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https://www.readbyqxmd.com/read/29457965/probing-in-plane-anisotropy-in-few-layer-res-2-using-low-frequency-noise-measurement
#1
Richa Mitra, Bhakti Jariwala, Arnab Bhattacharya, Anindya Das
ReS2 , a layered two-dimensional material popular for its in-plane anisotropic properties, is emerging as one of the potential candidates for flexible electronics and ultrafast optical applications. It is an n-type semiconducting material having a layer independent bandgap of 1.55 eV. In this paper we have characterized the intrinsic electronic noise level of few-layer ReS2 for the first time. Few-layer ReS2 field effect transistor devices show a 1/f nature of noise for frequency ranging over three orders of magnitude...
February 19, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29457777/perfect-absorption-graphene-metamaterials-for-surface-enhanced-molecular-fingerprint-spectroscopy
#2
Xiangdong Guo, Hai Hu, Baoxin Liao, Xing Zhu, Xiaoxia Yang, Qing Dai
Graphene plasmon with extremely strong light confinement and tunable resonance
 frequency represents a promising surface-enhanced infrared absorption (SEIRA) sensing platform.
 However, plasmonic absorption is relatively weak (approximately 1%~9%) in monolayer
 graphene nanostructures, which would limit it sensitivity. Here, we theoretically propose a hybrid
 plasmon-metamaterial structure that can realize perfect absorption in graphene with a low carrier
 mobility of 1000 cm<sup>2</sup>/Vs...
February 19, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29457442/-development-and-application-of-artificial-vertebral-body
#3
REVIEW
Jian-Tao Liu, Feng Zhang, Zheng-Chao Gao, Bin-Bin Niu, Yu-Huan Li, Xi-Jing He
Artificial vertebral body has achieved good results in treating spinal tumors, tuberculosis, fracture and other diseases. Currently, artificial vertebral body with variety of kinds and pros and cons, is generally divided into two types: fusion type and movable type. The former according to whether the height could be adjusted and strength of self-stability is divided into three types: support-fixed type, adjust-fixed type and self-fixed type. Whether the height of self-fixed type could be adjusted is dependent on structure of collar thread rotation...
December 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29457346/dual-hole-excitons-activated-photoelectrolysis-in-neutral-solution
#4
Sung-Fu Hung, Zhi-Zhong Chen, Chun-Chih Chang, Chia-Shuo Hsu, Ming-Kang Tsai, Chia-Cheng Kang, Hao Ming Chen
II-VI semiconductors exhibit unique behaviors that can generate dual-holes ("heavy and light"), but the application in photocatalysis is still missing. Herein, an empirical utilization of light/heavy holes in a hybrid metal cluster-2D semiconductor nanoplatelets is reported. This hybrid material can boost the hole-transfer at the surface and suppress the recombination. Different roles are enacted by light-holes and heavy-holes, in which the light-holes with higher energy and mobility can facilitate the slow kinetics of water oxidation and further reduce the onset voltage, while the massive heavy-holes can increase the resulting photocurrent by about five times, achieving a photocurrent of 2 mA cm-2 at 1...
February 19, 2018: Small
https://www.readbyqxmd.com/read/29456806/women-with-hereditary-breast-cancer-predispositions-should-avoid-using-their-smartphones-tablets-and-laptops-at-night
#5
EDITORIAL
Seyed Ali Reza Mortazavi, Seyed Mohammad Javad Mortazavi
Breast cancer is the most common malignancy among women, both in the developed and developing countries. Women with mutations in the BRCA1 and BRCA2 genes have an increased risk of breast and ovarian cancers. Recent studies show that short-wavelength visible light disturb the secretion of melatonin and causes circadian rhythm disruption. We have previously studied the health effects of exposure to different levels of radiofrequency electromagnetic fields (RF-EMFs) such as mobile phones, mobile base stations, mobile phone jammers, laptop computers, and radars...
February 2018: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29456436/learning-activity-predictors-from-sensor-data-algorithms-evaluation-and-applications
#6
Bryan Minor, Janardhan Rao Doppa, Diane J Cook
Recent progress in Internet of Things (IoT) platforms has allowed us to collect large amounts of sensing data. However, there are significant challenges in converting this large-scale sensing data into decisions for real-world applications. Motivated by applications like health monitoring and intervention and home automation we consider a novel problem called Activity Prediction , where the goal is to predict future activity occurrence times from sensor data. In this paper, we make three main contributions...
December 1, 2017: IEEE Transactions on Knowledge and Data Engineering
https://www.readbyqxmd.com/read/29456125/development-and-validation-of-a-tool-to-measure-dietitians-self-efficacy-with-using-mobile-health-apps-in-dietetic-practice
#7
Juliana Chen, Margaret Allman-Farinelli
OBJECTIVE: To develop and validate a tool for assessing dietitians' self-efficacy with using mobile health (mHealth) apps in dietetic practice. DESIGN AND PARTICIPANTS: A tool for measuring mHealth app self-efficacy among dietitians was constructed based on a literature review, consultation with experts, and Bandura's self-efficacy scales development guide. Senior dietetic students and new graduate dietitians in Australia (n = 100) tested the tool. OUTCOME MEASURES AND ANALYSIS: Validation of the tool was conducted using factor analysis...
February 15, 2018: Journal of Nutrition Education and Behavior
https://www.readbyqxmd.com/read/29455904/hypoglossal-nerve-paralysis-in-a-child-after-a-dental-procedure
#8
Simona D Marino, Laura Schiavone, Flavia M C La Mendola, Tiziana Timpanaro, Maria Elena Cucuzza, Filippo Greco, Pierluigi Smilari, Agata Fiumara, Andrea Domenico Praticò
Unilateral palsy of the hypoglossal nerve is a rare complication of orthodontic procedures. The main reported causes of HNP are: orthopedic and otorhinolaryngology surgical interventions, and in particular maneuvers involving compression or overstretching of the hypoglossal nerve, dental procedures and traumas, and also infections, motoneuron disorders, tumors, vascular diseases. Diagnosis is usually performed by electrophysiology studies (EMG-VCN), and brain magnetic resonance imaging (MRI) is useful to exclude other causes...
February 6, 2018: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/29455570/unmet-digital-health-service-needs-in-dermatology-patients
#9
Christian Greis, Christine Meier Zürcher, Vahid Djamei, Andreas Moser, Stephan Lautenschlager, Alexander A Navarini
BACKGROUND: Digital health services are rapidly gaining acceptance in healthcare systems. Dermatology as an image-centric specialty is particularly well suited for telemedical services. However, dermatology patients' demands of electronic services remain largely unexplored. METHODS: This study investigated patients' views in primary, secondary and tertiary referral centers. In August 2017, 841 questionnaires were filled in by dermatology patients. RESULTS: 76...
February 19, 2018: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/29455093/quantitative-determination-of-a-potent-geranylgeranyl-diphosphate-synthase-inhibitor-using-lc-ms-ms-derivatization-and-application
#10
Yashpal S Chhonker, Staci L Haney, Robert A Matthiesen, David F Wiemer, Sarah A Holstein, Daryl J Murry
An isomeric mixture of homogeranyl/homoneryl triazole bisphosphonates (VSW1198) has previously been shown to be a potent inhibitor of geranylgeranyl diphosphate (GGDP) synthase (GGDPS) and of therapeutic interest for the treatment of multiple myeloma. We have developed and validated a selective and sensitive liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS) method for the simultaneous quantitation of both the E- and Z- isomers of VSW1198 in cell culture media, mouse plasma and tissues. VSW1198 and internal standard are extracted from the bio-matrices by solid-phase extraction, followed by derivatization using trimethylsilyldiazomethane...
February 6, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29453979/toward-a-meaningful-definition-of-recovery-after-hip-fracture-comparing-two-definitions-for-community-dwelling-older-adults
#11
Mohammad Auais, Suzanne N Morin, Lois Finch, Sara Ahmed, Nancy Mayo
OBJECTIVES: To examine the course of recovery and resulting health-related quality of life (HRQL) after low-trauma hip fracture using two different definitions of recovery. DESIGN: Inception cohort with eight assessments over one year. SETTING: Participants were recruited from a tertiary-care hospital and followed in the community. INTERVENTION: Not applicable PARTICIPANTS: 47 (75% of all eligible) community-dwelling hip fracture patients (≥65 years)...
February 14, 2018: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29453805/n-heterocyclic-carbene-treated-gold-surfaces-in-pentacene-organic-field-effect-transistors-improved-stability-and-contact-at-the-interface
#12
Aifeng Lv, Matthias Freitag, Kathryn M Chepiga, Andreas H Schäfer, Frank Glorius, Lifeng Chi
N-Heterocyclic carbene (NHC) molecules, which reacted with the surface of Au electrodes, have been successfully applied in the pentacene transistors. With the application of NHCs, the charge carrier mobility of pentacene transistors increased by five times, while the contact resistance at the pentacene-Au interface reduced down to 85%. Even after annealing the NHC-Au electrodes at 200 oC for two hours before pentacene deposition, the charge carrier mobility of the pentacene transistors did not decrease. The distinguished performance renders the NHCs as excellent alternatives to thiols as metal modifiers for the application in organic field-effect transistors (OFETs)...
February 16, 2018: Angewandte Chemie
https://www.readbyqxmd.com/read/29453254/development-of-a-versatile-cas9-driven-subpopulation-selection-toolbox-in-lactococcus-lactis
#13
Simon van der Els, Jennelle K James, Michiel Kleerebezem, Peter A Bron
CRISPR-Cas9 technology has been exploited for the removal or replacement of genetic elements in a wide range of prokaryotes and eukaryotes. Here we describe the extension of the Cas9 application toolbox to the industrially important dairy species Lactococcus lactis The Cas9 expression vector pLABTarget was constructed, encoding the Streptocccus pyogenes Cas9 under control of a constitutive promoter, and allowing plug and play introduction of sgRNA sequences to target specific genetic loci. Introduction of a pepN -targeting derivative of pLABTarget into L...
February 16, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29452259/real-world-evaluation-of-a-mobile-health-application-in-children-with-asthma
#14
David R Stukus, Nabeel Farooqui, Kasey Strothman, Kelsey Ryan, Songzhu Zhao, Jack H Stevens, Daniel M Cohen
No abstract text is available yet for this article.
February 13, 2018: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29452025/subgrouping-the-users-of-a-specialized-app-for-eating-disorders
#15
Shiri Sadeh-Sharvit, Jane Paik Kim, Alison M Darcy, Eric Neri, Molly Vierhile, Athena Robinson, Jenna Tregarthen, James D Lock
Although mobile technologies for eating disorders (EDs) are burgeoning, there is limited data about the clinical characteristics of individuals using specialized smartphone applications (apps) without accompanying traditional forms of treatment. This study evaluated whether the users of an ED app cluster in clinically meaningful groups. Participants were 1,280 app users (91.3% female; mean age 27) who reported not being in a weekly treatment for their ED. A hierarchical cluster analysis distinguished five groups of participants, all approximating DSM-5 ED categories...
February 16, 2018: Eating Disorders
https://www.readbyqxmd.com/read/29451808/implications-of-recent-research-on-microstructure-modifications-through-heat-related-processing-and-trait-alteration-to-bio-functions-molecular-thermal-stability-and-mobility-metabolic-characteristics-and-nutrition-in-cool-climate-cereal-grains-and-other-types
#16
Yuguang Ying, Huihua Zhang, Peiqiang Yu
The cutting-edge synchrotron radiation based and globar-sourced vibrational infrared microspectroscopy have recently been developed. These novel techniques are able to reveal structure features at cellular and molecular levels with the tested tissues being intact. However, to date, the advanced techniques are unfamiliar or unknown to food and feed scientists and have not been used to study the molecular structure changes in cool-climate cereal grain seeds and other types of bio-oil and bioenergy seeds. This article aims to provide some recent research in cool-climate cereal grains and other types of seeds on molecular structures and metabolic characteristics of carbohydrate and protein, and implication of microstructure modification through heat-related processing and trait alteration to bio-functions, molecular thermal stability and mobility, and nutrition with advanced molecular techniques- synchrotron radiation based and globar-sourced vibrational infrared microspectroscopy in the areas of (1) Inherent microstructure of cereal grain seeds; (2) The nutritional values of cereal grains; (3) Impact and modification of heat-related processing to cereal grain; (4) Conventional nutrition evaluation methodology; (5) Synchrotron radiation-based and globar-sourced vibrational (micro)-spectroscopy for molecular structure study and molecular thermal stability and mobility, and (6) Recent molecular spectroscopic technique applications in research on raw, traits altered and processed cool-climate cereal grains and other types of seeds...
February 16, 2018: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/29450427/performance-enhancement-of-carbon-nanotube-thin-film-transistor-by-yttrium-oxide-capping
#17
Jiye Xia, Jie Zhao, Hu Meng, Qi Huang, Guodong Dong, Han Zhang, Fang Liu, Defeng Mao, Xuelei Liang, Lianmao Peng
Carbon nanotube thin film transistors (CNT-TFTs) are regarded as promising technology for active matrix pixel driving circuits of future flat panel displays (FPD). For FPD application, unipolar thin film transistors (TFTs) with high mobility (μ), high on-state current (I ON ), low off-current (I OFF ) at high source/drain bias and small hysteresis are required simultaneously. Though excellent values of those performance metrics have been realized individually in different reports, the overall performance of previously reported CNT-TFTs has not met the above requirements...
February 16, 2018: Nanoscale
https://www.readbyqxmd.com/read/29449958/a-mobile-phone-based-program-to-promote-healthy-behaviors-among-adults-with-prediabetes-study-protocol-for-a-pilot-randomized-controlled-trial
#18
Dina H Griauzde, Jeffrey T Kullgren, Brad Liestenfeltz, Caroline Richardson, Michele Heisler
Background: Rates of participation in Diabetes Prevention Programs (DPPs) are low. This may be due, in part, to low levels of autonomous motivation (i.e., motivation that arises from internal sources and sustains healthy behaviors over time) to prevent type 2 diabetes (T2DM) among many individuals with prediabetes. Mobile health (mHealth) technologies that incorporate principles from the Self-Determination Theory offer an effective and scalable approach to increase autonomous motivation levels...
2018: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/29449298/clinical-validation-of-a-public-health-policy-making-platform-for-hearing-loss-evotion-protocol-for-a-big-data-study
#19
Giorgos Dritsakis, Dimitris Kikidis, Nina Koloutsou, Louisa Murdin, Athanasios Bibas, Katherine Ploumidou, Ariane Laplante-Lévesque, Niels Henrik Pontoppidan, Doris-Eva Bamiou
INTRODUCTION: The holistic management of hearing loss (HL) requires an understanding of factors that predict hearing aid (HA) use and benefit beyond the acoustics of listening environments. Although several predictors have been identified, no study has explored the role of audiological, cognitive, behavioural and physiological data nor has any study collected real-time HA data. This study will collect 'big data', including retrospective HA logging data, prospective clinical data and real-time data via smart HAs, a mobile application and biosensors...
February 15, 2018: BMJ Open
https://www.readbyqxmd.com/read/29449200/mhealth-technology-and-nurse-health-coaching-to-improve-health-in-diabetes-protocol-for-a-randomized-controlled-trial
#20
Sheridan Miyamoto, Madan Dharmar, Sarina Fazio, Yajarayma Tang-Feldman, Heather M Young
BACKGROUND: Chronic diseases, including diabetes mellitus, are the leading cause of mortality and disability in the United States. Current solutions focus primarily on diagnosis and pharmacological treatment, yet there is increasing evidence that patient-centered models of care are more successful in improving and addressing chronic disease outcomes. OBJECTIVE: The objective of this clinical trial is to evaluate the impact of a mobile health (mHealth) enabled nurse health coaching intervention on self-efficacy among adults with type-2 diabetes mellitus...
February 15, 2018: JMIR Research Protocols
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