نتایج جستجو برای: تکنیک tlc
تعداد نتایج: 32600 فیلتر نتایج به سال:
s and the ICI Web of Science from November 1, 1999 to November 1, 2001. The literature search was augmented by consulting Analytical Abstracts, and the following journals publishing papers on TLC were searched directly: Journal of Chromatography (parts A and B and the bibliography issues), Journal of Chromatographic Science, Chromatographia, Analytical Chemistry, Journal of Liquid Chromatograph...
BACKGROUND AND OBJECTIVE Exercise capacity decline is a predictor of mortality in patients with chronic obstructive pulmonary disease (COPD). Static pulmonary hyperinflation is a key determinant of exercise performance, but its effect on the longitudinal decline in exercise capacity remains unknown. We aimed to study the relationship between the inspiratory capacity-to-total lung capacity (IC/T...
BACKGROUND National Cholesterol Education Program Adult Treatment Panel III guidelines recommend therapeutic lifestyle changes (TLC) and drug therapy to reduce cardiovascular disease (CVD) risk. These guidelines have been revised recently (ATP III-R); however, the risk of CVD mortality within each intervention window and the effects of cardiorespiratory fitness (CRF) and metabolic syndrome on C...
OBJECTIVE To project the HIV/AIDS epidemics among men who have sex with men (MSM) under different combinations of HIV testing and linkage to care (TLC) interventions including antiretroviral therapy (ART) in Beijing, China. DESIGN Mathematical modeling. METHODS Using a mathematical model to fit prevalence estimates from 2000-2010, we projected trends in HIV prevalence and incidence during 2...
OBJECTIVE To compare TLC and RV values obtained by the single-breath helium dilution (SBHD) method with those obtained by whole-body plethysmography (WBP) in patients with normal lung function, patients with obstructive lung disease (OLD), and patients with restrictive lung disease (RLD), varying in severity, and to devise equations to estimate the SBHD results. METHODS This was a retrospecti...
در این پروژه به منظور خالص سازی ترکیبات تری ترپن (مشتقات بوسولیک اسید) گیاه کندر، صمغ آن آسیاب گردید و عصاره گیری صمغ پودر شده با حلال متانول صورت گرفت. پس از حذف متانول و خشک کردن عصاره توسط نور آفتاب، عملیات استخراج تری ترپنی آن با حل کردن پودر در 2% koh انجام شد. به محلول koh دار، اتیل استات اضافه کرده و فاز koh دار را جدا می کنیم. به فاز koh دار جداشده، 2% hcl اضافه کرده و دو مرتبه اتیل است...
Functional residual capacity (FRC), residual volume (RV), vital capacity (VC), and total lung capacity (TLC) were measured in 162 men aged 18.9 to 78.6 years using a multiple breath helium dilution technique. Multiple regression equations were generated to predict these lung parameters from the best weighted combination (p less than or equal to 0.05) of age, mass, standing height, body surface ...
ANTHONISEN, NICHOLAS R. Changes in shunt JEozv, compliance, and volume of lungs during upneic oxygenation. Am. J. Physiol. 207 ( > I : 239-24 I. I g6+-Open-chested denitrogenated cats were studied during so-min periods of apneic oxygenation. Two lung volumes were selected, one about 25y0 of total lung capacity (TLC), and the other one about 55y0 of TLC. Serial measurements were made during apne...
To develop a chitosan-based nonviral gene carrier capable of delivering genes specifically into hepatoma cells, a bifunctional peptide composed of the TAT (transactivator of transcription) peptide and luteinizing hormone-releasing hormone (LHRH) was conjugated with low molecular weight chitosan, resulting in a TAT-LHRH-chitosan conjugate (TLC). TLC/DNA nanoparticles (TLCDNPs) were characterized...
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