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Technology acceptance model

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https://www.readbyqxmd.com/read/28103818/a-qualitative-study-to-identify-barriers-to-deployment-and-student-training-in-the-use-of-automated-external-defibrillators-in-schools
#1
Line Zinckernagel, Carolina Malta Hansen, Morten Hulvej Rod, Fredrik Folke, Christian Torp-Pedersen, Tine Tjørnhøj-Thomsen
BACKGROUND: Student training in use of automated external defibrillators and deployment of such defibrillators in schools is recommended to increase survival after out-of-hospital cardiac arrest. Low implementation rates have been observed, and even at schools with a defibrillator, challenges such as delayed access have been reported. The purpose of this study was to identify barriers to the implementation of defibrillator training of students and deployment of defibrillators in schools...
January 19, 2017: BMC Emergency Medicine
https://www.readbyqxmd.com/read/28102368/novel-electron-phonon-relaxation-pathway-in-graphite-revealed-by-time-resolved-raman-scattering-and-angle-resolved-photoemission-spectroscopy
#2
Jhih-An Yang, Stephen Parham, Daniel Dessau, Dmitry Reznik
Time dynamics of photoexcited electron-hole pairs is important for a number of technologies, in particular solar cells. We combined ultrafast pump-probe Raman scattering and photoemission to directly follow electron-hole excitations as well as the G-phonon in graphite after an excitation by an intense laser pulse. This phonon is known to couple relatively strongly to electrons. Cross-correlating effective electronic and phonon temperatures places new constraints on model-based fits. The accepted two-temperature model predicts that G-phonon population should start to increase as soon as excited electron-hole pairs are created and that the rate of increase should not depend strongly on the pump fluence...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28076659/an-empirical-agent-based-model-to-simulate-the-adoption-of-water-reuse-using-the-social-amplification-of-risk-framework
#3
Venu Kandiah, Andrew R Binder, Emily Z Berglund
Water reuse can serve as a sustainable alternative water source for urban areas. However, the successful implementation of large-scale water reuse projects depends on community acceptance. Because of the negative perceptions that are traditionally associated with reclaimed water, water reuse is often not considered in the development of urban water management plans. This study develops a simulation model for understanding community opinion dynamics surrounding the issue of water reuse, and how individual perceptions evolve within that context, which can help in the planning and decision-making process...
January 11, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/28070464/the-acceptability-of-tv-based-game-platforms-as-an-instrument-to-support-the-cognitive-evaluation-of-senior-adults-at-home
#4
Carlos Rivas Costa, Manuel José Fernández Iglesias, Luis Eulogio Anido Rifón, Miguel Gómez Carballa, Sonia Valladares Rodríguez
INTRODUCTION: The computing capabilities of state-of-the-art television sets and media centres may facilitate the introduction of computer-assisted evaluation at home. This approach would help to overcome the drawbacks of traditional pen-and-paper evaluations administered in clinical facilities, as they could be performed in a more comfortable environment, the subject's home, and they would be more flexible for designing complex environments for the evaluation of neuropsychological constructs that are difficult to assess through traditional testing...
2017: PeerJ
https://www.readbyqxmd.com/read/28068149/moderating-factors-influencing-adoption-of-a-mobile-chronic-disease-management-system-in-china
#5
Zhangxiang Zhu, Yongmei Liu, Xiaoling Che, Xiaohong Chen
Mobile chronic disease management systems (MCDMS) have become increasingly important in recent years, but in China, challenges remain for their adoption. Existing empirical studies have not completely explored the adoption behavior of potential MCDMS users. This article presents a study in which we investigated factors that influence chronically ill patients in China and their families to adopt or decline to use MCDMS. We applied a research model based on the technology acceptance model (TAM) as well as four contextual constructs (perceived disease threat, perceived risk, initial trust, and technology anxiety) to a survey of 279 potential MCDMS service participants in China...
January 9, 2017: Informatics for Health & Social Care
https://www.readbyqxmd.com/read/28059562/spatial-and-contrast-resolution-of-ultralow-dose-dentomaxillofacial-ct-imaging-using-iterative-reconstruction-technology
#6
Gerlig Widmann, Alexander Bischel, Andreas Stratis, Hilde Bosmans, Reinhilde Jacobs, Eva-Maria Gassner, Wolfgang Puelacher, Ruben Pauwels
OBJECTIVE: The objective of this study was to determine how iterative reconstruction technology (IRT) influences contrast and spatial resolution in ultralow dose dentomaxillofacial computed tomography (CT) imaging. METHODS: A polymethyl methacrylate phantom with various inserts was scanned using a reference protocol at CTDIvol 36.56 mGy, a sinus protocol at 18.28 mGy, and ultralow dose protocols at 4.17, 2.36, 0.99, and 0.53 mGy. All datasets were reconstructed using filtered back projection (FBP) and the following IRTs: adaptive statistical iterative reconstructions (ASIR-50, ASIR-100), and model-based iterative reconstruction (MBIR)...
January 6, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28057610/designing-ehealth-applications-to-reduce-cognitive-effort-for-persons-with-severe-mental-illness-page-complexity-navigation-simplicity-and-comprehensibility
#7
Armando J Rotondi, Michael R Spring, Barbara H Hanusa, Shaun M Eack, Gretchen L Haas
BACKGROUND: eHealth technologies offer great potential for improving the use and effectiveness of treatments for those with severe mental illness (SMI), including schizophrenia and schizoaffective disorder. This potential can be muted by poor design. There is limited research on designing eHealth technologies for those with SMI, others with cognitive impairments, and those who are not technology savvy. We previously tested a design model, the Flat Explicit Design Model (FEDM), to create eHealth interventions for individuals with SMI...
January 5, 2017: JMIR Human Factors
https://www.readbyqxmd.com/read/28057339/mechanism-and-performance-for-adsorption-of-2-chlorophenol-onto-zeolite-with-surfactant-by-one-step-process-from-aqueous-phase
#8
Sha Peng, Zheng Tang, Wei Jiang, Di Wu, Song Hong, Baoshan Xing
To decrease the power, material, and time consumption in wastewater treatment, a one-step process was performed to remove 2-chlorophenol (2-CP) from aqueous phase using zeolite and cetyltrimethylammonium bromide (CTAB). Compared with the traditional two-step process, the one-step process used in this study achieved almost eight times higher 2-CP adsorption capacity within a shorter time and maintained high removal efficiencies (around 65%) in reuse tests, thus becoming an efficient and economically acceptable alternative process...
January 2, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28057183/immunoth%C3%A3-rapie-une-innovation-de-rupture-non-soutenable-%C3%A3-conomiquement
#9
Jean-Pierre Thierry
A NON-SUSTAINABLE BREAKTHROUGH?: The arrival of new immunotherapy anticancer drugs on the market marks a turning point. Their reference prices are fixed in the US and are positioned at the same level that the anticancer targeted therapies. They benefit from an accelerated approval process and often obtain the status of orphan drugs. The extensions of indications to many cancers and the likely combinations could significantly increase healthcare spending at a level that recently unveiled their non-sustainability, due to unrealistic prices approved by regulators...
November 2016: Bulletin du Cancer
https://www.readbyqxmd.com/read/28056140/benefits-and-limitations-of-entry-level-3-dimensional-printing-of-maxillofacial-skeletal-models
#10
Alex T Legocki, Andrew Duffy-Peter, Andrew R Scott
Importance: A protocol for creating exceptionally low-cost 3-dimensional (3-D) maxillofacial skeletal models does not require proficiency with computer software or intensive labor. Small and less affluent centers can produce models with little loss in accuracy and clinical utility. Objectives: To highlight the feasibility and methods of introducing in-house, entry-level additive manufacturing (3-D printing) technology to otolaryngologic craniofacial reconstruction and to describe its clinical applications and limitations, including a comparison with available vendor models...
January 5, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28054329/a-first-in-human-phase-1-study-of-epirubicin-conjugated-polymer-micelles-k-912-nc-6300-in-patients-with-advanced-or-recurrent-solid-tumors
#11
Hirofumi Mukai, Takahiro Kogawa, Nobuaki Matsubara, Yoichi Naito, Masaoki Sasaki, Ako Hosono
Background K-912 also known as NC-6300 is a novel epirubicin pro-drug conjugate developed using micellar nanoparticle technology. We conducted a first-in-human, Phase 1, open-label, non-randomized dose escalation study to evaluate the safety, tolerability, efficacy, and pharmacokinetics of K-912 administered as monotherapy in patients with advanced or recurrent solid tumors. Methods Patients aged 41 to 72 years with histologically or cytologically confirmed advanced or recurrent malignant solid tumors either refractory to standard therapy or had no other viable treatment options were enrolled...
January 4, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28053074/promoting-adoption-of-the-3rs-through-regulatory-qualification
#12
Elizabeth Gribble Walker, Amanda F Baker, John-Michael Sauer
One mechanism to advance the application of novel safety assessment methodologies in drug development, including in silico or in vitro approaches that reduce the use of animals in toxicology studies, is regulatory qualification. Regulatory qualification, a formal process defined at the the U. S. Food and Drug Administration and the European Medicines Agency, hinges on a central concept of stating an appropriate "context of use" for a novel drug development tool (DDT) that precisely defines how that DDT can be used to support decision making in a regulated drug development setting...
December 2016: ILAR Journal
https://www.readbyqxmd.com/read/28048591/tu-h-206-09-acceptance-testing-of-ultrasound-systems-for-shear-wave-elastography-measurements
#13
Z Long, D Tradup, P Song, S Stekel, S Chen, N Hangiandreou
PURPOSE: Acceptance testing of shear wave elastography on ten ultrasound systems is reported. Furthermore, variations in testing procedures related to coupling medium, number of operators, and phantom homogeneity were investigated. METHODS: Shear wave speed measurements were made on ten systems (GE LOGIQ E9 XDclear 2.0 ultrasound scanner with C1-6 and 9L transducers). Measurements were acquired using the CIRS Model 039 shear wave liver fibrosis phantoms ("soft" and "hard" phantoms, with stiffness of ∼3...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046769/su-g-iep4-15-ultrasound-imaging-of-absorbable-inferior-vena-cava-filters-for-proper-placement
#14
T Mitcham, R Bouchard, A Melancon, M Eggers, M Melancon
PURPOSE: Inferior vena cava filters (IVCFs) are used in patients with a high risk of pulmonary embolism in situations when the use of blood thinning drugs would be inappropriate. These filters are implanted under x-ray guidance; however, this provides a dose of ionizing radiation to both patient and physician. B-mode ultrasound (US) imaging allows for localization of certain implanted devices without radiation dose concerns. The goal of this study was to investigate the feasibility of imaging the placement of absorbable IVCFs using US imaging to alleviate the dosage concern inherent to fluoroscopy...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28032904/simulation-study-of-a-novel-target-oriented-spect-design-using-a-variable-pinhole-collimator
#15
Seungbin Bae, Jaehee Chun, Hyemi Cha, Jung Yeol Yeom, Kisung Lee, Hakjae Lee
PURPOSE: In the past decade, demands for organ specific (target oriented) single photon emission computed tomography (SPECT) is increasing, and several groups have conducted studies on developing clinical dedicated SPECT with pinhole collimator in order to improve the spatial resolution. However acceptance angle of the collimator cannot be adjusted to fit the different ROIs of target objects because the shape of pinhole could not be changed, and the magnifying factor cannot be maximized as the collimator-to-detector distance are fixed...
December 29, 2016: Medical Physics
https://www.readbyqxmd.com/read/28032312/molecular-approaches-in-hfpef-micrornas-and-ipsc-derived-cardiomyocytes
#16
REVIEW
Alison J Kriegel, Melanie Gartz, Muhammad Z Afzal, Willem J de Lange, J Carter Ralphe, Jennifer L Strande
Heart failure with preserved left ventricular ejection fraction (HFpEF) has emerged as one of the largest unmet needs in cardiovascular medicine. HFpEF is increasing in prevalence and causes significant morbidity, mortality, and health care resource utilization. Patients have multiple co-morbidities which contribute to the disease complexity. To date, no effective treatment for HFpEF has been identified. The paucity of cardiac biopsies from this patient population and the absence of well-accepted animal models limit our understanding of the underlying molecular mechanisms of HFpEF...
December 28, 2016: Journal of Cardiovascular Translational Research
https://www.readbyqxmd.com/read/28025557/a-study-of-personal-health-record-user-s-behavioral-model-based-on-the-pmt-and-utaut-integrative-perspective
#17
Hui-Lung Hsieh, Yu-Ming Kuo, Shiang-Ru Wang, Bi-Kun Chuang, Chung-Hung Tsai
The personal health record (PHR) is a system that enables borderless medical care services by combining technological innovation and human consideration. This study explored factors affecting the adoption of PHR from technical, medical, and social perspectives according to the Protection Motivation Theory (PMT) and Unified Theory of Acceptance and Use of Technology (UTAUT) model. A survey using a structured questionnaire was subsequently conducted, which produced the following results: (1) The PMT and UTAUT were effective at predicting PHR usage behaviors; (2) Perceived ease-of-use was the most decisive factor influencing the use of PHR, followed by self-efficacy and perceived usefulness; and (3) Behavioral intention for PHR was significantly and positively correlated with usage behavior...
December 23, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28024852/a-model-for-choosing-an-automated-ultraviolet-c-disinfection-system-and-building-a-case-for-the-c-suite-two-case-reports
#18
Maureen Spencer, Michelle Vignari, Elizabeth Bryce, Helen Boehm Johnson, Loretta Fauerbach, Denise Graham
Environmental disinfection has become the new frontier in the ongoing battle to reduce the risk of health care-associated infections. Evidence demonstrating the persistent contamination of environmental surfaces despite traditional cleaning and disinfection methods has led to the widespread acceptance that there is both a need for reassessing traditional cleaning protocols and for using secondary disinfection technologies. Ultraviolet-C (UV-C) disinfection is one type of no-touch technology shown to be a successful adjunct to manual cleaning in reducing environmental bioburden...
December 23, 2016: American Journal of Infection Control
https://www.readbyqxmd.com/read/28010570/cross-national-comparisons-of-college-students-attitudes-toward-diet-fitness-apps-on-smartphones
#19
Jaehee Cho, H Erin Lee, Margaret Quinlan
OBJECTIVE: Depending on the technology acceptance model (TAM), we explored the nationally-bounded roles of four predictors (subjective norms, entertainment, recordability, and networkability) in determining the TAM variables of perceived usefulness (PU), perceived ease of use (PEOU), and behavioral intention (BI) to use diet/fitness apps on smartphones. PARTICIPANTS/METHODS: College students in the US and South Korea were invited to participate in a survey. We obtained 508 questionnaires (304 from the US, 204 from Korea)...
December 23, 2016: Journal of American College Health: J of ACH
https://www.readbyqxmd.com/read/28008366/pervasive-assistive-technology-for-people-with-dementia-a-ucd-case
#20
Julia Rosemary Thorpe, Kristoffer V H Rønn-Andersen, Paulina Bień, Ali Gürcan Özkil, Birgitte Hysse Forchhammer, Anja M Maier
Smart mobile and wearable technology offers exciting opportunities to support people with dementia (PwD). Its ubiquity and popularity could even benefit user adoption - a great challenge for assistive technology (AT) for PwD that calls for user-centred design (UCD) methods. This study describes a user-centred approach to developing and testing AT based on off-the-shelf pervasive technologies. A prototype is created by combining a smartphone, smartwatch and various applications to offer six support features...
December 2016: Healthcare Technology Letters
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