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https://www.readbyqxmd.com/read/29164861/alcohol-soluble-isoindigo-derivative-iidth-nsb-as-a-novel-modifier-of-zno-in-inverted-polymer-solar-cells
#1
Biao Guo, Jianxiong Han, Jing Qiu, Chengzhuo Yu, Yuqian Sun, Fenghong Li, Zhonghan Hu, Yue Wang
Alcohol-soluble isoindigo derivative with thiophene groups and sulfobetain zwitterions, IIDTh-NSB was applied as a novel modifier of ZnO in the inverted polymer solar cells (i-PSCs). When IIDTh-NSB (0.2mg/mL) was spin-coated on ZnO as an electron transport layer (ETL), power conversion efficiency (PCE) of the PTB7:PC71BM based i-PSCs reached 8.88% which is a 20% improvement of that of 7.40% for the device with pure ZnO ETL. If ZnO was doped by IIDTh-NSB of 1.0 wt%, the PCE of 8.50% could be achieved in the i-PSCs...
November 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29164542/-vr-and-ar-applications-in-medical-practice-and-education
#2
Min-Chai Hsieh, Yu-Hsuan Lin
As technology advances, mobile devices have gradually turned into wearable devices. Furthermore, virtual reality (VR), augmented reality (AR), and mixed reality (MR) are being increasingly applied in medical fields such as medical education and training, surgical simulation, neurological rehabilitation, psychotherapy, and telemedicine. Research results demonstrate the ability of VR, AR, and MR to ameliorate the inconveniences that are often associated with traditional medical care, reduce incidents of medical malpractice caused by unskilled operations, and reduce the cost of medical education and training...
December 2017: Hu Li za Zhi the Journal of Nursing
https://www.readbyqxmd.com/read/29163917/3d-hole-transporting-materials-based-on-coplanar-quinolizino-acridine-for-highly-efficient-perovskite-solar-cells
#3
Mingdao Zhang, Gang Wang, Danxia Zhao, Chengyan Huang, Hui Cao, Mindong Chen
Over the past five years, perovskite solar cells (PSCs) have gained intense worldwide attention in the photovoltaic community due to their low cost and high power conversion efficiencies (PCEs). One of the most significant issues in achieving high PCEs of PSCs is the development of suitable low-cost hole-transporting materials (HTMs). Here, we put forward a new concept of HTMs for PSCs: a 3D structure with a core of coplanar quinolizino acridine, derived from the conventional concept of 2D triphenylamine HTMs...
November 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/29163582/deep-learning-for-image-based-cassava-disease-detection
#4
Amanda Ramcharan, Kelsee Baranowski, Peter McCloskey, Babuali Ahmed, James Legg, David P Hughes
Cassava is the third largest source of carbohydrates for human food in the world but is vulnerable to virus diseases, which threaten to destabilize food security in sub-Saharan Africa. Novel methods of cassava disease detection are needed to support improved control which will prevent this crisis. Image recognition offers both a cost effective and scalable technology for disease detection. New deep learning models offer an avenue for this technology to be easily deployed on mobile devices. Using a dataset of cassava disease images taken in the field in Tanzania, we applied transfer learning to train a deep convolutional neural network to identify three diseases and two types of pest damage (or lack thereof)...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29163120/the-myosuit-bi-articular-anti-gravity-exosuit-that-reduces-hip-extensor-activity-in-sitting-transfers
#5
Kai Schmidt, Jaime E Duarte, Martin Grimmer, Alejandro Sancho-Puchades, Haiqi Wei, Chris S Easthope, Robert Riener
Muscle weakness-which can result from neurological injuries, genetic disorders, or typical aging-can affect a person's mobility and quality of life. For many people with muscle weakness, assistive devices provide the means to regain mobility and independence. These devices range from well-established technology, such as wheelchairs, to newer technologies, such as exoskeletons and exosuits. For assistive devices to be used in everyday life, they must provide assistance across activities of daily living (ADLs) in an unobtrusive manner...
2017: Frontiers in Neurorobotics
https://www.readbyqxmd.com/read/29161046/heavy-metal-free-tannin-from-bark-for-sustainable-energy-storage
#6
Alolika Mukhopadhyay, Yucong Jiao, Rui Katahira, Peter N Ciesielski, Michael E Himmel, Hongli Zhu
A novel renewable cathode made from earth-abundant, low-cost materials can contribute to the intermittent storage needs of renewable energy based society. Inspired by Nature, we report for the first-time tannin as a cathode material. Our approach exploits the charge storage mechanism of the redox active quinone moiety. Tannins extracted from tree bark using environmental friendly aqueous solvents has the highest phenol content (5.56 mol g-1) among all the natural phenolic biopolymers, 5000 times higher than lignin...
November 21, 2017: Nano Letters
https://www.readbyqxmd.com/read/29161024/performance-and-stability-enhancement-of-in-sn-zn-o-tfts-using-sio2-gate-dielectrics-grown-by-low-temperature-atomic-layer-deposition
#7
Jiazhen Sheng, Ju-Hwan Han, Wan-Ho Choi, Jozeph Park, Jin-Seong Park
Silicon dioxide (SiO2) films were synthesized by plasma enhanced atomic layer deposition (PEALD) using BTBAS (bis(tertiarybutylamino) silane) as the precursor and O2 plasma as the reactant, at a temperature range of 50 to 200 °C. While dielectric constant values larger than 3.7 are obtained at all deposition temperatures, the leakage current levels are drastically reduced to below 10-12 A at temperatures above 150 °C, which are similar to those obtained in thermally oxidized and PECVD grown SiO2. Thin film transistors (TFTs) based on In-Sn-Zn-O (ITZO) semiconductors were fabricated using thermal SiO2, PECVD SiO2 and PEALD SiO2 grown at 150 °C as the gate dielectrics, and superior device performance and stability are observed in the last case...
November 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29160686/human-hair-keratin-for-biocompatible-flexible-and-transient-electronic-devices
#8
Jieun Ko, Luong Thi Hieun Nguyen, Abhijith Surendran, Bee Yi Tan, Kee Woei Ng, Wei Lin Leong
Biomaterials have been attracting attention as a useful building block for biocompatible and bioresorbable electronics due to its non-toxic property and solution processabillity. In this work, we report the integration of biocompatible keratin from human hair as dielectric layer for organic thin-film transistors (TFTs), with high performance, flexibility and transient property. The keratin dielectric layer exhibited a high capacitance value above 1.27 μF/cm2 at 20 Hz due to the formation of electrical double layer...
November 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29157326/relative-resistance-of-the-emerging-fungal-pathogen-candida-auris-and-other-candida-species-to-killing-by-ultraviolet-light
#9
Jennifer L Cadnum, Aaron A Shaikh, Christina T Piedrahita, Annette L Jencson, Emily L Larkin, Mahmoud A Ghannoum, Curtis J Donskey
Mobile ultraviolet-C (UV-C) light room decontamination devices are frequently used as an adjunct to standard cleaning in healthcare facilities, but their efficacy in killing Candida species is not clear. In laboratory testing, the emerging multidrug-resistant Candida auris and 2 other Candida species were significantly less susceptible to killing by UV-C than methicillin-resistant Staphylococcus aureus. Infect Control Hosp Epidemiol 2017;1-3.
November 21, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/29157249/biomechanical-study-of-isolated-radial-head-dislocation
#10
Naoki Hayami, Shohei Omokawa, Akio Iida, Jirachart Kraisarin, Hisao Moritomo, Pasuk Mahakkanukrauh, Takamasa Shimizu, Kenji Kawamura, Yasuhito Tanaka
BACKGROUND: Isolated radial head dislocation is a rare injury with an unclear pathomechanism, and the treatment is controversial. The purpose of the present study was to investigate the biomechanical contributions of the annular ligament, quadrate ligament, interosseous membrane, and annular ligament reconstructions to proximal radioulnar joint stability. METHODS: Five fresh frozen cadaveric upper extremities were amputated above the elbow and solidly fixed on a customized jig...
November 21, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29157182/do-surveys-with-paper-and-electronic-devices-differ-in-quality-and-cost-experience-from-the-rufiji-health-and-demographic-surveillance-system-in-tanzania
#11
Oscar Mukasa, Hildegalda P Mushi, Nicolas Maire, Amanda Ross, Don de Savigny
BACKGROUND: Data entry at the point of collection using mobile electronic devices may make data-handling processes more efficient and cost-effective, but there is little literature to document and quantify gains, especially for longitudinal surveillance systems. OBJECTIVE: To examine the potential of mobile electronic devices compared with paper-based tools in health data collection. METHODS: Using data from 961 households from the Rufiji Household and Demographic Survey in Tanzania, the quality and costs of data collected on paper forms and electronic devices were compared...
2017: Global Health Action
https://www.readbyqxmd.com/read/29157032/pain-fatigue-function-and-participation-among-long-term-manual-wheelchair-users-partnered-with-a-mobility-service-dog
#12
Claude Vincent, Dany H Gagnon, Frédéric Dumont
PURPOSE: To assess the effects of a mobility service dog (MSD) on pain, fatigue, wheelchair-related functional tasks, participation and satisfaction among manual wheelchair users over a nine-month period. METHOD: A longitudinal study with repeated assessment times before and three, six and nine months after intervention was achieved. Intervention consisted in partnering each participant with a MSD. The setting is a well-established provincial service dog training school and participants homes...
November 20, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/29156896/proutine-a-feasibility-study-assessing-surveillance-of-electronic-patient-reported-outcomes-and-adherence-via-smartphone-app-in-advanced-cancer
#13
Gesine Benze, Friedemann Nauck, Bernd Alt-Epping, Giuseppe Gianni, Thomas Bauknecht, Johannes Ettl, Anna Munte, Luisa Kretzschmar, Jan Gaertner
BACKGROUND: In advanced cancer, quality of life (QoL) is a major treatment goal. In order to achieve this, the identification of suffering by screening for patient-reported-outcomes (PROs, i.e., symptoms) is of utmost importance. The use of paper-pencil questionnaires is associated with significant shortcomings due to missing data, recall bias and transcription errors. Other than that, the electronic recording of PROs by mobile Health (mHealth) offers a number of advantages. The aim of this study was to test whether the routine assessment of PROs via a newly developed smartphone application (MeQoL®) is feasible...
October 26, 2017: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/29156871/relationship-of-spinal-curvature-mobility-and-low-back-pain-in-women-with-and-without-urinary-incontinence
#14
Şeyda Toprak Çelenay, Derya Özer Kaya
Background/aim: This study aimed to investigate the relationship of sagittal spinal curvature, mobility, and low back pain (LBP) in women with and without urinary incontinence (UI). Materials and methods: Thirty-two women with UI (incontinence group) and 41 women without UI (control group) were included in this study. The sagittal spinal curvature and mobility were assessed with a Spinal Mouse device (IDIAG, Fehraltorf, Switzerland). Urogenital symptom distress, LBP, and disability caused by LBP were assessed using the Urogenital Distress Inventory-6 (UDI-6), a visual analog scale (VAS), and the Oswestry Disability Index (ODI), respectively...
August 23, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29156618/optimized-lateral-flow-immunoassay-reader-for-the-detection-of-infectious-diseases-in-developing-countries
#15
Evdokia Pilavaki, Andreas Demosthenous
Detection and control of infectious diseases is a major problem, especially in developing countries. Lateral flow immunoassays can be used with great success for the detection of infectious diseases. However, for the quantification of their results an electronic reader is required. This paper presents an optimized handheld electronic reader for developing countries. It features a potentially low-cost, low-power, battery-operated device with no added optical accessories. The operation of this proof of concept device is based on measuring the reflected light from the lateral flow immunoassay and translating it into the concentration of the specific analyte of interest...
November 20, 2017: Sensors
https://www.readbyqxmd.com/read/29156162/the-evolution-of-limb-deformity-what-has-changed-over-the-past-ten-years
#16
REVIEW
Jessica L Wilczek, Guido A LaPorta
Limb deformity correction has been widely discussed in orthopedic literature with an increasing interest in technologically based surgical strategies. However, principles described by Ilizarov and Paley still form the basis of these newly developing surgical systems. The recent advances and increased use of computers and mobile devices in the medical arena, along with the application of dynamic hexapod external fixation, have allowed for easier and more convenient strategies, leading to a greater outreach and more confidence in the newer surgeon when faced with addressing a patient with a limb deformity...
January 2018: Clinics in Podiatric Medicine and Surgery
https://www.readbyqxmd.com/read/29153770/rats-exposed-to-2-45ghz-of-non-ionizing-radiation-exhibit-behavioral-changes-with-increased-brain-expression-of-apoptotic-caspase-3
#17
Rini Varghese, Anuradha Majumdar, Girish Kumar, Amit Shukla
In recent years there has been a tremendous increase in use of Wi-Fi devices along with mobile phones, globally. Wi-Fi devices make use of 2.4GHz frequency. The present study evaluated the impact of 2.45GHz radiation exposure for 4h/day for 45days on behavioral and oxidative stress parameters in female Sprague Dawley rats. Behavioral tests of anxiety, learning and memory were started from day 38. Oxidative stress parameters were estimated in brain homogenates after sacrificing the rats on day 45. In morris water maze, elevated plus maze and light dark box test, the 2...
November 14, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/29153044/the-modular-socket-system-in-a-rural-setting-in-indonesia
#18
Bob Giesberts, Liezel Ennion, Olle Hjelmstrom, Agusni Karma, Knut Lechler, Edsko Hekman, Arjen Bergsma
BACKGROUND: Prosthetic services are inaccessible to people living in rural areas. Systems like the modular socket system have the potential to be fabricated outside of the prosthetic workshop. OBJECTIVES: This study aimed to evaluate the patient's performance and satisfaction with the use of the modular socket system, and the technical feasibility of its implementation in a rural setting. STUDY DESIGN: A quantitative longitudinal descriptive study design was followed...
November 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/29148314/clinical-decision-support-systems-in-hospital-care-using-ubiquitous-devices-current-issues-and-challenges
#19
Mirza Mansoor Baig, Hamid GholamHosseini, Aasia A Moqeem, Farhaan Mirza, Maria Lindén
Supporting clinicians in decision making using advanced technologies has been an active research area in biomedical engineering during the past years. Among a wide range of ubiquitous systems, smartphone applications have been increasingly developed in healthcare settings to help clinicians as well as patients. Today, many smartphone applications, from basic data analysis to advanced patient monitoring, are available to clinicians and patients. Such applications are now increasingly integrating into healthcare for clinical decision support, and therefore, concerns around accuracy, stability, and dependency of these applications are rising...
November 1, 2017: Health Informatics Journal
https://www.readbyqxmd.com/read/29148112/big-data-and-data-science-in-healthcare-what-nurses-and-midwives-need-to-know
#20
EDITORIAL
Siobhan O'Connor
The evolution of technology in contemporary society has been accelerating in recent decades, with smaller, more interconnected hardware devices and software applications becoming the norm. As desktop computing paved the way for mobile platforms, which are now transitioning to wearable devices and other sensors, it is inevitable these electronic tools will advance into the realm of nanotechnology and biotechnology in the years to come. As the proliferation of information and communication technology continues it has led to a tsunami of digital data (Bates et al, 2014), which is being collected on many aspects of life...
November 17, 2017: Journal of Clinical Nursing
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