نتایج جستجو برای: مدل acd
تعداد نتایج: 121565 فیلتر نتایج به سال:
During mammalian T cell development, the requirement for expansion of many individual T cell clones, rather than merely expansion of the entire T cell population, suggests a possible role for asymmetric cell division (ACD). We show that ACD of developing T cells controls cell fate through differential inheritance of cell fate determinants Numb and α-Adaptin. ACD occurs specifically during the β...
PURPOSE To compare the precision of anterior chamber angle (ACA) and anterior chamber depth (ACD) measurements taken with ultrasound biomicroscopy (UBM) and the Artemis-2 Very High Frequency Ultrasound Scanner (VHFUS) in normal subjects. DESIGN Prospective study. METHODS We randomly selected one eye from each of 59 normal subjects in this study. Two subjects dropped out of the study; the as...
Unmanned aerial vehicles (UAVs) can provide new ways to measure forests and supplement expensive or labor-intensive inventory methods. Forest carbon, a key uncertainty in the global carbon cycle and also important for carbon conservation programs, is typically monitored using manned aircraft or extensive forest plot networks to estimate aboveground carbon density (ACD). Manned aircraft are only...
The lymphocyte proliferation assay (LPA) is a technique to determine T-lymphocyte functions in vitro. The standard LPA using peripheral blood mononuclear cells (PBMC) separated from heparinized blood requires a large blood sample, time consuming and expensive. It is more useful if acid citrate dextrose (ACD) blood could be used not only for LPA but also for other purposes. To determine whether ...
Introduction: The present study aimed to assess the effects of Ramadan fasting on micronutrients and their correlations with ocular biometry. Methods: This prospective study was conducted on 89 healthy volunteers (51 males and 38 females) with the mean of 34.98±9.10 years in Mashhad, Iran. Participants received complete ophthalmic and systemic examinations one week before and one week after the...
BACKGROUND Adventitial cystic disease (ACD) is an unusual arteriopathy; case reports and small series constitute the available literature regarding treatment. We sought to examine the presentation, contemporary management, and long-term outcomes using a multi-institutional database. METHODS Using a standardized database, 14 institutions retrospectively collected demographics, comorbidities, p...
The European Myocardial Infarct Amiodarone Trial (EMIAT) investigated the effects of amiodarone versus placebo in patients after myocardial infarction who had left ventricular ejection fraction </=40% and were </=75 years of age. The present substudy examined whether ventricular repolarization (VR) dynamicity could differentiate patients who died from cardiac death from their matched survivors ...
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