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https://www.readbyqxmd.com/read/29334393/facile-fabrication-and-characterization-of-two-dimensional-bismuth-iii-sulfide-nanosheets-for-high-performance-photodetector-applications-under-ambient-conditions
#1
Weichun Huang, Chenyang Xing, Yunzheng Wang, Zhongjun Li, Leiming Wu, Dingtao Ma, Xiaoyu Dai, Yuanjiang Xiang, Jianqing Li, Dianyuan Fan, Han Zhang
Two-dimensional (2D) bismuth(iii) sulfide (Bi2S3) nanosheets as non-toxic graphene-like nanomaterials were successfully fabricated by a facile liquid phase exfoliation (LPE) method. A robust photodetector employing a Bi2S3 nanosheet film has been fabricated for the first time via a facile fabrication process on an ITO-coated glass. UV-Vis and Raman spectroscopy techniques were carried out and they confirmed the inherent optical and physical properties of Bi2S3 nanosheets. Photoelectrochemical (PEC) measurements demonstrate that a significantly higher photocurrent density (42 μA cm-2) and enhanced photoresponsivity (210 μA W-1), at a lower bias potential in alkaline solution, of the Bi2S3 nanosheet-based photodetector are achieved, compared with those of other 2D nanomaterial-based photodetectors under light irradiation...
January 15, 2018: Nanoscale
https://www.readbyqxmd.com/read/29333144/did-creatinine-standardization-give-benefits-to-the-evaluation-of-glomerular-filtration-rate
#2
Laurence Piéroni, Anne-Sophie Bargnoux, Jean-Paul Cristol, Etienne Cavalier, Pierre Delanaye
During the last decade, a lot of efforts has been made to improve the evaluation of renal functions. Measured Glomerular Filtration Rate (GFR) remains the only valuable test to confirm or confute the status of chronic kidney disease (CKD) and is recommended by Kidney Disease Global Outcomes guidelines when estimation of GFR is not reliable. However, in routine clinical practice, serum creatinine remains the one of the most prescribed biological parameters and is an undeniable factor, alone or in association with other parameters, of the estimation of GFR...
December 2017: EJIFCC
https://www.readbyqxmd.com/read/29331360/fully-automated-segmentation-of-polycystic-kidneys-from-noncontrast-computed-tomography-a-feasibility-study-and-preliminary-results
#3
Dario Turco, Maddalena Valinoti, Eva Maria Martin, Carlo Tagliaferri, Francesco Scolari, Cristiana Corsi
RATIONALE AND OBJECTIVES: Total kidney volume is an important biomarker for the evaluation of autosomal dominant polycystic kidney disease progression. In this study, we present a novel approach for automated segmentation of polycystic kidneys from non-contrast-enhanced computed tomography (CT) images. MATERIALS AND METHODS: Non-contrast-enhanced CT images were acquired from 21 patients with a diagnosis of autosomal dominant polycystic kidney disease. Kidney volumes obtained from the fully automated method were compared to volumes obtained by manual segmentation and evaluated using linear regression and Bland-Altman analyses...
January 10, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29327230/alcohol-alcoholic-beverages-and-melanoma-risk-a-systematic-literature-review-and-dose-response-meta-analysis
#4
REVIEW
Sara Gandini, Giovanna Masala, Domenico Palli, Benedetta Cavicchi, Calogero Saieva, Ilaria Ermini, Federica Baldini, Patrizia Gnagnarella, Saverio Caini
PURPOSE: Several studies in recent years have investigated the relationship between alcohol intake and melanoma risk, with conflicting results. To help clarify this issue, we conducted a literature review and dose-response meta-analysis of studies published until June 30th, 2017, that examined the association between alcohol intake (overall and by beverage type) and melanoma risk. METHODS: We used random effect models with maximum likelihood estimation to calculate summary relative risk (SRR) and 95% confidence intervals (95%CI)...
January 11, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29327042/transsaccadic-memory-of-multiple-spatially-variant-and-invariant-object-features
#5
Jerrold Jeyachandra, Yoongoo Nam, YoungWook Kim, Gunnar Blohm, Aarlenne Z Khan
Transsaccadic memory is a process by which remembered object information is updated across a saccade. To date, studies on transsaccadic memory have used simple stimuli-that is, a single dot or feature of an object. It remains unknown how transsaccadic memory occurs for more realistic, complex objects with multiple features. An object's location is a central feature for transsaccadic updating, as it is spatially variant, but other features such as size are spatially invariant. How these spatially variant and invariant features of an object are remembered and updated across saccades is not well understood...
January 1, 2018: Journal of Vision
https://www.readbyqxmd.com/read/29327020/magnetic-properties-of-core-shell-nanoparticles-possessing-a-novel-fe-ii-chromia-phase-an-experimental-and-theoretical-approach
#6
Mohammad Delower Hossain, Robert A Mayanovic, Ridwan Sakidja, Mourad Benamara, Richard Wirth
Room-temperature ferrimagnetic and superparamagnetic properties, and the magnetic interactions between the core and shell, of our iron-incorporated chromia-based core shell nanoparticles (CSNs) have been investigated using a combination of experimental measurement and density functional theory (DFT) based calculations. We have synthesized CSNs having an epitaxial shell and well-ordered interface properties by utilizing our hydrothermal nanophase epitaxy (HNE) technique. The ferrimagnetic and superparamagnetic properties of the CSNs are manifested beyond room temperature and magnetic measurements reveal that the exchange bias interaction between the antiferromagnetic (AFM) core and ferrimagnetic (FiM) shell persists close to ambient temperature...
January 12, 2018: Nanoscale
https://www.readbyqxmd.com/read/29324631/pediatric-appendicitis-association-of-chief-complaint-with-missed-appendicitis
#7
Zachary Drapkin, Jennifer Dunnick, Troy E Madsen, Matthew Bryce, Jeff E Schunk
OBJECTIVES: We evaluated the association between the emergency department (ED) triage chief complaint and rate of missed appendicitis in children. METHODS: We performed a retrospective chart review of patients who presented to a pediatric ED and were diagnosed with appendicitis over 5 years (July 1, 2009 to June 30, 2014). We reviewed the medical record for any additional ED visits in the 7 days preceding the diagnosis of appendicitis. Triage chief complaints were classified as "suggestive of appendicitis" (abdominal pain, right lower quadrant pain, or rule out appendicitis) or "nonspecific" (fever, vomiting, dehydration, etc)...
January 11, 2018: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29322507/adherence-to-mediterranean-diet-reduces-incident-frailty-risk-systematic-review-and-meta-analysis
#8
REVIEW
Gotaro Kojima, Christina Avgerinou, Steve Iliffe, Kate Walters
OBJECTIVES: To conduct a systematic review of the literature on prospective cohort studies examining associations between adherence to a Mediterranean diet and incident frailty and to perform a meta-analysis to synthesize the pooled risk estimates. DESIGN: Systematic review and meta-analysis. SETTING: Embase, MEDLINE, CINAHL, PsycINFO, and Cochrane Library were systematically searched on September 14, 2017. We reviewed references of included studies and relevant review papers and performed forward citation tracking for additional studies...
January 11, 2018: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29321942/preventing-stress-related-ill-health-among-newly-registered-nurses-by-supporting-engagement-in-proactive-behaviors-development-and-feasibility-testing-of-a-behavior-change-intervention
#9
Elin Frögéli, Ann Rudman, Brjánn Ljótsson, Petter Gustavsson
Background: Transitioning into a new professional role is a stressful experience with consequences for mental and physical health, job satisfaction, organizational commitment, and turnover. New registered nurses seem to be at particular risk of developing stress-related ill health during their first years in the profession. Previous research indicates that engagement in proactive behaviors may reduce this risk. Methods: With the work presented in this paper, we aimed to test the feasibility of conducting an evaluation of the effect of a behavior change intervention to prevent stress-related ill health among new registered nurses by supporting their engagement in proactive behaviors...
2018: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/29316018/post-mortem-icd-interrogation-in-mode-of-death-classification
#10
Theodora Nikolaidou, Miriam J Johnson, Justin M Ghosh, Carl Marincowitz, Saumil Shah, Michael J Lammiman, Richard J Schilling, Andrew L Clark
BACKGROUND: The definition of sudden death due to arrhythmia relies on the time interval between onset of symptoms and death. However, not all sudden deaths are due to arrhythmia. In patients with an implantable cardioverter defibrillator (ICD) post-mortem device interrogation may help better distinguish the mode of death compared to a time-based definition alone. OBJECTIVE: This study aims to assess the proportion of "sudden" cardiac deaths in patients with an ICD that have confirmed arrhythmia...
January 8, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29315847/tunneling-diode-based-on-wse2-sns2-heterostructure-incorporating-high-detectivity-and-responsivity
#11
Xing Zhou, Xiaozong Hu, Shasha Zhou, Hongyue Song, Qi Zhang, Lejing Pi, Liang Li, Huiqiao Li, Jingtao Lü, Tianyou Zhai
van der Waals (vdW) heterostructures based on atomically thin 2D materials have led to a new era in next-generation optoelectronics due to their tailored energy band alignments and ultrathin morphological features, especially in photodetectors. However, these photodetectors often show an inevitable compromise between photodetectivity and photoresponsivity with one high and the other low. Herein, a highly sensitive WSe2 /SnS2 photodiode is constructed on BN thin film by exfoliating each material and manually stacking them...
January 8, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29315455/home-versus-in-patient-treatment-for-deep-vein-thrombosis
#12
REVIEW
Richard Othieno, Emmanuel Okpo, Rachel Forster
BACKGROUND: Deep vein thrombosis (DVT) occurs when a blood clot blocks blood flow through a vein, which can occur after surgery, after trauma, or when a person has been immobile for a long time. Clots can dislodge and block blood flow to the lungs (pulmonary embolism (PE)), causing death. DVT and PE are known by the term venous thromboembolism (VTE). Heparin (in the form of unfractionated heparin (UFH)) is a blood-thinning drug used during the first three to five days of DVT treatment...
January 9, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29315355/cost-effectiveness-of-food-supplement-and-environmental-interventions-to-address-malnutrition-in-residential-aged-care-a-systematic-review
#13
Cherie Hugo, Elisabeth Isenring, Michelle Miller, Skye Marshall
Background: observational studies have shown that nutritional strategies to manage malnutrition may be cost-effective in aged care; but more robust economic data is needed to support and encourage translation to practice. Therefore, the aim of this systematic review is to compare the cost-effectiveness of implementing nutrition interventions targeting malnutrition in aged care homes versus usual care. Setting: residential aged care homes. Methods: systematic literature review of studies published between January 2000 and August 2017 across 10 electronic databases...
January 5, 2018: Age and Ageing
https://www.readbyqxmd.com/read/29315322/effectiveness-of-nationwide-screening-and-lifestyle-intervention-for-abdominal-obesity-and-cardiometabolic-risks-in-japan-the-metabolic-syndrome-and-comprehensive-lifestyle-intervention-study-on-nationwide-database-in-japan-mets-action-j-study
#14
Yoko M Nakao, Yoshihiro Miyamoto, Kenji Ueshima, Kazuhiro Nakao, Michikazu Nakai, Kunihiro Nishimura, Shinji Yasuno, Kiminori Hosoda, Yoshihiro Ogawa, Hiroshi Itoh, Hisao Ogawa, Kenji Kangawa, Kazuwa Nakao
BACKGROUND: Lifestyle interventions can substantially improve obesity and cardiometabolic risks. However, evidence of long-term benefits of national intervention is sparse. We aimed to evaluate the long-term effectiveness of a nationwide program for abdominal obesity. METHODS: A retrospective cohort study was performed using a longitudinal nationwide individual data in subjects aged 40-74 years who underwent checkups in fiscal year (FY) 2008. Lifestyle interventions were provided via interview in subjects with abdominal obesity and at least one cardiometabolic risk factor...
2018: PloS One
https://www.readbyqxmd.com/read/29314087/ultrasonographic-assessment-of-the-internal-jugular-vein-for-the-estimation-of-central-venous-pressure-in-hemodialysis-patients-a-preliminary-study
#15
Basile Kerleroux, Jeremy Pasco, Mathieu Dupuis, Marine Eustache, Ahmed Lemrabott, Charlotte Jouzel, Catherine Albert, Kevin Janot, Baptiste Morel, André Pruna
PURPOSE: To investigate a new noninvasive method to assess central venous pressure (CVP) in hemodialysis patients, based on the ultrasonographic measurement of the collapsing point of the internal jugular vein (CVPni). MATERIALS AND METHODS: In this preliminary, noninterventional, single center study, we enrolled 22 dialyzed patients with an indwelling jugular catheter. CVPni was compared to the gold-standard invasive measurement of CVP using the central venous catheter (CVPi)...
January 4, 2018: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/29313706/unproven-and-expensive-before-proven-and-cheap-extracorporeal-membrane-oxygenation-vs-prone-position-in-ards
#16
Xue Li, Damon C Scales, Brian P Kavanagh
We identified 810 reports that described ECMO in ARDS, and 61 fulfilled our inclusion criteria (Figure). 61 reports were included, and the authors of 26 (43%) responded to email requests for confirmation (or clarification). Based on the aggregate (published and emailed) information, 9 papers were excluded because key data were unclear; unambiguous data were available relating to 17 papers. These 17 papers represented 672 patients with ARDS who were cannulated with VV-ECMO; of these patients, 208 (31%) received a trial of prone positioning before ECMO, and 464 (69%) did not...
January 9, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29310623/trastuzumab-without-chemotherapy-in-the-adjuvant-treatment-of-breast-cancer-subgroup-results-from-a-large-observational-study
#17
Peter Dall, Thorsten Koch, Thomas Göhler, Johannes Selbach, Andreas Ammon, Jochen Eggert, Nidal Gazawi, Daniela Rezek, Arthur Wischnik, Carsten Hielscher, Nicolas Schleif, Ursula Cirrincione, Axel Hinke, Gabriele Feisel-Schwickardi
BACKGROUND: The topic of trastuzumab therapy without chemotherapy in early breast cancer (EBC) has been repeatedly discussed at international consensus meetings, but is compromised by the lack of solid evidence from clinical studies. METHODS: An observational study database of patients with EBC receiving trastuzumab-containing (neo)adjuvant therapy was screened to identify those patients who did not receive cytostatic agents. RESULTS: Of 3935 patients, 232 (6%) were identified who received no chemotherapy, being characterized by older age, worse performance status, and/or less aggressive histology...
January 8, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29310458/evaluation-of-fus-2000-urine-analyzer-analytical-properties-and-particle-recognition
#18
Miroslava Beňovská, Ondřej Wiewiorka, Jana Pinkavová
This study evaluates the performance of microscopic part of a hybrid analyzer FUS-2000 (Dirui Industrial Co., Changchun, China), its analytical properties and particle recognition. The evaluation of trueness, repeatability, detection limit, carry-over, linearity range and analytical stability was performed according to Dirui protocol guidelines designed by Dirui Company to guarantee the quality of the instrument. Trueness for low, medium and high-value concentrations was calculated with bias of 15.5, 4.7 and -6...
January 8, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29306470/sex-differences-in-left-main-coronary-artery-stenting-different-characteristics-but-similar-outcomes-for-women-compared-with-men
#19
Eun-Seok Shin, Cheol Whan Lee, Jung-Min Ahn, Pil Hyung Lee, Mineok Chang, Min-Ju Kim, Sung-Han Yoon, Duk-Woo Park, Soo-Jin Kang, Seung-Whan Lee, Young-Hak Kim, Seong-Wook Park, Seung-Jung Park
BACKGROUND: The clinical outcomes for women compared with men undergoing left main PCI were sparse. We compared the characteristics and long-term outcomes in women versus men after percutaneous coronary intervention (PCI) with drug-eluting stents (DES) for unprotected left main CAD. METHODS: We identified 2328 patients (545 women; 1783 men) with unprotected left main CAD who received PCI with DES between January 2007 and December 2013 in the Interventional Cardiology Research In-cooperation Society-left MAIN revascularization (IRIS-MAIN) registry...
February 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29304815/association-between-kif6-rs20455-polymorphism-and-the-risk-of-coronary-heart-disease-chd-a-pooled-analysis-of-50-individual-studies-including-40-059-cases-and-64-032-controls
#20
Yan Li, Zhen Chen, Hejian Song
BACKGROUND: The KIF6 rs20455 polymorphism has been verified as an important genetic factor of coronary heart disease (CHD), but with controversial results. The aim of this study was to explore the association between KIF6 rs20455 polymorphism and susceptibility to CHD. METHODS: All eligible studies were identified by searching Medline (mainly PubMed), EMBASE, the Web of Science, Cochrane Collaboration Database, Chinese National Knowledge Infrastructure, Wanfang Database and China Biological Medicine up to October 5, 2016...
January 5, 2018: Lipids in Health and Disease
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