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https://www.readbyqxmd.com/read/28738578/a-simple-method-for-the-multi-elemental-analysis-of-beer-using-total-reflection-x-ray-fluorescence
#1
Ednilton M Gama, Clésia C Nascentes, Roberta P Matos, Gabrielle de C Rodrigues, Guilherme D Rodrigues
A method of direct analysis for quantification of 15 inorganic elements (P, S, Cl, K, Ca, Mn, Fe, Ni, Cu, Zn, Br, As, Rb, Sr and Pb) in beers by Total Reflection X-Ray Fluorescence (TXRF) was developed. The experimental conditions were optimized. Direct analysis was compared with the acid digestion procedure to evaluate the effect matrix and the results were satisfactory. The evaluation of the accuracy and precision was realized by analysis of two certified reference materials of natural and waste water. For the majority of the elements, good agreement was achieved between the certified value and the value measured in the CRM´s...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28719502/safety-of-quadrivalent-meningococcal-conjugate-vaccine-in-children-2-10-years
#2
Sara Y Tartof, Lina S Sy, Bradley K Ackerson, Rulin C Hechter, Mendel Haag, Jeffrey M Slezak, Yi Luo, Christine A Fischetti, Harp S Takhar, Yan Miao, Zendi Solano, Steven J Jacobsen, Hung-Fu Tseng
BACKGROUND: Quadrivalent meningococcal conjugate vaccine is recommended for children, adolescents, and adults at increased risk of meningococcal disease. In 2011, MenACWY-CRM (Menveo, GSK) was approved for children aged 2-10 years in the U.S. Although no safety concerns arose from clinical trials, it remains important to monitor its safety in routine clinical settings. METHODS: Kaiser Permanente Southern California members 2-10 years old who received MenACWY-CRM between September 2011 and September 2014 were included...
July 14, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28713031/an-lc-ms-ms-based-candidate-reference-method-for-the-quantification-of-carbamazepine-in-human-serum
#3
Judith Taibon, Rupert Schmid, Stephanie Lucha, Stephan Pongratz, Kirill Tarasov, Christoph Seger, Christian Timm, Roland Thiele, Joachim Mark Herlan, Uwe Kobold
A validated LC-MS/MS-based candidate reference measurement procedure for the quantification of carbamazepine is presented in order to be used for standardization and harmonization of routine assays applied for therapeutic drug monitoring. Sample preparation was based on protein precipitation using acetonitrile followed by sample dilution. Since the previously listed certified reference material (CRM) SRM 1599 (anticonvulsant drug level assay standard) is no longer available, an ISO certified calibration material was used in this assay...
July 14, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28710535/pharmacological-inhibition-of-heparin-binding-egf-like-growth-factor-promotes-peritoneal-angiogenesis-in-a-peritoneal-dialysis-rat-model
#4
Zhenyuan Li, Hao Yan, Jiangzi Yuan, Liou Cao, Aiwu Lin, Huili Dai, Zhaohui Ni, Jiaqi Qian, Wei Fang
BACKGROUND: Molecular mechanisms of peritoneal dialysis (PD) ultrafiltration failure, peritoneal neo-angiogenesis, and fibrosis remain to be determined. We aimed to determine the role of heparin-binding EGF-like growth factor (HB-EGF) inhibition on angiogenesis of peritoneal membrane in a PD rat model. METHODS: 32 male Wistar rats were assigned into (1) control group; (2) uremic non-PD group: subtotal nephrectomy-induced uremic rats without PD; (3) uremic rats subjected to PD: uremic rats that were dialyzed with Dianeal(®) for 4 weeks; (4) CRM 197 group: dialyzed uremic rats were supplemented with CRM197, a specific HB-EGF inhibitor...
July 14, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28702861/outcomes-of-a-single-surgeon-based-transanal-total-mesorectal-excision-tatme-for-rectal-cancer
#5
Antonio Caycedo-Marulanda, Henry Y Jiang, Erica L Kohtakangas
BACKGROUND: Several studies have shown the transanal total mesorectal excision (TATME) is emerging as a safe and effective technique for proctectomy. The majority of these studies to date, however, is based on procedures done in centers with teams of two surgeons working simultaneously. Few were performed by single-surgeon teams with sizeable case load. The objective of our study was to identify the feasibility and safety of a single-surgeon TATME. METHODS: Chart review of prospectively collected data on 27 patients who underwent TATME at our institution from June 2015 to September 2016 were included in this study...
July 13, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/28697493/does-the-margin-matter-in-esophageal-cancer
#6
Karl-Frederick Karstens, Jakob R Izbicki, Matthias Reeh
BACKGROUND: The prognostic impact of circumferential resection margin (CRM) involvement in resected esophageal cancer (EC) is controversial discussed. The College of American Pathologists (CAP) and the Royal College of Pathologists (RCP) provide 2 different definitions of CRM involvement. The aim of this systematic review was to evaluate the clinical significance of CRM involvement on patients' survival following esophagectomy due to EC. METHODS: PubMed, Science Direct, and Google scholar were searched for studies analyzing the clinical impact of CRM in EC...
July 12, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/28690775/value-of-multi-disciplinary-input-into-laparoscopic-management-of-rectal-cancer-an-observational-study
#7
Pawan Kumar Dhruva Rao, Sooriyaratchige Pradeep Manjula Peiris, Seema Safia Arif, Rhodri A Davies, Ashraf Gergies Masoud, Puthucode Narayanan Haray
AIM: To assess the impact of multi-disciplinary teams (MDTs) management in optimising the outcome for rectal cancers. METHODS: We undertook a retrospective review of a prospectively maintained database of patients with rectal cancers (defined as tumours ≤ 15 cm from anal verge) discussed at our MDT between Jan 2008 and Jan 2011. The data was validated against the national database to ensure completeness of dataset. The clinical course and follow-up data was validated using the institution's electronic patient records...
June 27, 2017: World Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28680765/barriers-and-facilitators-to-ed-physician-use-of-the-test-and-treatment-for-bppv
#8
Kevin A Kerber, Jane Forman, Laura Damschroder, Steven A Telian, Angela Fagerlin, Patricia Johnson, Devin L Brown, Lawrence C An, Lewis B Morgenstern, William J Meurer
BACKGROUND: The test and treatment for benign paroxysmal positional vertigo (BPPV) are evidence-based practices supported by clinical guideline statements. Yet these practices are underutilized in the emergency department (ED) and interventions to promote their use are needed. To inform the development of an intervention, we interviewed ED physicians to explore barriers and facilitators to the current use of the Dix-Hallpike test (DHT) and the canalith repositioning maneuver (CRM). METHODS: We conducted semi-structured in-person interviews with ED physicians who were recruited at annual ED society meetings in the United States...
June 2017: Neurology. Clinical Practice
https://www.readbyqxmd.com/read/28664918/embracing-model-based-designs-for-dose-finding-trials
#9
Sharon B Love, Sarah Brown, Christopher J Weir, Chris Harbron, Christina Yap, Birgit Gaschler-Markefski, James Matcham, Louise Caffrey, Christopher McKevitt, Sally Clive, Charlie Craddock, James Spicer, Victoria Cornelius
BACKGROUND: Dose-finding trials are essential to drug development as they establish recommended doses for later-phase testing. We aim to motivate wider use of model-based designs for dose finding, such as the continual reassessment method (CRM). METHODS: We carried out a literature review of dose-finding designs and conducted a survey to identify perceived barriers to their implementation. RESULTS: We describe the benefits of model-based designs (flexibility, superior operating characteristics, extended scope), their current uptake, and existing resources...
July 25, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28664786/combining-dispersed-particle-extraction-with-dried-droplet-laser-ablation-icp-ms-for-determining-platinum-in-airborne-particulate-matter
#10
Winfried Nischkauer, Andrei Izmer, Marie-Alexandra Neouze, Frank Vanhaecke, Andreas Limbeck
A combination of analyte pre-concentration using dispersed particle extraction (DPE) and dried-droplet laser ablation inductively coupled mass spectrometry (LA-ICP-MS) was developed with the aim to quantify Pt and Pd in urban particulate matter with an aerodynamic diameter ≤2.5 µm (PM2.5). The PM2.5 aerosol was collected on cellulose ester filters during a sampling period of three days, with sampling intervals of 4 h only. Each of the filters was chemically digested, and the resulting solution was pre-concentrated using DPE...
July 2017: Applied Spectroscopy
https://www.readbyqxmd.com/read/28634374/behavioural-responses-to-potential-dispersal-cues-in-two-economically-important-species-of-cereal-feeding-eriophyid-mites
#11
Agnieszka Kiedrowicz, Lechosław Kuczyński, Mariusz Lewandowski, Heather Proctor, Anna Skoracka
Passively dispersing organisms should optimise the time and direction of dispersal by employing behaviours that increase their probability of being successfully transported by dispersal agents. We rigorously tested whether two agriculturally important passively-dispersing eriophyoid species, wheat curl mite (WCM) and cereal rust mite (CRM), display behaviours indicating their readiness to depart from current host plants in the presence of potential dispersal cues: wind, an insect vector and presence of a fresh plant...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28633351/data-compression-can-discriminate-broilers-by-selection-line-detect-haplotypes-and-estimate-genetic-potential-for-complex-phenotypes
#12
N J Hudson, R J Hawken, R Okimoto, R L Sapp, A Reverter
Accurately establishing the relationships among individuals lays the foundation for genetic analyses such as genome-wide association studies and identification of selection signatures. Of particular interest to the poultry industry are estimates of genetic merit based on molecular data. These estimates can be commercially exploited in marker-assisted breeding programs to accelerate genetic improvement. Here, we test the utility of a new method we have recently developed to estimate animal relatedness and applied it to genetic parameter estimation in commercial broilers...
June 15, 2017: Poultry Science
https://www.readbyqxmd.com/read/28628734/effect-of-abdominopelvic-sepsis-on-cancer-outcome-in-patients-undergoing-sphincter-saving-surgery-for-rectal-cancer
#13
Dirk Van de Putte, Elke Van Daele, Wouter Willaert, Piet Pattyn, Wim Ceelen, Yves Van Nieuwenhove
BACKGROUND: In rectal cancer, the significance of abdominopelvic sepsis (APS) on metastatic tumor growth remains uncertain. We aimed to analyze the effect of abdominopelvic sepsis on long-term survival in patients undergoing restorative rectal cancer surgery. METHODS: Data were used from the Belgian PROCARE rectal cancer registry. The effect of abdominopelvic infection on survival was assessed in uni- and multivariable Cox regression models. The effect of clinical and pathological covariates was controlled by propensity score-based matching of cases with controls...
June 19, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28628552/a-case-study-of-high-velocity-persistent-geotropic-nystagmus-is-this-bppv
#14
Michael C Schubert, Pamela M Dunlap, Susan L Whitney
BACKGROUND AND PURPOSE: Deciphering the cause for a persistent, direction-changing geotropic nystagmus can be difficult. Migraine and light cupula are two possible causes, though can be confused with benign paroxysmal positional vertigo (BPPV) affecting the horizontal semicircular canal. In migraine, the persistent geotropic nystagmus tends to be slow; in light cupula, the nystagmus has been illustrated to beat in the direction opposite that of prone positioning. CASE DESCRIPTION: Here we describe a patient with initial occurrence then recurrence of a high velocity (≥30 deg/sec), persistent direction-changing geotropic nystagmus and vertigo with an intensity variable based on head position, which was difficult to manage...
July 2017: Journal of Neurologic Physical Therapy: JNPT
https://www.readbyqxmd.com/read/28609717/a-real-time-range-potentiostat-coupled-to-nano-au-modified-microband-electrode-array-for-high-speed-stripping-determination-of-human-blood-lead
#15
Wen Zhang, Yiwei Xu, Xiaobo Zou, Ping Wang
A novel method of real-time-range measurement, characterized by pre-sampling forecast and balanced-range switching, is introduced in this study. According to this method, raw current signals in biosensing procedures may be measured and recorded with real-time-optimized instrumental settings. A low-cost and high-performance potentiostat is developed to validate the proposed method. The transient process of real-time-range measurement is investigated to optimize sampling interval and circuit parameters. Typical time consumption of a sampling cycle is less than 100μs, which makes high-speed and real-time-range measurement possible...
June 7, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28601312/improving-staff-perception-of-a-safety-climate-with-crew-resource-management-training
#16
SreyRam Kuy, Ramon A L Romero
BACKGROUND: Communication failure is one of the top root causes in patient safety adverse events. Crew resource management (CRM) is a team building communication process intended to improve patient safety by improving team dynamics. First, to describe implementation of CRM in a Veterans Affair (VA) surgical service. Second, to assess whether staff CRM training is related to improvement in staff perception of a safety climate. MATERIAL AND METHODS: Mandatory CRM training was implemented for all surgical service staff at a VA Hospital at 0 and 12 mo...
June 1, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28598974/water-use-efficiency-and-evapotranspiration-in-maize-soybean-relay-strip-intercrop-systems-as-affected-by-planting-geometries
#17
Tanzeelur Rahman, Xin Liu, Sajad Hussain, Shoaib Ahmed, Guopeng Chen, Feng Yang, Lilian Chen, Junbo Du, Weiguo Liu, Wenyu Yang
Optimum planting geometries have been shown to increase crop yields in maize-soybean intercrop systems. However, little is known about whether changes in planting geometry improve the seasonal water use of maize and soybean intercrops. We conducted two different field experiments in 2013 and 2014 to investigate the effects of changes in planting geometry on water use efficiency (WUE) and evapotranspiration (ETc) of maize (Zea mays L.) and soybean [Glycine max (L.) Merr.] relay strip intercrop systems. Our results showed that the leaf area index of maize for both years where intercropping occurred was notably greater compared to sole maize, thus the soil water content (SWC), soil evaporation (E), and throughfall followed a decreasing trend in the following order: central row of maize strip (CRM) < adjacent row between maize and soybean strip (AR) < central row of soybean strip (CRS)...
2017: PloS One
https://www.readbyqxmd.com/read/28581407/continuous-effect-of-radial-resection-margin-on-recurrence-and-survival-in-rectal-cancer-patients-who-receive-preoperative-chemoradiation-and-curative-surgery-a-multicenter-retrospective-analysis
#18
SooYoon Sung, Sung Hwan Kim, Joo Hwan Lee, Taek Keun Nam, Songmi Jeong, Hong Seok Jang, Jin Ho Song, Jeong Won Lee, Jung Min Bae, Jong Hoon Lee
PURPOSE: To elucidate the proper length and prognostic value of resection margins in rectal cancer patients who received preoperative chemoradiotherapy (CRT) followed by curative total mesorectal excision (TME). METHODS AND MATERIALS: A total of 1476 rectal cancer patients staging cT3-4N0-2M0 were analyzed. All patients received radiation dose of 50.4 Gy in 28 fractions with concurrent 5-fluorouracil or capecitabine. Total mesorectal excision was performed 4 to 8 weeks after radiation therapy...
July 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28548594/immediate-ex-vivo-diagnosis-of-pituitary-adenomas-using-confocal-reflectance-microscopy-a-proof-of-principle-study
#19
Michael A Mooney, Joseph Georges, Mohammedhassan Izady Yazdanabadi, Katherine Y Goehring, William L White, Andrew S Little, Mark C Preul, Stephen W Coons, Peter Nakaji, Jennifer M Eschbacher
OBJECTIVE The objective of this study was to evaluate the feasibility of using confocal reflectance microscopy (CRM) ex vivo to differentiate adenoma from normal pituitary gland in surgical biopsy specimens. CRM allows for rapid, label-free evaluation of biopsy specimens with cellular resolution while avoiding some limitations of frozen section analysis. METHODS Biopsy specimens from 11 patients with suspected pituitary adenomas were transported directly to the pathology department. Samples were immediately positioned and visualized with CRM using a confocal microscope located in the same area of the pathology department where frozen sections are prepared...
May 26, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28546971/the-impact-of-the-customer-relationship-management-on-organizational-productivity-customer-trust-and-satisfaction-by-using-the-structural-equation-model-a-study-in-the-iranian-hospitals
#20
Maryam Yaghoubi, Hamed Asgari, Marzieh Javadi
CONTEXT: One of the challenges in the fiercely competitive space of health organizations is responding to customers and building trust and satisfaction in them in the shortest time, with best quality and highest productivity. Hence the aim of this study is to survey the impact of customer relationship management (CRM) on organizational productivity, customer loyalty, satisfaction and trust in selected hospitals of Isfahan (in Iran). MATERIALS AND METHODS: This study is a correlation descriptive research...
2017: Journal of Education and Health Promotion
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