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https://www.readbyqxmd.com/read/28433872/biosynthesis-of-silver-nanoparticles-by-using-camellia-japonica-leaf-extract-for-the-electrocatalytic-reduction-of-nitrobenzene-and-photocatalytic-degradation-of-eosin-y
#1
R Karthik, Mani Govindasamy, Shen-Ming Chen, Yi-Hui Cheng, P Muthukrishnan, S Padmavathy, A Elangovan
In the present study, sphere-like silver nanoparticles (Ag-NPs) were synthesized by using Camellia japonica leaf extract and its remediation industrial pollutants such as nitrobenzene and Eosin-Y (EY). As-prepared sphere-like Ag-NPs were characterized by various analytical and spectroscopic methods such as UV-visible spectroscopy, X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), High-resolution transmission electron microscopy (HR-TEM), Energy dispersive X-ray spectra (EDX), and the chemical constituents of the leaf extract were also analyzed by using Gas chromatography and Mass Spectroscopy (GC-MS)...
March 28, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28433332/cardiovascular-outcomes-in-patients-with-peripheral-arterial-disease-as-an-initial-or-subsequent-manifestation-of%C3%A2-atherosclerotic-disease-results-from-a-swedish-nationwide-study
#2
Birgitta Sigvant, Pål Hasvold, Björn Kragsterman, Mårten Falkenberg, Saga Johansson, Marcus Thuresson, Joakim Nordanstig
OBJECTIVE: Long-term progression of peripheral arterial disease (PAD) as initial manifestation of atherosclerotic arterial disease is not well described. Cardiovascular (CV) risk was examined in different PAD populations diagnosed in a hospital setting in Sweden. METHODS: Data for this retrospective cohort study were retrieved by linking data on morbidity, medication use, and mortality from Swedish national registries. Primary CV outcome was a composite of myocardial infarction, ischemic stroke (IS), and CV death...
April 19, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28432897/hba1c-variability-in-type-2-diabetes-is-associated-with-the-occurrence-of-new-onset-albuminuria-within-three-years
#3
Sreemanee Raaj Dorajoo, Joceline Shi Ling Ng, Jessica Hui Fen Goh, Su Chi Lim, Chun Wei Yap, Alexandre Chan, Joyce Yu Chia Lee
AIMS: To evaluate the association between HbA1c coefficient of variation (HbA1c-CV) and 3-year new-onset albuminuria risk. METHODS: A retrospective cohort study involving 716 normoalbuminuric type 2 diabetes patients was conducted between 2010 and 2014. HbA1c-CV was used to categorize patients into low, moderate or high variability groups. Multivariate logistic models were constructed and validated. Integrated discrimination (IDI) and net reclassification (NRI) improvement indices were used to quantify the added predictive value of HbA1c-CV...
February 14, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28432895/predictive-ability-of-visit-to-visit-variability-in-hba1c-and-systolic-blood-pressure-for-the-development-of-microalbuminuria-and-retinopathy-in-people-with-type-2-diabetes
#4
Toshiko Takao, Machi Suka, Hiroyuki Yanagisawa, Yutaka Matsuyama, Yasuhiko Iwamoto
AIMS: We explored whether visit-to-visit variability in both glycated hemoglobin (HbA1c) and systolic blood pressure (SBP) simultaneously predicted the development of microalbuminuria and retinopathy, and whether the predictive ability of these measurements changed according to mean HbA1c and SBP levels in people with type 2 diabetes. METHODS: A retrospective observational cohort study was conducted on 243 type 2 diabetes patients with normoalbuminuria and 486 without retinopathy at the first visit and within 1year thereafter...
April 7, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28432726/combination-therapy-with-glp-1-receptor-agonist-and-sglt2-inhibitor
#5
REVIEW
Ralph A DeFronzo
The SGLT2 inhibitors (SGLTi) and glucagon-like-1 receptor agonists (GLP-1 RAs) effectively reduce HbA1c, but via very different mechanisms, making them an effective duet for combination therapy. Recently, drugs in both of these antidiabetic classes have been shown to reduce cardiovascular events, most likely by different mechanisms. SGLT2i appear to exert their CV protective actions by hemodynamic effects, while GLP-1 RAs work via anti-atherogenic/anti-inflammatory mechanisms, raising the possibility that combined therapy with these two classes may produce additive CV benefits...
April 22, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28432423/note-on-the-coefficient-of-variations-of-neuronal-spike-trains
#6
Johannes Lengler, Angelika Steger
It is known that many neurons in the brain show spike trains with a coefficient of variation (CV) of the interspike times of approximately 1, thus resembling the properties of Poisson spike trains. Computational studies have been able to reproduce this phenomenon. However, the underlying models were too complex to be examined analytically. In this paper, we offer a simple model that shows the same effect but is accessible to an analytic treatment. The model is a random walk model with a reflecting barrier; we give explicit formulas for the CV in the regime of excess inhibition...
April 21, 2017: Biological Cybernetics
https://www.readbyqxmd.com/read/28431669/after-the-leader-trial-and-sustain-6-how-do-we-explain-the-cardiovascular-benefits-of-some-glp-1-receptor-agonists
#7
B Vergès, B Charbonnel
Recent cardiovascular outcome trials - the LEADER with liragutide and SUSTAIN-6 with semaglutide - have shown significant reductions of major cardiovascular (CV) events with these glucagon-like peptide (GLP)-1 receptor agonists. Progressive separation of the treatment and placebo curves, starting clearly between 12 and 18 months of the trial period, and significant reductions in the risk of myocardial infarction and stroke, indicate that the beneficial CV effects observed with GLP-1 receptor agonists could be due to an antiatherogenic effect...
April 2017: Diabetes & Metabolism
https://www.readbyqxmd.com/read/28431476/a-consensus-statement-for-the-clinical-use-of-the-renal-sodium-glucose-co-transporter-2-inhibitor-dapagliflozin-in-patients-with-type-2-diabetes-mellitus
#8
A Avogaro, A Giaccari, P Fioretto, S Genovese, F Purrello, F Giorgino, S Del Prato
The present review developed a clinical consensus based on a Delphi method on Dapagliflozin, a selective inhibitor of the renal sodium-glucose co-transporter-2 (SGLT2-I) in the treatment of patients with Type 2 diabetes mellitus. Areas covered: Panel members, using a 5-point scale, were asked to rate 9 statements on pharmakodinamic, mode of action on glycaemic and extra-glycaemic effects, and safety of dapaglifozin, Members also aimed to identify the patient most susceptible to the treatment with dapagliflozin ...
April 21, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28431068/self-reported-physical-activity-and-major-adverse-events-in-patients-with-atrial-fibrillation-a-report-from-the-eurobservational-research-programme-pilot-survey-on-atrial-fibrillation-eorp-af-general-registry
#9
Marco Proietti, Giuseppe Boriani, Cécile Laroche, Igor Diemberger, Mircea I Popescu, Lars H Rasmussen, Gianfranco Sinagra, Gheorghe-Andrei Dan, Aldo P Maggioni, Luigi Tavazzi, Deirdre A Lane, Gregory Y H Lip
Aims: Physical activity is protective against cardiovascular (CV) events, both in general population and in high-risk CV cohorts. However, the relationship between physical activity with major adverse outcomes in atrial fibrillation (AF) is not well-established. Our aim was to analyse this relationship in a 'real-world' AF population. Second, we investigated the influence of physical activity on arrhythmia progression. Methods and Results: We studied all patients enrolled in the EURObservational Research Programme on AF (EORP-AF) Pilot Survey...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28430947/electrocardiographic-left-ventricular-hypertrophy-predicts-cardiovascular-morbidity-and-mortality-in-hypertensive-patients-the-allhat-study
#10
Casper N Bang, Elsayed Z Soliman, Lara M Simpson, Barry R Davis, Richard B Devereux, Peter M Okin
BACKGROUND: Electrocardiographic (ECG) left ventricular hypertrophy (LVH) is a strong predictor of cardiovascular (CV) morbidity and mortality. However, the predictive value of ECG LVH in treated hypertensive patients remains unclear. METHODS: A total of 33,357 patients (aged ≥ 55 years) with hypertension and at least 1 other coronary heart disease (CHD) risk factor were randomized to chlorthalidone, amlodipine, or lisinopril. The outcome of the present study was all-cause mortality; and secondary endpoints were CHD, nonfatal myocardial infarction (MI), stroke, angina, heart failure (HF), and peripheral arterial disease...
April 19, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28430669/low-previous-cardiovascular-risk-of-patients-with-st-elevation-myocardial-infarction
#11
Gustavo Rodrigues, Pedro de Araújo Gonçalves, Francisco Moscoso Costa, Rui Campante Teles, Dores Hélder, Luís Mariano, João Brito, Henrique Mesquita Gabriel, Manuel Almeida, Miguel Mendes
BACKGROUND: Myocardial infarction is frequently the initial form of presentation of coronary artery disease (CAD). Systemic Coronary Risk Estimation (SCORE) risk tables are used in primary prevention and provide an estimate of cardiovascular (CV) risk through known risk factors. The aim of this study was to evaluate the performance of the SCORE, calculated using data previous to the event, to estimate CV risk of a population of patients presenting with ST-elevation myocardial infarction (STEMI) as the first manifestation of CAD...
April 20, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28429831/one-step-fabrication-of-monolithic-electrodes-comprising-co9s8-particles-supported-on-cobalt-foam-for-efficient-and-durable-oxygen-evolution-reaction
#12
Dehua Xiong, Qingqing Zhang, Sitaramanjaneya Mouli Thalluri, Junyuan Xu, Wei Li, Xiuli Fu, Lifeng Liu
We report a very easy and cost-effective approach to the fabrication of monolithic Co9S8 water oxidation electrodes (Co@Co9S8), which is fabricated by one-step hydrothermal treatment of commercially available cobalt foam in the presence of thiourea. The morphology, crystal structure, microstructure, and composition of as-fabricated Co@Co9S8 electrodes are examined using scanning electron microscopy (SEM), powder X-ray diffraction (XRD), transmission electron microscope (TEM), and X-ray photoelectron spectroscopy (XPS), and their electrochemical properties are investigated by cyclic voltammetry (CV), chronopotentiometry (CP), chronoamperometry (CA), and electrochemical impedance spectroscopy (EIS)...
April 21, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28429272/electrocatalytic-dechlorination-of-2-3-5-trichlorophenol-on-palladium-carbon-nanotubes-nafion-film-titanium-mesh-electrode
#13
Zhirong Sun, Xiaoyue Ma, Xiang Hu
Palladium/carbon nanotubes-nafion film-modified titanium mesh electrode (Pd/CNTs-nafion film/Ti electrode) was prepared and used for catalytic dechlorination of 2,3,5-trichlorophenol (2,3,5-TCP). The influences of factors, such as Pd(2+) concentration, plating solution pH, and electrodeposition time and current, on the preparation of the electrode were studied by cyclic voltammetry (CV) to establish the optimal electrode preparation conditions. Additionally, the CV results highlighted that the addition of the CNTs-nafion film could enhance the electrochemical performance of the electrode...
April 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28429097/immunomodulatory-and-therapeutic-role-of-cinnamomum-verum-extracts-in-collagen-induced-arthritic-balb-c-mice
#14
Mirza Muhammad Fahd Qadir, Attya Bhatti, Muhammad Usman Ashraf, Mansur Abdullah Sandhu, Sidrah Anjum, Peter John
ETHNOPHARMACOLOGICAL RELEVANCE: Cinnamomum verum (CV), also known as 'Dalchini', is the dry bark of the Cinnamomum verum (L.) plant, and has been used as a traditional Pakistani medicine to alleviate pain and inflammation in patients suffering from arthritic rheumatism. It contains alkaloids, triterpenes, Cinnamaldehyde and other volatile oils. The aim of the present study was to investigate the underlying biological effect of ethyl alcohol (EtOH) and methyl alcohol (MeOH) extracts from CV on collagen type-II induced arthritic (CIA) mice...
April 20, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28428836/muscle-function-and-fatigability-of-trunk-flexors-in-males-and-females
#15
Rita E Deering, Jonathon W Senefeld, Tatyana Pashibin, Donald A Neumann, Sandra K Hunter
BACKGROUND: Optimal function of the abdominal muscles is necessary for several life functions including lifting and carrying tasks. Sex differences in strength and fatigability are established for many limb muscles and back extensor muscles, but it is unknown if sex differences exist for the abdominal muscles despite their functional importance. METHODS: Eighteen females (24.3 ± 4.8 years) and 15 males (24.1 ± 6.6 years) performed (1) isometric trunk flexion maximal voluntary contractions (MVCs) in a range of trunk positions to establish a torque-angle curve and (2) submaximal (50% MVC), intermittent isometric contraction (6 s on, 4 s off) until task failure to determine fatigability of the trunk flexor muscles...
2017: Biology of Sex Differences
https://www.readbyqxmd.com/read/28428803/distribution-of-mast-cells-and-locations-depths-and-sizes-of-the-putative-acupoints-cv-8-and-ki-16
#16
Sharon Jiyoon Jung, Haim Song, Yu Yeon Kim, Jungdae Kim, Sungchul Kim, Yoon-Kyu Song, Kwang-Sup Soh
The anatomical locations and sizes of acupuncture points (APs) are identified in traditional Chinese medicine by using the cun measurement method. More precise knowledge of those locations and sizes to submillimeter precision, along with their cytological characterizations, would provide significant contributions both to scientific investigations and to precise control of the practice of acupuncture. Over recent decades, researchers have come to realize that APs in the skin of rats and humans have more mast cells (MCs) than neighboring nonacupoints...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28428356/biological-variation-estimates-obtained-from-91-healthy-study-participants-for-9-enzymes-in-serum
#17
Anna Carobene, Thomas Røraas, Una Ørvim Sølvik, Marit Sverresdotter Sylte, Sverre Sandberg, Elena Guerra, Irene Marino, Niels Jonker, Gerhard Barla, William A Bartlett, Pilar Fernandez-Calle, Jorge Díaz-Garzón, Francesca Tosato, Mario Plebani, Abdurrahman Coŝkun, Mustafa Serteser, Ibrahim Unsal, Ferruccio Ceriotti
BACKGROUND: We sought to develop estimates of biological variation (BV) for 9 enzymes in blood serum as part of the European Biological Variation Study. METHODS: Ninety-one healthy study participants (38 male and 53 female, 21-69 years old) were phlebotomized in each of 10 consecutive weeks at 6 European laboratories. The same preanalytical sample-handling protocol was followed at each center before transport to San Raffaele Hospital, Milan, Italy, for analysis...
April 20, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28428141/temporal-impact-of-the-vascular-wilt-pathogen-verticillium-dahliae-on-tomato-root-proteome
#18
Katja Witzel, Anja Buhtz, Rita Grosch
The soil-borne fungus Verticillium dahliae is the causal agent of wilting disease and affects a wide range of plant species worldwide. Here, we report on the time-resolved analysis of the tomato root proteome in response to fungal colonization. Tomato (Solanum lycopersicum cv. Hildares) was inoculated with V. dahliae at the two-leaf stage and roots were harvested at 7, 14 and 21 days post inoculation (dpi). In order to identify proteins related to the fungal spread at the different time points, a subsequent proteome analysis by two-dimensional differential gel electrophoresis (2D-DIGE) was conducted on samples from three independent experiments...
April 17, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28427705/presence-of-central-veins-and-susceptibility-weighted-imaging-for-evaluating-lesions-in-multiple-sclerosis-and-leukoaraiosis
#19
Urška Lamot, Jernej Avsenik, Saša Šega, Katarina Šurlan Popovič
PURPOSE: The process of demyelination in multiple sclerosis (MS) is reflected in lesions of the central nervous system (CNS), which are found in an abundance of different diseases and are frequently radiographically indistinguishable. Our aim was to determine whether the perivenous distribution of MS lesions identified on susceptibility weighted images (SWI) could be used as a specific radiographic sign for MS, and also to determine whether the visibility of the central vein (CV) is affected by the activity of MS lesions...
April 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28427622/efficient-removal-of-crystal-violet-and-methylene-blue-from-wastewater-by-ultrasound-nanoparticles-cu-mof-in-comparison-with-mechanosynthesis-method
#20
Amir Reza Abbasi, Maryam Karimi, Kim Daasbjerg
The present investigation reports the synthesis of CuBTC (BTC=1,3,5-benzenetricarboxylate) metal-organic frameworks (MOFs) under solid-state conditions and ultrasound irradiation. Herein, we study uptake and release properties of crystal violet (CV) and methylene blue (MB) from ultrasound nano-CuBTC MOF in comparison with mechanosynthesis method (bulk structure). The ultrasound-assisted methods give a decrease in the surface area as calculated from the reduced nitrogen adsorption capability. In comparison, the uptake of guest molecules on ultrasound nano-CuBTC is remarkable and clearly exceeds that of bulk structure in the aqueous solution of guests...
July 2017: Ultrasonics Sonochemistry
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