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https://www.readbyqxmd.com/read/28345449/fabrication-of-pcl-plga-bcp-porous-scaffold-for-bone-tissue-engineering-applications
#1
Nguyen Thi Hiep, Huynh Chan Khon, Nguyen Dai Hai, Lee-Byong Taek, Vo Van Toi, Le Thanh Hung
In this study, biomimic porous polycaprolactone/poly (lactide-co-glycolide) loading biphasic tricalcium phosphate (PCL/PLGA-BCP) scaffolds were fabricated successfully by solvent evaporation method. The distribution of biphasic tricalcium phosphate (BCP) in polycaprolactone/poly (lactide-co-glycolide) (PCL/PLGA) scaffold was confirmed by micro-computed tomography (micro-CT) scanning, scanning electron microscope (SEM) observation and Energy-dispersive X-ray Spectroscopy (EDS) analysis. The hydrophilicity of the scaffolds was confirmed by contact angle measurement...
March 26, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/28345215/temporal-discounting-and-the-tendency-to-delay-gratification-across-the-eating-disorder-spectrum
#2
Savani Bartholdy, Samantha Rennalls, Hollie Danby, Claire Jacques, Iain C Campbell, Ulrike Schmidt, Owen G O'Daly
Bulimia nervosa (BN) and binge eating disorder (BED) have been associated with poorer reward-related inhibitory control, reflected by a reduced tendency to delay gratification. The opposite has been reported in anorexia nervosa (AN), but differences have not been directly compared across eating disorders (EDs). This study investigated self-reported (Delaying Gratification Inventory) and task-based (temporal discounting) inhibitory control in 66 women with an ED and 28 healthy controls (HCs). Poorer task-based inhibitory control was observed in the BN compared with the AN group and poorer self-reported inhibitory control in the BN and in the BED groups compared with the AN and the HC groups, suggesting that reward-related inhibitory control varies across EDs...
March 27, 2017: European Eating Disorders Review: the Journal of the Eating Disorders Association
https://www.readbyqxmd.com/read/28345071/jolt-accentuation-and-its-value-as-a-sign-in-diagnosis-of-meningitis-in-patients-with-fever-and-headache
#3
Mani Mofidi, Narges Negaresh, Davood Farsi, Mahdi Rezai, Babak Mahshidfar, Saeed Abbasi, Peyman Hafezimoghadam
OBJECTIVES: Meningitis is an important disease among the patients being visited in Emergency Departments (EDs). There are many signs to diagnose it with different sensitivity and specificity reported in previously done studies. Current study tries to evaluate diagnostic accuracy of "Jolt accentuation" in the diagnosis (Dx.) of meningitis in patients with fever and headache. MATERIALS AND METHODS: 48 adult patients, who were referred to two teaching EDs for fever and headache and were diagnosed as suspected meningitis, were included in this prospective observational study...
March 2017: Turkish Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28344932/mutation-in-tnxb-gene-causes-moderate-to-severe-ehlers-danlos-syndrome
#4
Carolyn S Kaufman, Merlin G Butler
We report a 28-year-old female who presented with severe joint pain, chronic muscle weakness, Raynaud's phenomenon, and hypermobility. She was found to have a 6074A > T nucleotide transition in the TNXB gene causing an amino acid protein change at Asp2025Val classified as likely pathogenic. We add this clinical report to the literature and classical human disease gene catalogs to identify this specific mutation as disease-causing. This gene variant was reported previously in a different 36-year-old patient who shared our patient's symptoms of joint hypermobility, skeletal and joint pain, skin elasticity and musculoskeletal problems, thereby causing a more severe presentation than seen in the hypermobility type of Ehlers-Danlos syndrome (EDS)...
May 27, 2016: World J Med Genet
https://www.readbyqxmd.com/read/28343744/new-technology-for-recovering-residual-metals-from-nonmetallic-fractions-of-waste-printed-circuit-boards
#5
Guangwen Zhang, Yaqun He, Haifeng Wang, Tao Zhang, Shuai Wang, Xing Yang, Wencheng Xia
Recycling of waste printed circuit boards is important for environmental protection and sustainable resource utilization. Corona electrostatic separation has been widely used to recycle metals from waste printed circuit boards, but it has poor separation efficiency for finer sized fractions. In this study, a new process of vibrated gas-solid fluidized bed was used to recycle residual metals from nonmetallic fractions, which were treated using the corona electrostatic separation technology. The effects of three main parameters, i...
March 23, 2017: Waste Management
https://www.readbyqxmd.com/read/28343050/photocatalytic-efficiency-of-fe2o3-tio2-for-the-degradation-of-typical-dyes-in-textile-industries-effects-of-calcination-temperature-and-uv-assisted-thermal-synthesis
#6
Mohsen Nasirian, Ciro Fernando Bustillo-Lecompte, Mehrab Mehrvar
The inadequate management practices in industrial textile effluents have a considerable negative impact on the environment and human health due to the indiscriminate release of dyes. Photocatalysis is one of the diverse advance oxidation processes (AOPs) and titanium dioxide (TiO2) is recognized for its high oxidation and reduction power. A composite photocatalyst of Fe2O3/TiO2 is synthesized using different mass ratios of Fe:TiO2 to improve its photoactivity. The composite photocatalyst is calcined at 300-900 °C...
March 23, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28342190/expanded-medicaid-dental-coverage-under-the-affordable-care-act-an-analysis-of-minnesota-emergency-department-visits
#7
Nadia Laniado, Victor M Badner, Ellen Johnson Silver
OBJECTIVES: Hospital emergency departments (EDs) function as the safety net for patients with non-traumatic dental conditions (NTDCs). With the implementation of Medicaid expansion under the Affordable Care Act (ACA) many adults became eligible for dental benefits. We examined the impact of "early" Medicaid expansion in Minnesota on ED visits for NTDCs from 2008 (prereform) to 2014 (postreform). METHODS: Data from the State Emergency Department Databases for Minnesota were analyzed for 2 years: 2008 and 2014...
March 24, 2017: Journal of Public Health Dentistry
https://www.readbyqxmd.com/read/28342023/biogenic-synthesis-of-marsilea-quadrifolia-gold-nanoparticles-a-study-of-improved-glucose-utilization-efficiency-on-3t3-l1-adipocytes
#8
Anindita Chowdhury, Selvaraj Kunjiappan, Chiranjib Bhattacharjee, Balasubramanian Somasundaram, Theivendren Panneerselvam
This study aims mainly to provide an insight and understanding of the effect of glucose utilization efficiency of biogenic gold nanoparticles (GNPs) synthesized through the mediation of Marsilea quadrifolia (M. quadrifolia) methanol extract on 3T3-L1 adipocytes. The biosynthesized GNPs were characterized by UV visible spectrophotometry and FTIR. Simultaneously, the nature, stability, and morphological characteristics were analyzed by XRD, TG-DTA, SEM-EDS, HRTEM, and SAED. The results of characterization studies were used to assess the properties of GNPs...
March 24, 2017: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/28341799/use-of-traumatic-brain-injury-prediction-rules-with-clinical-decision-support
#9
Peter S Dayan, Dustin W Ballard, Eric Tham, Jeff M Hoffman, Marguerite Swietlik, Sara J Deakyne, Evaline A Alessandrini, Leah Tzimenatos, Lalit Bajaj, David R Vinson, Dustin G Mark, Steve R Offerman, Uli K Chettipally, Marilyn D Paterno, Molly H Schaeffer, Jun Wang, T Charles Casper, Howard S Goldberg, Robert W Grundmeier, Nathan Kuppermann
OBJECTIVES: We determined whether implementing the Pediatric Emergency Care Applied Research Network (PECARN) traumatic brain injury (TBI) prediction rules and providing risks of clinically important TBIs (ciTBIs) with computerized clinical decision support (CDS) reduces computed tomography (CT) use for children with minor head trauma. METHODS: Nonrandomized trial with concurrent controls at 5 pediatric emergency departments (PEDs) and 8 general EDs (GEDs) between November 2011 and June 2014...
March 24, 2017: Pediatrics
https://www.readbyqxmd.com/read/28341087/the-impact-of-a-pediatric-emergency-department-facility-verification-system-on-pediatric-mortality-rates-in-arizona
#10
Amber Rice, Jennifer Dudek, Toni Gross, Tomi St Mars, Dale Woolridge
BACKGROUND: The Emergency Medical Services for Children State Partnership Program, as well as the Institute of Medicine report on pediatric emergency care, encourages recognition of emergency departments (EDs) through categorization and verification systems. Although pediatric verification programs are associated with greater pediatric readiness, clinical outcome data have been lacking to track the effects and patient-centered outcomes by implementing such programs. OBJECTIVE: To describe pediatric mortality rates prior to and after implementation of a pediatric emergency facility verification system in Arizona...
March 21, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28339923/measuring-patient-experience-a-systematic-review-to-evaluate-psychometric-properties-of-patient-reported-experience-measures-prems-for-emergency-care-service-provision
#11
Leanne Male, Adam Noble, Jessica Atkinson, Tony Marson
Purpose: Knowledge about patient experience within emergency departments (EDs) allows services to develop and improve in line with patient needs. There is no standardized instrument to measure patient experience. The aim of this study is to identify patient reported experience measures (PREMs) for EDs, examine the rigour by which they were developed and their psychometric properties when judged against standard criteria. Data sources: Medline, Scopus, CINAHL, PsycINFO, PubMed and Web of Science were searched from inception to May 2015...
March 2, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/28339735/triage-quality-control-is-missing-tools-a-new-observation-technique-for-ed-quality-improvement
#12
Tomi Malmström, Veli-Pekka Harjola, Paulus Torkki, Salla Kumpulainen, Raija Malmström
Objective: Correct assessment of patient urgency is critical to ensuring patient safety in emergency departments (EDs). Although significant time and effort have been devoted to developing triage systems, less attention has been paid to the development of quality control. The aim of this study is to introduce and test observation technique, which enables identifying of patient groups at risk of erroneous assessment in triage. The introduced technique is aimed to be less laborious to use than existing triage quality control methods...
February 23, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/28339348/geological-occurrence-mineralogical-characterization-and-risk-assessment-of-potentially-carcinogenic-erionite-in-italy
#13
Matteo Giordani, Michele Mattioli, Paolo Ballirano, Alessandro Pacella, Marco Cenni, Matteo Boscardin, Laura Valentini
Erionite is a zeolite representing a well-known health hazard. In fact, exposure of humans to its fibers has been unequivocally associated with occurrence of malignant mesothelioma. For this reason, a multi-methodological approach, based upon field investigation, morphological characterization, scanning electron microscopy (SEM)/energy-dispersive spectroscopy (EDS) chemical analysis, and structure refinement through X-ray powder diffraction (XRPD), was applied to different samples of potentially carcinogenic erionite from Northern Italy...
2017: Journal of Toxicology and Environmental Health. Part B, Critical Reviews
https://www.readbyqxmd.com/read/28337961/biosorption-of-heavy-metals-from-aqueous-solution-by-bacteria-isolated-from-contaminated-soil
#14
Pradeep Dhanwal Anil Kumar Shruti Dudeja Hemlata Badgujar Rohit Chauhan Abhishek Kumar Poonam Dhull Vinod Chhokar Vikas Beniwal
The study was carried out to analyze the heavy metals biosorption potential of bacteria isolated from electroplating industrial effluents contaminated soil. Bacterial isolates were screened for their multi-metal biosorption potential against copper, nickel, lead and chromium. Bacterial isolate CU4A showed maximum uptake of copper, nickel, lead and chromium in aqueous solution with biosorption efficiency as 87.16 %, 79.62%, 84.92% and 68.12%, respectively. The bacterial strain CU4A was identified as Bacillus cereus following 16S rRNA gene sequence analysis...
March 9, 2017: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/28336865/synthesis-optical-and-structural-properties-of-copper-sulfide-nanocrystals-from-single-molecule-precursors
#15
Peter A Ajibade, Nandipha L Botha
We report the synthesis and structural studies of copper sulfide nanocrystals from copper (II) dithiocarbamate single molecule precursors. The precursors were thermolysed in hexadecylamine (HDA) to prepare HDA-capped CuS nanocrystals. The optical properties of the nanocrystals studied using UV-visible and photoluminescence spectroscopy showed absorption band edges at 287 nm that are blue shifted, and the photoluminescence spectra show emission curves that are red-shifted with respect to the absorption band edges...
February 4, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28335979/microfluidic-immunosensor-based-on-mesoporous-silica-platform-and-cmk-3-poly-acrylamide-co-methacrylate-of-dihydrolipoic-acid-modified-gold-electrode-for-cancer-biomarker-detection
#16
Matías Regiart, Martin A Fernández-Baldo, Jhonny Villarroel-Rocha, Germán A Messina, Franco A Bertolino, Karim Sapag, Aaron T Timperman, Julio Raba
We report a hybrid glass-poly (dimethylsiloxane) microfluidic immunosensor for epidermal growth factor receptor (EGFR) determination, based on the covalent immobilization of anti-EGFR antibody (anti-EGFR) on amino-functionalized mesoporous silica (AMS) retained in the central channel of a microfluidic device. The synthetized AMS was characterized by N2 adsorption-desorption isotherm, scanning electron microscopy (SEM), energy dispersive spectrometry (EDS) and infrared spectroscopy. The cancer biomarker was quantified in human serum samples by a direct sandwich immunoassay measuring through a horseradish peroxidase-conjugated anti-EGFR...
April 22, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28335268/optoelectronic-and-electrochemical-properties-of-vanadium-pentoxide-nanowires-synthesized-by-vapor-solid-process
#17
Ko-Ying Pan, Da-Hua Wei
Substantial synthetic vanadium pentoxide (V₂O₅) nanowires were successfully produced by a vapor-solid (VS) method of thermal evaporation without using precursors as nucleation sites for single crystalline V₂O₅ nanowires with a (110) growth plane. The micromorphology and microstructure of V₂O₅ nanowires were analyzed by scanning electron microscope (SEM), energy-dispersive X-ray spectroscope (EDS), transmission electron microscope (TEM) and X-ray diffraction (XRD). The spiral growth mechanism of V₂O₅ nanowires in the VS process is proved by a TEM image...
July 29, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335231/enhanced-activity-of-supported-ni-catalysts-promoted-by-pt-for-rapid-reduction-of-aromatic-nitro-compounds
#18
Huishan Shang, Kecheng Pan, Lu Zhang, Bing Zhang, Xu Xiang
To improve the activities of non-noble metal catalysts is highly desirable and valuable to the reduced use of noble metal resources. In this work, the supported nickel (Ni) and nickel-platinum (NiPt) nanocatalysts were derived from a layered double hydroxide/carbon composite precursor. The catalysts were characterized and the role of Pt was analysed using X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), energy dispersive X-ray spectroscopy (EDS) mapping, and X-ray photoelectron spectroscopy (XPS) techniques...
June 4, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28334590/a-prospective-emergency-department-quality-improvement-project-to-improve-the-treatment-of-vaso-occlusive-crisis-in-sickle-cell-disease-lessons-learned
#19
Paula Tanabe, Caroline E Freiermuth, David M Cline, Susan Silva
BACKGROUND: Guidelines recommend rapid, aggressive management of vaso-occlusive crisis (VOC) for patients with sickle cell disease (SCD). A large prospective research and quality improvement (QI) project was conducted to measure changes in clinical outcomes in two EDs-academic medical centers with emergency medicine residency programs and Level 1 trauma centers-during a 2.5-year time period (October 2011-March 2014). METHODS: A QI team used a Plan-Do-Study-Act approach to modify and implement changes to opioid analgesic protocols for the emergency department (ED) treatment of VOC...
March 2017: Joint Commission Journal on Quality and Patient Safety
https://www.readbyqxmd.com/read/28333606/patterns-of-multiple-emergency-department-visits-do-primary-care-physicians-matter
#20
Daniel D Maeng, Jing Hao, John B Bulger
CONTEXT: Overutilization and overreliance on Emergency Departments (EDs) as a usual source of care can lead to unnecessarily high costs and undesirable consequences, such as a gap in care coordination and inadequate provision of preventive care. OBJECTIVE: To identify factors associated with multiple ED visits by patients, in particular, the impact of primary care physicians (PCPs) on their patients' multiple ED visit rates. DESIGN: Geisinger Health Plan claims data among adult patients who averaged more than 1 ED visit within a 12-month period between 2013 and 2014 were obtained (N = 20,351)...
2017: Permanente Journal
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