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https://www.readbyqxmd.com/read/29138794/noninvasive-cardiac-testing-vs-clinical-evaluation-alone-in-acute-chest-pain-a-secondary-analysis-of-the-romicat-ii-randomized-clinical-trial
#1
Samuel W Reinhardt, Chien-Jung Lin, Eric Novak, David L Brown
Importance: The incremental benefit of noninvasive testing in addition to clinical evaluation (history, physical examination, an electrocardiogram [ECG], and biomarker assessment) vs clinical evaluation alone for patients who present to the emergency department (ED) with acute chest pain is unknown. Objective: To examine differences in outcomes with clinical evaluation and noninvasive testing (coronary computed tomographic angiography [CCTA] or stress testing) vs clinical evaluation alone...
November 14, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/29137906/can-different-physicians-providing-urgent-and-non-urgent-treatment-improve-patient-flow-in-emergency-department
#2
Flora Fei-Fei Yau, Tsung-Cheng Tsai, Yan-Ren Lin, Kuan-Han Wu, Yuan-Jhen Syue, Chao-Jui Li
BACKGROUND: Emergency Department (ED) overcrowding is a worldwide problem, and it might be caused by prolonged patient stay in the ED. This study tried to analyze if different practice models influence patient flow in the ED. MATERIALS AND METHODS: A retrospective, 1-year cohort study was conducted across two EDs in the largest healthcare system in Taiwan. A total of 37,580 adult non-trauma patients were involved in the study. The clinical practice between two ED practice models was compared...
November 6, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29137674/the-development-of-the-parents-a-tool-for-parents-to-assess-residents-non-technical-skills-in-pediatric-emergency-departments
#3
Katherine A Moreau, Kaylee Eady, Kenneth Tang, Mona Jabbour, Jason R Frank, Meaghan Campbell, Stanley J Hamstra
BACKGROUND: Parents can assess residents' non-technical skills (NTS) in pediatric emergency departments (EDs). There are no assessment tools, with validity evidence, for parental use in pediatric EDs. The purpose of this study was to develop the Parents' Assessment of Residents Enacting Non-Technical Skills (PARENTS) educational assessment tool and collect three sources of validity evidence (i.e., content, response process, internal structure) for it. METHODS: We established content evidence for the PARENTS through interviews with physician-educators and residents, focus groups with parents, a literature review, and a modified nominal group technique with experts...
November 14, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/29136851/in-situ-fabrication-of-cobalt-nanoflowers-on-sulfonated-and-fluorinated-poly-arylene-ether-ketone-benzimidazole-template-film-for-the-electrocatalytic-oxidation-of-glucose
#4
Tengfei Wang, Lingling Xi, Jianli Wang
Using sulfonated and fluorinated poly (arylene ether ketone) comprising functional strong coordination group benzimidazole (SPAEK-F-BI) as a template film, a novel fabrication method of cobalt nanoflowers (CoNFs) and non-enzymatic glucose electrochemical sensor was developed in this work. After the precursors Co(2+) ions were cooperatively bound by sulfonate and imidazole functionalities contained in SPAEK-F-BI film through ion exchange and strong coordination action, cobalt colloid nuclei were formed and grew to flower-like nanostructures by subsequent in-situ electrochemical reduction on SPAEK-F-BI film modified GCE...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29136829/au-pt-bimetallic-nanoparticles-decorated-on-sulfonated-nitrogen-sulfur-co-doped-graphene-for-simultaneous-determination-of-dopamine-and-uric-acid
#5
Kangning Zhang, Xiaoling Chen, Zhuang Li, Yan Wang, Sen Sun, Li'na Wang, Tong Guo, Dongxia Zhang, Zhonghua Xue, Xibin Zhou, Xiaoquan Lu
In this work, a novel nanohybrid (AuPtNPs/S-NS-GR) of well-defined Au-Pt bimetallic nanoparticles (Au-PtNPs) decorated on sulfonated nitrogen sulfur co-doped graphene (S-NS-GR) was developed. Firstly, nitrogen sulfur co-doped graphene (NS-GR) was synthesized by one-step thermal annealing method. Secondly, phenyl SO3H- group was introduced onto the surface of NS-GR via diazotization reaction, which could provide more binding sites for the formation of metal nanoparticles. Finally, Au-Pt bimetallic nanoparticles were anchored on the surface of S-NS-GR by using electrochemical deposition...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29136805/the-characterization-of-natural-gemstones-using-non-invasive-ft-ir-spectroscopy-new-data-on-tourmalines
#6
Mariano Mercurio, Manuela Rossi, Francesco Izzo, Piergiulio Cappelletti, Chiara Germinario, Celestino Grifa, Maurizio Petrelli, Alessandro Vergara, Alessio Langella
Fourteen samples of tourmaline from the Real Museo Mineralogico of Federico II University (Naples) have been characterized through multi-methodological investigations (EMPA-WDS, SEM-EDS, LA-ICP-MS, and FT-IR spectroscopy). The samples show different size, morphology and color, and are often associated with other minerals. Data on major and minor elements allowed to identify and classify tourmalines as follows: elbaites, tsilaisite, schorl, dravites, uvites and rossmanite. Non-invasive, non-destructive FT-IR and in-situ analyses were carried out on the same samples to validate this chemically-based identification and classification...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29136314/syncope-prognosis-based-on-emergency-department-diagnosis-a-prospective-cohort-study
#7
Cristian Toarta, Muhammad Mukarram, Kirtana Arcot, Soo-Min Kim, Sarah Gaudet, Marco L A Sivilotti, Brian H Rowe, Venkatesh Thiruganasambandamoorthy
OBJECTIVE: Relatively little is known about outcomes after disposition among syncope patients assigned various diagnostic categories during emergency department (ED) evaluation. We sought to measure the outcomes among these groups within 30 days of the initial ED visit. METHODS: We prospectively enrolled adult syncope patients at six EDs and excluded patients with pre-syncope, persistent mental status changes, intoxication, seizure, and major trauma. Patient characteristics, ED management, diagnostic impression (presumed vasovagal, orthostatic, cardiac, or other/unknown) at the end of the ED visit and physicians' confidence in assigning the etiology were collected...
November 14, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/29131729/yoga-communities-and-eating-disorders-creating-safe-space-for-positive-embodiment
#8
Catherine Cook-Cottone, Laura Lee Douglass
With adequate education and guidance, yoga communities, as part of the therapeutic landscape in the 21st century, can play a significant role promoting positive embodiment for those with, and at-risk for, eating disorders (EDs). To do this, yoga teachers need to know how to create a body-positive community and be able to recognize and respond to those at risk and struggling with EDs in their communities. In order to address yoga teaching methods associated with EDs and ED risk, broader conceptual approaches and specific practices associated with positive embodiment are offered...
November 2017: International Journal of Yoga Therapy
https://www.readbyqxmd.com/read/29131718/is-abstinence-really-the-best-option-exploring-the-role-of-exercise-in-the-treatment-and-management-of-eating-disorders
#9
Danika A Quesnel, Maya Libben, Nelly D Oelke, Marianne I Clark, Sally Willis-Stewart, Cristina M Caperchione
OBJECTIVE: Exercise prescription is suggested to help manage exercise abuse and improve overall eating disorder (ED) prognosis. This study explored emerging perceptions of ED health professionals concerning the role of exercise as a supportive treatment for EDs. METHODS: Semi-structured interviews were conducted with international health professionals (n=13) with expertise in ED treatment. Verbatim transcripts were analyzed through thematic analysis. RESULTS: Four themes were revealed and titled 1) understanding the current state; 2) gaining perspectives; 3) barriers and benefits; 4) one size does not fit all...
November 13, 2017: Eating Disorders
https://www.readbyqxmd.com/read/29131581/template-assisted-enzymatic-synthesis-of-oligopeptides-from-a-polylactide-chain
#10
Jenny Fagerland, Daniela Pappalardo, Björn Schmidt, Per-Olof Syrén, Anna Finne Wistrand
Peptides are often attached to polymer materials, as bioactive components, for the control of interactions between the material and its surrounding proteins and cells. However, synthesizing peptides and attaching them to polymers can be challenging and laborious. Herein, we describe the grafting of oligopeptides to an aliphatic polyester, using a one-step chemo-enzymatic synthesis with papain as the biocatalyst. To enable enzyme-mediated functionalization of the polyester, ethyl hept-6-enoylalaninate (grafter) was synthesized and attached to polylactide chains using thiol-ene click reactions...
November 13, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/29131011/dizziness-and-the-acute-vestibular-syndrome-at-the-emergency-department-a-population-based-descriptive-study
#11
Micaela Ljunggren, Julia Persson, Jonatan Salzer
BACKGROUND: Dizziness is a common occurrence witnessed at emergency departments (EDs). This study aims to describe the epidemiology and management of dizzy patients with and without an acute vestibular syndrome (AVS) in the ED at Umeå University Hospital. METHODS: A total of n = 2,126 ED dizziness visits during 3 years were identified. Data were obtained through retrospective review of medical records. Cases were stratified based on presentation, including AVS and neurological deficits...
November 13, 2017: European Neurology
https://www.readbyqxmd.com/read/29130898/single-step-synthesis-of-er-3-and-yb-3-ions-doped-molybdate-gd2o3-core-shell-nanoparticles-for-biomedical-imaging
#12
Izabela Kaminska, Danek Elbaum, Bozena Sikora, Przemysław Kowalik, Jakub Mikulski, Zofia Felcyn, Piotr Samol, Tomasz Wojciechowski, Roman Minikayev, Wojciech Paszkowicz, Wojciech Zaleszczyk, Maciej Szewczyk, Anna Konopka, Grzegorz Gruzeł, Mirosława Pawlyta, Mikołaj Donten, Kamil Ciszak, Karolina Zajdel, Małgorzata Baniewicz, Piotr Stępień, Mariusz Łapiński, Grzegorz Wilczyński, Krzysztof Fronc
Nanostructures as color-tunable luminescent markers have become major, promising tools for bioimaging and biosensing. The separated molybdate/Gd2O3 doped rare earth ions (erbium, Er(3+) and ytterbium, Yb(3+)) core-shell nanoparticles (NPs), were fabricated by a one step homogeneous precipitation process. Emission properties were studied by cathodo- and photoluminescence. The scanning electron and transmission electron microscopes were used to visualize and to determine the size and shape of the NPs. The spherical NPs were obtained...
November 13, 2017: Nanotechnology
https://www.readbyqxmd.com/read/29129328/insight-on-cytotoxic-effects-of-silver-nanoparticles-alternative-androgenic-transactivation-by-adsorption-with-dht
#13
Jae Soon Kang, June-Woo Park
Silver nanoparticles (AgNPs) are accumulated in the male reproductive organs for a long time and cause several adverse effects in there. Up to now, there is little of information for the cytotoxic effects in male reproductive cells. In this study, the stable AgNPs with a minimal silver ion (Ag(+)) dissolution below concentration inducing cytotoxicity in the cell medium were exposed to the human prostate carcinoma cell line 22Rv1. Moreover particle uptake and androgen receptor (AR) transactivation were evaluated...
November 9, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29128751/a-new-silver-metaniobate-semiconductor-of-ag0-5la0-5nb2o6-with-defect-perovskite-structure
#14
Longqing Mi, Yongyi Feng, Lei Cao, Mingqiang Xue, Yanlin Huang, Lin Qin, Hyo Jin Seo
Silver-containing lanthanum metaniobate Ag0.5La0.5Nb2O6 nanoparticles were synthesized by sol-gel polymerized complex method. A typical defect-perovskite structure was confirmed by XRD Rietveld refinements. The surface characteristics of the sample were tested by SEM, TEM and EDS measurements. SEM and TEM show that the sample presents ball-like particles with the diameters of 100nm to 400nm. The sample shows both self-activated luminescence and photocatalytic activities. Ag0.5La0.5Nb2O6 has a direct transition with band energy of 2...
November 3, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29128681/physicochemical-transformation-of-fe-ni-bimetallic-nanoparticles-during-aging-in-simulated-groundwater-and-the-consequent-effect-on-contaminant-removal
#15
Haoran Dong, Zhao Jiang, Junmin Deng, Cong Zhang, Yujun Cheng, Kunjie Hou, Lihua Zhang, Lin Tang, Guangming Zeng
To assess the fate and long-term reactivity of bimetallic nanoparticles used in groundwater remediation, it is important to trace the physicochemical transformation of nanoparticles during aging in water. This study investigated the short-term (within 5 d) and long-term (up to 90 d) aging process of Fe/Ni bimetallic nanoparticles (Fe/Ni BNPs) in simulated groundwater and the consequent effect on the particle reactivity. Results indicate that the morphological, compositional and structural transformation of Fe/Ni BNPs happened during the aging...
November 4, 2017: Water Research
https://www.readbyqxmd.com/read/29128648/a-hypertension-emergency-department-intervention-aimed-at-decreasing-disparities-design-of-a-randomized-clinical-trial
#16
Heather M Prendergast, Marina Del Rios, Renee Petzel-Gimbar, Daniel Garside, Sara Heinert, Sandra Escobar-Schulz, Pavitra Kotini-Shah, Michael Brown, Jinsong Chen, Joseph Colla, Marian Fitzgibbon, Ramon A Durazo-Arvizu, Martha Daviglus
Effective interventions to identify and treat uncontrolled hypertension (HTN), particularly in underrepresented populations that use the emergency department (ED) for primary care, are critically needed. Uncontrolled HTN contributes significantly to cardiovascular morbidity and mortality and is more frequently encountered among patients presenting to the ED as compared to the primary care setting. EDs serve as the point of entry into the health care system for high-risk patient populations, including minority and low-income patients...
November 8, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/29126948/polymerisation-antibacterial-and-bioactivity-properties-of-experimental-orthodontic-adhesives-containing-triclosan-loaded-halloysite-nanotubes
#17
Felipe Weidenbach Degrazia, Bruna Genari, Vicente Castelo Branco Leitune, Rodrigo Alex Arthur, Santiago Arias Luxan, Susana Maria Werner Samuel, Fabrício Mezzomo Collares, Salvatore Sauro
OBJECTIVE: To evaluate the immediate enamel bond strength, in situ degree of conversion and the polymerisation rate of three experimental orthodontic adhesives containing triclosan-loaded halloysite nanotubes. The antibacterial and bioactivity properties of such experimental materials were also assessed. MATERIALS AND METHODS: Three experimental orthodontic adhesives were formulated by incorporating triclosan-loaded halloysite nanotubes (TCN-HNT) at different concentrations (5wt%, 10wt% and 20wt%) into resin blend (Control)...
November 7, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/29126940/adsorption-of-mercury-ions-from-wastewater-aqueous-solution-by-amide-functionalized-cellulose-from-sugarcane-bagasse
#18
Na Sun, Xue Wen, Chunjie Yan
A novel effective cellulose-based adsorbent was prepared through two common reactions, which included the esterification of sugarcane bagasse cellulose with excess stearic acid and the reaction of grafting polyacrylamide brush by ultraviolet radiation initiation. The adsorbent can effectively adsorb Hg(II) ion from wastewater. The characterization of the adsorbents was conducted by optical microscope (OM), scanning electron microscopy (SEM-EDS) and infrared spectrometry (FTIR). Full kinetic and thermodynamic investigations as well as isotherm analysis were also undertaken...
November 7, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29126515/endocrine-disruptors-eds-and-hormone-dependent-cancers-correlation-or-causal-relationship
#19
Henri Rochefort
The selective increase in the incidence of hormone-dependent cancers (breast, prostate, testicular) in industrialized countries is associated with the increasing number of endocrine disruptors (EDs) in the environment and raises questions about the role of EDs in mammary carcinogenesis. Answering these questions is difficult because the number of EDs is large and varies with time. Moreover hormonal carcinogenesis is multifactorial and progresses slowly and in stages. This discussion will be limited to breast cancer and three EDs: distilbene, bisphenol A (BPA), and dichlorodiphenyltrichloroethane (DDT)...
September 2017: Comptes Rendus Biologies
https://www.readbyqxmd.com/read/29126025/metallurgical-residues-reused-as-filler-after-35years-and-their-natural-weathering-implications-in-a-mountain-area
#20
Leticia Gómez-Nubla, Julene Aramendia, Silvia Fdez-Ortiz de Vallejuelo, Juan Manuel Madariaga
The natural weathering of EAF (Electric Arc Furnace) and LF (Ladle Furnace) steel slag was evaluated through changes in the mineralogical and elemental composition. For that purpose, black steel slag and mixture of black and white steel slag were collected from two forest tracks, where they had been used as filler 19 and 35years ago respectively in a protected mountain area. Primary/original and secondary/degradation compounds were identified by spectroscopic techniques (Raman Spectroscopy, X-Ray Diffraction (XRD) and Scanning Electron Microscopy/Energy Dispersive X-Ray Spectroscopy (SEM/EDS))...
November 7, 2017: Science of the Total Environment
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