نتایج جستجو برای: pa
تعداد نتایج: 39342 فیلتر نتایج به سال:
سابقه و هدف: آنتی ژن ایمنی بخش باسیلوس آنتراسیس پروتئینی با خاصیت اتصال به گیرنده های سطح تمام سلول های بدن انسان می باشد. در سطح سلول های سرطانی گیرنده اختصاصی فعال کننده یوروکینازی پلاسمینوژن (uPA) ایجاد می شود که در سطح سایر سلول های نرمال بدن مشاهده نمی شوند. هدف از انجام این تحقیق تغییر جایگاه اتصال موجود بر روی PA با جهش زایی مستقیم می باشد به نحوی که این پروتئین فقط بتواند به ...
Introduction: Stroke causes death and disability in patients throughout the world. At present, the only FDA- approved drug for ischemic stroke is recombinant tissue plasminogen activator (rt- PA). Unfortunately, rtPA can cause intracerebral hemorrhage and must use within limited time window (within 3-4.5 hour after onset of stroke). Ultrasound with rtPA loaded liposomes (rtPA_L...
Background & Aims: Age-related macular degeneration (ARMD) is one of the common retina disorders that can lead to loss of vision by increase in age. In this study, the efficacy of a non-invasive ultrasound technique for the evaluation of alastic properties of eye in the diagnosis of ARMD has been evaluated. Methods: For estimation of the elastic modulus of eye, spatial loading system designed a...
سابقه و هدف: آنتیژن ایمنیبخش(PA) (Protective antigen) Bacillus anthracis بهعنوان واکسن سیاه زخم مورد استفاده قرار میگیرد. کلون و بیان ژن PA در سویههای مختلف گزارش شده است که بیشترین بیان، در B. subtilis تا μg/ml 160 بوده است. هدف از این تحقیق کلون کردن ژن PA در ناقل بیانکننده pWB980 و انتقال آن به B. subtilis سویه WB600 میباشد. مواد و روشها: در این مطالعه پلاسمید pXO1 از...
Abstract Objective: To investigate the anesthesia-postoperative awakening time (AT) of hepatitis- related cirrhosis patients and their relations to grading scores, portal venous pressure (PVP), prealbumin (PA), and age, to predict postoperative AT and provide a basis for adjustment of anesthetic doses during operation. Methods: Atotal of 71 patients with hepatic cirrhosis and hypersplenism at ...
Background: Menopause is the termination of a womanchr('39')s menstrual cycle for a year. In this condition, women’s health status declines due to hormonal changes and aging. Physical Activity (PA) is among the best available alternatives for managing menopause-related symptoms without any adverse effects. This study aimed to assess the relationship between PA and symptoms, such as fatigue, dep...
background: nutritional health and adequate physical activity (pa), especially in childhood and grow periods, have a substantial role in health. this study assessed the association of dietary behaviors (main courses and snacks intake) with pa in children and adolescents. materials and methods: using multistage random cluster sampling method, a representative sample of 14,880 school students wer...
Introduction Radiation exposures from diagnostic medical examinations are generally low and are almost always justified by the benefits of accurate diagnosis of possible disease conditions. Therefore, entrance skin dose (ESD), body organ dose (BOD), and effective dose (ED) from adult patients undergoing routine thorax posterior-anterior (PA) and thorax right lateral (RLAT) were estimated in Uni...
This study examined the effects of a protein rich diet on coping neurotransmitter levels in orally administered ampicillin–induced neurotoxic rats compared with propionic acid (PA) models of autism. 40 young male western albino rats were divided into four groups. The first group served as control and received phosphate buffered saline orally; the second group serving as autistic model was...
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