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https://www.readbyqxmd.com/read/28089065/multisociety-guideline-on-reprocessing-flexible-gi-endoscopes-2016-update
#1
Bret T Petersen, Jonathan Cohen, Ralph David Hambrick, Navtej Buttar, David A Greenwald, Jonathan M Buscaglia, James Collins, Glenn Eisen
No abstract text is available yet for this article.
January 6, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28089034/echoing-concerns-related-to-endoscope-reprocessing
#2
EDITORIAL
Kavel Visrodia, Bret T Petersen
No abstract text is available yet for this article.
February 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28075563/particulate-formation-from-a-copper-oxide-based-oxygen-carrier-in-chemical-looping-combustion-for-co2-capture
#3
Feng He, William Patrick Linak, Shuang Deng, Fanxing Li
Attrition behavior and particle loss of a copper oxide-based oxygen carrier from a methane chemical looping combustion (CLC) process was investigated in a fluidized bed reactor. The aerodynamic diameters of most elutriated particulates, after passing through a horizontal settling duct, range between 2 and 5 μm. A notable number of submicron particulates are also identified. Oxygen carrier attrition was observed to lead to increased CuO loss resulting from the chemical looping reactions, i.e., Cu is enriched in small particles generated primarily from fragmentation in the size range of 10-75 μm...
January 11, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28069113/multisociety-guideline-on-reprocessing-flexible-gi-endoscopes-2016-update
#4
Bret T Petersen, Jonathan Cohen, Ralph David Hambrick, Navtej Buttar, David A Greenwald, Jonathan M Buscaglia, James Collins, Glenn Eisen
No abstract text is available yet for this article.
January 6, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28066932/reuse-and-biocompatibility-of-hemodialysis-membranes-clinically-relevant
#5
Ashish Upadhyay, Bertrand L Jaber
The practice of reprocessing dialyzers for reuse, once predominant in the United States, has been steadily declining over the last 20 years. The professed roles of reuse in improving dialyzer membrane biocompatibility and lowering the risk of first-use syndrome have lost relevance with the advent of biocompatible dialyzer membranes and favorable sterilization techniques. The potential for cost-savings from reuse is also called into question by the easy availability of comparatively cheaper dialyzers and rising regulatory demands and operational cost of reprocessing systems...
January 8, 2017: Seminars in Dialysis
https://www.readbyqxmd.com/read/28062202/commentary-on-2016-multi-society-task-force-endoscope-reprocessing-guidelines
#6
Susan M Hutfless, Anthony N Kalloo
No abstract text is available yet for this article.
January 3, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28047651/su-f-j-100-standardized-biodistribution-template-for-nuclear-medicine-dosimetry-collection-and-reporting
#7
A Kesner, G Poli, S Beykan, M Lassman
PURPOSE: As the field of Nuclear Medicine moves forward with efforts to integrate radiation dosimetry into clinical practice we can identify the challenge posed by the lack of standardized dose calculation methods and protocols. All personalized internal dosimetry is derived by projecting biodistribution measurements into dosimetry calculations. In an effort to standardize organization of data and its reporting, we have developed, as a sequel to the EANM recommendation of "Good Dosimetry Reporting", a freely available biodistribution template, which can be used to create a common point of reference for dosimetry data...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046867/su-f-p-06-moving-from-computed-radiography-to-digital-radiography-a-collaborative-approach-to-improve-image-quality
#8
D Sandoval, D Valenti, T Bateman, V Norris, G Mlady, R Selwyn
PURPOSE: To bring together radiologists, technologists, and physicists to utilize post-processing techniques in digital radiography (DR) in order to optimize image acquisition and improve image quality. METHODS: Sub-optimal images acquired on a new General Electric (GE) DR system were flagged for follow-up by radiologists and reviewed by technologists and medical physicists. Various exam types from adult musculoskeletal (n=35), adult chest (n=4), and pediatric (n=7) were chosen for review...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28034537/duodenoscope-hang-time-does-not-correlate-with-risk-of-bacterial-contamination
#9
Riley Heroux, Michelle Sheppard, Sharon B Wright, Mandeep Sawhney, Elizabeth B Hirsch, Robin Kalaidjian, Graham M Snyder
BACKGROUND: Current professional guidelines recommend a maximum hang time for reprocessed duodenoscopes of 5-14 days. We sought to study the association between hang time and risk of duodenoscope contamination. METHODS: We analyzed cultures of the elevator mechanism and working channel collected in a highly standardized fashion just before duodenoscope use. Hang time was calculated as the time from reprocessing to duodenoscope sampling. The relationship between hang time and duodenoscope contamination was estimated using a calculated correlation coefficient between hang time in days and degree of contamination on the elevator mechanism and working channel...
December 26, 2016: American Journal of Infection Control
https://www.readbyqxmd.com/read/28026187/structure-and-thermochemistry-of-perrhenate-sodalite-and-mixed-guest-perrhenate-pertechnetate-sodalite
#10
Eric M Pierce, Kristina Lilova, David M Missimer, Wayne W Lukens, Lili Wu, Jeffrey Fitts, Claudia Rawn, Ashfia Huq, Donovan N Leonard, Jeremy R Eskelsen, Brian F Woodfield, Carol M Jantzen, Alexandra Navrotsky
Treatment and immobilization of technetium-99 ((99)Tc) contained in reprocessed nuclear waste and present in contaminated subsurface systems represents a major environmental challenge. One potential approach to managing this highly mobile and long-lived radionuclide is immobilization into micro- and meso-porous crystalline solids, specifically sodalite. We synthesized and characterized the structure of perrhenate sodalite, Na8[AlSiO4]6(ReO4)2, and the structure of a mixed guest perrhenate/pertechnetate sodalite, Na8[AlSiO4]6(ReO4)2-x(TcO4)x...
December 27, 2016: Environmental Science & Technology
https://www.readbyqxmd.com/read/27982120/emotional-arousal-modulates-oscillatory-correlates-of-targeted-memory-reactivation-during-nrem-but-not-rem-sleep
#11
Mick Lehmann, Thomas Schreiner, Erich Seifritz, Björn Rasch
Rapid eye movement (REM) sleep is considered to preferentially reprocess emotionally arousing memories. We tested this hypothesis by cueing emotional vs. neutral memories during REM and NREM sleep and wakefulness by presenting associated verbal memory cues after learning. Here we show that cueing during NREM sleep significantly improved memory for emotional pictures, while no cueing benefit was observed during REM sleep. On the oscillatory level, successful memory cueing during NREM sleep resulted in significant increases in theta and spindle oscillations with stronger responses for emotional than neutral memories...
December 16, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27981065/art-3-5d-an-algorithm-to-label-arteries-and-veins-from-three-dimensional-angiography
#12
Beatrice Barra, Elena De Momi, Giancarlo Ferrigno, Guglielmo Pero, Francesco Cardinale, Giuseppe Baselli
Preoperative three-dimensional (3-D) visualization of brain vasculature by digital subtraction angiography from computerized tomography (CT) in neurosurgery is gaining more and more importance, since vessels are the primary landmarks both for organs at risk and for navigation. Surgical embolization of cerebral aneurysms and arteriovenous malformations, epilepsy surgery, and stereoelectroencephalography are a few examples. Contrast-enhanced cone-beam computed tomography (CE-CBCT) represents a powerful facility, since it is capable of acquiring images in the operation room, shortly before surgery...
October 2016: Journal of Medical Imaging
https://www.readbyqxmd.com/read/27977468/a-case-of-asperger-syndrome-with-comorbidity-of-posttraumatic-stress-disorder-and-selective-mutism-significant-remission-with-the-combination-of-aripiprazole-and-eye-movement-desensitization-and-reprocessing
#13
Melis Ipci, Sevim Berrin Inci, Ülkü Akyol Ardiç, Eyup Sabri Ercan
No abstract text is available yet for this article.
February 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/27940061/hemodialyzer-reuse-and-gram-negative-bloodstream-infections
#14
Chris Edens, Jacklyn Wong, Meghan Lyman, Kyle Rizzo, Duc Nguyen, Michela Blain, Sam Horwich-Scholefield, Heather Moulton-Meissner, Erin Epson, Jon Rosenberg, Priti R Patel
BACKGROUND: Clusters of bloodstream infections caused by Burkholderia cepacia and Stenotrophomonas maltophilia are uncommon, but have been previously identified in hemodialysis centers that reprocessed dialyzers for reuse on patients. We investigated an outbreak of bloodstream infections caused by B cepacia and S maltophilia among hemodialysis patients in clinics of a dialysis organization. STUDY DESIGN: Outbreak investigation, including matched case-control study...
December 7, 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/27931630/infectious-complications-in-gastrointestinal-endoscopy-and-their-prevention
#15
REVIEW
Julia Kovaleva
Gastrointestinal endoscopes are medical devices that have been associated with outbreaks of health care-associated infections. Because of the severity and limited treatment options of infections caused by multidrug-resistant Enterobacteriaceae and Pseudomonas aeruginosa, considerable attention has been paid to detection and prevention of these post-endoscopic outbreaks. Endoscope reprocessing involves cleaning, high-level disinfection/sterilization followed by rinsing and drying before storage. Failure of the decontamination process implies the risk of settlement of biofilm producing species in endoscope channels...
October 2016: Best Practice & Research. Clinical Gastroenterology
https://www.readbyqxmd.com/read/27924013/the-proteomexchange-consortium-in-2017-supporting-the-cultural-change-in-proteomics-public-data-deposition
#16
Eric W Deutsch, Attila Csordas, Zhi Sun, Andrew Jarnuczak, Yasset Perez-Riverol, Tobias Ternent, David S Campbell, Manuel Bernal-Llinares, Shujiro Okuda, Shin Kawano, Robert L Moritz, Jeremy J Carver, Mingxun Wang, Yasushi Ishihama, Nuno Bandeira, Henning Hermjakob, Juan Antonio Vizcaíno
The ProteomeXchange (PX) Consortium of proteomics resources (http://www.proteomexchange.org) was formally started in 2011 to standardize data submission and dissemination of mass spectrometry proteomics data worldwide. We give an overview of the current consortium activities and describe the advances of the past few years. Augmenting the PX founding members (PRIDE and PeptideAtlas, including the PASSEL resource), two new members have joined the consortium: MassIVE and jPOST. ProteomeCentral remains as the common data access portal, providing the ability to search for data sets in all participating PX resources, now with enhanced data visualization components...
January 4, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/27922516/advances-in-endoscope-reprocessing-technology-and-its-impact-on-pathogen-transmission
#17
Cathleen Shellnutt
Pathogen transmissions via flexible endoscopes have been documented in the literature and have been historically related to human error or omission of steps in the reprocessing cycle. The 2008 Centers for Disease Control and Prevention report challenged manufacturers of automated endoscope reprocessors to improve and advance technology to automate more of the reprocessing steps. A review and synthesis of the literature following the 2008 Centers for Disease Control and Prevention report was performed to evaluate whether advances in reprocessing technology have occurred and whether these have had an impact on pathogen transmission via flexible endoscopes...
November 2016: Gastroenterology Nursing: the Official Journal of the Society of Gastroenterology Nurses and Associates
https://www.readbyqxmd.com/read/27917955/fractionation-for-further-conversion-from-raw-corn-stover-to-lactic-acid
#18
Ting He, Zhicheng Jiang, Ping Wu, Jian Yi, Jianmei Li, Changwei Hu
Fractionation is considered to be one promising strategy to utilize raw biomass to its fullest and produce chemicals with high selectivity. Herein, ethanol/H2O (1/1, v/v) co-solvent with 0.050 M oxalic acid is used to simultaneously fractionate 88.0 wt% of hemicellulose and 89.2 wt% of lignin in corn stover, while cellulose is not obviously degraded. H2O dissolves hemicellulose, G unit and those with β-O-4 linkage of lignin; whereas ethanol extracts G and S units as well as the skeleton with β-5 and β-β linkages of lignin...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27917825/molecular-symmetry-constrained-systematic-search-approach-to-structure-solution-of-the-coiled-coil-srgap2-f-barx-domain
#19
Michael Sporny, Julia Guez-Haddad, David G Waterman, Michail N Isupov, Yarden Opatowsky
SRGAP2 (Slit-Robo GTPase-activating protein 2) is a cytoplasmic protein found to be involved in neuronal branching, restriction of neuronal migration and restriction of the length and density of dendritic postsynaptic spines. The extended F-BAR (F-BARx) domain of SRGAP2 generates membrane protrusions when expressed in COS-7 cells, while most F-BARs induce the opposite effect: membrane invaginations. As a first step to understand this discrepancy, the F-BARx domain of SRGAP2 was isolated and crystallized after co-expression with the carboxy domains of the protein...
December 1, 2016: Acta Crystallographica. Section D, Structural Biology
https://www.readbyqxmd.com/read/27908461/the-vato-project-an-original-methodology-to-study-the-transfer-of-tritium-as-ht-and-hto-in-grassland-ecosystem
#20
D Maro, F Vermorel, M Rozet, C Aulagnier, D Hébert, S Le Dizès, C Voiseux, L Solier, C Cossonnet, C Godinot, B Fiévet, P Laguionie, O Connan, O Cazimajou, M Morillon, M Lamotte
Tritium ((3)H) is mainly released into the environment by nuclear power plants, military nuclear facilities and nuclear reprocessing plants. The construction of new nuclear facilities in the world as well as the evolution of nuclear fuel management might lead to an increase of (3)H discharges from the nuclear industry. The VATO project was set up by IRSN (Institut de Radioprotection et de Sûreté Nucléaire) and EDF (Electricité de France) to reduce the uncertainties in the knowledge about transfers of (3)H from an atmospheric source (currently releasing HT and HTO) to a grassland ecosystem...
February 2017: Journal of Environmental Radioactivity
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