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https://www.readbyqxmd.com/read/28732167/quantum-transport-and-subband-structure-of-modulation-doped-gaas-alas-core-superlattice-nanowires
#1
Dominik Irber, Jakob Seidl, Damon James Carrad, Jonathan Becker, Nari Jeon, Bernhard Loitsch, Julia Winnerl, Sonja Matich, Markus Döblinger, Yang Tang, Stefanie Morkötter, Gerhard Abstreiter, Jonathan J Finley, M Grayson, Lincoln Lauhon, Gregor Koblmueller
Modulation-doped III-V semiconductor nanowire (NW) heterostructures have recently emerged as promising candidates to host high-mobility electron channels for future high-frequency, low-energy transistor technologies. The one-dimensional geometry of NWs also makes them attractive for studying quantum confinement effects. Here, we report correlated investigations into the discrete electronic sub-band structure of confined electrons in the channel of Si delta-doped GaAs/AlAs core-superlattice NW heterostructures and the associated signatures in low-temperature transport...
July 21, 2017: Nano Letters
https://www.readbyqxmd.com/read/28729234/mobile-phone-supported-physiotherapy-for-frozen-shoulder-feasibility-assessment-based-on-a-usability-study
#2
Thomas Stütz, Gerlinde Emsenhuber, Daniela Huber, Michael Domhardt, Martin Tiefengrabner, Gertie Janneke Oostingh, Ulrike Fötschl, Nicholas Matis, Simon Ginzinger
BACKGROUND: Patients with frozen shoulder show limited shoulder mobility often accompanied by pain. Common treatment methods include physiotherapy, pain medication, administration of corticosteroids, and surgical capsulotomy. Frozen shoulder often lasts from months to years and mostly affects persons in the age group of 40 to 70 years. It severely reduces the quality of life and the ability to work. OBJECTIVE: The objective of this study was to evaluate the feasibility of a mobile health (mHealth) intervention that supports patients affected by "stage two" frozen shoulder...
July 20, 2017: JMIR Rehabil Assist Technol
https://www.readbyqxmd.com/read/28726680/towards-4d-printed-scaffolds-for-tissue-engineering-exploiting-3d-shape-memory-polymers-to-deliver-time-controlled-stimulus-on-cultured-cells
#3
Wim Hendrikson, Jeroen Rouwkema, Federico Clementi, Clemens A van Blitterswijk, Silvia Fare, Lorenzo Moroni
Tissue engineering needs innovative solutions to better fit the requirements of a minimally-invasive approach, providing at the same time instructive cues to cells. The use of shape memory polyurethane has been investigated by producing 4D scaffolds via 3D printing technology. Scaffolds with two different pore network configurations (0/90° and 0/45°) were characterized by dynamic-mechanical analysis (DMA). The thermo-mechanical analysis showed a Tg at about 32 °C (Tg = Ttrans), indicating no influence of the fabrication process on the transition temperature...
July 20, 2017: Biofabrication
https://www.readbyqxmd.com/read/28723986/the-contributions-of-digital-technologies-in-the-teaching-of-nursing-skills-an-integrative-review
#4
Maurício de Souza Silveira, Ana Luísa Petersen Cogo
Objective: To analyze the contributions of digital educational technologies used in teaching nursing skills. Method: Integrative literature review, search in five databases, from 2006 to 2015 combining the descriptors 'education, nursing', 'educational technology', 'computer-assisted instruction' or related terms in English. Results: Sample of 30 articles grouped in the thematic categories 'technology in the simulation with manikin', 'incentive to learning' and 'teaching of nursing skills'...
July 13, 2017: Revista Gaúcha de Enfermagem
https://www.readbyqxmd.com/read/28719062/immersive-virtual-reality-as-a-teaching-tool-for-neuroanatomy
#5
Katelyn Stepan, Joshua Zeiger, Stephanie Hanchuk, Anthony Del Signore, Raj Shrivastava, Satish Govindaraj, Alfred Iloreta
BACKGROUND: Three-dimensional (3D) computer modeling and interactive virtual reality (VR) simulation are validated teaching techniques used throughout medical disciplines. Little objective data exists supporting its use in teaching clinical anatomy. Learner motivation is thought to limit the rate of utilization of such novel technologies. The purpose of this study is to evaluate the effectiveness, satisfaction, and motivation associated with immersive VR simulation in teaching medical students neuroanatomy...
July 18, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28697744/e-learning-in-graduate-medical-education-survey-of-residency-program-directors
#6
Christopher M Wittich, Anoop Agrawal, David A Cook, Andrew J Halvorsen, Jayawant N Mandrekar, Saima Chaudhry, Denise M Dupras, Amy S Oxentenko, Thomas J Beckman
BACKGROUND: E-learning-the use of Internet technologies to enhance knowledge and performance-has become a widely accepted instructional approach. Little is known about the current use of e-learning in postgraduate medical education. To determine utilization of e-learning by United States internal medicine residency programs, program director (PD) perceptions of e-learning, and associations between e-learning use and residency program characteristics. METHODS: We conducted a national survey in collaboration with the Association of Program Directors in Internal Medicine of all United States internal medicine residency programs...
July 11, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28697057/computerized-virtual-reality-simulation-in-preclinical-dentistry-can-a-computerized-simulator-replace-the-conventional-phantom-heads-and-human-instruction
#7
Anastasios Plessas
In preclinical dental education, the acquisition of clinical, technical skills, and the transfer of these skills to the clinic are paramount. Phantom heads provide an efficient way to teach preclinical students dental procedures safely while increasing their dexterity skills considerably. Modern computerized phantom head training units incorporate features of virtual reality technology and the ability to offer concurrent augmented feedback. The aims of this review were to examine and evaluate the dental literature for evidence supporting their use and to discuss the role of augmented feedback versus the facilitator's instruction...
July 10, 2017: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
https://www.readbyqxmd.com/read/28696832/the-development-and-acceptability-of-a-mobile-application-for-tracking-symptoms-of-heart-failure-among-older-adults
#8
Jennifer Dickman Portz, Anton Vehovec, Mary A Dolansky, Jennifer B Levin, Sheana Bull, Rebecca Boxer
PURPOSE: Heart failure (HF) is common in older adults. With increases in technology use among older adults, mobile applications may provide a solution for older adults to self-manage symptoms of HF. This article discusses the development and acceptability of a HF symptom-tracking mobile application (HF app). METHODOLOGY: The HF app was developed to allow patients to track their symptoms of HF. Thirty (N = 30) older adults completed an acceptability survey after using the mobile app...
July 12, 2017: Telemedicine Journal and E-health: the Official Journal of the American Telemedicine Association
https://www.readbyqxmd.com/read/28678444/evaluating-a-technology-supported-interactive-response-system-during-the-laboratory-section-of-a-histology-course
#9
Vera D Rinaldi, Nancy A Lorr, Kimberly Williams
Monitoring of student learning through systematic formative assessment is important for adjusting pedagogical strategies. However, traditional formative assessments, such as quizzes and written assignments, may not be sufficiently timely for making adjustments to a learning process. Technology supported formative assessment tools assess student knowledge, allow for immediate feedback, facilitate classroom dialogues, and have the potential to modify student learning strategies. As an attempt to integrate technology supported formative assessment in the laboratory section of an upper-level histology course, the interactive application Learning Catalytics(TM) , a cloud-based assessment system, was used...
July 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/28669284/ecological-momentary-assessment-and-intervention-in-the-treatment-of-psychotic-disorders-a-systematic-review
#10
Imogen H Bell, Michelle H Lim, Susan L Rossell, Neil Thomas
OBJECTIVE: Ecological momentary assessment (EMA) and ecological momentary intervention (EMI) are technologies used to track fluctuations in experiences and prompt behavioral responses within the context of a person's daily life. Most commonly delivered via smartphone, EMA and EMI have potential to provide simple, cost-effective, and user-led treatment for psychotic disorders. This systematic review aimed to synthesize current research exploring the feasibility, acceptability, and clinical outcomes of EMA and EMI in the treatment of psychotic disorders...
July 3, 2017: Psychiatric Services: a Journal of the American Psychiatric Association
https://www.readbyqxmd.com/read/28653213/external-input-for-gait-in-people-with-parkinson-s-disease-with-and-without-freezing-of-gait-one-size-does-not-fit-all
#11
Pieter Ginis, Elke Heremans, Alberto Ferrari, Esther M J Bekkers, Colleen G Canning, Alice Nieuwboer
Cueing or feedback provided when gait deviates from a predefined goal (intelligent input) can now be provided with wearable technology for Parkinson's disease (PD). As people with and without freezing of gait (FOG) have distinct cognitive profiles, they may respond differently to various types of input. This study compared the effects of four input modalities during prolonged walking and explored the relationship with cognition, subjective preference, and FOG. Participants (15 with and 13 without FOG) walked 30 min while exposed to continuous cueing; intelligent cueing; intelligent feedback; or no input...
July 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28639069/the-application-of-3d-printing-technology-for-simultaneous-orthognathic-surgery-and-mandibular-contour-osteoplasty-in-the-treatment-of-craniofacial-deformities
#12
Yanju Xiao, Xiumei Sun, Lin Wang, Yaoyao Zhang, Kai Chen, Guomin Wu
BACKGROUND: Because of the limitation of specific preoperative design and surgical templates, orthognathic surgery and mandibular contour osteoplasty are generally performed in two stages. Three-dimensional printing technology has improved the accuracy of the surgery and results in good surgical predictability easily. This study aims to confirm the effectiveness, feasibility and precision of simultaneous mandibular contour osteoplasty and orthognathic surgery with the assistance of 3D printing technology...
June 21, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28632444/the-structural-consequences-of-big-data-driven-education
#13
Elana Zeide
Educators and commenters who evaluate big data-driven learning environments focus on specific questions: whether automated education platforms improve learning outcomes, invade student privacy, and promote equality. This article puts aside separate unresolved-and perhaps unresolvable-issues regarding the concrete effects of specific technologies. It instead examines how big data-driven tools alter the structure of schools' pedagogical decision-making, and, in doing so, change fundamental aspects of America's education enterprise...
June 2017: Big Data
https://www.readbyqxmd.com/read/28627227/smarter-sole-survival
#14
Bijan Najafi, Eyal Ron, Ana Enriquez, Ivan Marin, Javad Razjouyan, David G Armstrong
OBJECTIVE: This study examined adherence to alert-based cues for plantar pressure offloading in patients with diabetic foot disease. METHOD AND DESIGN: Participants (n = 17) with in diabetic foot remission (history of neuropathic ulceration) were instructed to wear a smart insole system (the SurroSense Rx, Orpyx Medical Technologies Inc, Calgary, Canada) over a three-month period. This device is designed to cue offloading to manage unprotected sustained plantar pressures in an effort to prevent foot ulceration...
January 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28616875/stakeholders-qualitative-perspectives-of-effective-telepractice-pedagogy-in-speech-language-pathology
#15
Megan S Overby
BACKGROUND: Academic programmes in speech-language pathology are increasingly providing telehealth/telepractice clinical education to students. Despite this growth, there is little information describing effective ways to teach it. AIMS: The current exploratory study analyzed the perceptions of speech-language pathology/therapy (SLP/SLT) faculty, student and SLP/SLT clinicians to ascertain effective pedagogical approaches for telepractice service delivery, rank the relative importance of telepractice skills and knowledge competencies, and define any pedagogical challenges to teaching them...
June 14, 2017: International Journal of Language & Communication Disorders
https://www.readbyqxmd.com/read/28612599/tobacco-use-prevention-for-the-young-tupy-s-development-validity-and-reliability-of-an-interactive-multimedia-strategy-from-the-adolescents%C3%A2-perspective-in-malaysia
#16
Faridah Mohd Zin, Azlin Hilma Hillaluddin, Jamaludin Mustaffa
Objective: This study aims to develop, validate and determine the reliability of an interactive multimedia strategy to prevent tobacco use among the young (TUPY-S) from an adolescents’ perspective. Methods: A descriptive study design was utilized. A modular instruction guideline by Russel (1974) was followed in the entire process, comprising a feasibility study, a review of existing modules, specification of the objectives, identification of the construct criterion items, learner analysis and entry behavior specification, establishment of the sequence instruction and media selection, a tryout with students and a field test...
May 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28612388/dermatopathology-education-in-the-era-of-modern-technology
#17
REVIEW
Neda Shahriari, Jane Grant-Kels, Michael J Murphy
Continuing technological advances are inevitably impacting the study and practice of dermatopathology. We are seeing the transition from glass slide microscopy to virtual microscopy, which is serving both as an accessible educational medium for medical students, residents and fellows in the form of online databases and atlases, as well as a research tool to better inform us regarding the development of visual diagnostic expertise. Expansion in mobile technology is simplifying slide image attainment and providing greater opportunities for phone- and tablet-based microscopy, including teledermatopathology instruction and consultation in resource-poor areas with lack of specialists...
June 14, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28611895/academic-primer-series-key-papers-about-teaching-with-technology
#18
Megan Boysen-Osborn, Robert Cooney, Michael Gottlieb, Teresa M Chan, Aaron Brown, Andrew King, Adam Tobias, Brent Thoma
INTRODUCTION: Modern learners have immediate, unlimited access to a wide variety of online resources. To appeal to this current generation of learners, educators must embrace the use of technology. However, educators must balance newer, novel technologies with traditional methods to achieve the best learning outcomes. Therefore, we aimed to review several papers useful for faculty members wishing to incorporate technology into instructional design. METHODS: We identified a broad list of papers relevant to teaching and learning with technology within the online discussions of the Academic Life in Emergency Medicine (ALiEM) Faculty Incubator...
June 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28593067/strategies-for-worksite-health-interventions-to-employees-with-elevated-risk-of-chronic-diseases
#19
REVIEW
Lu Meng, Marilyn B Wolff, Kelly A Mattick, David M DeJoy, Mark G Wilson, Matthew Lee Smith
Chronic disease rates have become more prevalent in the modern American workforce, which has negative implications for workplace productivity and healthcare costs. Offering workplace health interventions is recognized as an effective strategy to reduce chronic disease progression, absenteeism, and healthcare costs as well as improve population health. This review documents intervention and evaluation strategies used for health promotion programs delivered in workplaces. Using predetermined search terms in five online databases, we identified 1,131 published items from 1995 to 2014...
June 2017: Safety and Health At Work
https://www.readbyqxmd.com/read/28592290/dna-methylation-based-chromatin-compartments-and-chip-seq-profiles-reveal-transcriptional-drivers-of-prostate-carcinogenesis
#20
Poppy Simmonds, Erick Loomis, Edward Curry
BACKGROUND: Profiles of DNA methylation of many tissues relevant in human disease have been obtained from microarrays and are publicly available. These can be used to generate maps of chromatin compartmentalization, demarcating open and closed chromatin across the genome. Additionally, large sets of genome-wide transcription factor binding profiles have been made available thanks to ChIP-seq technology. METHODS: We have identified genomic regions with altered chromatin compartmentalization in prostate adenocarcinoma tissue relative to normal prostate tissue, using DNA methylation microarray data from The Cancer Genome Atlas...
June 7, 2017: Genome Medicine
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