نتایج جستجو برای: plasma cvd

تعداد نتایج: 369460  

Journal: :Plasma Sources Science and Technology 2022

Abstract The growth rate of diamond by chemical vapor deposition (CVD) from microwave (MW) plasma activated CH 4 /H 2 gas mixtures can be significantly enhanced adding trace quantities N to the process mixture. Reasons for this increase remain unclear. present article reports new, self-consistent two-dimensional modeling MW and /CH plasmas operating at pressures powers relevant contemporary CVD...

2015
Reece J. Goiffon Sara C. Martinez David Piwnica-Worms

Myeloperoxidase (MPO) is a circulating cardiovascular disease (CVD) biomarker used to estimate clinical risk and patient prognosis. Current enzyme-linked immunosorbent assays (ELISA) for MPO concentration are costly and time-intensive. Here we report a novel bioluminescence assay, designated MPO activity on a polymer surface (MAPS), for measuring MPO activity in human plasma samples using the b...

2008
Yamini S. Levitzky Michael J. Pencina James B. Meigs Joanne M. Murabito Ramachandran S. Vasan

Methods Framingham offspring participants free of CVD, categorized by the 1997 ADA IFG definition (fasting plasma glucose 110 to 125 mg/dl; 6.1 to 6.9 mmol/l) or the 2003 definition (100 to 125 mg/dl; 5.6 to 6.9 mmol/l), were followed from 1983 to 2004. Pooled logistic regression was used to calculate multivariable-adjusted odds ratios (ORs) for incident coronary heart disease (CHD; 291 events)...

Journal: :The British journal of nutrition 2013
Paul J Nestel Natalie Mellett Suzana Pally Gerard Wong Chris K Barlow Kevin Croft Trevor A Mori Peter J Meikle

The association between consumption of full-fat dairy foods and CVD may depend partly on the nature of products and may not apply to low-fat dairy foods. Increased circulating levels of inflammatory biomarkers after consumption of dairy product-rich meals suggest an association with CVD. In the present study, we tested the effects of low-fat and full-fat dairy diets on biomarkers associated wit...

Journal: :The Proceedings of the Nutrition Society 2015
Catherine M Fry Thomas A B Sanders

This review summarises evidence for an association between vitamin D status and CVD and the mechanisms involved. Vitamin D3 is predominantly provided by the action of UVB from sunlight on skin. Average UK diets supply 2-3 μg/d vitamin D but diets containing at least one portion of oily fish per week supply about 7 μg/d. Pharmacological doses of vitamin D2 (bolus injection of 7500 μg or intakes ...

2013
Charlotte N Armah Maria H Traka Jack R Dainty Marianne Defernez Astrid Janssens Wing Leung Joanne F Doleman John F Potter Richard F Mithen

BACKGROUND Observational and experimental studies suggest that diets rich in cruciferous vegetables and glucosinolates may reduce the risk of cancer and cardiovascular disease (CVD). OBJECTIVE We tested the hypothesis that a 12-wk dietary intervention with high-glucoraphanin (HG) broccoli would modify biomarkers of CVD risk and plasma metabolite profiles to a greater extent than interventions...

2011
Hong Wang Nawar M. Shara Elisa T. Lee Richard Devereux Darren Calhoun Giovanni de Simone Jason G. Umans Barbara V. Howard

OBJECTIVE We compared A1C and fasting plasma glucose (FPG) in predicting cardiovascular disease (CVD) in a population with widespread obesity and diabetes. RESEARCH DESIGN AND METHODS A total of 4,549 American Indian adults underwent the Strong Heart Study (SHS) baseline examination (1989-1991). Data from 3,850 individuals (60% women) with baseline measurements of FPG and A1C and no prevalent...

2009
N. Woehrl S. Reuter V. Buck

In this work NCD films were deposited in a MW-CVD plasma chamber from an Ar/ H2/CH4 plasma and the signals of the C2 dimer in the plasma were analyzed with optical emission spectroscopy (OES) during deposition. By controlling the process parameters the intensity of the C2 emission line was systematically varied and a correlation of plasma parameters with film properties was found in an empirica...

Journal: :Oxford open materials science 2023

Abstract Two-dimensional (2D) materials have emerged as a promising class of with unique physical and chemical properties that offer exciting prospects for various applications. Among all the synthesis methods, vapor deposition (CVD) techniques demonstrated great advantages in large-scale production 2D controlled thickness. One main challenges growth is need high temperatures crystalline substr...

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