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https://www.readbyqxmd.com/read/28925684/carbon-nanotube-based-ion-selective-sensors-for-wearable-applications
#1
Soumyendu Roy, Moshe David-Pur, Yael Hanein
Wearable electronics offer new opportunities in a wide range of applications, especially sweat analysis using skin sensors. A fundamental challenge in these applications is the formation of sensitive and stable electrodes. In this article we report the development of a wearable sensor based on carbon nanotube (CNT) electrode arrays for sweat sensing. Solid-state ion selective electrodes (ISEs), sensitive to Na+ ions, were prepared by drop coating plasticized poly-vinyl chloride (PVC) doped with ionophore and ion exchanger on CNT electrodes...
September 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28923968/soft-tubular-microfluidics-for-2d-and-3d-applications
#2
Wang Xi, Fang Kong, Joo Chuan Yeo, Longteng Yu, Surabhi Sonam, Ming Dao, Xiaobo Gong, Chwee Teck Lim
Microfluidics has been the key component for many applications, including biomedical devices, chemical processors, microactuators, and even wearable devices. This technology relies on soft lithography fabrication which requires cleanroom facilities. Although popular, this method is expensive and labor-intensive. Furthermore, current conventional microfluidic chips precludes reconfiguration, making reiterations in design very time-consuming and costly. To address these intrinsic drawbacks of microfabrication, we present an alternative solution for the rapid prototyping of microfluidic elements such as microtubes, valves, and pumps...
September 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28920174/features-and-effects-of-information-technology-based-interventions-to-improve-self-management-in-chronic-kidney-disease-patients-a-systematic-review-of-the-literature
#3
Fateme Rangraz Jeddi, Ehsan Nabovati, Shahrzad Amirazodi
Slowing down the progression of chronic kidney disease (CKD) and its adverse health outcomes requires the patient's self-management and attention to treatment recommendations. Information technology (IT)-based interventions are increasingly being used to support self-management in patients with chronic diseases such as CKD. We conducted a systematic review of randomized controlled trials (RCTs) to assess the features and effects of IT-based interventions on self-management outcomes of CKD patients. A comprehensive search was conducted in Medline, Scopus, and the Cochrane Library to identify relevant papers that were published until May 2016...
September 18, 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28912647/accelerometery-and-heart-rate-responses-of-professional-fast-medium-bowlers-in-one-day-and-multi-day-cricket
#4
James A Johnstone, Gerwyn Hughes, Andrew C Mitchell, Paul A Ford, Tim Watson, Rob Duffield, Dan Gordon, Justin D Roberts, Andrew T Garrett
The physical demands of fast-medium bowling are increasingly being recognised, yet comparative exploration of the differing demands between competitive formats (i.e. one-day [OD] versus multi-day [MD] matches) remain minimal. The aim of this study was to describe in-match physiological profiles of professional fast-medium bowlers from England across different versions of competitive matches using a multivariable wearable monitoring device. Seven professional cricket fast-medium bowlers wore the Bioharness(TM) monitoring device during matches, over three seasons (>80 hours in-match)...
September 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28894425/analysis-of-wearable-and-smartphone-based-technologies-for-the-measurement-of-barbell-velocity-in-different-resistance-training-exercises
#5
Carlos Balsalobre-Fernández, David Marchante, Eneko Baz-Valle, Iván Alonso-Molero, Sergio L Jiménez, Mario Muñóz-López
The purpose of this study was to analyze the validity, reliability, and accuracy of new wearable and smartphone-based technology for the measurement of barbell velocity in resistance training exercises. To do this, 10 highly trained powerlifters (age = 26.1 ± 3.9 years) performed 11 repetitions with loads ranging 50-100% of the 1-Repetition maximum in the bench-press, full-squat, and hip-thrust exercises while barbell velocity was simultaneously measured using a linear transducer (LT), two Beast wearable devices (one placed on the subjects' wrist -BW-, and the other one directly attached to the barbell -BB-) and the iOS PowerLift app...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28892637/functional-circuitry-on-commercial-fabric-via-textile-compatible-nanoscale-film-coating-process-for-fibertronics
#6
Hagyoul Bae, Byung Chul Jang, Hongkeun Park, Soo-Ho Jung, Hye Moon Lee, Jun-Young Park, Seung-Bae Jeon, Gyeongho Son, Il-Woong Tcho, Kyoungsik Yu, Sung Gap Im, Sung-Yool Choi, Yang-Kyu Choi
Fabric-based electronic textiles (e-textiles) are the fundamental components of wearable electronic systems, which can provide convenient hand-free access to computer and electronics applications. However, e-textile technologies presently face significant technical challenges. These challenges include difficulties of fabrication due to the delicate nature of the materials, and limited operating time, a consequence of the conventional normally on computing architecture, with volatile power-hungry electronic components, and modest battery storage...
September 18, 2017: Nano Letters
https://www.readbyqxmd.com/read/28891942/automatic-classification-of-tremor-severity-in-parkinson-s-disease-using-a-wearable-device
#7
Hyoseon Jeon, Woongwoo Lee, Hyeyoung Park, Hong Ji Lee, Sang Kyong Kim, Han Byul Kim, Beomseok Jeon, Kwang Suk Park
Although there is clinical demand for new technology that can accurately measure Parkinsonian tremors, automatic scoring of Parkinsonian tremors using machine-learning approaches has not yet been employed. This study aims to fill this gap by proposing machine-learning algorithms as a way to predict the Unified Parkinson's Disease Rating Scale (UPDRS), which are similar to how neurologists rate scores in actual clinical practice. In this study, the tremor signals of 85 patients with Parkinson's disease (PD) were measured using a wrist-watch-type wearable device consisting of an accelerometer and a gyroscope...
September 9, 2017: Sensors
https://www.readbyqxmd.com/read/28891282/fabrication-of-flexible-white-light-emitting-diodes-from-photoluminescent-polymer-materials-with-excellent-color-quality
#8
Huang Yu Lin, Chin-Wei Sher, Chih-Hao Lin, Hsien-Hao Tu, Xin Yin Chen, Yi-Chun Lai, Chien-Chung Lin, Huang-Ming Philip Chen, Peichen Yu, Hsin-Fei Meng, Gou-Chung Chi, Keiji Honjo, Teng-Ming Chen, Hao-Chung Kuo
This study developed flexible light-emitting diodes (LEDs) with warm white and neutral white light. A simple UV flip-chip sticking process was adopted for the pumping source and combined with polymer and quantum dot (QD) films technology to yield white light. The polymer-blended flexible LEDs exhibited higher luminous efficiency than the QD-blended flexible LEDs. Moreover, the polymer-blended LEDs achieved excellent color rendering index values (Ra = 96 and R9 = 96), with high reliability, demonstrating high suitability for future wearable and biomedical applications...
September 11, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28890341/cueing-for-people-with-parkinson-s-disease-with-freezing-of-gait-a-narrative-review-of-the-state-of-the-art-and-novel-perspectives
#9
REVIEW
Ginis Pieter, Nackaerts Evelien, Nieuwboer Alice, Heremans Elke
Freezing, which manifests during gait and other movements, is an incapacitating motor symptom experienced by many patients with Parkinson's disease (PD). In rehabilitation, auditory and visual cueing methods are commonly applied to evoke a more goal-directed type of motor control and, as such, reduce freezing severity in patients with PD. In this narrative review, we summarize the current evidence regarding the effects of external cueing in patients with PD with freezing of gait (FOG) and provide suggestions on how to further improve cueing effectiveness with emerging technological developments...
September 7, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28888556/telehealth-in-older-adults-with-cancer-in-the-united-states-the-emerging-use-of-wearable-sensors
#10
REVIEW
John Shen, Arash Naeim
As the aging and cancer populations in the world continue to increase, the need for complements to traditional geriatric assessments and the logical incorporation of fast and reliable telehealth tools have become interlinked. In the United States, studies examining the use of telehealth for chronic disease management have shown promising results in small groups. The implementation of health technology on a broader scale requires older adults to both accept and adapt such innovation into routine medical care...
September 6, 2017: Journal of Geriatric Oncology
https://www.readbyqxmd.com/read/28878362/highly-efficient-colored-perovskite-solar-cells-integrated-with-ultrathin-subwavelength-plasmonic-nanoresonators
#11
Kyu-Tae Lee, Ji-Yun Jang, Jing Zhang, Sung-Mo Yang, Sanghyuk Park, Hui Joon Park
Highly efficient colored perovskite solar cells that exploit localized surface plasmon resonances in ultrathin subwavelength plasmonic nanoresonators are demonstrated. Localized resonances in ultrathin metal nano-strip optical resonators consisting of an array of metallic subwavelength nanowires on a transparent substrate, fabricated by using low-cost nanoimprint lithography over a large area, lead to a sharp peak in a reflection spectrum for distinctive color generation with angle-insensitive property up to 60°, and simultaneously transmit the complementary spectrum of visible light that can be efficiently harvested by the perovskite solar cells for electric power generation...
September 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28876901/flexible-graphene-based-wearable-gas-and-chemical-sensors
#12
Eric Singh, M Meyyappan, Hari S Nalwa
Wearable electronics is expected to be one of the most active research areas in the next decade, therefore, nanomaterials possessing high carrier mobility, optical transparency, mechanical robustness and flexibility, light-weight, and environmental stability will be in immense demand. Graphene is one of the nanomaterials that fulfill all these requirements, along with other inherently unique properties and convenience to fabricate into different morphological nanostructures, from atomically thin single layers to nanoribbons...
September 6, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28873830/embedded-systems-and-tensorflow-frameworks-as-assistive-technology-solutions
#13
Davide Mulfari, Alessandro Palla, Luca Fanucci
In the field of deep learning, this paper presents the design of a wearable computer vision system for visually impaired users. The Assistive Technology solution exploits a powerful single board computer and smart glasses with a camera in order to allow its user to explore the objects within his surrounding environment, while it employs Google TensorFlow machine learning framework in order to real time classify the acquired stills. Therefore the proposed aid can increase the awareness of the explored environment and it interacts with its user by means of audio messages...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28872765/digital-therapy-in-diabetes
#14
REVIEW
Avivit Cahn, Amit Akirov, Itamar Raz
Diabetes care is largely dependent on patient self-management and empowerment, given that patients with diabetes must make numerous daily decisions of what to eat, when to exercise, and determine their insulin dose and timing if required. Additionally, patients and providers are generating vast amounts of data from many sources including electronic medical records, insulin pumps, sensors, glucometers, other wearables, as well as evolving genomic, proteomic, metabolomic and microbiomic data. Multiple digital tools and apps have been developed to assist patients to choose wisely, as well as enhance their compliance by employing motivational tools and incorporating incentives from social media and gaming techniques...
September 5, 2017: Journal of Diabetes
https://www.readbyqxmd.com/read/28867296/device-assisted-transdermal-drug-delivery
#15
Hyunjae Lee, Changyeong Song, Seungmin Baik, Dokyoon Kim, Taeghwan Hyeon, Dae-Hyeong Kim
Transdermal drug delivery is a prospective drug delivery strategy to complement the limitations of conventional drug delivery systems including oral and injectable methods. This delivery route allows both convenient and painless drug delivery and a sustained release profile with reduced side effects. However, physiological barriers in the skin undermine the delivery efficiency of conventional patches, limiting drug candidates to small-molecules and lipophilic drugs. Recently, transdermal drug delivery technology has advanced from unsophisticated methods simply relying on natural diffusion to drug releasing systems that dynamically respond to external stimuli...
September 1, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28866969/a-scoping-review-of-use-of-wearable-devices-to-evaluate-outcomes-in-survivors-of-critical-illness
#16
Samuel Gluck, Lee-Anne S Chapple, Marianne J Chapman, Theodore J Iwashyna, Adam M Deane
OBJECTIVE: Wearable devices using new technology may be a cost-effective method to assess functional outcomes in survivors of critical illness. Our primary objective was to review the extent to which wearable devices such as smartphones, pedometers, accelerometers and global positioning systems have been used to evaluate outcomes in survivors of an intensive care unit admission. DESIGN: We included studies of patients surviving an ICU admission and which measured outcomes using wearable devices...
September 2017: Critical Care and Resuscitation: Journal of the Australasian Academy of Critical Care Medicine
https://www.readbyqxmd.com/read/28858781/epidermal-electrode-technology-for-detecting-ultrasonic-perturbation-of-sensory-brain-activity
#17
Stanley Huang, Jonathan A N Fisher, Meijun Ye, Yun-Soung Kim, Rui Ma, Marjan Nabili, Victor Krauthamer, Matthew R Myers, Todd P Coleman, Cristin G Welle
OBJECTIVE: We aim to demonstrate the in vivo capability of a wearable sensor technology to detect localized perturbations of sensory-evoked brain activity. METHODS: Cortical somatosensory evoked potentials (SSEPs) were recorded in mice via wearable, flexible epidermal electrode arrays. We then utilized the sensors to explore the effects of transcranial focused ultrasound, which noninvasively induced neural perturbation. SSEPs recorded with flexible epidermal sensors were quantified and benchmarked against those recorded with invasive epidural electrodes...
August 29, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28858353/bio-inspired-spider-web-like-membranes-with-a-hierarchical-structure-for-high-performance-lithium-sodium-ion-battery-electrodes-the-case-of-3d-freestanding-and-binder-free-bismuth-cnf-anodes
#18
Yuqiang Jin, Haocheng Yuan, Jin-Le Lan, Yunhua Yu, Yuan-Hua Lin, Xiaoping Yang
High gravimetric energy density and volumetric energy density energy storage devices are highly desirable due to the rapid development of electric vehicles, and portable and wearable electronic equipment. Electrospinning is a promising technology for preparing freestanding electrodes with high gravimetric and volumetric energy density. However, the energy density of the traditional electrospun electrodes is restricted by the low mass loading of active materials (e.g. 20%-30 wt%). Herein, a biomimetic strategy inspired by the phenomenon of the sticky spider web is demonstrated as a high performance anode, which simultaneously improves the gravimetric and volumetric energy density...
September 14, 2017: Nanoscale
https://www.readbyqxmd.com/read/28855245/the-promise-of-digital-mood-tracking-technologies-are-we-heading-on-the-right-track
#19
REVIEW
Gin S Malhi, Amber Hamilton, Grace Morris, Zola Mannie, Pritha Das, Tim Outhred
The growing understanding that mood disorders are dynamic in nature and fluctuate over variable epochs of time has compelled researchers to develop innovative methods of monitoring mood. Technological advancement now allows for the detection of minute-to-minute changes while also capturing a longitudinal perspective of an individual's illness. Traditionally, assessments of mood have been conducted by means of clinical interviews and paper surveys. However, these methods are often inaccurate due to recall bias and compliance issues, and are limited in their capacity to collect and process data over long periods of time...
August 30, 2017: Evidence-based Mental Health
https://www.readbyqxmd.com/read/28855146/categorizing-health-outcomes-and-efficacy-of-mhealth-apps-for-persons-with-cognitive-impairment-a-systematic-review
#20
REVIEW
Daniel R Bateman, Bhavana Srinivas, Thomas W Emmett, Titus K Schleyer, Richard J Holden, Hugh C Hendrie, Christopher M Callahan
BACKGROUND: Use of mobile health (mHealth) apps is growing at an exponential rate in the United States and around the world. Mild cognitive impairment (MCI), Alzheimer disease, and related dementias are a global health problem. Numerous mHealth interventions exist for this population, yet the effect of these interventions on health has not been systematically described. OBJECTIVE: The aim of this study is to catalog the types of health outcomes used to measure effectiveness of mHealth interventions and assess which mHealth interventions have been shown to improve the health of persons with MCI, Alzheimer disease, and dementia...
August 30, 2017: Journal of Medical Internet Research
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