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https://www.readbyqxmd.com/read/29328080/subsurface-metrology-using-scanning-white-light-interferometry-absolute-z-coordinates-deep-inside-displays
#1
Anton Nolvi, Ivan Kassamakov, Edward Hæggström
Mobile devices with interactive displays are ubiquitous commodities. Efficient quality control (QC) drives competitiveness. Scanning white light interferometry imaging offers a fast and nondestructive tool for QC purposes. Relying on optical compensation and image stitching, one can rapidly and cost-effectively produce sharp 3D images of a display's inner structures with a few nanometers' accuracy along the z direction. As a practical example, 3D images of a mobile device display revealed 0.92±0.02  μm height variation in the top glass assembly...
January 1, 2018: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://www.readbyqxmd.com/read/29324794/real-time-positioning-in-logging-effects-of-forest-stand-characteristics-topography-and-line-of-sight-obstructions-on-gnss-rf-transponder-accuracy-and-radio-signal-propagation
#2
Eloise G Zimbelman, Robert F Keefe
Real-time positioning on mobile devices using global navigation satellite system (GNSS) technology paired with radio frequency (RF) transmission (GNSS-RF) may help to improve safety on logging operations by increasing situational awareness. However, GNSS positional accuracy for ground workers in motion may be reduced by multipath error, satellite signal obstruction, or other factors. Radio propagation of GNSS locations may also be impacted due to line-of-sight (LOS) obstruction in remote, forested areas. The objective of this study was to characterize the effects of forest stand characteristics, topography, and other LOS obstructions on the GNSS accuracy and radio signal propagation quality of multiple Raveon Atlas PT GNSS-RF transponders functioning as a network in a range of forest conditions...
2018: PloS One
https://www.readbyqxmd.com/read/29321124/hearing-tests-based-on-biologically-calibrated-mobile-devices-comparison-with-pure-tone-audiometry
#3
Marcin Masalski, Tomasz Grysiński, Tomasz Kręcicki
BACKGROUND: Hearing screening tests based on pure-tone audiometry may be conducted on mobile devices, provided that the devices are specially calibrated for the purpose. Calibration consists of determining the reference sound level and can be performed in relation to the hearing threshold of normal-hearing persons. In the case of devices provided by the manufacturer, together with bundled headphones, the reference sound level can be calculated once for all devices of the same model. OBJECTIVE: This study aimed to compare the hearing threshold measured by a mobile device that was calibrated using a model-specific, biologically determined reference sound level with the hearing threshold obtained in pure-tone audiometry...
January 10, 2018: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/29318443/standardized-effect-sizes-for-preventive-mobile-health-interventions-in-micro-randomized-trials
#4
Brook Luers, Predrag Klasnja, Susan Murphy
Mobile Health (mHealth) interventions are behavioral interventions that are accessible to individuals in their daily lives via a mobile device. Most mHealth interventions consist of multiple intervention components. Some of the components are "pull" components, which require individuals to access the component on their mobile device at moments when they decide they need help. Other intervention components are "push" components, which are initiated by the intervention, not the individual, and are delivered via notifications or text messages...
January 9, 2018: Prevention Science: the Official Journal of the Society for Prevention Research
https://www.readbyqxmd.com/read/29315232/recognition-of-activities-of-daily-living-based-on-environmental-analyses-using-audio-fingerprinting-techniques-a-systematic-review
#5
REVIEW
Ivan Miguel Pires, Rui Santos, Nuno Pombo, Nuno M Garcia, Francisco Flórez-Revuelta, Susanna Spinsante, Rossitza Goleva, Eftim Zdravevski
An increase in the accuracy of identification of Activities of Daily Living (ADL) is very important for different goals of Enhanced Living Environments and for Ambient Assisted Living (AAL) tasks. This increase may be achieved through identification of the surrounding environment. Although this is usually used to identify the location, ADL recognition can be improved with the identification of the sound in that particular environment. This paper reviews audio fingerprinting techniques that can be used with the acoustic data acquired from mobile devices...
January 9, 2018: Sensors
https://www.readbyqxmd.com/read/29304035/wheelchair-tiedown-and-occupant-restraint-practices-in-paratransit-vehicles
#6
Karen Frost, Gina Bertocci, Craig Smalley
The purpose of this study was to characterize wheelchair tiedown and occupant restraint system (WTORS) usage in paratransit vehicles based on observations of wheelchair and scooter (wheeled mobility devices, collectively, "WhMD") passenger trips. A retrospective review of on-board video monitoring recordings of WhMD trips was conducted. Four hundred seventy-five video recordings were collected for review and analysis. The use of all four tiedowns to secure the WhMD was observed more frequently for power WhMDs (82%) and manual WhMDs (80%) compared to scooters (39%), and this difference was significant (p< 0...
2018: PloS One
https://www.readbyqxmd.com/read/29301006/datamonkey-2-0-a-modern-web-application-for-characterizing-selective-and-other-evolutionary-processes
#7
Steven Weaver, Stephen D Shank, Stephanie J Spielman, Michael Li, Spencer V Muse, Sergei L Kosakovsky Pond
Inference of how evolutionary forces have shaped extant genetic diversity is a cornerstone of modern comparative sequence analysis. Advances in sequence generation and increased statistical sophistication of relevant methods now allow researchers to extract ever more evolutionary signal from the data, albeit at an increased computational cost. Here, we announce the release of Datamonkey 2.0, a completely re-engineered version of the Datamonkey web-server for analyzing evolutionary signatures in sequence data...
January 2, 2018: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/29300736/evaluating-authentication-options-for-mobile-health-applications-in-younger-and-older-adults
#8
Kelly Grindrod, Hassan Khan, Urs Hengartner, Stephanie Ong, Alexander G Logan, Daniel Vogel, Robert Gebotys, Jilan Yang
OBJECTIVE: Apps promoting patient self-management may improve health outcomes. However, methods to secure stored information on mobile devices may adversely affect usability. We tested the reliability and usability of common user authentication techniques in younger and older adults. METHODOLOGY: Usability testing was conducted in two age groups, 18 to 30 years and 50 years and older. After completing a demographic questionnaire, each participant tested four authentication options in random order: four-digit personal identification number (PIN), graphical password (GRAPHICAL), Android pattern-lock (PATTERN), and a swipe-style Android fingerprint scanner (FINGERPRINT)...
2018: PloS One
https://www.readbyqxmd.com/read/29299228/comparison-of-strategies-and-performance-of-functional-electrical-stimulation-cycling-in-spinal-cord-injury-pilots-for-competition-in-the-first-ever-cybathlon
#9
Christine Azevedo Coste, Vance Bergeron, Rik Berkelmans, Emerson Fachin Martins, Ché Fornusek, Arnin Jetsada, Kenneth J Hunt, Raymond Tong, Ronald Triolo, Peter Wolf
Functional Electrical Stimulation (FES) can elicit muscular contraction and restore motor function in paralyzed limbs. FES is a rehabilitation technique applied to various sensorimotor deficiencies and in different functional situations, e.g. grasping, walking, standing, transfer, cycling and rowing. FES can be combined with mechanical devices. FES-assisted cycling is mainly used in clinical environments for training sessions on cycle ergometers, but it has also been adapted for mobile devices, usually tricycles...
December 5, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/29295810/physical-activity-assessment-using-an-activity-tracker-in-patients-with-rheumatoid-arthritis-and-axial-spondyloarthritis-prospective-observational-study
#10
Charlotte Jacquemin, Hervé Servy, Anna Molto, Jérémie Sellam, Violaine Foltz, Frédérique Gandjbakhch, Christophe Hudry, Stéphane Mitrovic, Bruno Fautrel, Laure Gossec
BACKGROUND: Physical activity can be tracked using mobile devices and is recommended in rheumatoid arthritis (RA) and axial spondyloarthritis (axSpA) management. The World Health Organization (WHO) recommends at least 150 min per week of moderate to vigorous physical activity (MVPA). OBJECTIVE: The objectives of this study were to assess and compare physical activity and its patterns in patients with RA and axSpA using an activity tracker and to assess the feasibility of mobile devices in this population...
January 2, 2018: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/29294894/cyberbullying-victimization-as-a-predictor-of-cyberbullying-perpetration-body-image-dissatisfaction-healthy-eating-and-dieting-behaviors-and-life-satisfaction
#11
Leslie Ramos Salazar
Cyberbullying victimization and perpetration continues to be a serious public health, criminal justice, victimology, and educational problem in middle schools in the United States. Adolescents are at a higher risk of experiencing cyberbullying as a victim and/or as a bully given the frequency of their use of the Internet via social networking sites such as Facebook and mobile devices such as cell phones and tablets. To address this important problem, the purpose of this investigation was to examine cyberbullying victimization through communication technology as a predictor of cyberbullying perpetration, body image, healthy eating and dieting behaviors, and life satisfaction of sixth-, seventh-, and eighth-grade-level middle school students...
August 1, 2017: Journal of Interpersonal Violence
https://www.readbyqxmd.com/read/29284923/a-prerequisite-for-patient-centred-care-is-empowering-and-engaging-patients-in-the-digital-health-report-from-efmi-special-topic-conference-stc-2017
#12
Simon de Lusignan
The European Federation for Medical Informatics (EFMI) held its Special Topic Conference (STC) in October 2017 in Israel. EFMI holds STC's to focus on a particular issue, whereas its major annual conference Medical Informatics Europe (MIE) has a much wider remit. This conference challenged the informatics community to engage patients in digital health. Examples of the gap in digital engagementfrom the conference contributions include: An app to connect parents to a paediatric emergency department was presented...
December 2017: Acta Informatica Medica: AIM
https://www.readbyqxmd.com/read/29277596/smartphone-usage-patterns-by-canadian-neurosurgery-residents-a-national-cross-sectional-survey
#13
M M Kameda-Smith, C Iorio-Morin, A Winkler-Schwartz, Ahmed S Uzair, D Bergeron, M Bigder, A Dakson, C A Elliott, D Guha, P Lavergne, S Makarenko, M S Taccone, M Tso, B Wang, D Fortin
BACKGROUND: Smartphones and their apps are used ubiquitously in medical practice. However in some cases their use can be at odds with current patient data safety regulations such as Canada's Personal Health Information Protection Act (PHIPA) 2004. In order to assess current practices and inform mobile application development, we sought to better understand mobile device usage patterns amongst Canadian neurosurgery residents. METHODS: Through the Canadian Neurosurgery Research Collaborative (CNRC), an online survey characterizing smartphone ownership and usage patterns was developed and sent to all Canadian neurosurgery resident in April of 2016...
December 22, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29258976/intervention-to-match-young-black-men-and-transwomen-who-have-sex-with-men-or-transwomen-to-hiv-testing-options-all-about-me-protocol-for-a-randomized-controlled-trial
#14
Beryl Koblin, Sabina Hirshfield, Mary Ann Chiasson, Leo Wilton, DaShawn Usher, Vijay Nandi, Donald R Hoover, Victoria Frye
BACKGROUND: HIV testing is a critical component of HIV prevention and care. Interventions to increase HIV testing rates among young black men who have sex with men (MSM) and black transgender women (transwomen) are needed. Personalized recommendations for an individual's optimal HIV testing approach may increase testing. OBJECTIVE: This randomized trial tests the hypothesis that a personalized recommendation of an optimal HIV testing approach will increase HIV testing more than standard HIV testing information...
December 19, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/29243382/bringing-the-bottom-billion-into-basic-literacy-how-we-can-and-why-we-must
#15
Stephanie Gottwald, Robin Morris, Maryanne Wolf, Tinsley Galyean
Close to one billion people in the world do not have basic literacy skills. A key challenge is reaching children in the midst of circumstances that make a traditional school-based approach impractical. This chapter will describe a cross-disciplinary, mobile technology approach to literacy education. The Curious Learning approach distributes research-based, English literacy content on mobile devices to children without access to an adequate school. The software platform is equipped with data collection tools to measure usage patterns and literacy outcomes...
December 2017: New Directions for Child and Adolescent Development
https://www.readbyqxmd.com/read/29236563/feasibility-of-a-modified-ride-on-car-intervention-on-play-behaviors-during-an-inclusive-playgroup
#16
Samantha Mae Ross, Michele Catena, Erica Twardzik, Christina Hospodar, Erika Cook, Apoorva Ayyagari, Kelsey Inskeep, Bethany Sloane, Megan M MacDonald, Samuel W Logan
AIMS: Children with mobility related disabilities often experience limited participation and access to social interactions. An emerging pediatric powered mobility device are modified ride-on cars that provide self-directed mobility experiences to children with disabilities. This study aimed to determine: (1) the feasibility of a modified ride-on car intervention during an inclusive playgroup, (2) the effect of a modified ride-on car intervention on the play behaviors of children with and without mobility related disabilities...
December 13, 2017: Physical & Occupational Therapy in Pediatrics
https://www.readbyqxmd.com/read/29233431/development-and-delivery-of-an-interdisciplinary-course-in-mobile-health-mhealth
#17
Brent I Fox, David A Umphress, Joshua C Hollingsworth
BACKGROUND: Interdisciplinary practice is a primary focus within the United States health care system. Despite the existence of interdisciplinary educational efforts in pharmacy for many years, the practice only recently entered mainstream health care education. Informatics offers interdisciplinary educational opportunities. Mobile health (mHealth), an informatics sub-discipline, is the use of mobile devices for health and wellness activities. We used the mHealth domain as the context for an interdisciplinary learning experience for pharmacy and computer science and software engineering (CSSE) students...
July 2017: Currents in Pharmacy Teaching & Learning
https://www.readbyqxmd.com/read/29232181/resna-position-on-the-application-of-power-mobility-devices-for-pediatric-users
#18
Lauren Rosen, Teresa Plummer, Andrina Sabet, Michelle L Lange, Roslyn Livingstone
This is an official RESNA Position Paper on Clinical and Professional Practice. As such, it has been prepared in accordance with the specific guidelines and approval process defined by the RESNA Board of Directors for Position Papers. See http://www.resna.org/knowledge-center/position-papers-white-papers-and-provision-guides for a complete description of this procedure. Key aspects of this procedure include: Establishment of a Working Group of three or more experts to author the paper, using evidence from the published literature, documented best practices, and other input from experts in the field as the basis for the content...
December 12, 2017: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/29232106/ultrafast-sodiation-of-single-crystalline-sn-anodes
#19
Yong-Seok Choi, Young Woon Byeon, Jun-Hyoung Park, Jong-Hyun Seo, Jae-Pyoung Ahn, Jae-Chul Lee
Sodiation was performed on crystalline Sn cylinders using in situ electron microscopy to evaluate the rate performance of the Sn anode by directly measuring the sodiation rate. We observed that the sodiation rate of the Sn anode is more than two orders of magnitude higher than the lithiation rate of the Si anode under the same conditions. This unprecedented rate displayed by the Na-Sn system is attributed to the bond characteristics and crystalline-to-amorphous transformation of the Sn crystal at the thin interface of the Na-Sn diffusion couple...
December 12, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29230254/a-cross-lingual-mobile-medical-communication-system-prototype-for-foreigners-and-subjects-with-speech-hearing-and-mental-disabilities-based-on-pictograms
#20
Krzysztof Wołk, Agnieszka Wołk, Wojciech Glinkowski
People with speech, hearing, or mental impairment require special communication assistance, especially for medical purposes. Automatic solutions for speech recognition and voice synthesis from text are poor fits for communication in the medical domain because they are dependent on error-prone statistical models. Systems dependent on manual text input are insufficient. Recently introduced systems for automatic sign language recognition are dependent on statistical models as well as on image and gesture quality...
2017: Computational and Mathematical Methods in Medicine
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