نتایج جستجو برای: آنزیم β

تعداد نتایج: 188965  

A Bahrampour H Najafipour M Aram-Ahmaddi

Background & Aim: Diabetes is one of the chronic diseases with no curative treatment; also, it is the most common cause of amputation, blindness and chronic renal failure and the most important risk factor of heart diseases. Logistic regression is one of the statistical analysis models for predicting that can be used to find out the relationship between dependent and predictor independent varia...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه ملی مهندسی ژنتیک وزیست فناوری 1390

در سال 2008 محققین تونسی اثر signal peptides مختلف را در بیان و ترشح آنزیم پلولاناز کلون شده ازgeobacillus thermoleovarnse در e.coli ارزیابی کردند و موفق به ترشح آنزیم کلون شده توسط سیگنال پپتید آلفا آمیلاز باکتری bacillus stearothermophilus شدند (4) t.kuriki و همکارانش در سال 1990 موفق به کلون کردن و تعیین توالی آنزیم پلولاناز باکتری bacillus stearothermophilus شدند که آنزیم ترموفیل تولید شده...

ژورنال: :دوفصلنامه علمی پژوهشی تربیت اسلامی 2014
زهرا شعبانی

هدف این پژوهش تعیین مدل نوعدوستی خیِّرین و کشف روابط مشترک براساس تحلیل مسیر است. جامعه آماری آن تمام خیرین مدرسه ساز هستند که با روش نمونه گیری خوشه ای چند مرحله ای و براساس تعداد متغیرها و نمونه (15×22) و جدول کرجسی و مورگان، از میان آن ها 370 نفر به عنوان نمونه انتخاب شدند. برای اندازه گیری عوامل روان شناختی، اجتماعی و فرهنگی از سیزده آزمون شامل آزمون شخصیتی نئو، خوش بینی، خودکارآمدی عمومی، با...

Journal: :Sleep 2022

Abstract Introduction Circadian factors may contribute to sleep difficulties among chronic insomnia disorder (CID) patients who do not otherwise meet full criteria for a circadian rhythm sleep-wake disorder, particularly delayed and advanced phase disorders. Current nosology suggests that using preference measures can provide important diagnostic information aid in differential diagnosis. Howev...

Journal: :iranian journal of pediatric hematology and oncology 0
sima montazare lotfe elahi azam sadat hashemi shahid sadoughi university of medical sciences and health services, yazd, iran seid mostafa behjati department of pediatrics, hematology, oncology and genetics research center, shahid sadoughi university of medical scienسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید صدوقی یزد (shahid sadooghi university of medical sciences) farideh zaolfaghari department of pediatrics, shahid sadoughi university of medical sciences and health services, yazd, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید صدوقی یزد (shahid sadooghi university of medical sciences) atefeh dehghani hematology, oncology and genetics research center, shahid sadoughi university of medical sciences and health services, y mahvash akhavane ghalibaf hematology, oncology and genetics research center, shahid sadoughi university of medical sciences and health services, yسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید صدوقی یزد (shahid sadooghi university of medical sciences)

abstract objective cardiac dysfunction is a major cause of death in patients with beta thalassemia. in these patients, repeated blood transfusion, ineffective erythropoiesis and increased gastrointestinal iron absorption lead to iron overload in the body and this induced heart failure. left ventricular ejection fraction was measured in major beta thalassemia (β-th) patients to detect the relati...

Journal: :iranian journal of pathology 2006
m.hossein ghaini t ghazanfari n fallah

objective: helicobacter pylori has a well-established role in the development of gastric cancer. in vitro studies reveal increased proliferation of the gastric mucosa in the presence of h. pylori infection. it has been also shown that production of some cytokines, such as interleukin-1 beta (il-1b) is increased in h. pylori infection. in addition, il-1b increases proliferation of gastric epithe...

Journal: :Materials 2023

Natural kaolinite was subjected to a successful exfoliation process into separated nanosheets (KNs), followed by hybridization with β-cyclodextrin biopolymer (β-CD), forming an advanced bio-nanocomposite (β-CD/KNs). The synthetic products were evaluated as enhanced delivery structures for oxaliplatin chemotherapy (OXAPN). of KNs β-CD polymer notably the loading capacity 355.3 mg/g (β-CD/KNs) co...

Journal: : 2022

Chi Weigela, thuộc họ Kim ngân (Caprifoliaceae) có vùng phân bố rộng trên thế giới, với hơn 200 loài đã được lai tạo phục vụ cho mục đích làm cảnh và dùng thuốc. W. florida “Jean’s Gold” là cây dạng bụi, trồng tại châu Âu do màu sắc hoa đẹp dễ phát triển. Từ cao chiết ethanol của phần rễ Florida Gold”, bằng các phương pháp ký khác nhau, kết hợp phổ hiện đại, nghiên cứu lập xác định cấu trúc 2 c...

Journal: :journal of agricultural science and technology 2014
m. sedaghati h. ezzatpanah m. mashhadi akbar boojar m. tajabadi ebrahimi

the presence of antibacterial activity in bovine β-lactoglobulin and in α-lactalbumin hydrolysates was investigated. the plasmin-digest of β-lactoglobulin (pdβ) and of α-lactalbumin (pdα) were fractionated, using reversed phase high performance liquid chromatography. the antibacterial activity of β-lactoglobulin, α-lactalbumin, nisin, plasmin, pdβ and pdα were in vitro tested against pathogenic...

Journal: :iranian journal of blood and cancer 0
sultan sadia irfan syed mohammad kaker jamal uddin zeeshan rozina kidwai asim

background: β-thalassemia is an autosomal hemoglobinopathy with inconsistent universal distribution. among patients with thalassemia diverse non-siderotic complications distinctly influence the attribute of life, including zinc deficiency due to varied etiologies. the objective of the present study was to determine zinc levels in patients with β-thalassemia major and its correlation with matern...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید