نتایج جستجو برای: cr

تعداد نتایج: 45657  

2015
Pojul Loying Janvie Manhas Sudip Sen Biplab Bose

Cripto-1 (CR-1) is involved in various processes in embryonic development and cancer. Multiple pathways regulate CR-1 expression. Our present work demonstrates a possible positive feedback circuit where CR-1 induces its own expression. Using U-87 MG cells treated with exogenous CR-1, we show that such induction involves ALK4/SMAD2/3 pathway. Stochasticity in gene expression gives rise to hetero...

2015
Raynold V Yin Olivia J Phung

AIMS Chromium (Cr) is a trace element involved in glucose homeostasis. We aim to evaluate and quantify the effects of Cr supplementation on A1C and FPG in patients with T2DM. MATERIALS AND METHODS A systematic literature search of Pubmed, EMBASE and the Cochrane Library (from database inception to 11/2014) with no language restrictions sought RCTs or cohort studies evaluating Cr supplementati...

2016
Takashi Ueda Shin-ichiro Miura Kanta Fujimi Toshihisa Ishida Takuro Matsuda Masaomi Fujita Yoshiyuki Ura Kouji Kaino Maya Sakamoto Tomoe Horita Tadaaki Arimura Yuhei Shiga Takashi Kuwano Ken Kitajima Keijiro Saku

Cardiac rehabilitation (CR) improves cardiac function and exercise capacity in patients with cardiovascular disease (CVD). Simpler techniques are needed for use by physicians in the examination room to assess the usefulness of CR. We enrolled 46 consecutive CVD patients in a CR program (CR group) and prospectively followed them for 3 months. We compared them to 18 age-, gender- and body mass in...

2018
Hyo Won Im Sora Baek Sungju Jee Jung-Min Ahn Myung Woo Park Won-Seok Kim

Objective To investigate factors associated with enrollment and participation in cardiac rehabilitation (CR) in Korea. Methods Patients admitted to four university hospitals with acute coronary syndrome between June 2014 and May 2016 were enrolled. The Cardiac Rehabilitation Barriers Scale (CRBS) made of 21-item questionnaire and divided in four subdomains was administered during admission. C...

Journal: :Mayo Clinic proceedings 2017
Marta Supervía Jose R Medina-Inojosa Colin Yeung Francisco Lopez-Jimenez Ray W Squires Carmen M Pérez-Terzic LaPrincess C Brewer Shawn E Leth Randal J Thomas

Cardiac rehabilitation (CR) services improve various clinical outcomes in patients with cardiovascular disease, but such services are underutilized, particularly in women. The aim of this study was to identify evidence-based barriers and solutions for CR participation in women. A literature search was carried out using PubMed, EMBASE, Cochrane, OVID/Medline, and CINAHL to identify studies that ...

2011
Dorothy L. Parker Pirmin Borer Rizlan Bernier-Latmani

Chromium is a contaminant of concern that is found in drinking water in its soluble, hexavalent form [Cr(VI)] and that is known to be toxic to eukaryotes and prokaryotes. Trivalent chromium [Cr(III)] is thought to be largely harmless due to its low solubility and inability to enter cells. Previous work has suggested that Cr(III) may also be toxic to microorganisms but the mechanism remained elu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم 1390

دی بنز (b،f)(1،4) اکسازپین یک عامل اشک آورناتوان کننده و یک واسطه در سنتز لوکسازپین(داروی ضد جنون)، اموکساپین(داروی ضد افسردگی) می باشد. مشتقات دیگر آن نیز به عنوان مسکن و یا درمان انواع بیماری ها مفید هستند. دو روش متفاوت و با استفاده از مواد اولیه مختلف برای تهیه دی بنز (b،f)(1،4) اکسازپین (cr) وجود دارد. تفاوت این دو روش در تقدم و یا تاخر واکنش های ایمیناسیون یا اتریفیکاسیون در مرحله اول می ...

2012
Siew-Leng Loo

The objectives of this study are to evaluate the efficiency of removal of hexavalent chromium (Cr(VI)) in a sequencing batch reactor (SBR) and to ascertain the fate of Cr(VI) in the treatment process. An SBR was operated with the FILL, REACT, SETTLE, DRAW and IDLE periods in the time ratio of 2:12:2:1.5:6.5 for a cycle time of 24 h. The study was divided into 5 phases with the addition of 0.5, ...

Journal: :Environmental Health Perspectives 1998
A H Stern J A Fagliano J E Savrin N C Freeman P J Lioy

Several previous studies of exposure to chromium waste in New Jersey have shown that Cr levels are elevated in household dust in homes adjacent to waste sites and that Cr levels in the urine of residents near sites are also elevated compared to control populations. It has not been possible until now, however, to examine these external and internal measures of exposure together in a large popula...

Journal: :The Astrophysical journal. Supplement series 2017
J E Lawler C Sneden G Nave E A Den Hartog N Emrahođlu J J Cowan

New emission branching fraction (BF) measurements for 183 lines of the second spectrum of chromium (Cr II) and new radiative lifetime measurements from laser-induced fluorescence for 8 levels of Cr+ are reported. The goals of this study are to improve transition probability measurements in Cr II and reconcile solar and stellar Cr abundance values based on Cr I and Cr II lines. Eighteen spectra ...

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