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https://www.readbyqxmd.com/read/29040804/mechanochemical-synthesis-of-carbon-nanothread-single-crystals
#1
Xiang Li, Maria Baldini, Tao Wang, Bo Chen, En-Shi Xu, Brian Vermilyea, Vincent H Crespi, Roald Hoffmann, Jamie J Molaison, Christopher A Tulk, Malcolm Guthrie, Stanislav Sinogeikin, John V Badding
Synthesis of well-ordered reduced-dimensional carbon solids with extended bonding remains a challenge. For example, few single-crystal organic monomers react under topochemical control to produce single-crystal extended solids. We report a mechanochemical synthesis in which slow compression at room temperature under uniaxial stress can convert polycrystalline or single-crystal benzene monomer into single-crystalline packings of carbon nanothreads, a one-dimensional sp3 carbon nanomaterial. The long range order over hundreds of microns of these crystals allows them to readily exfoliate into fibers...
October 17, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29040800/ocriplasmin-for-symptomatic-vitreomacular-adhesion
#2
REVIEW
James E Neffendorf, Varo Kirthi, Edward Pringle, Timothy L Jackson
BACKGROUND: Symptomatic vitreomacular adhesion (sVMA) is a recognised cause of visual loss and by tradition has been managed by pars plana vitrectomy (PPV). A less invasive alternative to surgery in some people is enzymatic vitreolysis, using an intravitreal injection of ocriplasmin. OBJECTIVES: To assess the efficacy and safety of ocriplasmin compared to no treatment, sham or placebo for the treatment of sVMA. SEARCH METHODS: We searched the Cochrane Central Register of Controlled Trials (CENTRAL) (which contains the Cochrane Eyes and Vision Trials Register) (2017, Issue 1), MEDLINE Ovid (1946 to 24 February 2017), Embase Ovid (1947 to 24 February 2017), PubMed (1946 to 24 February 2017), the ISRCTN registry (www...
October 17, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29040484/esophagocardioplasty-vagotomy-antrectomy-and-roux-en-y-gastrojejunostomy-indication-in-cases-with-severe-esophageal-motor-disfunction
#3
I Braghetto, O Korn, A Csendes, J C Frias
Almost 10% of patients with Crest syndrome associated with severe gastroesophageal reflux and 5-10% of patients with failed cardiomyotomy for achalasia present with cardial or distal esophageal organic stricture. Some of these cases are poor risk patients for surgery and therefore the surgeon must offer a safe procedure with low morbimortality, keeping in mind the pathophysiological motor pattern of these patients.In order to treat the stricture to improve the esophageal transit we treated patients with esophagocardioplasty associated with vagotomy-antrectomy and Roux-en-Y gastrojejunostomy, thereby avoiding the potential acid or biliary reflux in poor risk patients in whom esophagectomy would be a very deleterious procedure...
November 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/29040429/the-role-of-glp-1-in-the-metabolic-success-bariatric-surgery
#4
Chelsea R Hutch, Darleen Sandoval
Two of the most popular bariatric procedures, vertical sleeve gastrectomy (VSG) and Roux-en-Y gastric bypass (RYGB), are commonly considered 'metabolic surgeries' because they are thought to impact metabolism in a weight loss-independent manner. In support of this, improvements in glucose homeostasis, insulin sensitivity, and even discontinuation of type 2 diabetes mellitus (T2DM) medication can occur before substantial postoperative weight loss. The mechanisms that underlie this effect are unknown. However, one of the common findings after VSG and RYGB in both animal models and in humans is the sharp postprandial rise in several gut peptides, including the incretin and satiety peptide, glucagon-like peptide-1 (GLP-1)...
October 9, 2017: Endocrinology
https://www.readbyqxmd.com/read/29040424/body-contouring-surgery-and-the-maintenance-of-weight-loss-following-roux-en-y-gastric-bypass-a-retrospective-study
#5
Oliver J Smith, Nadine Hachach-Haram, Max Greenfield, Nicki Bystrzonowski, Andrea Pucci, Rachel L Batterham, Majid Hashemi, Afshin Mosahebi
Background: Bariatric surgery leads to significant weight loss with reduced morbidity and mortality. However, excess skin as a consequence of weight loss represents a major problem, impacting upon patient's functionality with potential negative effects on weight loss. Objectives: We evaluated the effect of body-contouring surgery on weight-loss maintenance following bariatric surgery. Methods: We undertook a retrospective analysis of patients undergoing Roux-en-Y gastric bypass (RYGB) +/- body-contouring surgery (BC)...
October 4, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29036978/-clinical-features-and-surgical-treatment-effect-of-patients-with-cardiac-cavernous-hemangioma
#6
Q L Yang, B Tang, X H Zhou, J P Wang, H Y Wang, S Y Wang
Objective: To investigate the clinical features and surgical treatment effect of patients with cardiac cavernous hemangioma. Methods: Clinical data of 9 patients (5 male, aged from 4 to 53 years old) with cardiac cavernous hemangioma, who underwent surgical treatment from November 2002 to March 2015 and the diagnosis of cardiac cavernous hemangioma was confirmed by postoperative histological examination, were retrospectively analyzed. Effects of surgical treatment were analyzed. Results: Four patients were asymptomatic (heart murmur presented in 3 patients during physical examination)...
September 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29036747/prevention-of-multidrug-resistant-infections-from-contaminated-duodenoscopes-position-statement-of-the-european-society-of-gastrointestinal-endoscopy-esge-and-european-society-of-gastroenterology-nurses-and-associates-esgena
#7
Ulrike Beilenhoff, Holger Biering, Reinhard Blum, Jadranka Brljak, Monica Cimbro, Jean-Marc Dumonceau, Cesare Hassan, Michael Jung, Christiane Neumann, Michael Pietsch, Lionel Pineau, Thierry Ponchon, Stanislav Rejchrt, Jean-François Rey, Verona Schmidt, Jayne Tillett, Jeanin van Hooft
Patients should be informed about the benefits and risks of endoscopic retrograde cholangiopancreatography (ERCP)Only specially trained and competent personnel should carry out endoscope reprocessing.Manufacturers of duodenoscopes should provide detailed instructions on how to use and reprocess their equipment.In the case of modifications to their equipment, manufacturers should provide updated instructions for use.Detailed reprocessing protocols based on the manufacturer's instructions for use should clearly lay out the different reprocessing steps necessary for each endoscope model...
October 16, 2017: Endoscopy
https://www.readbyqxmd.com/read/29036192/viral-infection-upregulates-myostatin-promoter-activity-in-orange-spotted-grouper-epinephelus-coioides
#8
Yi-Tien Chen, Chao-Fen Lin, Young-Mao Chen, Chih-En Lo, Wan-Erh Chen, Tzong-Yueh Chen
Myostatin is a negative regulator of myogenesis and has been suggested to be an important factor in the development of muscle wasting during viral infection. The objective of this study was to characterize the main regulatory element of the grouper myostatin promoter and to study changes in promoter activity due to viral stimulation. In vitro and in vivo experiments indicated that the E-box E6 is a positive cis-and trans-regulation motif, and an essential binding site for MyoD. In contrast, the E-box E5 is a dominant negative cis-regulatory...
2017: PloS One
https://www.readbyqxmd.com/read/29035973/the-relevance-of-dietary-protein-after-bariatric-surgery-what-do-we-know
#9
Nele Steenackers, Ina Gesquiere, Christophe Matthys
PURPOSE OF REVIEW: The growing obesity epidemic is associated with an increased demand for bariatric surgery with Roux-en-Y Gastric Bypass and Sleeve Gastrectomy as the most widely performed procedures. Despite beneficial consequences, nutritional complications may arise because of anatomical and physiological changes of the gastrointestinal tract. The purpose of this review is to provide an update of the recent additions to our understanding of the impact of bariatric surgery on the intake, digestion and absorption of dietary protein...
October 14, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/29035671/selection-of-electrogenic-bacteria-for-microbial-fuel-cell-in-removing-victoria-blue-r-from-wastewater
#10
Chih-Yu Chen, Teh-Hua Tsai, Pei-Ssu Wu, Shuo-En Tsao, Yu-Shan Huang, Ying-Chien Chung
This study was conducted to select electrogenic bacteria from wastewater sludge. Phylogenetic analysis revealed that Proteobacteria was the dominant phylum in the microbial fuel cell (MFC) during the decomposition process of organic pollutants. Five culturable bacteria strains - namely, Bacillus subtilis, Flavobacterium sp., Aeromonas hydrophila, Citrobacter freundii, and Stenotrophomonas sp. - have a double potential in dye removal and electricity generation. We inoculated the mixed electrogenic bacteria at a specific ratio and treated them with a triphenylmethane dye, Victoria blue R (VBR), to evaluate their electricity generation ability for the artificial and real wastewater...
October 16, 2017: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/29035506/development-and-evaluation-of-a-water-based-flame-retardant-spray-coating-for-cotton-fabrics
#11
Indraneel S Zope, Foo Shini, Dean Seah, Aswini Akunuri, Aravind Dasari
In this article, we report on the development of water-based flame retardant coating based on phospho-nitrogen combination for cotton fabrics. A one-step spray-on process was employed to coat the fabrics by taking advantage of the spontaneous reaction between para-phenylene diamine (PDA) and tetrakis(hydroxymethyl)phosphonium chloride (THPC) resulting in an instantaneous precipitation of poly[1,4-diaminophenylene-tris(dimethyl hydroxymethyl)phosphine] (PApP) on the fabric surface. The effectiveness of PApP in improving the flame retardant properties like ignition resistance and lateral flame spread were evaluated in accordance with ASTM D6413 and BS EN ISO 15025 flammability tests...
October 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29034881/generation-of-induced-pluripotent-stem-cells-derived-from-an-autosomal-dominant-polycystic-kidney-disease-patient-with-a-p-ser1457fs-mutation-in-pkd1
#12
Ching-Ying Huang, Ming-Ching Ho, Jia-Jung Lee, Daw-Yang Hwang, Hui-Wen Ko, Yu-Che Cheng, Yu-Hung Hsu, Huai-En Lu, Hung-Chun Chen, Patrick C H Hsieh
Autosomal dominant polycystic kidney disease is one of the most prevalent forms of inherited cystic kidney disease, and can be characterized by kidney cyst formation and enlargement. Here we report the generation of a Type 1 ADPKD disease iPS cell line, IBMS-iPSC-012-12, which retains the conserved deletion of PKD1, normal karyotype and exhibits the properties of pluripotent stem cells such as ES-like morphology, expression of pluripotent markers and capacity to differentiate into all three germ layers. Our results show that we have successfully generated a patient-specific iPS cell line with a mutation in PKD1 for study of renal disease pathophysiology...
October 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29034446/glucose-variability-after-bariatric-surgery-is-prediction-of-diabetes-remission-possible
#13
Ana M Ramos-Leví, Andrés Sánchez-Pernaute, Clara Marcuello, Mercedes Galindo, Alfonso L Calle-Pascual, Antonio J Torres, Miguel A Rubio
We aimed to corroborate glycemic control after bariatric surgery (BS) using continuous glucose monitoring (CGM) and analyze if data could predict long-term outcome. We evaluated 24 of our patients with type 2 diabetes who underwent BS (12 Roux-en-Y gastric bypass, RYGB, and 12 single-anastomosis duodeno-ileal bypass with sleeve gastrectomy, SADI-S) and who were in remission after 18-24 months' follow-up. At this time, a CGM device was placed for 7 days. Patients were reevaluated thereafter for at least 5 years...
October 16, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/29034073/unmet-goals-in-the-treatment-of-acute-myocardial-infarction-review
#14
REVIEW
Alejandro Farah, Alejandro Barbagelata
Reperfusion therapy decreases myocardium damage during an acute coronary event and consequently mortality. However, there are unmet needs in the treatment of acute myocardial infarction, consequently mortality and heart failure continue to occur in about 10% and 20% of cases, respectively. Different strategies could improve reperfusion. These strategies, like generation of warning sign recognition and being initially assisted and transferred by an emergency service, could reduce the time to reperfusion. If the first electrocardiogram is performed en route, it can be transmitted and interpreted in a timely manner by a specialist at the receiving center, bypassing community hospitals without percutaneous coronary intervention capabilities...
2017: F1000Research
https://www.readbyqxmd.com/read/29033655/waarnemingen-be-plant-occurrences-in-flanders-and-the-brussels-capital-region-belgium
#15
Roosmarijn Steeman, Wouter Vanreusel, Rutger Barendse, Filip Verloove, Nico Wysmantel, Walter Van den Bussche, Thomas Gyselinck, Pieter Hendrickx, Arnout Zwaenepoel, Pierre Van Vooren, Steven Jacobs, Peter Desmet, Karin Gielen, Marc Herremans, Kristijn R R Swinnen
Waarnemingen.be - Plant occurrences in Flanders and the Brussels Capital Region, Belgium is a species occurrence dataset published by Natuurpunt. The dataset contains almost 1.2 million plant occurrences of 1,222 native vascular plant species, mostly recorded by volunteers (citizen scientists), mainly since 2008. The occurrences are derived from the database http://www.waarnemingen.be, hosted by Stichting Natuurinformatie and managed by the nature conservation NGO Natuurpunt. Together with the datasets Florabank1 (Van Landuyt and Brosens 2017) and the Belgian IFBL (Instituut voor Floristiek van België en Luxemburg) Flora Checklists (Van Landuyt and Noé 2015), the dataset represents the most complete overview of indigenous plants in Flanders and the Brussels Capital Region...
2017: PhytoKeys
https://www.readbyqxmd.com/read/29033596/metabolic-syndrome-remission-after-roux-en-y-gastric-bypass-or-sleeve-gastrectomy
#16
Ibrahim Nassour, Jaime P Almandoz, Beverley Adams-Huet, Sachin Kukreja, Nancy Puzziferri
BACKGROUND: Bariatric surgery is known to decrease weight and the prevalence of comorbidities, but there is little evidence on the differential effect of Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG) on the remission of the aggregate outcome, metabolic syndrome, 4 years after surgery. The purpose of this study was to determine the effectiveness of RYGB and SG on metabolic syndrome in veterans. METHODS: We retrospectively reviewed consecutive patients who underwent SG and RYGB at the Dallas Veterans Affairs Medical Center from 2003 to 2012...
2017: Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy
https://www.readbyqxmd.com/read/29033403/development-of-a-new-test-cell-to-measure-cumulative-permeation-of-water-insoluble-pesticides-with-low-vapor-pressure-through-protective-clothing-and-glove-materials
#17
Anugrah Shaw, Ana Carla Coleone-Carvalho, Julien Hollingshurst, Michael Draper, Joaquim Gonçalves Machado Neto
A collaborative approach, involving resources and expertise from several countries, was used to develop a test cell to measure cumulative permeation by a solid-state collection technique. The new technique was developed to measure the permeation of pesticide active ingredients and other chemicals with low vapor pressure that would otherwise be difficult to test via standard techniques. The development process is described and the results from the final chosen test method are reported. Inter-laboratory studies were conducted to further refine the new method and determine repeatability and reliability...
October 14, 2017: Industrial Health
https://www.readbyqxmd.com/read/29032865/electron-postmastectomy-chest-wall-plus-comprehensive-nodal-irradiation-technique-using-electron-monte-carlo-dose-algorithm
#18
Linda Hong, Ase Ballangrud, Beryl McCormick, James Mechalakos
For left-sided postmastectomy patients requiring chest wall plus comprehensive nodal irradiation, sometimes traditional techniques such as partial wide tangents or electron/tangents combination are not feasible due to abnormal chest wall contour or heart position or unusually wide excision scar. We developed electron chest wall irradiation technique using Electron Monte Carlo (EMC) dose algorithm that will achieve heart sparing with acceptable ipsilateral lung dose, minimal contralateral lung, and breast dose...
October 9, 2017: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
https://www.readbyqxmd.com/read/29032676/following-the-molecular-mechanism-of-decarbonylation-of-unsaturated-cyclic-ketones-using-bonding-evolution-theory-coupled-with-nci-analysis
#19
Ehsan Zahedi, Samaneh Shaabani, Abolfazl Shiroudi
The synergetic use of bonding evolution theory (BET) and non-covalent interaction (NCI) analysis allows to obtain new insight into the bond breaking/forming processes and electron redistribution along the reaction path to understand the molecular mechanism of a reaction and recognize regions of strong and weak electron pairing. This viewpoint has been considered for cheletropic extrusion of CO from unsaturated cyclic ketones cyclohepta-3,5-dien-1-one CHD, cyclopent-3-en-1-one CPE and bicyclo[2.2.1]hept-2-en-7-one BCH by using hybrid functional MPWB1K in conjugation with aug-cc-pVTZ basis set...
October 15, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/29032488/how-do-individuals-develop-alcohol-use-disorder-after-bariatric-surgery-a-grounded-theory-exploration
#20
Ruth Yoder, Padraig MacNeela, Ronan Conway, Caroline Heary
BACKGROUND: Bariatric surgery is the most effective treatment for severe obesity. However, following Roux-en-Y gastric bypass (RYGB) surgery, a small minority of patients develop new-onset alcohol use disorder (AUD), the aetiology of which is poorly understood. AIM: The aim is to construct a theory to explain the development of AUD among a sample of individuals who reported problematic drinking following RYGB. METHOD: Semi-structured interviews were conducted with eight RYGB patients diagnosed with AUD attending a multi-disciplinary outpatient weight management service at a public hospital in the Republic of Ireland...
October 14, 2017: Obesity Surgery
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