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https://www.readbyqxmd.com/read/28738638/mixed-matrix-membranes-incorporated-with-ln-mof-for-selective-and-sensitive-detection-of-nitrofuran-antibiotics-based-on-inner-filter-effect
#1
Feng Zhang, Hua Yao, Yifan Zhao, Xing Li, Gaowei Zhang, Yangyi Yang
The detection of antibiotics is critical and challenging due to the pervasive use of antibiotics had inevitably brought some negative impacts on ecosystem and human health. Herein, we reported an anti-interfere ability enhanced luminescent sensor of lanthanide metal-organic framework (Ln-MOF) filled mixed matrix membranes (MMMs), which combining the processibility of poly(methyl methacrylate) (PMMA) polymer with Ln-MOF of {[Tb2(AIP)2(H2O)10]·(AIP)·4H2O}n (Tb-AIP, where AIP is 5-aminoisophthalate) fillers...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738615/electrochemical-magneto-immunosensor-based-on-endogenous-%C3%AE-galactosidase-enzyme-to-determine-enterotoxicogenic-escherichia-coli-f4-k88-in-swine-feces-using-square-wave-voltammetry
#2
Lorena Viviana Tarditto, María Alicia Zon, Hugo García Ovando, Nelio Roberto Vettorazzi, Fernando Javier Arévalo, Héctor Fernández
Diseases caused by enterotoxicogenic Escherichia coli F4 (K88) (ETEC F4) are a problem in swine production establishments. Due to the high rate of mortality and morbidity of E. coli infections, a rapid and accurate diagnosis is important in order to choose an appropriate treatment to reduce the economic impact. Therefore, an electrochemical magneto-immunosensor (EMI) was developed to detect and quantify ETEC F4 in swine feces samples through a direct non-competitive immunoassay. ETEC F4 was selectively captured by immunomagnetic separation...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738600/quantification-of-intercellular-adhesion-forces-measured-by-fluid-force-microscopy
#3
Noa Cohen, Saheli Sarkar, Evangelia Hondroulis, Pooja Sabhachandani, Tania Konry
The mechanics of cancer cell adhesion to its neighboring cells, homotypic or heterotypic, have significant impact on tumor progression and metastasis. Intercellular adhesion has been quantified previously using atomic force microscopy-based methods. Here we show the feasibility of the recently developed fluidic force microscopy (FluidFM) to measure adhesive forces exerted by breast cancer cells. Multiple cell pairs were assessed at precisely controlled, increasing contact durations by pressure-dependent immobilization of a cell at the probe tip...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738595/compound-specific-%C3%AE-13-c-and-%C3%AE-2-h-analysis-of-olive-oil-fatty-acids
#4
Mauro Paolini, Luana Bontempo, Federica Camin
Fatty acids are the most abundant biomolecules in olive oil. In this study, we describe the analytical method developed to measure the δ(13)C, and for the first time, the δ(2)H values of fatty acid methyl esters (FAMEs) extracted from olive oil triglycerides, after base-catalysed transesterification with methanol. The extracted FAMEs are analysed using Gas Chromatography Combustion/Pyrolysis Isotope Ratio Mass Spectrometry (GC-C/Py-IRMS). The method made it possible to obtain baseline separation between the peaks of the main FAMEs (C16, C18, C18:1, C18:2)...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738536/effect-of-apigenin-kaempferol-and-resveratrol-on-the-gene-expression-and-protein-secretion-of-tumor-necrosis-factor-alpha-tnf-%C3%AE-and-interleukin-10-il-10-in-raw-264-7-macrophages
#5
Marta Palacz-Wrobel, Paulina Borkowska, Monika Paul-Samojedny, Malgorzata Kowalczyk, Anna Fila-Danilow, Renata Suchanek-Raif, Jan Kowalski
Polyphenols such as apigenin, kaempferol or resveratrol are typically found in plants, including fruits, vegetables, herbs and spices, which have a wide range of biological functions such as antioxidative, anti-inflammatory, vasodilative, anticoagulative and proapoptotic. Discovering such multifunctional compounds in widely consumed plant-based products - ones that both inhibit the release of TNF-α from tissue macrophages and at the same time enhance the secretion of IL-10 - would be an important signpost in the quest for effective pharmacological treatment of numerous diseases that have an inflammatory etiology...
July 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738517/modelling-long-term-impacts-of-changes-in-climate-nitrogen-deposition-and-ozone-exposure-on-carbon-sequestration-of-european-forest-ecosystems
#6
Wim de Vries, Maximilian Posch, David Simpson, Gert Jan Reinds
We modelled the effects of past and expected future changes in climate (temperature, precipitation), CO2 concentration, nitrogen deposition (N) and ozone (O3) exposure (phytotoxic ozone dose, POD) on carbon (C) sequestration by European forest ecosystems for the period 1900-2050. Tree C sequestration was assessed by using empirical response functions, while soil C sequestration was simulated with the process-based model VSD, combined with the RothC model. We evaluated two empirical growth responses to N deposition (linear and non-linear) and two O3 exposure relationships (linear function with total biomass or net annual increment)...
July 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28738514/unraveling-the-impact-of-nanoscale-zero-valent-iron-on-the-nitrogen-removal-performance-and-microbial-community-of-anammox-sludge
#7
Zheng-Zhe Zhang, Jia-Jia Xu, Zhi-Jian Shi, Yu-Hui Bai, Ya-Fei Cheng, Hai-Yan Hu, Ren-Cun Jin
Given the increasing use of nanoscale zero-valent iron (NZVI) particles for environmental remediation and wastewater treatment, their potential impact on anaerobic ammonium oxidation (anammox) bacteria was investigated in this study using anammox sludge. Batch assays showed that NZVI concentrations up to 200mgL(-1) did not affect anammox activity, reactive oxygen species production, and cell membrane integrity. The nitrogen removal efficiency of the continuous-flow reactor fluctuated in the presence of 20 or 50mgL(-1) NZVI, but it could return to normal over time, even at 200mgL(-1) NZVI...
July 11, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28738485/-impact-and-clinical-outcome-of-intra-aortic-balloon-pump-use-during-percutaneous-coronary-intervention
#8
J J Xu, Z Gao, Y Song, Y L Ma, X F Tang, Y Yao, C He, H H Wang, Y J Yang, R L Gao, S B Qiao, B Xu, J Q Yuan
Objective: To observe the impact and clinical outcome of intra-aortic balloon pump(IABP) use in patients underwent percutaneous coronary intervention (PCI). Methods: From January 2013 to December 2013, 10 724 consecutive patients undergoing PCI were enrolled.After 2 years' follow-up, the incidence of major adverse cardiovascular and cerebrovascular events such as death, myocardial infarction, stent thrombosis, revascularization, recurrent stroke were recorded, propensity score was used to match baseline data, and the clinical outcomes in patients with IABP and non-IABP were compared...
July 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28738483/-outcome-analysis-of-patients-undergoing-percutaneous-coronary-intervention-with-or-without-prior-coronary-artery-bypass-grafting-operation
#9
Y Song, J J Xu, X F Tang, H H Wang, R Liu, P Jiang, L Jiang, L J Gao, Y Zhang, L Song, L J Xu, X Y Zhao, Z Gao, J Chen, R L Gao, S B Qiao, Y J Yang, B Xu, J Q Yuan
Objective: To investigate the impact of previous coronary artery bypass grafting(CABG) on long-term outcomes in patients undergoing percutaneous coronary intervention(PCI). Methods: A total of 10 724 consecutive coronary heart disease patients undergoing PCI between January and December 2013 in Fuwai hospital were prospectively included in this research. According to CABG history, the patients were divided into CABG group(437 cases) and without CABG group(10 287 cases). The patients were followed up for 2 years...
July 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28738456/-cost-effectiveness-of-community-based-treatment-of-chronic-hepatitis-b-in-china
#10
S X Zhang, P C Yang, Y L Cai, Y Lin, Y H Zou
Objective: Since eliminating hepatitis B in China would need considerable public health resources, the economics problem of the strategy of community-based antiviral treatment for chronic hepatitis B (CHB) has become an important issue. The cost-effectiveness and affordability of the strategy were evaluated in this study. Methods: According to the advocacy on eliminating hepatitis B by WHO and the comprehensive protocol of community based prevention of major infectious diseases and the guideline for CHB prevention and treatment in China, the decision analytic Markov model was constructed with the parameters from national surveys or Meta-analysis...
July 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28738455/-cost-effectiveness-and-affordability-of-strategy-for-preventing-mother-to-child-transmission-of-hepatitis-b-in-china
#11
Y Lin, S X Zhang, P C Yang, Y L Cai, Y H Zou
Objective: To evaluate the cost effectiveness of nationwide prevention of mother to child transmission (PMTCT) strategy for hepatitis B, and estimate the willing to pay and budget impacts on the PMTCT. Methods: The decision analytic Markov model for the PMTCT was constructed and a birth cohort of Chinese infants born in 2013 was used to calculate the cost-effectiveness of the PMTCT among them compared with those receiving no intervention. The parameters in the model were obtained from literatures of national surveys or Meta-analysis...
July 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28738414/impact-of-amyotrophic-lateral-sclerosis-on-slow-tonic-myofiber-composition-in-human-extraocular-muscles
#12
Anton E Tjust, Adam Danielsson, Peter M Andersen, Thomas Brännström, Fatima Pedrosa Domellöf
Purpose: To analyze the proportion and cross-sectional area of myofibers containing myosin heavy chain slow-twitch (MyHCI) and myosin heavy chain slow tonic (MyHCsto) in extraocular muscles of autopsied amyotrophic lateral sclerosis (ALS) patients with either spinal or bulbar site of disease onset. Methods: Whole-muscle cross sections from the middle portion of the medial rectus were labeled with antibodies against MyHCI or MyHCsto and laminin. Myofibers labeled with the MyHC antibodies (MyHCI+sto) and the total number of myofibers were quantified in the orbital and global layer of 6 control individuals and 18 ALS patients...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28738399/use-of-smartphones-for-clinical-and-medical-education
#13
Jazmine Valle, Tyler Godby, David P Paul, Harlan Smith, Alberto Coustasse
Smartphone use in clinical settings and in medical education has been on the rise, benefiting both health care and health care providers. Studies have shown, however, that some health care facilities and providers are reluctant to switch to smartphones due to the threat of mixing personal apps with clinical care applications and the possibility that distraction created by smartphone use could lead to medication errors and errors linked to procedures, treatments, or tests. The purpose of this research was to examine the effects of smartphones in a clinical setting and for medical education, to determine their overall impact...
July 2017: Health Care Manager
https://www.readbyqxmd.com/read/28738398/the-compatibility-of-chlorhexidine-and-a-skin-care-product-line-a-real-world-analysis-of-hospital-acquired-infection-rates
#14
Priscilla L Phillips, Daniel Young, Debashish Chakravarthy
Chlorhexidine gluconate (CHG) use helps reduce hospital-acquired infections (HAIs). Chlorhexidine gluconate effectiveness can be reduced by use of skin care products. Although laboratory work can be performed to prove compatibility, such work has limitations. The purpose of this study was to compare HAI rates when CHG antiseptic wipes were used in conjunction with a silicone- and micronutrient-based skin care product line (SMSP) and when CHG wipes were used without the SMSP. Using commercial distribution data, 17 hospitals that purchased both CHG wipes and SMSP were identified...
July 2017: Health Care Manager
https://www.readbyqxmd.com/read/28738383/hydralazine-is-a-suitable-mimetic-agent-of-hypoxia-to-study-the-impact-of-hypoxic-stress-on-in-vitro-blood-brain-barrier-model
#15
Morgane Chatard, Clémentine Puech, Nathalie Perek, Frédéric Roche
BACKGROUND/AIMS: Understanding cellular mechanisms induced by hypoxia is fundamental to reduce blood-brain barrier (BBB) disruption. Nevertheless, the investigation of hypoxia on cellular pathways is complex with true hypoxia because HIF-1α has a short lifetime and rapidly reverts back to a normoxic state. To overcome this difficulty, mimetic agents of the hypoxia pathway have been developed, including the gold standard CoCl2. In this study, we proposed to compare CoCl2 and hydralazine in order to determine a suitable mimetic agent of hypoxia for the study on the BBB...
July 24, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28738376/evaluation-of-the-impact-of-cognitive-training-on-quality-of-life-in-patients-with-multiple-sclerosis
#16
Maria Grazia Grasso, Marco Broccoli, Paolo Casillo, Sheila Catani, Luca Pace, Alessandra Pompa, Francesco Rizzi, Elio Troisi
OBJECTIVE: The aim of this study was to evaluate the effectiveness of cognitive rehabilitation in a group of multiple sclerosis (MS) patients. METHODS: Thirty-four patients were included in this study and randomly allocated either to treatment with multidisciplinary rehabilitation plus cognitive training or to treatment with multidisciplinary rehabilitation alone. RESULTS: After 3 months of cognitive treatment, the patients assigned to the rehabilitation plus cognitive training group displayed an improvement in the cognitive test of executive function and a marked improvement in quality of life (QoL)...
July 24, 2017: European Neurology
https://www.readbyqxmd.com/read/28738355/impact-of-renin-angiotensin-aldosterone-system-inhibition-on-serum-potassium-levels-among-peritoneal-dialysis-patients
#17
Silvia Carreira Ribeiro, Ana Elizabeth Figueiredo, Pasqual Barretti, Roberto Pecoits-Filho, Thyago Proença de Moraes
BACKGROUND: The chronic use of angiotensin-converting enzyme inhibitors or angiotensin II receptor blocker has been associated with hyperkalemia in patients with reduced renal function even after the initiation of hemodialysis. Whether such medications may cause a similar effect in peritoneal dialysis patients is not well established. So, the aim of our study was to analyze the impact of renin-angiotensin-aldosterone inhibitors on the serum levels of potassium in a national cohort of peritoneal dialysis patients...
July 22, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28738350/unilateral-sensorineural-hearing-loss-medical-context-and-etiology
#18
Antoine Paul, Sandrine Marlin, Marine Parodi, Isabelle Rouillon, Joanne Guerlain, Véronique Pingault, Vincent Couloigner, Erea Noel Garabedian, Françoise Denoyelle, Natalie Loundon
OBJECTIVE: Unilateral sensorineural hearing loss (USNHL) is known to impact on school performance and social skills during childhood, but the etiologies remain unclear. The aim of this study was to assess various etiologies and to study the clinical contexts in this population. METHODS: The study is a retrospective review. Characteristics of hearing loss (HL), audiometric parameters, imaging, and genetic and medical contexts were analyzed. RESULTS: Eighty children were included...
July 22, 2017: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/28738342/a-succinct-history-of-sleep-medicine
#19
Leh-Kiong Anne Huon, Christian Guilleminault
Although sleep and sleep disorders have been studied for centuries, it was the development of sophisticated tools to monitor eye movements, brain waves, and muscle tone in the mid-20th century that led to modern sleep research. These tools allowed neuroscientists to distinguish between different "states" or "phases" of sleep, and to relate these findings to sleep disorders. This review chronicles the groundbreaking work of the pioneers in this field, and the impact their findings have had on patients today.
2017: Advances in Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28738331/future-perspectives-in-sleep-medicine
#20
Leh-Kiong Anne Huon, Christian Guilleminault
"Sleep Medicine" is now a specialty in its own right. Currently, there is increasing recognition of the very negative impact sleep disorders have on learning, education, safety, and quality of life. Technological advances will help us to break down diagnoses (e.g., narcolepsy has now been subdivided into types 1 and 2, depending upon the hypocretin levels in the spinal fluid) and to discover relationships to other bodily systems (e.g., type 1 narcolepsy potentially being an autoimmune disorder). The modern lifestyle of many, as characterized by a shortening of sleep periods, shift work, jet lag, and the need to be constantly available, means that advances in sleep medicine may result in a major understanding of more balanced "work-rest lifestyle" modifications...
2017: Advances in Oto-rhino-laryngology
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