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https://www.readbyqxmd.com/read/29156218/use-of-luminescent-gunshot-residues-markers-in-forensic-context-part-ii
#1
A M Arouca, M A M Lucena, R J Rossiter, M Talhavini, I T Weber
Gunshot residues (GSR) are important physical evidence in firearm-related crimes. Recently developed non-toxic ammunition, however, requires a new methodology for its characterization. To overcome this drawback, the introduction of noncommercial luminescent markers in ammunition was proposed. These markers, synthesized and added to the gunpowder, presented as a versatile tool for GSR analysis, since they require UV radiation alone to visualize the luminescent GSR (LGSR). This has opened up new perspectives for understanding GSR behavior at a crime scene...
November 6, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29155471/alcohol-related-harm-in-emergency-departments-a-prospective-multicentre-study
#2
Assoc Prof Diana Egerton-Warburton, Andrew Gosbell, Katie Moore, Angela Wadsworth, Drew Richardson, Daniel M Fatovich
BACKGROUND: Emergency department alcohol-related presentation data are not routinely collected. It is likely that previous research has underestimated the numbers of patients presenting with alcohol-related conditions. DESIGN: Multicentre, prospective study. Patients were prospectively screened for alcohol-related presentations over a seven-day period in December 2014. Part one involved screening to determine alcohol positive ED presentations, and data collection of patient demographic and clinical information...
November 20, 2017: Addiction
https://www.readbyqxmd.com/read/29121783/trends-in-upper-extremity-injuries-presenting-to-us-emergency-departments
#3
Eric Wenzinger, Angel Rivera-Barrios, Gil Gonzalez, Fernando Herrera
BACKGROUND: The purpose of this study was to identify the incidence of upper extremity injuries presenting to emergency departments (EDs) nationally. METHODS: The Nationwide Emergency Department Sample (NEDS) database was queried using International Classification of Diseases, Ninth Revision (ICD-9) codes specific for hand/wrist injuries to identify national estimates of ED visits. The incidence, mean age, gender, payer mix, hospital type, location (metropolitan vs nonmetropolitan), and geographic region were recorded...
November 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29111516/an-arsenate-with-the-%C3%AE-crpo4-structure-type-naca1-xni3-2xal2x-aso4-3-x-0-23-crystal-structure-charge-distribution-and-bond-valence-sum-analyses
#4
Ridha Ben Smail, Mohamed Faouzi Zid
Since the discovery of electrochemically active LiFePO4, materials with tunnel and layered structures built up of transition metals and polyanions have become the subject of much research. A new quaternary arsenate, sodium calcium trinickel aluminium triarsenate, NaCa1-xNi3-2xAl2x(AsO4)3 (x = 0.23), was synthesized using the flux method in air at 1023 K and its crystal structure was determined from single-crystal X-ray diffraction (XRD) data. This material was also characterized by qualitative energy-dispersive X-ray spectroscopy (EDS) analysis and IR spectroscopy...
November 1, 2017: Acta Crystallographica. Section C, Structural Chemistry
https://www.readbyqxmd.com/read/29109820/time-of-application-of-sodium-ascorbate-on-bonding-to-bleached-dentin
#5
Kyoung-Hwa Jung, Eun-Mi Seon, An-Na Choi, Yong-Hoon Kwon, Sung-Ae Son, Jeong-Kil Park
This study examined the effects of different application times of sodium ascorbate (SA) on the bond strength of composite resin to bleached dentin. Specimens with an exposed dentin surface were divided into 3 groups according to the type of bleaching agent used: Group A, mixture of sodium perborate (SP) and distilled water (DW); Group B, mixture of SP and hydrogen peroxide (HP); control group, no bleaching. Each group was classified into 10 subgroups. Subgroups IB and DB underwent immediate bonding and delayed bonding, respectively...
2017: Scanning
https://www.readbyqxmd.com/read/29103100/surface-and-adsorptive-properties-of-moringa-oleifera-bark-for-removal-of-v-v-from-aqueous-solutions
#6
Robert Londi Mnisi, Peter Papoh Ndibewu
The bark of Moringa oleifera, a cheap and readily available natural biopolymeric resource material, found to significantly reduce coliform load and turbidity in contaminated water is investigated in this paper. Its surface and adsorptive properties are investigated to explore its adsorptive potential in removing V(V) from aqueous solutions. Surface properties were investigated using FTIR, HRSEM/EDS, IC, and BET-N2 adsorption techniques. Adsorptive properties were investigated by optimizing adsorption parameters such as pH, temperature, initial metal concentration, and adsorbent dosage, using V(V) as an adsorbate...
November 4, 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28988327/the-ethics-of-biomedical-big-data-brent-daniel-mittelstadt-and-luciano-floridi-eds-2016-springer-international-publishing-cham-switzerland-978-3-319-33523-0-480-pp
#7
Paul H Mason
The availability of diverse sources of data related to health and illness from various types of modern communication technology presents the possibility of augmenting medical knowledge, clinical care, and the patient experience. New forms of data collection and analysis will undoubtedly transform epidemiology, public health, and clinical practice, but what ethical considerations come in to play? With a view to analysing the ethical and regulatory dimensions of burgeoning forms of biomedical big data, Brent Daniel Mittelstadt and Luciano Floridi have brought together thirty scholars in an edited volume that forms part of Springer's Law, Governance and Technology book series in a collection titled The Ethics of Biomedical Big Data...
October 7, 2017: Journal of Bioethical Inquiry
https://www.readbyqxmd.com/read/28987133/implementing-change-evaluating-the-accelerated-chest-pain-risk-evaluation-acre-project
#8
William A Parsonage, Tanya Milburn, Sarah Ashover, Wade Skoien, Jaimi H Greenslade, Louise McCormack, Louise Cullen
OBJECTIVE: To evaluate hospital length of stay (LOS) and admission rates before and after implementation of an evidence-based, accelerated diagnostic protocol (ADP) for patients presenting to emergency departments (EDs) with chest pain. DESIGN: Quasi-experimental design, with interrupted time series analysis for the period October 2013 - November 2015. Setting, participants: Adults presenting with chest pain to EDs of 16 public hospitals in Queensland. INTERVENTION: Implementation of the ADP by structured clinical re-design...
August 4, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/28960240/elder-friendly-emergency-department-development-and-validation-of-a-quality-assessment-tool
#9
Jane McCusker, T T Minh Vu, Nathalie Veillette, Sylvie Cossette, Alain Vadeboncoeur, Antonio Ciampi, Deniz Cetin-Sahin, Eric Belzile
OBJECTIVES: To develop and validate a comprehensive quality assessment tool for emergency department (ED) geriatric care. DESIGN: Four-step study: (1) Content development of tool by a multidisciplinary panel, (2) survey of ED lead physicians and nurses, (3) development of subscales using principal component analysis and clinical judgment, (4) reliability and validity assessment. SETTING: Province of Quebec, Canada. PARTICIPANTS: Lead ED nurses and physicians at 76 Quebec EDs who participated in a 2013/14 survey (66% of 116 adult nonpsychiatric EDs in the province)...
September 27, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28946502/ultrasound-assisted-synthesis-of-iron-doped-tio2-catalyst
#10
Rohini Ambati, Parag R Gogate
The present work deals with synthesis of Fe (III) doped TiO2 catalyst using the ultrasound assisted approach and conventional sol-gel approach with an objective of establishing the process intensification benefits. Effect of operating parameters such as Fe doping, type of solvent, solvent to precursor ratio and initial temperature has been investigated to get the best catalyst with minimum particle size. Comparison of the catalysts obtained using the conventional and ultrasound assisted approach under the optimized conditions has been performed using the characterization techniques like DLS, XRD, BET, SEM, EDS, TEM, FTIR and UV-Vis band gap analysis...
January 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28916590/us-emergency-department-trends-in-imaging-for-pediatric-nontraumatic-abdominal-pain
#11
Lauren M Niles, Monika K Goyal, Gia M Badolato, James M Chamberlain, Joanna S Cohen
OBJECTIVES: To describe national emergency department (ED) trends in computed tomography (CT) and ultrasound imaging for the evaluation of pediatric nontraumatic abdominal pain from 2007 through 2014. METHODS: We used data from the National Hospital Ambulatory Medical Care Survey to measure trends in CT and ultrasound use among children with nontraumatic abdominal pain. We performed multivariable logistic regression to measure the strength of the association of ED type (pediatric versus general ED) with CT and ultrasound use adjusting for potential confounding variables...
October 2017: Pediatrics
https://www.readbyqxmd.com/read/28914852/-efficiency-of-immunosuppressive-therapy-in-virus-negative-and-virus-positive-patients-with-morphologically-verified-lymphocytic-myocarditis
#12
O V Blagova, A V Nedostup, E A Kogan, V A Sulimov
AIM: To evaluate the efficiency of immunosuppressive therapy (IST) in virus-negative (V-) and virus-positive (V+) patients with lymphocytic myocarditis (LM). SUBJECTS AND METHODS: 60 patients (45 males) (mean age 46.7±11.8 years) with dilated cardiomyopathy (mean left ventricular (LV) end diastolic size (EDS) 6.7±0.7 cm; ejection fraction (EF) 26.2±9.1%) were examined. The diagnosis of active/borderline LM was verified by right ventricular endomyocardial biopsy in 38 patients, by intraoperative LV biopsy in 10, in the study of explanted hearts from 3 patients and at autopsy in 9...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28905252/human-and-equipment-resources-for-difficult-airway-management-airway-education-programs-and-capnometry-use-in-japanese-emergency-departments-a-nationwide-cross-sectional-study
#13
Yuko Ono, Koichi Tanigawa, Kazuaki Shinohara, Tetsuhiro Yano, Kotaro Sorimachi, Ryota Inokuchi, Jiro Shimada
BACKGROUND: Although human and equipment resources, proper training, and the verification of endotracheal intubation are vital elements of difficult airway management (DAM), their availability in Japanese emergency departments (EDs) has not been determined. How ED type and patient volume affect DAM preparation is also unclear. We conducted the present survey to address this knowledge gaps. METHODS: This nationwide cross-sectional study was conducted from April to September 2016...
September 13, 2017: International Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28879242/disparities-in-emergency-department-pain-treatment-for-toothache
#14
H H Lee, C W Lewis, C M McKinney
Racial disparities in how pain is treated in the emergency department (ED) for toothache have not been reported. Due to increasing reliance on EDs for dental care, the authors investigated whether race/ethnicity and insurance type are associated with treatment for toothache pain. The authors conducted a nationally representative cross-sectional study of ED toothache visits by adults (19 to 64 y old), using the 2008-2010 National Hospital Ambulatory Medical Care Survey. Multinomial regression models accounted for the complex survey design...
October 2016: JDR Clinical and Translational Research
https://www.readbyqxmd.com/read/28870141/physical-and-psychosocial-characteristics-of-current-child-dancers-and-nondancers-with-systemic-joint-hypermobility-a-descriptive-analysis
#15
Leslie L Nicholson, Roger D Adams, Louise Tofts, Verity Pacey
Study Design Cross-sectional study. Background The effect of current participation in dance training on joint pain and instability, fatigue, and quality of life is unknown. Objectives To examine differences in joint pain, instability, gross motor skills, nonmusculoskeletal systemic manifestations, health-related quality of life (HRQoL), and fatigue between children with joint hypermobility syndrome/Ehlers-Danlos syndrome-hypermobility type (JHS/EDS-HT) who currently undertake formal dance training and those who do not...
October 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28840411/long-term-durability-of-orthodontic-mini-implants
#16
Mona Aly Abbassy, Ahmed Samir Bakry, Khalid Hashim Zawawi, Ali Habib Hassan
The current study aimed at examining surface and chemical composition changes of retrieved mini-implants after different periods of service as aids of anchorage for orthodontic patients. This study examined 72 retrieved orthodontic self-tapping and self-drilling mini-implants, 1.7 mm in diameter and 8 mm in length (OrthoEasy system, Forestadent, Pforzheim, Germany) from 36 adult orthodontic patients (18 men and 18 women, mean age = 23 years). The retrieved mini-implants were divided into 3 groups according to service period: 3-6 months (3M-6M) group, 6-12 months (6M-12M) group, and 12-24 months (12M-24M) group, with 24 mini-implants in each group...
August 24, 2017: Odontology
https://www.readbyqxmd.com/read/28839420/comparison-of-three-different-sealer-placement-techniques-an-in-vitro-confocal-laser-microscopic-study
#17
Avoy Kumar Dash, Shanin Farista, Abhilasha Dash, Ajinkya Bendre, Sana Farista
INTRODUCTION: Three-dimensional obturation of the root canal system is the final objective of root canal therapy. Greater penetration of sealer in root dentine lesser will be the voids at the dentine-sealer interface. Hence, analysis of the dentin/sealer interface allows the determination of a filling technique which could obturate the root canals with least gaps and voids. Therefore, the aim of this study is to compare the depth and percentage of sealer penetration into root dentin using three different root canal sealer placement techniques under confocal laser scanning microscope...
April 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/28836537/effect-of-organic-solvents-compared-to-sandblasting-on-the-repair-bond-strength-of-nanohybrid-and-nanofilled-composite-resins
#18
Rafael Torres Brum, Sergio Vieira, Andrea Freire, Rui Fernando Mazur, Evelise Machado De Souza, Rodrigo Nunes Rached
BACKGROUND: This study evaluated the effect of different surface treatments on the repair bond strength of nanohybrid (Empress Direct) and nanofilled (Filtek Z350 XT) composite resins. MATERIALS AND METHODS: A total of 120 specimens of each material (7.5 x 4.5 x 3 mm) were prepared and polished with SiC paper. Half of the specimens were kept in water for seven days and the other half for six months; they were then divided into six groups according to the type of surface treatment: negative control (no treatment), Al2O3sandblasted, liquid acetone, acetone gel, liquid alcohol and alcohol gel...
July 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28821420/hyperglycemia-in-young-adults-seen-in-the-emergency-department-a-health-records-review
#19
Justin W Yan, Alexandra L Hamelin, Katherine M Gushulak, Kristine Van Aarsen, Melanie P Columbus, Ian G Stiell
Patients with diabetes who are in emerging adulthood, defined as the life stage between 18 and 29 years of age, have unique challenges in managing their illness and are at risk for acute complications and loss to follow up. This study's objective was to describe emergency department (ED) utilization because of hyperglycemia in emerging adults with diabetes and to characterize 30-day outcomes, including return visits and admission for hyperglycemia. This was a health-records review of emerging adults presenting over a 1-year period to 4 tertiary care EDs; the patients had known histories of diabetes and final diagnoses of hyperglycemia, diabetic ketoacidosis or hyperosmolar hyperglycemia...
August 15, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28772662/the-synthesis-of-a-core-shell-photocatalyst-material-yf%C3%A2-ho-3-tio%C3%A2-and-investigation-of-its-photocatalytic-properties
#20
Xuan Xu, Shiyu Zhou, Jun Long, Tianhu Wu, Zihong Fan
In this paper, YF₃:Ho(3+)@TiO₂ core-shell nanomaterials were prepared by hydrolysis of tetra-n-butyl titanate (TBOT) using polyvinylpyrrolidone K-30 (PVP) as the coupling agent. Characterization methods including X-ray diffraction (XRD), transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDS) under TEM, X-ray photoelectron spectroscopy (XPS), fluorescence spectrometry, ultraviolet-visible diffuse reflectance spectroscopy, and electron spin resonance (ESR) were used to characterize the properties and working mechanism of the prepared photocatalyst material...
March 16, 2017: Materials
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