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https://www.readbyqxmd.com/read/28334182/evaluation-of-different-applications-of-ethanedinitrile-c2n2-in-various-fumigation-chambers-for-control-of-monochamus-alternatus-coleoptera-cerambycidae-in-naturally-infested-logs
#1
Byung-Ho Lee, Chung-Gyoo Park, Yonglin Ren
Monochamus alternatus Hopeis is an important vector of nematode pests of timber in Korea, particularly Bursaphelenchus xylophilus (Steiner & Buhrer) Nickle. Previously, we reported that ethanedinitrile (C2N2) has the potential to replace methyl bromide and metam sodium to control M. alternatus larvae and B. xylophilus under low-temperature (<5 °C) conditions. Herein, we report on fumigation trials of C2N2 over a 3-yr period (February 2013-October 2015) conducted at higher temperatures. The trials were conducted under 24 different conditions that incorporated varying fumigation chamber types (plastic sheeting-enclosed chambers of differing construction or an ISO shipping container, interior size: 5...
March 3, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28326823/tp-e-interval-and-tp-e-qt-ratio-before-and-after-catheter-ablation-in-patients-with-premature-ventricular-complexes
#2
Çağrı Yayla, Fırat Özcan, Dursun Aras, Osman Turak, Özcan Özeke, Serkan Çay, Serkan Topaloğlu
AIM: Tp-e/QT ratio is a novel marker of ventricular repolarization. The aim of the study is to evaluate the Tp-e interval and Tp-e/QT ratio before and after radiofrequency ablation (RFA) for patients with frequent premature ventricular complexes (PVCs). PATIENTS & METHODS: The study included 151 consecutive patients who underwent RFA for treatment of symptomatic frequent PVCs. RESULTS: Tp-e interval, Tp-e/QT ratio and Tp-e/QTc ratio (all p < 0...
March 14, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/28319286/a-successful-model-to-learn-and-implement-ultrasound-guided-venous-catheterization-in-apheresis
#3
Nigopan Gopalasingam, Anna-Marie Eller Thomsen, Lars Folkersen, Peter Juhl-Olsen, Erik Sloth
BACKGROUND: Apheresis treatments can be performed with peripheral venous catheters (PVC), although central venous catheters (CVC) are inserted when PVCs fail or patient with history of difficult vascular access prior to the apheresis. Ultrasound guidance for PVC has shown promising results in other settings. PURPOSE: To investigate if ultrasound guidance for PVC could be implemented among apheresis nurses. Second, how implementation of ultrasound guidance affected the number of CVCs used for apheresis per patient...
March 20, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28317122/an-anthropomorphic-abdominal-phantom-for-deformable-image-registration-accuracy-validation-in-adaptive-radiation-therapy
#4
Yuliang Liao, Linjing Wang, Xiangdong Xu, Haibin Chen, Jiawei Chen, Guoqian Zhang, Huaiyu Lei, Ruihao Wang, Shuxu Zhang, Xuejun Gu, Xin Zhen, Linghong Zhou
PURPOSE: To design and construct a three-dimensional (3D) anthropomorphic abdominal phantom for geometric accuracy and dose summation accuracy evaluations of deformable image registration (DIR) algorithms for adaptive radiation therapy (ART). METHOD: Organ molds, including liver, kidney, spleen, stomach, vertebra and two metastasis tumors, were 3D printed using contours from an ovarian cancer patient. The organ molds were molded with deformable gels made of different mixtures of polyvinyl chloride (PVC) and the softener dioctyl terephthalate...
March 20, 2017: Medical Physics
https://www.readbyqxmd.com/read/28291915/room-scatter-effects-in-total-skin-electron-irradiation-monte-carlo-simulation-study
#5
Alexander Nevelsky, Egor Borzov, Shahar Daniel, Raquel Bar-Deroma
PURPOSE: Total Skin Electron Irradiation (TSEI) is a complex technique which usually involves the use of large electron fields and the dual-field approach. In this situation, many electrons scattered from the treatment room floor are produced. However, no investigations of the effect of scattered electrons in TSEI treatments have been reported. The purpose of this work was to study the contribution of floor scattered electrons to skin dose during TSEI treatment using Monte Carlo (MC) simulations...
January 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28287019/effect-of-prenatal-restraint-stress-and-morphine-co-administration-on-plasma-vasopressin-concentration-and-anxiety-behaviors-in-adult-rat-offspring
#6
Elnaz Nakhjiri, Ehsan Saboory, Shiva Roshan-Milani, Yousef Rasmi, Davod Khalafkhani
Stressful events and exposure to opiates during gestation have important effects on the later mental health of the offspring. Anxiety is among the most common mental disorders. The present study aimed to identify effects of prenatal restraint stress and morphine co-administration on plasma vasopressin concentration (PVC) and anxiety behaviors in rats. Pregnant rats were divided into four groups (n = 6, each): saline, morphine, stress+saline and stress+morphine treatment. The stress procedure consisted of restraint twice per day, two hours per session, for three consecutive days starting on day 15 of pregnancy...
March 12, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28242924/effect-of-alternatives-to-chlorine-washing-for-sanitizing-fresh-coriander
#7
Haiyan Gao, Xiangjun Fang, Yunlong Li, Hangjun Chen, Qi Fa Zhao, Tony Z Jin
Fresh coriander leaves are highly perishable in nature and their sensory quality and nutritional value decreases without proper processing or preservation. In the present study, three aqueous solutions of sodium hypochlorite (SH, 100 mg/L), chlorine dioxide (CD, 10 mg/L), and sodium butyl p-hydroxybenzoate (SBPH, 12 mg/L), and tap water, were used to treat fresh coriander for 15 min. The treated samples were packed in PVC boxes with ambient air under packaged under passive modified atmosphere packaging conditions and stored at 4 °C for 10 days...
January 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28225874/experimental-burns-comparison-between-silver-sulfadiazine-and-photobiomodulation
#8
Mariana Teixeira Gomes, Gabriela Russo Soeiro Campos, Natália Piccolo, Cristiane Miranda França, Guelton Hirano Guedes, Fabio Lopes, Renata A Belotto, Christiane Pavani, Rafael do Nascimento de Lima, Daniela de Fátima Teixeira da Silva
OBJECTIVE: To analyze morphological characteristics and organization of the collagen fibers of third degree burns from scalding compared to laser therapy and silver sulfadiazine, the latter considered as the gold standard. METHOD: Were selected 12 animals (Rattus norvegicus) also divided into three groups (control group [CG] - untreated burns; sulfadiazine group [SG] - burns were treated with silver sulfadiazine at 1%; laser group [LG] - burns were treated with photobiomodulation)...
January 1, 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28219298/microwave-assisted-surface-modification-for-the-separation-of-polycarbonate-from-polymethylmethacrylate-and-polyvinyl-chloride-waste-plastics-by-flotation
#9
Luoluo Huang, Hui Wang, Chongqing Wang, Junyao Zhao, Bo Zhang
Microwave-assisted potassium permanganate modification (MPPM) was used for the flotation separation of polycarbonate (PC) from polyvinyl chloride (PVC) and polymethylmethacrylate (PMMA) waste plastics. The separation process was optimized by investigating the potassium permanganate concentration, treatment time, flotation time and frother concentration. MPPM selectively reduced the flotation recovery of PC. The optimum conditions were determined to be: potassium permanganate concentration, 2 mM/L; treatment time, 1 min; frother concentration, 17...
March 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28130474/design-and-validation-of-the-gi-nec-score-to-prognosticate-overall-survival-in-patients-with-high-grade-gastrointestinal-neuroendocrine-carcinomas
#10
Angela Lamarca, Thomas Walter, Marianne Pavel, Ivan Borbath, Patricia Freis, Barbara Nuñez, Alexa Childs, Mairéad G McNamara, Richard A Hubner, Rocio Garcia-Carbonero, Tim Meyer, Juan W Valle, Jorge Barriuso
BACKGROUND: Prognostic markers for risk stratification of patients with gastrointestinal high-grade neuroendocrine carcinomas (GI-NECs) are lacking; we designed and validated a prognostic score for overall survival (OS). METHODS: Consecutive patients diagnosed in five neuroendocrine specialist European centers were included. Patients were divided into three cohorts: a training cohort (TC), an external validation cohort (EVC), and a prospective validation cohort (PVC)...
January 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28123973/imaging-of-venous-compression-syndromes
#11
REVIEW
Evan J Zucker, Suvranu Ganguli, Brian B Ghoshhajra, Rajiv Gupta, Anand M Prabhakar
Venous compression syndromes are a unique group of disorders characterized by anatomical extrinsic venous compression, typically in young and otherwise healthy individuals. While uncommon, they may cause serious complications including pain, swelling, deep venous thrombosis (DVT), pulmonary embolism, and post-thrombotic syndrome. The major disease entities are May-Thurner syndrome (MTS), variant iliac vein compression syndrome (IVCS), venous thoracic outlet syndrome (VTOS)/Paget-Schroetter syndrome, nutcracker syndrome (NCS), and popliteal venous compression (PVC)...
December 2016: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/28089400/selective-sequential-separation-of-abs-hips-and-pvc-from-automobile-and-electronic-waste-shredder-residue-by-hybrid-nano-fe-ca-cao-assisted-ozonisation-process
#12
Srinivasa Reddy Mallampati, Byoung Ho Lee, Yoshiharu Mitoma, Cristian Simion
The separation of plastics containing brominated flame retardants (BFR) like (acrylonitrile-butadiene-styrene (ABS), high-impact polystyrene (HIPS), and polyvinyl chloride (PVC)) from automobile and electronic waste shredder residue (ASR/ESR) are a major concern for thermal recycling. In laboratory scale tests using a hybrid nano-Fe/Ca/CaO assisted ozonation treatment has been found to selectively hydrophilize the surface of ABS/HIPS and PVC plastics, enhancing ABS wettability and thereby promoting its separation from ASR/ESR by means of froth flotation...
January 12, 2017: Waste Management
https://www.readbyqxmd.com/read/28019045/autonomic-modulation-for-the-treatment-of-ventricular-arrhythmias-therapeutic-use-of-percutaneous-stellate-ganglion-blocks
#13
Marat Fudim, Richard Boortz-Marx, Chetan B Patel, Albert Y Sun, Jonathan P Piccini
Ventricular tachycardia (VT), ventricular fibrillation (VF), and electrical storm are commonly encountered emergency conditions in cardiac and surgical intensive care units. In most cases, recurrent ventricular arrhythmias or electrical storm are associated with a heightened sympathetic tone. These arrhythmias can be difficult to treat and may be refractory to beta-blockade, antiarrhythmic therapy, sedation, and mechanical hemodynamic support. While monomorphic ventricular tachycardia and PVC-triggered polymorphic ventricular tachycardia may sometimes be amenable to successful ablation, some patients may be too critically ill to make such an approach feasible...
December 26, 2016: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/27988406/diabetes-impairs-arterio-venous-specification-in-engineered-vascular-tissues-in-a-perivascular-cell-recruitment-dependent-manner
#14
Wafa Altalhi, Xuetao Sun, Jeremy M Sivak, Mansoor Husain, Sara S Nunes
Cell-based tissue engineering is a potential treatment alternative for organ replacement. However, the lack of a robust vasculature, especially in the context of diseases such as diabetes, is a major hindrance to its success. Despite extensive research on the effects of diabetes in angiogenic sprouting, its effects on vessel arterio-venous (AV) specification have not been addressed. Using an engineered tissue that yields functional vessels with characteristic AV identities, we demonstrate that type 1 diabetes negatively affects vessel AV specification and perivascular cell (PVC) coverage...
March 2017: Biomaterials
https://www.readbyqxmd.com/read/27986936/quarantine-treatments-of-imported-nursery-plants-and-exported-cut-flowers-by-phosphine-gas-ph3-as-methyl-bromide-alternative
#15
Bong Su Kim, Chung Gyoo Park, Young Mi Moon, Bo Kyung Sung, Yonglin Ren, Stephen J Wylie, Byung Ho Lee
Quarantine treatments by phosphine (PH3) gas have been performed to replace methyl bromide (MeBr) for export cut flowers and imported nursery plant in Korea. In this preliminary study, two dominant insect pests of cut flowers, Tetranychus urticae Koch and Frankliniella occidentalis Pergande, and the dominant insect pest of nursery plants, Planococcus citri Risso, were used to certify optimum concentration and fumigation time, along with evaluation of phytotoxic damages. To validate the results of preliminary tests, quarantine treatments for export cut flowers was performed in a 58-m(3) reefer container...
December 2016: Journal of Economic Entomology
https://www.readbyqxmd.com/read/27943143/heterogeneous-nano-fe-ca-cao-catalytic-ozonation-for-selective-surface-hydrophilization-of-plastics-containing-brominated-and-chlorinated-flame-retardants-b-cfrs-separation-from-automobile-shredder-residue-by-froth-flotation
#16
Srinivasa Reddy Mallampati, Byoung Ho Lee, Yoshiharu Mitoma, Cristian Simion
One method of weakening the inherently hydrophobic surface of plastics relevant to flotation separation is heterogeneous nano-Fe/Ca/CaO catalytic ozonation. Nano-Fe/Ca/CaO-catalyzed ozonation for 15 min efficiently decreases the surface hydrophobicity of brominated and chlorinated flame retardant (B/CFR)-containing plastics (such as acrylonitrile-butadienestyrene (ABS), high-impact polystyrene (HIPS), and polyvinyl chloride (PVC)) in automobile shredder residue (ASR) to such an extent that their flotation ability is entirely depressed...
December 9, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27867290/ranolazine-is-an-effective-and-safe-treatment-of-adults-with-symptomatic-premature-ventricular-contractions-due-to-triggered-ectopy
#17
Gary L Murray
Early and delayed afterdepolarizations (EAD/DAD) cause triggered ventricular ectopy. Because ranolazine (RAN) suppresses EAD/DAD, we postulated that RAN might be effective in reducing premature ventricular contractions (PVCs). To assess the effect of RAN in patients with symptomatic PVCs due to triggered ectopy and its safety and tolerability. A total of 59 patients with symptomatic PVCs were identified from full-disclosure Holters. Doses of 500 and 1,000 mg offlabel RAN, daily, were given to 34 and 66% patients, respectively, and repeat Holters were performed prospectively during mean followup of 3...
December 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/27865648/-related-factors-with-extravasation-of-non-cytostatic-agents-in-peripheral-vein-catheters
#18
Cristina Fernández-García, Esther Mata-Peón, Sara Avanzas-Fernández
OBJECTIVE: To know the independent variables related to the occurrence of extravasation in patients with peripheral vein catheters (PVC). MATERIAL AND METHOD: Retrospective study carried out in 6 longitudinal cuts between July 2013 an January 2014. A total of 1,442 PVC were reviewed, of which 730 met the inclusion criteria, and were divided into 2 groups: extravasation and not extravasation, with 365 cases each. The variables of age, gender, admission unit, catheter gauge, insertion site, previous insertion into the same limb, hospital unit where the insertion took place, communication difficulties, personal health history and analyzed parenterally drug administered were considered...
November 16, 2016: Enfermería Clínica
https://www.readbyqxmd.com/read/27836345/a-high-performance-protocol-for-extraction-of-microplastics-in-fish
#19
Ali Karami, Abolfazl Golieskardi, Cheng Keong Choo, Nicholas Romano, Yu Bin Ho, Babak Salamatinia
So far, several classes of digesting solutions have been employed to extract microplastics (MPs) from biological matrices. However, the performance of digesting solutions across different temperatures has never been systematically investigated. In the first phase of the present study, we measured the efficiency of different oxidative agents (NaClO or H2O2), bases (NaOH or KOH), and acids [HCl or HNO3; concentrated and diluted (5%)] in digesting fish tissues at room temperature (RT, 25°C), 40, 50, or 60°C...
February 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27685976/improvements-in-permeation-and-fouling-resistance-of-pvc-ultrafiltration-membranes-via-addition-of-tetronic-1107-and-triton-x-100-as-two-non-ionic-and-hydrophilic-surfactants
#20
Hesamoddin Rabiee, S Mojtaba Seyedi, Hossein Rabiei, Negar Alvandifar
Two non-ionic and hydrophilic surfactant additives, Tetronic-1107 and Triton X-100, were added to poly(vinyl chloride)/NMP polymeric solution to prepare ultrafiltration membranes via immersion precipitation. Surfactants at three different weight percentages up to 6 wt% were added, and the fabricated membranes were characterized and their performance for water treatment in the presence of bovine serum albumin (BSA) as a foulant was assessed. The scanning electron microscopy images indicated remarkable changes in morphology due to higher thermodynamic instability after surfactant addition...
September 2016: Water Science and Technology: a Journal of the International Association on Water Pollution Research
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