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https://www.readbyqxmd.com/read/29734109/up-down-conversion-luminescence-and-energy-transfer-of-er-3-tb-3-activated-nagd-wo-4-2-green-emitting-phosphors
#1
Lingling Jiang, Guixia Liu, Dan Li, Xiangting Dong, Wensheng Yu
A series of double scheelite-type tungstate green phosphors NaGd(WO4 )2 :Er3+ , Tb3+ were synthesized by a hydrothermal route and subsequent calcination process, and they were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), energy-dispersive X-ray spectrometry (EDS), photoluminescence spectroscopy and fluorescence lifetime measurements. The phosphors take on octahedral microcrystals with a mean side length of ~2 μm. In the single doped phosphors system, the energy transfer processes from WO4 2- to Er3+ or Tb3+ were discussed...
April 22, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29734027/are-glass-fiber-particles-released-during-the-use-of-electronic-cigarettes-development-of-a-semi-quantitative-approach-to-detect-glass-particle-emission-due-to-vaping
#2
Jae-Won Shin, Sang-Hee Jo, Ki-Hyun Kim, Hee-Nam Song, Chang-Hee Kang, Nanthi Bolan, Jongki Hong
This study investigated the emission characteristics of glass particles resulting from smoking electronic cigarettes (ECs). First, the most suitable filter for the collection of glass particles was explored by examining the performance (reliability) of various types of filters. A polycarbonate filter was determined as the optimum choice to collect glass particles in EC aerosol. A cartomizer was filled with EC refill solution composed of an equal volume of propylene glycol (PG) and vegetable glycol (VG). To simulate the potential conditions for glass particle emission, EC vaped aerosols were collected at three distinctive puffing intervals: (1) 0-10 puffs, (2) 101-110 puffs, and (3) 201-210 puffs (flow rate of 1 L min-1 , 2 s per puff, and 10 puffs per sample)...
May 4, 2018: Environmental Research
https://www.readbyqxmd.com/read/29664889/transfer-status-a-significant-risk-factor-for-mortality-in-emergency-general-surgery-patients-requiring-colon-resection
#3
Michael P DeWane, Kimberly A Davis, Kevin M Schuster, Scott P Erwin, Adrian A Maung, Robert D Becher
BACKGROUND: Patients requiring emergency surgery have increased rates of morbidity and mortality. Transfer from outside institution delays effective control of ongoing infection and has been linked with worse outcomes. Previous research suggests transfer status negatively impacts survival but hasn't examined the effect of location and type of institution prior to transfer. This study aims to characterize the effect of type of transferring institution on postoperative outcomes after emergency colon surgery...
April 16, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29609717/sleep-disorders-and-their-management-in-children-with-ehlers-danlos-syndrome-referred-to-sleep-clinics
#4
Keren Armoni Domany, Sumalee Hantragool, David F Smith, Yuanfang Xu, Monir Hossain, Narong Simakajornboon
STUDY OBJECTIVES: The nature of sleep disorders in children with Ehlers-Danlos syndrome (EDS) is unknown. We aimed to describe the type, the management, and the short-term outcome of sleep disorders in children with EDS referred to sleep clinics. METHODS: This is a retrospective review of medical records and polysomnography tests of children with EDS younger than 18 years who were referred to the sleep clinic. Demographic information and medical history were collected, and polysomnography tests were reviewed...
March 30, 2018: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/29608451/nonalcoholic-fatty-liver-is-contributing-to-the-increase-in-cases-of-liver-disease-in-us-emergency-departments
#5
Haley Bush, Pegah Golabi, Munkhzul Otgonsuren, Nila Rafiq, Chapy Venkatesan, Zobair M Younossi
GOALS/BACKGROUND: We aimed to assess temporal changes in the different types of liver disease (LD) cases and outcomes from emergency departments (EDs) across the United States. STUDY: We used data from the National Inpatient Survey database from 2005 to 2011. The International Classification of Diseases, Ninth Revision (ICD-9) clinical modification codes identified hepatitis C virus (HCV), hepatitis B virus (HBV), alcoholic liver disease (ALD), nonalcoholic fatty liver disease (NAFLD), and other LDs including autoimmune hepatitis...
March 30, 2018: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29544601/n-terminal-pro-b-type-natriuretic-peptide-in-the-emergency-department-the-icon-reloaded-study
#6
James L Januzzi, Annabel A Chen-Tournoux, Robert H Christenson, Gheorghe Doros, Judd E Hollander, Phillip D Levy, John T Nagurney, Richard M Nowak, Peter S Pang, Darshita Patel, W Franklin Peacock, E Joy Rivers, Elizabeth L Walters, Hanna K Gaggin
BACKGROUND: Contemporary reconsideration of diagnostic N-terminal pro-B-type natriuretic peptide (NT-proBNP) cutoffs for diagnosis of heart failure (HF) is needed. OBJECTIVES: This study sought to evaluate the diagnostic performance of NT-proBNP for acute HF in patients with dyspnea in the emergency department (ED) setting. METHODS: Dyspneic patients presenting to 19 EDs in North America were enrolled and had blood drawn for subsequent NT-proBNP measurement...
March 20, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29501982/characteristics-and-environmental-response-of-secondary-minerals-in-amd-from-dabaoshan-mine-south-china
#7
Qiyuan Liu, Binghui Chen, Stefan Haderlein, Gnanachandrasamy Gopalakrishnan, Yongzhang Zhou
This article documents the new precipitates formed related to acid mine drainage (AMD) at Dabaoshan mine (South China). X-ray diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) and Scanning Electron Microscope & Energy Spectrometer (SEM-EDS) have been used to detect minerals in AMD impoundment and downstream creeks. The occurrences, the mineralogical species and the micro-morphological characteristics of secondary minerals from different pH conditions has been carried out. Iron- hydroxysulfates and iron-oxyhydroxides are the main secondary minerals, and they occurred as both poorly and well-crystalline minerals...
July 15, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29443383/a-b3galt6-variant-in-patient-originally-described-as-al-gazali-syndrome-and-implicating-the-endoplasmic-reticulum-quality-control-in-the-mechanism-of-some-%C3%AE-3galt6-pathy-mutations
#8
A Ben-Mahmoud, S Ben-Salem, M Al-Sorkhy, A John, B R Ali, L Al-Gazali
Al-Gazali syndrome encompasses several clinical features including prenatal growth retardation, large joints contractures with camptodactyly, bilateral talipes equinovarus, small mouth, anterior segment anomalies of the eyes, and early lethality. Recently, a baby with features very similar to Al-Gazali syndrome was found to have compound heterozygous variants in B3GALT6. This gene encodes Beta-1,3-galactosyltransferase 6 (β3GalT6), an essential component of the glycosaminoglycan synthesis pathway. Pathogenic variants in B3GALT6 have also been shown to cause Ehlers-Danlos syndrome spondylodysplastic type (spEDS-B3GALT6) and spondyloepimetaphyseal dysplasia with joint laxity type I (SEMD-JL1)...
February 14, 2018: Clinical Genetics
https://www.readbyqxmd.com/read/29442898/development-of-egg-shell-derived-carbonated-apatite-nanocarrier-system-for-drug-delivery
#9
R Jayasree, K Madhumathi, Deepti Rana, Murugan Ramalingam, Rakesh P Nankar, Mukesh Doble, T S Sampath Kumar
Carbonated apatite has a chemical composition quite similar to biological apatite found in native bone. The incorporation of carbonate (CO2-3) ions groups into the apatitic crystal structure can tailor its crystallinity, solubility and biological activity that benefit the bone repair and regeneration. In this study, we report a simple and elegant method of synthesizing carbonated calcium deficient hydroxyapatite (ECCDHA) nanoparticles from egg shell wastes and its efficacy has been compared with synthetic calcium deficient hydroxyapatite (SCDHA) nanoparticles...
April 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29438575/primary-care-professionals-providing-non-urgent-care-in-hospital-emergency-departments
#10
REVIEW
Daniela Gonçalves-Bradley, Jaspreet K Khangura, Gerd Flodgren, Rafael Perera, Brian H Rowe, Sasha Shepperd
BACKGROUND: In many countries emergency departments (EDs) are facing an increase in demand for services, long waits, and severe crowding. One response to mitigate overcrowding has been to provide primary care services alongside or within hospital EDs for patients with non-urgent problems. However, it is unknown how this impacts the quality of patient care and the utilisation of hospital resources, or if it is cost-effective. This is the first update of the original Cochrane Review published in 2012...
February 13, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29421680/inhibitory-effect-of-konjac-glucomanan-on-pitting-corrosion-of-aa5052-aluminium-alloy-in-nacl-solution
#11
Kegui Zhang, Wenzhong Yang, Bin Xu, Yun Chen, Xiaoshuang Yin, Ying Liu, Huanzhen Zuo
A natural carbohydrate polymer, konjac glucomanan, has been extracted from commercial product and studied as a green corrosion inhibitor for AA5052 aluminium alloy in 3.5 wt% NaCl solution by high-performance gel permeation chromatography (GPC), thermo gravimetric analysis (TGA), Fourier-transform infrared (FT-IR) spectra, electrochemical measurement and surface characterization techniques. The results of GPC measurements suggest the weight-average molecular weight and the number-average molecular weight of KGM with 98...
May 1, 2018: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29420772/purchased-behavioral-health-care-received-by-military-health-system-beneficiaries-in-civilian-medical-facilities-2000-2014
#12
Nikki R Wooten, Jordan A Brittingham, Ronald O Pitner, Abbas S Tavakoli, Diana D Jeffery, K Sue Haddock
Introduction: Behavioral health conditions are a significant concern for the U.S. military and the Military Health System (MHS) because of decreased military readiness and increased health care utilization. Although MHS beneficiaries receive direct care in military treatment facilities, a disproportionate majority of behavioral health treatment is purchased care received in civilian facilities. Yet, limited evidence exists about purchased behavioral health care received by MHS beneficiaries...
February 6, 2018: Military Medicine
https://www.readbyqxmd.com/read/29390508/analysis-of-early-death-in-newly-diagnosed-acute-promyelocytic-leukemia-patients
#13
Fang Xu, Chunli Wang, Changxin Yin, Xuejie Jiang, Ling Jiang, Zhixiang Wang, Fanyi Meng
The aim of this study was to identify risk factors for early death (ED) in acute promyelocitic leukemia (APL) patients.Clinical records of 49 APL patients who suffered ED were divided into 4 groups: death before treatment or within the first 3 days (immediate death; iED group), death during treatment at least 3 days after commencement (ED after treatment), low/intermediate risk, and high-risk groups.White blood cell (WBC) count, high-risk cases, prothrombin time (PT) prolongation, international society on thrombosis and hemostasis (ISTH) scores (P < ...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29306262/considerations-for-physicians-using-ketamine-for-sedation-of-children-in-emergency-departments
#14
Woo Sung Kim, Ji Yeon Ku, Hanbyul Choi, Hyo Jeong Choi, Ho Jung Kim, Bora Lee
OBJECTIVE: Ketamine use in emergency departments (EDs) for procedural sedation and analgesia is becoming increasingly common. However, few studies have examined patient factors related to adverse events associated with ketamine. This study investigated factors for consideration when using ketamine to sedate pediatric ED patients. METHODS: The study included pediatric patients receiving ketamine for laceration repair in the ED. Before sedation, information was collected about upper respiratory tract infection symptoms, allergy history, and fasting time...
December 2017: Clinical and Experimental Emergency Medicine
https://www.readbyqxmd.com/read/29304795/do-senior-medical-students-meet-recommended-emergency-medicine-curricula-requirements
#15
Sami Shaban, Arif Alper Cevik, Mustafa Emin Canakci, Caglar Kuas, Margret El Zubeir, Fikri Abu-Zidan
BACKGROUND: Emergency departments (EDs) offer a variety of learning opportunities for undergraduate medical students. It is however, difficult to evaluate whether they are receiving recommended training during their emergency medicine (EM) clerkship without identifying their clinical activities. We aimed to evaluate the clinical exposure of the final year medical students at our College during their EM clerkship. METHODS: This is a retrospective analysis of prospectively collected student logbooks...
January 5, 2018: BMC Medical Education
https://www.readbyqxmd.com/read/29299580/novel-tetra-propyl-butylammonium-encapsulated-keggin-type-polyoxotungstates-synthesis-structural-characterization-and-catalytic-capability-in-oxidative-cleavage-of-unsaturated-fatty-acids
#16
A Enferadi-Kerenkan, A Gandon, T O Do
Four tungsten oxide (TO)-based catalysts, (1) TO (without any organic moiety), (2) TO-TMA, (3) TO-TPA, and (4) TO-TBA (TMA: tetramethylammonium, TPA: tetrapropylammonium, and TBA: tetrabutylammonium cations) were straightforwardly prepared via a mild hydrothermal approach, based on oxidative dissolution of tungsten bare powder, followed by a facile encapsulation of the tetraalkylammonium cations (NR4 + ). The significant impact of the NR4 + cations on crystallization of the amorphous and metastable peroxotungstic species, formed during the synthesis, has been discussed through different characterization techniques including XRD, FTIR, TGA and DTG, TEM, EDS, N2 adsorption/desorption isotherms, zeta potential measurement, and elemental analysis...
January 23, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29248884/use-of-general-practice-before-and-after-mild-traumatic-brain-injury-a-nationwide-population-based-cohort-study-in-denmark
#17
Stine Fjendbo Galili, Bodil Hammer Bech, Claus Vestergaard, Morten Fenger-Gron, Jakob Christensen, Mogens Vestergaard, Jette Ahrensberg
OBJECTIVES: Traumatic brain injury (TBI) is commonly seen in the emergency department (ED). Approximately 85%-90% of TBIs are mild (mTBI). Some cause symptoms such as headache, dizziness, anxiety, blurred vision, insomnia and concentration difficulties, collectively known as postconcussion syndrome (PCS). Some studies suggest that recovery from mTBI is complete. Others find that symptoms persist for months, even years. The aim of this study was to describe the use of general practice, before and after mTBI, as a proxy for symptoms in a large cohort...
December 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/29199945/evaluating-mental-health-service-use-during-and-after-emergency-department-visits-in-a-multisite-cohort-of-canadian-children-and-youth
#18
Mario Cappelli, Paula Cloutier, Amanda S Newton, Eleanor Fitzpatrick, Samina Ali, Kathryn A Dong, Clare Gray, Allison Kennedy, John S Lyons, Christine Polihronis, Rhonda J Rosychuk
OBJECTIVES: The goal of this study was to examine the mental health needs of children and youth who present to the emergency department (ED) for mental health care and to describe the type of, and satisfaction with, follow-up mental health services accessed. METHODS: A 6-month to 1.5-year prospective cohort study was conducted in three Canadian pediatric EDs and one general ED, with a 1-month follow-up post-ED discharge. Measures included 1) clinician rating of mental health needs, 2) patient and caregiver self-reports of follow-up services, and 3) interviews regarding follow-up satisfaction...
December 4, 2017: CJEM
https://www.readbyqxmd.com/read/29193286/understanding-ed-performance-after-the-implementation-of-activity-based-funding
#19
Ghasem-Sam Toloo, John Burke, Julia Crilly, Ged Williams, Bridie McCann, Gerry FitzGerald, Anthony Bell
OBJECTIVE: The aim of this study was to describe emergency department (ED) activities and staffing after the introduction of activity-based funding (ABF) to highlight the challenges of new funding arrangements and their implementation. METHODS: A retrospective study of public hospital EDs in Queensland, Australia, was undertaken for 2013-2014. The ED and hospital characteristics are described to evaluate the alignment between activity and resourcing levels and their impact on performance...
November 29, 2017: International Journal of Health Planning and Management
https://www.readbyqxmd.com/read/29174837/accuracy-and-discomfort-of-different-types-of-intranasal-specimen-collection-methods-for-molecular-influenza-testing-in-emergency-department-patients
#20
Bradley W Frazee, Amparo Rodríguez-Hoces de la Guardia, Harrison Alter, Carol G Chen, Eugenia L Fuentes, Alison K Holzer, Macarena Lolas, Debkishore Mitra, Jaspreet Vohra, Cornelia L Dekker
STUDY OBJECTIVE: While development is under way of accurate, point-of-care molecular tests for influenza infection, the optimal specimen type for molecular tests remains unclear. Compared with standard nasopharyngeal swab specimens, less invasive nasal swab and midturbinate swab specimens may cause less patient discomfort and be more suitable for routine emergency department (ED) testing, although possibly at the expense of diagnostic accuracy. We compare both the accuracy of a polymerase chain reaction molecular influenza test and discomfort between these 3 intranasal specimen types...
November 23, 2017: Annals of Emergency Medicine
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