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Wearable Health

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https://www.readbyqxmd.com/read/29351262/imu-to-segment-assignment-and-orientation-alignment-for-the-lower-body-using-deep-learning
#1
Tobias Zimmermann, Bertram Taetz, Gabriele Bleser
Human body motion analysis based on wearable inertial measurement units (IMUs) receives a lot of attention from both the research community and the and industrial community. This is due to the significant role in, for instance, mobile health systems, sports and human computer interaction. In sensor based activity recognition, one of the major issues for obtaining reliable results is the sensor placement/assignment on the body. For inertial motion capture (joint kinematics estimation) and analysis, the IMU-to-segment (I2S) assignment and alignment are central issues to obtain biomechanical joint angles...
January 19, 2018: Sensors
https://www.readbyqxmd.com/read/29342953/review-of-recent-metamaterial-microfluidic-sensors
#2
REVIEW
Ahmed Salim, Sungjoon Lim
Metamaterial elements/arrays exhibit a sensitive response to fluids yet with a small footprint, therefore, they have been an attractive choice to realize various sensing devices when integrated with microfluidic technology. Micro-channels made from inexpensive biocompatible materials avoid any contamination from environment and require only microliter-nanoliter sample for sensing. Simple design, easy fabrication process, light weight prototype, and instant measurements are advantages as compared to conventional (optical, electrochemical and biological) sensing systems...
January 15, 2018: Sensors
https://www.readbyqxmd.com/read/29341881/clinical-implications-of-technological-advances-in-screening-for-atrial-fibrillation
#3
REVIEW
Nikhil Singh, Sung Chun, David Hadley, Victor Froelicher
The incidence of atrial fibrillation (AF) continues to increase worldwide as people live longer. AF is the leading cause of stroke among patients older than 75 years and is responsible for at least 15% of all strokes. Industry has responded to this problem with a plethora of monitoring devices. These include single lead ECG adhesive sensors, implantable loop recorders, smartphone attachments and wearables. This review will concentrate on clinical studies using these technologies. There are wearables including watches and watch-like devices that will be mentioned but these have not been validated for clinical use...
January 13, 2018: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/29339577/a-wearable-pressure-sensor-based-on-ultra-violet-ozone-microstructured-carbon-nanotube-polydimethylsiloxane-arrays-for-electronic-skins
#4
Guohui Yu, Jingdong Hu, Jianping Tan, Yang Gao, Yongfeng Lu, Fu-Zhen Xuan
Pressure sensors with high performance (e.g., a broad pressure sensing range, high sensitivities, rapid response/relaxation speeds, temperature-stable sensing), as well as a cost-effective and highly efficient fabrication method are highly desired for electronic skins. In this research, a high-performance pressure sensor based on microstructured carbon nanotube/polydimethylsiloxane arrays was fabricated using an ultra-violet/ozone (UV/O3) microengineering technique. The UV/O3 microengineering technique is controllable, cost-effective, and highly efficient since it is conducted at room temperature in an ambient environment...
January 17, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29334198/enzyme-based-glucose-sensor-from-invasive-to-wearable-device
#5
REVIEW
Hyunjae Lee, Yongseok Joseph Hong, Seungmin Baik, Taeghwan Hyeon, Dae-Hyeong Kim
Blood glucose concentration is a key indicator of patients' health, particularly for symptoms associated with diabetes mellitus. Because of the large number of diabetic patients, many approaches for glucose measurement have been studied to enable continuous and accurate glucose level monitoring. Among them, electrochemical analysis is prominent because it is simple and quantitative. This technology has been incorporated into commercialized and research-level devices from simple test strips to wearable devices and implantable systems...
January 15, 2018: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29324440/micro-patterned-graphene-based-sensing-skins-for-human-physiological-monitoring
#6
Long Wang, Kenneth J Loh, Wei-Hung Chiang, Kausik Manna
Ultrathin, flexible, conformal, and skin-like electronic transducers are emerging as promising candidates for noninvasive and nonintrusive human health monitoring. In this work, a wearable sensing membrane is developed by patterning a graphene-based solution onto ultrathin medical tapes, which can then be attached to the skin for monitoring human physiological parameters and physical activity. Here, the sensor is validated for monitoring finger bending/movements and for recognizing hand motion patterns, thereby demonstrating its future potential for evaluating athletic performance, physical therapy, and designing next-generation human-machine interfaces...
January 11, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29323376/a-multifunctional-wearable-sensor-based-on-a-graphene-inverse-opal-cellulose-film-for-simultaneous-in-situ-monitoring-of-human-motion-and-sweat
#7
Hua Xu, Yi Fei Lu, Jian Xin Xiang, Ming Kun Zhang, Yuan Jin Zhao, Zhuo Ying Xie, Zhong Ze Gu
A multifunctional, wearable sensor based on a reduced oxide graphene (rGO) film onto a porous inverse opal acetylcellulose (IOAC) film has been developed and can perform simultaneous, in situ monitoring of various human motions and ion concentrations in sweat. The rGO film is used as a strain-sensing layer for monitoring human motion via its resistance change, whereas the porous IOAC film is used as a flexible microstructured substrate not only for high sensitive motion sensing, but also for collection and analysis of ion concentrations in sweat by its simple colorimetric changes or reflection-peak shifts...
January 11, 2018: Nanoscale
https://www.readbyqxmd.com/read/29322351/from-pacemaker-to-wearable-techniques-for-ecg-detection-systems
#8
REVIEW
Ashish Kumar, Rama Komaragiri, Manjeet Kumar
With the alarming rise in the deaths due to cardiovascular diseases (CVD), present medical research scenario places notable importance on techniques and methods to detect CVDs. As adduced by world health organization, technological proceeds in the field of cardiac function assessment have become the nucleus and heart of all leading research studies in CVDs in which electrocardiogram (ECG) analysis is the most functional and convenient tool used to test the range of heart-related irregularities. Most of the approaches present in the literature of ECG signal analysis consider noise removal, rhythm-based analysis, and heartbeat detection to improve the performance of a cardiac pacemaker...
January 11, 2018: Journal of Medical Systems
https://www.readbyqxmd.com/read/29320232/barriers-to-the-adoption-of-wearable-sensors-in-the-workplace-a-survey-of-occupational-safety-and-health-professionals
#9
Mark C Schall, Richard F Sesek, Lora A Cavuoto
OBJECTIVE: To gather information on the (a) types of wearable sensors, particularly personal activity monitors, currently used by occupational safety and health (OSH) professionals; (b) potential benefits of using such technologies in the workplace; and (c) perceived barriers preventing the widespread adoption of wearable sensors in industry. BACKGROUND: Wearable sensors are increasingly being promoted as a means to improve employee health and well-being, and there is mounting evidence supporting their use as exposure assessment and personal health tools...
January 1, 2018: Human Factors
https://www.readbyqxmd.com/read/29318339/-e-health-in-diagnosis-and-therapy-of-mental-disorders-will-therapists-soon-become-superfluous
#10
REVIEW
Stefan Lüttke, Martin Hautzinger, Kristina Fuhr
Digital media, online programs, and electronic health systems are available and easily accessible for diagnostic, prevention, and intervention of somatic and psychiatric disorders. These modern tools can assess objective as well as subjective information about acute symptoms, wellbeing, life quality, sleep, physiological indicators, etc. Wearables and apps collect data over days and weeks in the real world of subjects. This information can be used to document baselines as well as changes over time influenced by events or interventions...
January 9, 2018: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/29309113/high-durability-and-waterproofing-rgo-swcnts-fabric-based-multifunctional-sensors-for-human-motion-detection
#11
Seong Jun Kim, Wooseok Song, Yoonsik Yi, Bok Ki Min, Shuvra Mondal, Ki-Seok An, Choon-Gi Choi
Wearable strain-pressure sensors for detecting electrical signals generated by human activities are being widely investigated because of their diverse potential applications, from observing human motion to health monitoring. In this study, we fabricated reduced graphene oxide (rGO)/single-wall carbon nanotube (SWCNTs) hybrid fabric-based strain-pressure sensors using a simple solution process. The structural and chemical properties of the rGO/SWCNTs fabrics were characterized using scanning electron microscopy (SEM), Raman and X-ray photoelectron spectroscopy (XPS)...
January 8, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29308436/effect-of-personal-activity-trackers-on-weight-loss-in-families-enrolled-in-a-comprehensive-behavioral-family-lifestyle-intervention-program-in-the-federally-qualified-health-center-setting-a-randomized-controlled-trial
#12
Juan Espinoza, Alexander Chen, Jazminne Orozco, Alexis Deavenport-Saman, Larry Yin
Background: Childhood obesity continues to be a substantial problem despite major public health efforts, and disproportionately impacts children from low-income families. Digital health tools and consumer technology offer promising opportunities for interventions, but few studies have evaluated how they might be incorporated into existing interventions or used to create new types of interventions. It remains unclear which approaches would be most beneficial for underserved pediatric populations...
September 2017: Contemporary Clinical Trials Communications
https://www.readbyqxmd.com/read/29302969/a-transparent-polymeric-strain-sensor-for-monitoring-vital-signs-and-beyond
#13
Hanguang Wu, Qiang Liu, Wencheng Du, Chun Li, Gaoquan Shi
Wearable sensors that can precisely detect vital signs are highly desirable for monitoring personal health conditions and medical diagnosis. In this paper, we report an ultrasensitive strain sensor consisting of a 150 nm-thick highly conductive dimethylsulfoxide (DMSO) doped poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS) sensing layer and an elastic fluorosilicone rubber substrate. This sensor exhibits a high sensitivity at small strains (e.g., gauge factor at 0.6% strain = 280), low limit of detection (<0...
January 5, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29299924/high-performance-colorimetric-carbon-monoxide-sensor-for-continuous-personal-exposure-monitoring
#14
Chenwen Lin, Xiaojun Xian, Xingcai Qin, Di Wang, Francis Tsow, Erica S Forzani, Nongjian Tao
Carbon monoxide (CO) is a highly poisonous gas, which can cause serious health risk. CO monitoring helps protect us from excessive exposure at home and in the workplace, and reduce occupation-related health risks for workers. Conventional electrochemical and metal oxide semiconductors (MOS) based CO sensors have been widely used, but the drawbacks such as poor selectivity and calibration burden also limit their applications, e.g. as wearable exposure monitors. Aiming at the reliable, miniaturized, and easy-to-use personal exposure device development, we report a colorimetric CO sensing platform, which achieves a detection limit of 1 ppm, dynamic range of 0 ~ 500 ppm, and high selectivity to CO over common interferents in air, such as CO2, NO2, SO2, and O3...
January 4, 2018: ACS Sensors
https://www.readbyqxmd.com/read/29242996/personalized%C3%A2-health-monitoring%C3%A2-system-for-managing-well-being-in-rural-areas
#15
Prema Nedungadi, Akshay Jayakumar, Raghu Raman
Rural India lacks easy access to health practitioners and medical centers, depending instead on community health workers. In these areas, common ailments that are easy to manage with medicines, often lead to medical escalations and even fatalities due to lack of awareness and delayed diagnosis. The introduction of wearable health devices has made it easier to monitor health conditions and to connect doctors and patients in urban areas. However, existing initiatives have not succeeded in providing adequate health monitoring to rural and low-literate patients, as current methods are expensive, require consistent connectivity and expect literate users...
December 14, 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/29241330/ultrasensitive-and-highly-stable-resistive-pressure-sensors-with-biomaterial-incorporated-interfacial-layers-for-wearable-health-monitoring-and-human-machine-interfaces
#16
Hochan Chang, Sungwoong Kim, Sumin Jin, Seung-Woo Lee, Gil-Tae Yang, Ki-Young Lee, Hyunjung Yi
Flexible piezoresistive sensors have huge potential for health-monitoring, human-machine interfaces, prosthetic limbs and intelligent robotics. A variety of nanomaterials and structural schemes have been proposed for realizing ultrasensitive flexible piezoresistive sensors. However, despite success of recent efforts, the high sensitivity within narrower pressure ranges and/or the challenging adhesion and stability issues still potentially limit their broad applications. Herein, we introduce a biomaterial-based scheme for the development of flexible pressure sensors that are ultrasensitive (resistance change by five orders) over broad pressure ranges of 0...
December 15, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29239200/digital-health-and-perioperative-care
#17
Theofanis Fotis
According to the U.S. Food and Drug Administration 'the broad scope of digital health includes categories such as mobile health (mHealth), health information technology (IT), wearable devices, telehealth and telemedicine, and personalised medicine, and is used by providers and other stakeholders in their efforts to reduce inefficiencies, improve access, reduce costs, increase quality, and make medicine more personalised for patients (FDA 2016). More recently, Paul Sonier, a digital health strategist and founder of the Linkedin digital health group with more than 40,000 members, defined digital health as 'the convergence of the digital and genomic revolutions with health, healthcare, living, and society' (storyofdigitalhealth...
June 2017: Journal of Perioperative Practice
https://www.readbyqxmd.com/read/29237080/cardiopulmonary-coupling-spectrogram-as-an-ambulatory-clinical-biomarker-of-sleep-stability-and-quality-in-health-sleep-apnea-and-insomnia
#18
Robert Joseph Thomas, Christopher Wood, Matt Travis Bianchi
Study Objectives: Ambulatory tracking of sleep and sleep pathology is rapidly increasing with the introduction of wearable devices. The objective of this study was to evaluate a wearable device which used novel computational analysis of the electrocardiogram (ECG), collected over multiple nights, as a method to track the dynamics of sleep quality in health and disease. Methods: This study used the electrocardiogram as a primary signal, a wearable device, the M1, and an analysis of cardiopulmonary coupling to estimate sleep quality...
December 9, 2017: Sleep
https://www.readbyqxmd.com/read/29236085/performance-evaluation-of-bluetooth-low-energy-a-systematic-review
#19
REVIEW
Jacopo Tosi, Fabrizio Taffoni, Marco Santacatterina, Roberto Sannino, Domenico Formica
Small, compact and embedded sensors are a pervasive technology in everyday life for a wide number of applications (e.g., wearable devices, domotics, e-health systems, etc.). In this context, wireless transmission plays a key role, and among available solutions, Bluetooth Low Energy (BLE) is gaining more and more popularity. BLE merges together good performance, low-energy consumption and widespread diffusion. The aim of this work is to review the main methodologies adopted to investigate BLE performance. The first part of this review is an in-depth description of the protocol, highlighting the main characteristics and implementation details...
December 13, 2017: Sensors
https://www.readbyqxmd.com/read/29231887/real-time-monitoring-in-home-based-cardiac-rehabilitation-using-wrist-worn-heart-rate-devices
#20
Javier Medina Quero, María Rosa Fernández Olmo, María Dolores Peláez Aguilera, Macarena Espinilla Estévez
Cardiac rehabilitation is a key program which significantly reduces the mortality in at-risk patients with ischemic heart disease; however, there is a lack of accessibility to these programs in health centers. To resolve this issue, home-based programs for cardiac rehabilitation have arisen as a potential solution. In this work, we present an approach based on a new generation of wrist-worn devices which have improved the quality of heart rate sensors and applications. Real-time monitoring of rehabilitation sessions based on high-quality clinical guidelines is embedded in a wearable application...
December 12, 2017: Sensors
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