performance, low-cost flexible electronics. The fabrication of these films directly on inert substrates is typically done by meniscus-guided coating techniques. The resulting layers show morphological defects that hinder charge transport and induce large device-to-device variability. Here, a double-step method for organic semiconductor layers combining a solution-processed templating layer and a lateral homo-epitaxial growth by a thermal evaporation step is reported...
October 10, 2017: Advanced Materials
https://www.readbyqxmd.com/read/29024039/the-electrical-and-optical-properties-of-organometal-halide-perovskites-relevant-to-optoelectronic-performance
#19
REVIEW
Valerio Adinolfi, Wei Peng, Grant Walters, Osman M Bakr, Edward H Sargent
Organometal halide perovskites are under intense study for use in optoelectronics. Methylammonium and formamidinium lead iodide show impressive performance as photovoltaic materials; a premise that has spurred investigations into light-emitting devices and photodetectors. Herein, the optical and electrical material properties of organometal halide perovskites are reviewed. An overview is given on how the material composition and morphology are tied to these properties, and how these properties ultimately affect device performance...
October 12, 2017: Advanced Materials
https://www.readbyqxmd.com/read/29023355/utility-of-mobile-communication-devices-as-a-tool-to-improve-adherence-to-antiretroviral-treatment-in-hiv-infected-children-and-young-adults-in-argentina
#20
Erica Stankievich, Adriana Malanca, Irene Foradori, Silvina Ivalo, Marcelo Losso
BACKGROUND: Optimal adherence is critical to achieve the benefits of antiretroviral treatment (ART). The aim of the study is to evaluate the use of mobile devices as a strategy to improve adherence to ART, measured by Viral Load (VL) in HIV+ patients less than 25 years of age. METHODS: A prospective study was conducted in a cohort of HIV+ patients less than 25 years of age. HIV+ patients, on ART, VL >1000 copies/mL, using mobile devices and suboptimal adherence (SOA) were included...
October 7, 2017: Pediatric Infectious Disease Journal
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