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https://www.readbyqxmd.com/read/28916508/development-of-a-whole-slide-imaging-system-on-smartphones-and-evaluation-with-frozen-section-samples
#1
Hong Yu, Feng Gao, Liren Jiang, Shuoxin Ma
BACKGROUND: The aim was to develop scalable Whole Slide Imaging (sWSI), a WSI system based on mainstream smartphones coupled with regular optical microscopes. This ultra-low-cost solution should offer diagnostic-ready imaging quality on par with standalone scanners, supporting both oil and dry objective lenses of different magnifications, and reasonably high throughput. These performance metrics should be evaluated by expert pathologists and match those of high-end scanners. OBJECTIVE: The aim was to develop scalable Whole Slide Imaging (sWSI), a whole slide imaging system based on smartphones coupled with optical microscopes...
September 15, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28855147/consent-processes-for-mobile-app-mediated-research-systematic-review
#2
Sarah Moore, Anne-Marie Tassé, Adrian Thorogood, Ingrid Winship, Ma'n Zawati, Megan Doerr
BACKGROUND: Since the launch of ResearchKit on the iOS platform in March 2015 and ResearchStack on the Android platform in June 2016, many academic and commercial institutions around the world have adapted these frameworks to develop mobile app-based research studies. These studies cover a wide variety of subject areas including melanoma, cardiomyopathy, and autism. Additionally, these app-based studies target a variety of participant populations, including children and pregnant women...
August 30, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28833117/an-evidence-based-forensic-taxonomy-of-windows-phone-communication-apps
#3
Niken Dwi Wahyu Cahyani, Ben Martini, Kim-Kwang Raymond Choo, Nurul Hidayah Ab Rahman, Helen Ashman
Communication apps can be an important source of evidence in a forensic investigation (e.g., in the investigation of a drug trafficking or terrorism case where the communications apps were used by the accused persons during the transactions or planning activities). This study presents the first evidence-based forensic taxonomy of Windows Phone communication apps, using an existing two-dimensional Android forensic taxonomy as a baseline. Specifically, 30 Windows Phone communication apps, including Instant Messaging (IM) and Voice over IP (VoIP) apps, are examined...
August 17, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28816805/development-of-a-mobile-app-for-family-planning-providers
#4
Viannella Halsall, Jennifer Rogers, Jacki Witt, Sejun Song, Hoang Duc Huy Nguyen, Patricia Kelly
PURPOSE: To provide an overview of lessons learned during the development process of an app for iOS and Android based on national recommendations for providing quality family planning services. STUDY AND DESIGN: After a review of existing apps was conducted to determine whether an app of clinical recommendations for family planning existed, a team of clinicians, training specialists, and app developers created a resource app by first drafting a comprehensive content map...
September 2017: MCN. the American Journal of Maternal Child Nursing
https://www.readbyqxmd.com/read/28790342/smartphone-based-multi-contrast-microscope-using-color-multiplexed-illumination
#5
Daeseong Jung, Jun-Ho Choi, Soocheol Kim, Suho Ryu, Wonchan Lee, Jong-Seok Lee, Chulmin Joo
We present a portable multi-contrast microscope capable of producing bright-field, dark-field, and differential phase contrast images of thin biological specimens on a smartphone platform. The microscopy method is based on an imaging scheme termed "color-coded light-emitting-diode (LED) microscopy (cLEDscope)," in which a specimen is illuminated with a color-coded LED array and light transmitted through the specimen is recorded by a color image sensor. Decomposition of the image into red, green, and blue colors and subsequent computation enable multi-contrast imaging in a single shot...
August 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28777029/characterizing-smartphone-engagement-for-schizophrenia-results-of-a-naturalist-mobile-health-study
#6
John Torous, Patrick Staples, Linda Slaters, Jared Adams, Luis Sandoval, J P Onnela, Matcheri Keshavan
INTRODUCTION: Despite growing interest in smartphone apps for schizophrenia, little is known about how these apps are utilized in the real world. Understanding how app users are engaging with these tools outside of the confines of traditional clinical studies offers an important information on who is most likely to use apps and what type of data they are willing to share. METHODS: The Schizophrenia and Related Disorders Alliance of America, in partnership with Self Care Catalyst, has created a smartphone app for schizophrenia that is free and publically available on both Apple iTunes and Google Android Play stores...
August 4, 2017: Clinical Schizophrenia & related Psychoses
https://www.readbyqxmd.com/read/28753827/the-cpc-risk-calculator-a-new-app-to-predict-prostate-specific-antigen-recurrence-during-follow-up-after-radical-prostatectomy
#7
Martin Andreas Røder, Kasper Drimer Berg, Mathias Dyrberg Loft, Frederik Birkebæk Thomsen, Michelle Ferrari, Sorel Kurbegovic, Helene Charlotte Rytgaard, Lisa Gruschy, Klaus Brasso, Thomas Alexander Gerds, Andreas Kjær, James D Brooks, Peter Iversen
BACKGROUND: It can be challenging to predict the risk of biochemical recurrence (BR) during follow-up after radical prostatectomy (RP) in men who have undetectable prostate-specific antigen (PSA), even years after surgery. OBJECTIVE: To establish and validate a contemporary nomogram that predicts the absolute risk of BR every year after RP in men with undetectable PSA while accounting for competing risks of death. DESIGN, SETTING, AND PARTICIPANTS: A total of 3746 patients from Rigshospitalet (Copenhagen, Denmark) and Stanford Urology (Stanford, CA, USA) who underwent RP between 1995 and 2013 were included...
December 9, 2016: European Urology Focus
https://www.readbyqxmd.com/read/28751302/smartphone-based-endoscope-system-for-advanced-point-of-care-diagnostics-feasibility-study
#8
Jung Kweon Bae, Andrey Vavilin, Joon S You, Hyeongeun Kim, Seon Young Ryu, Jeong Hun Jang, Woonggyu Jung
BACKGROUND: Endoscopic technique is often applied for the diagnosis of diseases affecting internal organs and image-guidance of surgical procedures. Although the endoscope has become an indispensable tool in the clinic, its utility has been limited to medical offices or operating rooms because of the large size of its ancillary devices. In addition, the basic design and imaging capability of the system have remained relatively unchanged for decades. OBJECTIVE: The objective of this study was to develop a smartphone-based endoscope system capable of advanced endoscopic functionalities in a compact size and at an affordable cost and to demonstrate its feasibility of point-of-care through human subject imaging...
July 27, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28749320/reliability-of-heart-rate-mobile-apps-in-young-healthy-adults-exploratory-study-and-research-directions
#9
Maria Parpinel, Laura Scherling, Stefano Lazzer, Vincenzo Della Mea
BACKGROUND: Recently, a number of smartphone apps appeared that allow for heart rate measurements basing on the photoplethysmography principle. In fact, almost every smartphone now has a camera with flash that could be used for that. Some studies appeared on the reliability of some of those apps, with heterogeneous results. OBJECTIVES: The present study aims at adding up evidence in particular during physical activity, by comparing 3 apps on two different platforms (IOs and Android), on a broad range of heart rates...
June 30, 2017: Journal of Innovation in Health Informatics
https://www.readbyqxmd.com/read/28725452/mapmysmoke-feasibility-of-a-new-quit-cigarette-smoking-mobile-phone-application-using-integrated-geo-positioning-technology-and-motivational-messaging-within-a-primary-care-setting
#10
Robert S Schick, Thomas W Kelsey, John Marston, Kay Samson, Gerald W Humphris
BACKGROUND: Approximately 11,000 people die in Scotland each year as a result of smoking-related causes. Quitting smoking is relatively easy; maintaining a quit attempt is a very difficult task with success rates for unaided quit attempts stubbornly remaining in the single digits. Pharmaceutical treatment can improve these rates by lowering the overall reward factor of nicotine. However, these and related nicotine replacement therapies do not operate on, or address, the spatial and contextual aspects of smoking behaviour...
2018: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/28722404/high-performance-colorimetric-detection-of-thiosulfate-by-using-silver-nanoparticles-for-smartphone-based-analysis
#11
Chen Dong, Zhuqing Wang, Yujie Zhang, Xuehua Ma, M Zubair Iqbal, Lijing Miao, Zhuangwei Zhou, Zheyu Shen, Aiguo Wu
Developing thiosulfate (S2O3(2-)) sensors with silver nanoparticles (AgNPs) for analysis of aqueous solutions with the interference of other anions remains challenging. In this study, we propose a new strategy for excellent selective colorimetric detection of S2O3(2-). The nonmorphological transition of AgNPs leading to a color change from yellow to brown is verified by UV-vis, TEM, DLS, SEM, and XPS analyses. The sensor exhibits high sensitivity with detection limits of 1.0 μM by naked-eye determination and 0...
August 25, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28719742/integrated-smartphone-app-chip-system-for-on-site-parts-per-billion-level-colorimetric-quantitation-of-aflatoxins
#12
Xiaochun Li, Fan Yang, Jessica X H Wong, Hua-Zhong Yu
We demonstrate herein an integrated, smartphone-app-chip (SPAC) system for on-site quantitation of food toxins, as demonstrated with aflatoxin B1 (AFB1), at parts-per-billion (ppb) level in food products. The detection is based on an indirect competitive immunoassay fabricated on a transparent plastic chip with the assistance of a microfluidic channel plate. A 3D-printed optical accessory attached to a smartphone is adapted to align the assay chip and to provide uniform illumination for imaging, with which high-quality images of the assay chip are captured by the smartphone camera and directly processed using a custom-developed Android app...
September 5, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28707634/mobile-learning-app-a-novel-method-to-teach-clinical-decision-making-in-prosthodontics
#13
Saee Deshpande, Jaishree Chahande, Akhil Rathi
BACKGROUND: Prosthodontics involves replacing lost dentofacial structures using artificial substitutes. Due to availability of many materials and techniques, clinician's clinical decision-making regarding appropriate selection of prosthesis requires critical thinking abilities and is demanding. Especially during graduate training years, learners do not receive the exposure to a variety of cases, thus their clinical reasoning skills are not developed optimally. Therefore, using the trend of incorporating technology in education, we developed a mobile learning app for this purpose...
January 2017: Education for Health: Change in Training & Practice
https://www.readbyqxmd.com/read/28698170/content-analysis-of-smartphone-apps-for-smoking-cessation-in-china-empirical-study
#14
Feng Cheng, Junfang Xu, Chunyan Su, Xiaoxing Fu, Jonathan Bricker
BACKGROUND: With 360 million smokers, China consumes more cigarettes than any other country in the world. Given that 620 million Chinese own smartphones, smartphone apps for smoking cessation are increasingly used in China to help smokers quit. OBJECTIVE: This study analyzed and evaluated the contents of all smoking cessation apps (iOS and Android) available in China, applying the China Clinical Smoking Cessation Guideline (CCSCG; identical to the US Clinical Practice Guideline for Treating Tobacco Use and Dependence) as a framework for analysis...
July 11, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28696681/optical-ph-sensor-covering-the-range-from-ph-0-14-compatible-with-mobile-device-readout-and-based-on-a-set-of-rationally-designed-indicator-dyes
#15
Raúl Gotor, Pichandi Ashokkumar, Mandy Hecht, Karin Keil, Knut Rurack
In this work, a family of pH-responsive fluorescent probes has been designed in a rational manner with the aid of quantum chemistry tools, covering the entire pH range from 0-14. Relying on the boron-dipyrromethene (BODIPY) core, all the probes as well as selected reference dyes display very similar spectroscopic properties with ON-OFF fluorescence switching responses, facilitating optical readout in simple devices used for detection and analysis. Embedding of the probes and reference dyes into hydrogel spots on a plastic strip yielded a test strip that reversibly indicates pH with a considerably small uncertainty of ∼0...
July 27, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28659256/users-adoption-of-mental-health-apps-examining-the-impact-of-information-cues
#16
Hsiao-Ying Huang, Masooda Bashir
BACKGROUND: Numerous mental health apps have been developed and made available to users on the current app market. Users may find it difficult and overwhelming to select apps from the hundreds of choices that are available in the app marketplace. Clarifying what information cues may impact a user's selection and adoption of mental health apps is now a critical and pressing issue. OBJECTIVE: The aim of this study was to investigate the impact of information cues on users' adoption of anxiety apps using observational data from the Android app market...
June 28, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28645891/health-app-use-among-individuals-with-symptoms-of-depression-and-anxiety-a-survey-study-with-thematic-coding
#17
Caryn Kseniya Rubanovich, David C Mohr, Stephen M Schueller
BACKGROUND: Researchers have largely turned to commercial app stores, randomized trials, and systematic reviews to make sense of the mHealth landscape. Few studies have approached understanding by collecting information from target end users. The end user perspective is critical as end user interest in and use of mHealth technologies will ultimately drive the efficacy of these tools. OBJECTIVE: The purpose of this study was to obtain information from end users of mHealth technologies to better understand the physical and mental health apps people use and for what purposes...
June 23, 2017: JMIR Mental Health
https://www.readbyqxmd.com/read/28622818/use-of-a-smartphone-application-to-screen-for-depression-and-suicide-in-south-korea
#18
Seung-Ho Jang, Young Sup Woo, Jeong-Wan Hong, Bo-Hyun Yoon, Tae-Yeon Hwang, Moon-Doo Kim, Sang-Yeol Lee, Won-Myong Bahk
OBJECTIVE: This is a cross-sectional study using a free depression and suicide screening smartphone application, which contains the data from the Center for Epidemiological Studies-Depression (CES-D) and a Suicide Behaviors Questionnaire-Revised (SBQ-R). METHOD: The free application was downloaded worldwide from Apple's App Store and Android Market, and the participants who downloaded the application were actively measured. RESULTS: The subjects totaled 208,683 men and women...
May 2017: General Hospital Psychiatry
https://www.readbyqxmd.com/read/28621247/-aria-2016-executive-summary-integrated-care-pathways-for-predictive-medicine-across-the-life-cycle
#19
Ayşe Arzu Yorgancıoğlu, Ömer Kalaycı, Cemal Cingi, Bilun Gemicioğlu, Ali Fuat Kalyoncu, Iogana Agache, Claus Bachert, Anna Bedbrook, George Walter Canonica, Thomas Casale, Alvaro Cruz, Wytsk Ej Fokkens, Peter Hellings, Boleslaw Samolinski, Jean Bousquet
The Allergic Rhinitis and its Impact on Asthma (ARIA) initiative commenced during a World Health Organization (WHO) workshop in 1999. The initial goals were (i) to propose a new allergic rhinitis classification, (ii) to promote the concept of multi-morbidity in asthma and rhinitis and (iii) to develop guidelines with all stakeholders for global use in all countries and populations. ARIA- disseminated and implemented in over 70 countries globally- is now focusing on the implementation of emerging technologies for individualized and predictive medicine...
March 2017: Tüberküloz Ve Toraks
https://www.readbyqxmd.com/read/28616998/experiencesampler-an-open-source-scaffold-for-building-smartphone-apps-for-experience-sampling
#20
Sabrina Thai, Elizabeth Page-Gould
Experience sampling methods allow researchers to examine phenomena in daily life and provide various advantages that complement traditional laboratory methods. However, existing experience sampling methods may be costly, require constant Internet connectivity, may not be designed specifically for experience sampling studies, or require a custom solution from a computer programming consultant. In this article, we present ExperienceSampler, an open-source scaffold for creating experience-sampling smartphone apps designed for Android and iOS devices...
June 15, 2017: Psychological Methods
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