نتایج جستجو برای: ldl اکسید شده
تعداد نتایج: 498899 فیلتر نتایج به سال:
Using 2-16% gradient gel electrophoresis, we examined low density lipoprotein (LDL) particle size in relation to plasma lipoproteins in 1,168 women and 1,172 men from the Framingham Offspring Study. In addition, we studied the effect of dietary intake on LDL size in a subset of the population. Seven LDL size peaks were identified, with the largest, LDL 1, being found in the density range 1.019-...
The purpose of this study was to evaluate the LipiDirect assay (L-LDL) against the Direct LDL immunoseparation method (D-LDL) and beta quantification (BQ-LDL) for measurement of LDL cholesterol (LDL-C) in patients with normo- and hypertriglyceridemia. Samples from 156 patients [triglyceride (Tg) range 0.61-9.95 g/L] were assayed for LDL-C concentrations with the three methods. An additional sev...
BACKGROUND Malondialdehyde low-density lipoprotein (MDA-LDL) is a major form of oxidized LDL and considered to be more atherogenic than LDL. Information on major determinants of MDA-LDL and their association in subjects who are not under treatment for diabetes mellitus and dyslipidemia is limited. METHODS This study included 778 Japanese subjects who were not taking medication for diabetes me...
Macrophages, unlike most other cells, possess both low density lipoprotein (LDL) and scavenger receptors. The scavenger receptor has been shown to mediate the uptake of oxidized LDL (ox-LDL), which ultimately leads to cholesterol loading of the macrophages. The present study was undertaken to define epitopes on ox-LDL that are important for lipoprotein binding to macrophages and to ascertain wh...
Despite the importance of accurate assessment for low-density lipoprotein cholesterol (LDL-C), the Friedewald formula has primarily been used as a cost-effective method to estimate LDL-C when triglycerides are less than 400 mg/dL. In a recent study, an alternative to the formula was proposed to improve estimation of LDL-C. We evaluated the performance of the novel method versus the Friedewald f...
در این تحقیق اثر تقویت کننده های مختلف، نظیر الیاف کربن، الیاف شیشه، اکسید سیلیسیم و اکسید زیرکونیوم، بر خواص سایشی، حرارتی و ریزساختاری کامپوزیت های زمینه فنولیک بررسی می شود. رزین های فنولیک به دلیل خاصیت زغال شوندگی منحصر به فردشان در دماهای بالا کاربرد ویژه ای در ساخت محافظ های حرارتی در صنایع هوافضا دارند. در این تحقیق، سه دسته نمونه با درصدها و مواد مختلف ساخته شده است. دسته اول دارای 5/3...
در این مقاله رفتار مکانیکی نانوکامپوزیت های اپوکسی تقویت شده با نانوصفحات گرافن اکسید (گرافن اکسید/ اپوکسی)، در نرخ های مختلف از کرنش، مورد مطالعه قرار گرفته است. در این راستا ابتدا گرافن اکسید به روش شیمیایی هامر با کاهش گرافیت خشک سنتز شده و در ادامه نانوکامپوزیت گرافن اکسید/ اپوکسی به روش مخلوط با حلال (استون)، ساخته شده است. از نانوکامپوزیت بدست آمده نمونه های استاندارد برای انجام آزمایش، ت...
BACKGROUND Hypertriglyceridemia is associated with decreased HDL-cholesterol (HDL-C) and increased small dense LDL. In addition, small dense LDL is known to be susceptible to oxidation. METHODS We measured LDL particle size, using gradient gel electrophoresis, and malondialdehyde-modified LDL (MDA-LDL), using an ELISA, and investigated the association between triglyceride (TG) concentrations,...
AIM Low-density lipoprotein cholesterol (LDL-C) is routinely estimated using the Friedewald equation [LDL-C(F)]. A novel method for LDL-C [LDL-C(M)] estimation recently proposed by Martin et al. was reported to be more accurate than the Friedewald formula in subjects in the United States. The validity of LDL-C(M) in different races and patients with diabetes mellitus (DM) has not been elucidate...
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