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https://www.readbyqxmd.com/read/28649045/roles-of-phytoplankton-and-macrophyte-derived-dissolved-organic-matter-in-sulfamethazine-adsorption-on-goethite
#1
Leilei Bai, Chicheng Cao, Chunliu Wang, Changhui Wang, Hui Zhang, Helong Jiang
Phytoplankton-derived dissolved organic matter (PDOM) and macrophyte-derived dissolved organic matter (MDOM) exist ubiquitously in eutrophic freshwater lakes. To understand the heterogeneous roles of individual fluorescent DOM components in the adsorption of antibiotics onto sediment minerals, the adsorptive fractionation of DOM on goethite (α-FeOOH) and its interaction with sulfamethazine (SMT) were investigated using fluorescence excitation-emission matrix combined with parallel factor analysis (EEM-PARAFAC)...
June 22, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28636750/comparison-of-serum-vaspin-levels-and-vaspin-expression-in-adipose-tissue-and-smooth-muscle-tissue-in-pregnant-women-with-and-without-gestational-diabetes
#2
Yuping Tang, Ping Qiao, Xiaoxian Qu, Yirong Bao, Yuhong Li, Yini Liao, Hao Ying
OBJECTIVE: Vaspin is associated with metabolic parameters and insulin resistance. However, the expression of vaspin in visceral adipose tissue (VAT) in pregnant women with gestational diabetes mellitus (GDM) has not been fully explored, and the contribution of vaspin to the biological mechanisms underlying GDM remains unclear. This study aimed to compare circulating vaspin levels and its expression in different insulin target tissues including subcutaneous adipose tissue (SAT), VAT, and smooth muscle tissue (SMT) in pregnant women with and without GDM...
June 21, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28623944/the-effect-of-combining-manual-therapy-with-exercise-for-mild-chronic-obstructive-pulmonary-disease-study-protocol-for-a-randomised-controlled-trial
#3
Roger M Engel, Jaxson Wearing, Peter Gonski, Subramanyam Vemulpad
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is a major cause of disability and hospital admission. Current management strategies have not been successful in altering the loss of lung function typically seen as the disease progresses. A recent systematic review into the use of spinal manipulative therapy (SMT) in the management of COPD concluded that there was low level evidence to support the view that a combination of SMT and exercise had the potential to improve lung function more than exercise alone in people with moderate to severe COPD...
June 17, 2017: Trials
https://www.readbyqxmd.com/read/28621291/role-of-endoscopic-ultrasound-and-endoscopic-ultrasound-guided-fine-needle-aspiration-in-endoscopic-biopsy-negative-gastrointestinal-lesions
#4
Hussein Hassan Okasha, Mohamed Naguib, Mohamed El Nady, Reem Ezzat, Emad Al-Gemeie, Waleed Al-Nabawy, Wael Aref, Ahmed Abdel-Moaty, Karim Essam, Ahmed Hamdy
BACKGROUND AND OBJECTIVES: Many cases of gastrointestinal (GI) tumors as lymphoma, adenocarcinoma, and most of submucosal tumors (SMT) such as gastrointestinal stromal tumor (GIST) and leiomyoma are difficult to diagnose as they frequently yield negative endoscopic biopsies. We evaluated the accuracy of endoscopic ultrasound (EUS) and EUS-guided fine-needle aspiration (EUS-FNA) in the diagnosis of endoscopic biopsy negative GI tumors. PATIENTS AND METHODS: One hundred and nine patients with biopsy negative GI tumors were included in this prospective study...
May 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28618340/fast-and-efficient-zirconia-based-reversed-phase-chromatography-for-selective-determination-of-triptans-in-rat-plasma
#5
Sameh Ahmed, Noha N Atia
Selective and fast chromatographic method was essential for the determination of triptans, selective serotonin receptor (5-HT1) agonists, in biological specimens. However, selective chromatographic separation of these highly basic drugs is a challenging problem on silica-based stationary phases. Zirconia-based stationary phases have been introduced as an efficient alternative for silica-based columns offering unique stability, selectivity, and retention ability for various classes of drugs. Herein, a new selective, fast and reproducible high performance liquid chromatographic method (HPLC) was developed and validated for the determination of four triptans in plasma samples namely; Sumatriptan (SMT), Zolmitriptan (ZLT), Eletriptan (ELT) and Rizatriptan (RZT)...
June 7, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28616907/-differentiation-of-cultivated-cd45-cd31-mouse-lung-side-population-cells-into-vascular-smooth-muscle-cells-in-vitro
#6
Ming-Jie Zhang, Zong-Ze Li, Yang Xu, Simon Xun Liang
OBJECTIVES: To investigate the characteristics of differentiation of lung side population cells (LSP cells)in vitro. METHODS: CD45(-)/CD31(+) LSP cells sorted by flow cytometry were taken from mouse lung tissues and cultured for 14 d. The cultured LSP cells were observed with colony formation assay and flow cytometryin vitro. The mRNA expressions of ATP-binding cassette transporter G2 (ABCG2), smooth muscle actin (SMA) and α-smooth muscle tropomyosin (α-SMT) in both freshly isolated LSP cells and cultured LSP cells were examined...
May 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28591958/-survival-of-patients-with-metastatic-recurrent-triple-negative-breast-cancer
#7
Zu-Xiang Peng, Xiao-Rong Zhong, Zhu Wang, Yu Wang, Yan-Ping Wang, Hong Zheng, Jing Jing
OBJECTIVES: To determine factors associated with the survival of patients with metastatic recurrent triple-negative breast cancer (mrTNBC). METHODS: Initial metastatic recurrent (during or after therapy) patients with triple-negative breast cancer (TNBC) confirmed by post-operate pathology in the West China Hospital of Sichuan University were followed up. The accumulative survival rates after recurrence were calculated using Kaplan-Meier method and differences were tested using log-rank tests...
July 2016: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28578242/removal-of-antibiotics-sulfamethazine-tetracycline-and-chloramphenicol-from-aqueous-solution-by-raw-and-nitrogen-plasma-modified-steel-shavings
#8
Van Son Tran, Huu Hao Ngo, Wenshan Guo, Cuong Ton-That, Jianxin Li, Jixiang Li, Yi Liu
The removal of sulfamethazine (SMT), tetracycline (TC) and chloramphenicol (CP) from synthetic wastewater by raw (M3) and nitrogen plasma modified steel shavings (M3-plN2) was investigated using batch experiments. The adsorption kinetics could be expressed by both pseudo-first-order kinetic (PFO) and pseudo-second-order kinetic (PSO) models, where correlation coefficient r(2) values were high. The values of PFO rate constant k1p and PSO rate constant k2p decreased as SMT-M3>SMT-M3-plN2>TC-M3-plN2>TC-M3>CP-M3>CP-M3-plN2 and SMT-M3>SMT-M3-plN2>TC-M3>TC-M3-plN2>CP-M3>CP-M3-plN2, respectively...
June 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28544514/dynamic-enhancer-function-in-the-chromatin-context
#9
REVIEW
Ido Goldstein, Gordon L Hager
Enhancers serve as critical regulatory elements in higher eukaryotic cells. The characterization of enhancer function has evolved primarily from genome-wide methodologies, including chromatin immunoprecipitation (ChIP-seq), DNase-I hypersensitivity (DNase-seq), digital genomic footprinting (DGF), and the chromosome conformation capture techniques (3C, 4C, and Hi-C). These population-based assays average signals across millions of cells and lead to enhancer models characterized by static and sequential binding...
May 22, 2017: Wiley Interdisciplinary Reviews. Systems Biology and Medicine
https://www.readbyqxmd.com/read/28534267/simulation-of-the-hydraulic-performance-of-highway-filter-drains-through-laboratory-models-and-stormwater-management-tools
#10
Luis A Sañudo-Fontaneda, Daniel Jato-Espino, Craig Lashford, Stephen J Coupe
Road drainage is one of the most relevant assets in transport infrastructure due to its inherent influence on traffic management and road safety. Highway filter drains (HFDs), also known as "French Drains", are the main drainage system currently in use in the UK, throughout 7000 km of its strategic road network. Despite being a widespread technique across the whole country, little research has been completed on their design considerations and their subsequent impact on their hydraulic performance, representing a gap in the field...
May 23, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28529399/modeling-high-school-timetabling-with-bitvectors
#11
Emir Demirović, Nysret Musliu
High school timetabling (HSTT) is a well known and wide spread problem. The problem consists of coordinating resources (e.g. teachers, rooms), times, and events (e.g. lectures) with respect to various constraints. Unfortunately, HSTT is hard to solve and just finding a feasible solution for simple variants of HSTT has been proven to be NP-complete. We propose a new modeling approach for HSTT using bitvectors in which constraint costs of the general HSTT can be calculated using bit operations. This model allows efficient computation of constraint costs making it useful when implementing HSTT algorithms...
2017: Annals of Operations Research
https://www.readbyqxmd.com/read/28521180/predictive-factors-for-reporting-adverse-events-following-spinal-manipulation-in-randomized-clinical-trials-secondary-analysis-of-a-systematic-review
#12
REVIEW
Lindsay M Gorrell, Benjamin Brown, Reidar P Lystad, Roger M Engel
While spinal manipulative therapy (SMT) is recommended for the treatment of spinal disorders, concerns exist about adverse events associated with the intervention. Adequate reporting of adverse events in clinical trials would allow for more accurate estimations of incidence statistics through meta-analysis. However, it is not currently known if there are factors influencing adverse events reporting following SMT in randomized clinical trials (RCTs). Thus our objective was to investigate predictive factors for the reporting of adverse events in published RCTs involving SMT...
May 11, 2017: Musculoskeletal Science & Practice
https://www.readbyqxmd.com/read/28505161/effect-on-healthcare-utilization-and-costs-of-spinal-manual-therapy-for-acute-low-back-pain-in-routine-care-a-propensity-score-matched-cohort-study
#13
Jochen Walker, Ulf Kai Mertens, Carsten Oliver Schmidt, Jean-François Chenot
Spinal manual therapy (SMT) is a popular treatment option for low back pain (LBP). The aim of our analysis was to evaluate the effects of manual therapy delivered by general practitioners and ambulatory orthopedic surgeons in routine care on follow up consultations, sick leave, health service utilization and costs for acute LBP compared to matched patients not receiving manual therapy. This is a propensity score matched cohort study based on health claims data. We identified a total of 113.652 adult patients with acute LBP and no coded red flags of whom 21...
2017: PloS One
https://www.readbyqxmd.com/read/28501782/combination-of-the-electro-fe-3-peroxydisulfate-pds-process-with-activated-sludge-culture-for-the-degradation-of-sulfamethazine
#14
Amina Ledjeri, Idris Yahiaoui, Hakima Kadji, Farida Aissani-Benissad, Abdeltif Amrane, Florence Fourcade
In this paper, the major factors affecting the degradation and the mineralization of sulfamethazine by Electro/Fe(3+)/peroxydisulfate (PDS) process (e.g. current density, PDS concentration, Fe(3+) ions concentration and initial sulfamethazine (SMT) concentration) were evaluated. The relevance of this process as a pretreatment prior to activated sludge culture was also examined. Regarding the impact on SMT degradation and mineralization, the obtained results showed that they were significantly enhanced by increasing the current density and the PDS concentrations in the ranges 1-40mAcm(-2) and from 1 to 10mM respectively; while they were negatively impacted by an increase of the initial SMT concentration and the Fe(3+) concentration, from 0...
May 1, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28469356/submucosal-tunneling-endoscopic-resection-of-upper-gastrointestinal-tract-tumors-arising-from-muscularis-propria
#15
REVIEW
Deepanshu Jain, Aakash Desai, Ejaz Mahmood, Shashideep Singhal
The management of incidentally discovered small upper gastrointestinal (GI) tract submucosal tumors (SMT) remains debatable. In this review, we summarize the evolving experience with submucosal tunneling endoscopic resection (STER) of upper GI SMTs originating from the muscularis propria. From 16 original studies, we reviewed a total of 703 patients with 736 lesions. Of these, 436 were located in the esophagus, 146 in the esophagogastric junction (EGJ) and 154 in the stomach. The composite complete resection rate (CRR) for STER of upper GI tumors arising from the muscularis propria layer was 99...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28454005/competitive-sorption-affinity-of-sulfonamides-and-chloramphenicol-antibiotics-toward-functionalized-biochar-for-water-and-wastewater-treatment
#16
Mohammad Boshir Ahmed, John L Zhou, Huu Hao Ngo, Wenshan Guo, Md Abu Hasan Johir, Dalel Belhaj
Competitive sorption of sulfamethazine (SMT), sulfamethoxazole (SMX), sulfathiazole (STZ) and chloramphenicol (CP) toward functionalized biochar (fBC) was highly pH dependent with maximum sorption at pH ∼4.0-4.25. Equilibrium data were well represented by the Langmuir and Freundlich models in the order STZ>SMX>CP>SMT. Kinetics data were slightly better fitted by the pseudo second-order model than pseudo first-order and intra-particle-diffusion models. Maximum sorptive interactions occurred at pH 4...
August 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28441166/minimally-invasive-organ-preserving-surgery-for-large-submucosal-tumors-in-the-abdominal-esophagus
#17
Eiji Kanehira, Takashi Tanida, Aya Kamei, Kodai Takahashi
BACKGROUND: Surgical resection of submucosal tumors (SMTs) in the abdominal esophagus is not standardized. Enucleation may be a minimally invasive option, whereas its oncological validity is not very clear. Moreover, how to treat the esophageal wall defect after enucleation and necessity of additional antireflux procedure are also undetermined. METHODS: In 13 patients with a SMT originating the abdominal esophagus laparoscopic enucleation was performed with preserving the integrity of submucosa...
June 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/28430671/elevated-production-of-nociceptive-cc-chemokines-and-se-selectin-in-patients-with-low-back-pain-and-the-effects-of-spinal-manipulation-a-non-randomized-clinical-trial
#18
Julita A Teodorczyk-Injeyan, Marion McGregor, John J Triano, H Stephen Injeyan
BACKGROUND: The involvement of inflammatory components in the pathophysiology of low back pain is poorly understood. It has been suggested that spinal manipulative therapy (SMT) may exert anti-inflammatory effects. PURPOSE: To determine the involvement of inflammation-associated chemokines (CC series) in the pathogenesis of non-specific low back pain and to evaluate the effect of SMT on that process. METHODS: Patients presenting with non-radicular, non-specific low back pain (minimum pain score 3 on 10 point visual analogue scale, VAS) were recruited according to stringent inclusion criteria...
April 19, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28422396/a-simplified-multivisceral-transplantation-procedure-for-patients-with-combined-end-stage-liver-disease-and-type-2-diabetes-mellitus
#19
Xiao-Shun He, Shun-Jun Fu, Qiang Zhao, Xiao-Feng Zhu, Dong-Ping Wang, Ming Han, Wei-Qiang Ju, Yi Ma, Jiao Xing-Yuan, Xiao-Peng Yuan, An-Bin Hu, Zhi-Yong Guo
In liver transplant patients with type 2 diabetes mellitus (DM), the disease worsens after transplantation because of long-term use of diabetogenic immunosuppressive drugs, making management of those patients a great challenge. The objective of our study was to evaluate the safety and efficacy of a simplified multivisceral transplantation (SMT) procedure for the treatment of patients with end-stage liver disease and concurrent type 2 DM. Forty-four patients who had pretransplant type 2 DM were included. Twenty-three patients received SMT and 21 patients received orthotopic liver transplantation (OLT)...
April 19, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28422238/3d-single-molecule-tracking-enables-direct-hybridization-kinetics-measurement-in-solution
#20
Cong Liu, Judy M Obliosca, Yen-Liang Liu, Yu-An Chen, Ning Jiang, Hsin-Chih Yeh
Single-molecule measurements of DNA hybridization kinetics are mostly performed on a surface or inside a trap. Here we demonstrate a time-resolved, 3D single-molecule tracking (3D-SMT) method that allows us to follow a freely diffusing ssDNA molecule in solution for hundreds of milliseconds or even seconds and observe multiple annealing and melting events taking place on the same molecule. This is achieved by combining confocal-feedback 3D-SMT with time-domain fluorescence lifetime measurement, where fluorescence lifetime serves as the indicator of hybridization...
May 4, 2017: Nanoscale
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