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https://www.readbyqxmd.com/read/28812025/baseline-characteristics-of-the-paediatric-observation-priority-score-in-emergency-departments-outside-its-centre-of-derivation
#1
Damian Roland, Fawaz Arshad, Tim Coats, Ffion Davies
OBJECTIVES AND BACKGROUND: Scoring systems in Emergency Departments (EDs) are rarely validated. This study aimed to examine the Paediatric Observation Priority Score (POPS), a method of quantifying patient acuity, in EDs in the United Kingdom, and determine baseline performance characteristics. METHODS: POPS was implemented in 4 EDs for children (ages of 0 to 16) with participants grouped into 3 categories: discharged from ED, discharged but with return within 7 days, and admitted for less or more than 24 hours...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28811607/localized-iron-accumulation-precedes-nucleation-and-growth-of-magnetite-crystals-in-magnetotactic-bacteria
#2
Jacques Werckmann, Jefferson Cypriano, Christopher T Lefèvre, Kassiogé Dembelé, Ovidiu Ersen, Dennis A Bazylinski, Ulysses Lins, Marcos Farina
Many magnetotactic bacteria (MTB) biomineralize magnetite crystals that nucleate and grow inside intracellular membranous vesicles that originate from invaginations of the cytoplasmic membrane. The crystals together with their surrounding membranes are referred to magnetosomes. Magnetosome magnetite crystals nucleate and grow using iron transported inside the vesicle by specific proteins. Here we address the question: can iron transported inside MTB for the production of magnetite crystals be spatially mapped using electron microscopy? Cultured and uncultured MTB from brackish and freshwater lagoons were studied using analytical transmission electron microscopy in an attempt to answer this question...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811123/emergency-department-involvement-in-accountable-care-organizations-in-massachusetts-a-survey-study
#3
Nissa J Ali, J Michael McWilliams, Stephen K Epstein, Peter B Smulowitz
STUDY OBJECTIVE: We assess Massachusetts emergency department (ED) involvement and internal ED constructs within accountable care organization contracts. METHODS: An online survey was distributed to 70 Massachusetts ED directors. Questions attempted to assess involvement of EDs in accountable care organizations and the structures in place in EDs-from departmental resources to physician incentives-to help achieve accountable care organization goals of decreasing spending and improving quality...
August 12, 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/28810965/the-benefits-and-risks-of-energy-drinks-in-young-adults-and-military-service-members
#4
Julianne Manchester, Inbal Eshel, Donald W Marion
INTRODUCTION: Energy drinks (EDs) have become an integral part of the young adult, athletic, and military culture. Many athletes are convinced that EDs enhance performance, and service members as well as college students frequently use EDs as stimulants to counter sleep deprivation, or to improve academic performance. However, concerns have been raised by some military leaders about potential adverse effects of EDs. MATERIALS AND METHODS: A needs assessment survey of a convenience sample of military health care providers was conducted and identified EDs as a top knowledge need for those providers working in the area of traumatic brain injury (TBI)...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28808853/physicochemical-and-adsorptive-characteristics-of-activated-carbons-from-waste-polyester-textiles-utilizing-mgo-template-method
#5
Zhihua Xu, Daofang Zhang, Zhihang Yuan, Weifang Chen, Tianqi Zhang, Danqi Tian, Haixuan Deng
Activated carbons with high specific surface areas were produced, utilizing waste polyester textiles as carbon precursor by magnesium oxide (MgO) template method. Magnesium chloride (MgCl2), magnesium citrate (MgCi), and MgO were employed as MgO precursors to prepare activated carbons (AC-MgCl2, AC-MgCi, and AC-MgO). Thermogravimetry-differential scanning calorimetry was conducted to investigate the pore-forming mechanism, and N2 adsorption/desorption isotherms, XRD, SEM-EDS, TEM, FTIR and pHpzc were achieved to analyze physicochemical characteristics of the samples...
August 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28808463/micro-push-out-bond-strength-and-bioactivity-analysis-of-a-bioceramic-root-canal-sealer
#6
Ceci Nunes Carvalho, Renata Grazziotin-Soares, George Táccio de Miranda Candeiro, Luis Gallego Martinez, Juliana Pereira de Souza, Patrícia Santos Oliveira, José Bauer, Giulio Gavini
INTRODUCTION: Bioactive endodontic sealers have been developed to improve the quality of root canal obturation. EndoSequence Bioceramic (BC) Sealer is amongst calcium silicate-based materials recently developed for permanent root canal filling. The objective of this study was to evaluate the bioactivity of BC Sealer and its micro push-out bond strength to dentin compared to AH-Plus (AH) sealer. METHODS AND MATERIALS: To perform the micro push-out test, 24 root canals of mandibular premolars were instrumented and divided into two groups (n=12)...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28807686/adsorption-of-zn-ii-ions-by-chitosan-coated-diatomaceous-earth
#7
Suhaib S Salih, Tushar K Ghosh
In this work, chitosan coated diatomaceous earth (CCDE) beads were synthesized by a drop-wise method and characterized by FTIR, BET, SEM, EDS, and zeta potential for Zn(II) ion removal from aqueous solution in batch and continuous processes. Several parameters have been studied such as solution-pH, initial Zn(II) ion concentration, temperature, flow rate, and contact time to investigate the Zn(II) ion uptake. The maximum adsorption capacity of Zn(II) ion onto CCDE beads was 127.4mg/g in batch studies. The adsorption followed Pseudo second order and was well fitted to Langmuir model, indicating monolayer adsorption behavior...
August 11, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28807682/evaluation-and-treatment-of-minors
#8
REVIEW
Lee Benjamin, Paul Ishimine, Madeline Joseph, Sanjay Mehta
Many patients under the age of majority present to emergency departments (EDs) without parents or guardians. This may create concern in regard to evaluation of these patients without formal consent to treat. The Emergency Medical Treatment and Labor Act mandates that all patients presenting to EDs receive a medical screening examination and does not exclude these minors. Standards for who can provide consent for a patient vary from state to state and address important issues such as consent by parent surrogates, as well as adolescent emancipation, reproductive health, mental health, and substance use...
August 5, 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/28807040/management-of-upper-gastrointestinal-bleeding-in-emergency-departments-from-bleeding-symptoms-to-diagnosis-a-prospective-multicenter-observational-study
#9
Pierre-Clément Thiebaud, Youri Yordanov, Jacques-Emmanuel Galimard, Pierre-Alexis Raynal, Sébastien Beaune, Laurent Jacquin, François-Xavier Ageron, Dominique Pateron
BACKGROUND: Upper gastrointestinal bleeding (UGB) is common in emergency departments (EDs) and can be caused by many eso-gastro-duodenal lesions. Most available epidemiological data and data on the management of UGB comes from specialized departments (intensive care units or gastroenterology departments), but little is known from the ED perspective. We aimed to determine the distribution of symptoms revealing UGB in EDs and the hemorrhagic lesions identified by endoscopy. We also describe the characteristics of patients consulting for UGB, UGB management in the ED and patients outcomes...
August 14, 2017: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/28806699/a-portable-synthesis-of-water-soluble-carbon-dots-for-highly-sensitive-and-selective-detection-of-chlorogenic-acid-based-on-inner-filter-effect
#10
Huan Yang, Liu Yang, Yusheng Yuan, Shuang Pan, Jidong Yang, Jingjing Yan, Hui Zhang, Qianqian Sun, Xiaoli Hu
In this work, a simple and facile hydrothermal method for synthesis of water-soluble carbon dots (CDs) with malic acid and urea, and were then employed as a high-performance fluorescent probe for selective and sensitive determination of chlorogenic acid (CGA) based on inner filter effect. The as-synthesized CDs was systematically characterized by Transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), Energy disperse spectroscopy (EDS), UV-vis absorption spectroscopy, spectrofluorophotometry, and the results indicated that the sizes of CDs were mainly distributed in the range of 1...
August 1, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28805724/electroless-nickel-deposition-for-front-side-metallization-of-silicon-solar-cells
#11
Shu Huei Hsieh, Jhong Min Hsieh, Wen Jauh Chen, Chia Chih Chuang
In this work, nickel thin films were deposited on texture silicon by electroless plated deposition. The electroless-deposited Ni layers were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive x-ray spectroscopy (EDS), X-ray diffraction analysis (XRD), and sheet resistance measurement. The results indicate that the dominant phase was Ni₂Si and NiSi in samples annealed at 300-800 °C. Sheet resistance values were found to correlate well with the surface morphology obtained by SEM and the results of XRD diffraction...
August 14, 2017: Materials
https://www.readbyqxmd.com/read/28803593/predictors-of-obtaining-follow-up-care-in-the-province-of-ontario-canada-following-a-new-diagnosis-of-atrial-fibrillation-heart-failure-and-hypertension-in-the-emergency-department
#12
Clare L Atzema, Bing Yu, Noah M Ivers, Paula A Rochon, Douglas S Lee, Michael J Schull, Peter C Austin
OBJECTIVE: Patients with cardiovascular diseases are common in the emergency department (ED), and continuity of care following that visit is needed to ensure that they receive evidence-based diagnostic tests and therapy. We examined the frequency of follow-up care after discharge from an ED with a new diagnosis of one of three cardiovascular diseases. METHODS: We performed a retrospective cohort study of patients with a new diagnosis of heart failure, atrial fibrillation, or hypertension, who were discharged from 157 non-pediatric EDs in Ontario, Canada, between April 2007 and March 2014...
August 14, 2017: CJEM
https://www.readbyqxmd.com/read/28803411/electro-chemical-deposition-of-nano-hydroxyapatite-zinc-coating-on-titanium-metal-substrate
#13
N A El-Wassefy, F M Reicha, N S Aref
BACKGROUND: Titanium is an inert metal that does not induce osteogenesis and has no antibacterial properties; it is proposed that hydroxyapatite coating can enhance its bioactivity, while zinc can contribute to antibacterial properties and improve osseointegration. AIMS: A nano-sized hydroxyapatite-zinc coating was deposited on commercially pure titanium using an electro-chemical process, in order to increase its surface roughness and enhance adhesion properties...
August 13, 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28803152/bioassessment-of-heavy-metal-toxicity-and-enhancement-of-heavy-metal-removal-by-sulfate-reducing-bacteria-in-the-presence-of-zero-valent-iron
#14
Jing Guo, Yong Kang, Ying Feng
A simple and valid toxicity evaluation of Zn(2+), Mn(2+) and Cr(6+) on sulfate-reducing bacteria (SRB) and heavy metal removal were investigated using the SRB system and SRB+Fe(0) system. The heavy metal toxicity coefficient (β) and the heavy metal concentration resulting in 50% inhibition of sulfate reduction (I) from a modeling process were proposed to evaluate the heavy metal toxicity and nonlinear regression was applied to search for evaluation indices β and I. The heavy metal toxicity order was Cr(6+) > Mn(2+) > Zn(2+)...
August 9, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28802783/an-emergency-medicine-primary-care-partnership-to-improve-rural-population-health-expanding-the-role-of-emergency-medicine
#15
Margaret B Greenwood-Ericksen, Renuka Tipirneni, Mahshid Abir
The health of rural America is failing and our traditional approaches have proved ineffective at improving health in rural communities. Rural populations are now a health disparity population, facing higher mortality rates for the 5 leading causes of death compared with their urban counterparts. We must generate novel, rural-specific approaches to solve this challenge-and there is a clear role for the field of emergency medicine. Building on emergency departments' (EDs') expanding role in health care delivery and emergency medicine's increasing involvement in population health, we propose a new health care delivery model for rural population health based on partnership between emergency medicine and primary care that embraces the important role that EDs play in rural areas...
August 5, 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/28802108/do-environmental-factors-affect-male-fathead-minnow-pimephales-promelas-response-to-estrone-part-2-temperature-and-food-availability
#16
N W Shappell, D J Feifarek, D C Rearick, S E Bartell, H L Schoenfuss
Fish are subject to constantly changing environmental conditions and food availability, factors that may impact their response to endocrine disruptors (EDs). This may, in part, explain outcome discrepancies between field studies and laboratory exposures to EDs. This study assessed whether standard laboratory conditions for fish exposures adequately represent effects of ED exposure at two environmentally realistic temperatures. The impact of temperature and food availability on male fathead minnow response to estrone (E1) exposure was studied in two experiments (3×2×2 factorial design) with three E1 concentrations (range 0-135ng/L); two temperatures (18°C and 26°C, the latter the prescribed laboratory temperature), and two feeding treatments (full fed vs...
August 9, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28801685/investigation-on-ti6al4v-v-cr-fe-ss316-multi-layers-metallic-structure-fabricated-by-laser-3d-printing
#17
Wei Li, Frank Liou, Joseph Newkirk, Karen M Brown Taminger, William J Seufzer
Joining titanium alloy and stainless steel is becoming an urgent need since their outstanding mechanical properties can be utilized integratedly. However, direct fusion joining of Ti6Al4V to SS316 can cause brittle Ti-Fe intermetallics which compromise join bonds' mechanical properties. In this research, Laser 3D Printing was applied to explore a new Ti6Al4V to SS316 multi-metallic structure. A novel filler transition route was introduced (Ti6Al4V → V → Cr → Fe → SS316) to avoid the Ti-Fe intermetallics...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28801399/a-randomised-controlled-pilot-trial-evaluating-feasibility-and-acceptability-of-a-computer-based-tool-to-identify-and-reduce-harmful-and-hazardous-drinking-among-adolescents-with-alcohol-related-presentations-in-canadian-pediatric-emergency-departments
#18
Amanda S Newton, Nadia Dow, Kathryn Dong, Eleanor Fitzpatrick, T Cameron Wild, David W Johnson, Samina Ali, Ian Colman, Rhonda J Rosychuk
OBJECTIVE: This study piloted procedures and obtained data on intervention acceptability to determine the feasibility of a definitive randomised controlled trial (RCT) of the effectiveness of a computer-based brief intervention in the emergency department (ED). DESIGN: Two-arm, multi-site, pilot RCT. SETTING AND PARTICIPANTS: Adolescents aged 12-17 years presenting to three Canadian pediatric EDs from July 2010 to January 2013 for an alcohol-related complaint...
August 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28800802/special-considerations-in-the-pediatric-psychiatric-population
#19
REVIEW
Genevieve Santillanes, Ruth S Gerson
Youth with psychiatric and behavioral complaints commonly present to emergency departments (EDs), which often lack dedicated mental health staff. This article addresses techniques EDs can use to better care for children in need of psychiatric assessment and medical clearance, specifically addressing the evaluation of youth with suicidal ideation and coexisting medical and psychiatric needs. The evaluation and management of youth with agitation and aggression are also discussed. The article concludes with a discussion of systems changes needed to truly improve emergency care for psychiatrically ill youth...
September 2017: Psychiatric Clinics of North America
https://www.readbyqxmd.com/read/28800446/synthesis-of-a-hierarchical-sns2-nanostructure-for-efficient-adsorption-of-rhodamine-b-dye
#20
Shuyu Wang, Bin Yang, Yuping Liu
Using Sn(2+) instead of Sn(4+) as Sn source, H2O2 as oxidizer, and l-cysteine as sulphur source and structure-directing agent, hierarchical SnS2 nanostructure built with the thickness of 10nm nanosheets was successfully synthesized by a green hydrothermal process. The morphology and structure of the products were investigated by means of X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) with energy-dispersive X-ray spectrometer (EDS) and Elemental mapping, Fourier transform infrared spectroscopy (FT-IR) and X-ray photoelectron spectroscopy (XPS)...
July 18, 2017: Journal of Colloid and Interface Science
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