نتایج جستجو برای: آسپاراژیناز ιι

تعداد نتایج: 184  

F. Khazali H. Aghaie K. Zare M. Mirzaie M.R. Zardoost

Using UV-Vis spectrophotometric method the interaction of water soluble phthalocyanine, Cobalt(ΙΙ) 4,4′,4′′,4′′′- tetrasulfophthalocyanine(CoTSPc), with bovine serum albumin (BSA) to determine the formation constant and related thermodynamic functions. The measurements were considered in 1mM sodium phosphate buffer, pH 7.0 and at 5 different temperatures 20, 25, 30, 35 and 40ºC. The results sho...

ژورنال: دنیای میکروب ها 2017

سابقه و هدف: آﻧﺰﻳﻢ ال-آﺳﭙﺎراژﻳﻨﺎز به ﻋﻨﻮان ﻳﻜﻲ از ﺑﻬﺘﺮﻳﻦ داروﻫﺎی ﺿﺪ ﺳﺮﻃﺎن ﺧﻮن ﺷﻨﺎﺧﺘﻪ ﺷده است. ﺑﺎ ﺗﻮﺟـﻪ ﺑـﻪ اﻳﻦ ﻛﻪ آﺳﭙﺎراژﻳﻨﺎزﻫﺎی داروﺋﻲ موجود، از ﻣﻨﺎﺑﻊ ﺑﺎﻛﺘﺮﻳـﺎﻳﻲ ﻣـﻲﺑﺎﺷـﻨﺪ، ﻫـﺪف از اﻳـﻦ پژوهش ﻳـﺎﻓﺘﻦ ﺑـﺎﻛﺘﺮی ﻫـﺎی ﺗﻮﻟﻴـﺪ ﻛﻨﻨـﺪه این آنزیم از نمونه‌ های طبیعی می باشد. ﻣﻮاد و روشﻫﺎ: سویه های باکتریایی مولد ال-آسپارا...

آنزیم‌های آمیدوهیدرولاز نقش بسیار مؤثری در حفظ محیط‌زیست و کشاورزی پایدار دارند. زیرا در واکنش‌های بیوشیمیایی مانند تجزیه مواد آلی، چرخه عناصر غذایی و تجزیه آلاینده‌ها نقش مهمی دارند. بنابراین حفظ فعالیت و پایداری آنزیم‌ها در خاک از اهمیت ویژه‌ای برخوردار است. بدین منظور به بررسی افزودن رس مونت موریلونیت و رس آلی بر فعالیت و پایداری این آنزیم‌ها در خاک پرداخته شد. در این مطالعه رس آلی از اصلاح ...

Journal: :international journal of reproductive biomedicine 0
ashraf kazemi fatemeh ramezanzadeh mohammad hosein nasr-esfahani ali akbar saboor yaraghi mehdi ahmadi

background: fat-rich diet may alter oocyte development and maturation and embryonic development by inducing oxidative stress (os) in follicular environment. objective: to investigate the relationship between fat intake and oxidative stress with oocyte competence and embryo quality. materials and methods: in observational study follicular fluid was collected from 236 women undergoing assisted re...

2017
Bin Wu Jie Lin Jian Luo Dong Han Miaomiao Fan Tao Guo Ling Tao Ming Yuan Fu Yi

Diabetic cardiomyopathy (DCM) is an important cause of heart failure in diabetic patients. The present study sought to explore the potential effects of dihydromyricetin (DHM) on DCM and its possible mechanism. A diabetic model was induced by intraperitoneal injection of streptozotocin (STZ) in C57BL/6J mice. Two weeks after the STZ injection, mice were randomly allocated into the following 4 gr...

2015
Mohammadreza Mahzounieh Mohammadreza Ghorani Ali Karimi Batoul Pourgheysari Razieh Nikoozad

BACKGROUND Human T-cell lymphotropic virus types Ι and ΙΙ (HTLV-Ι and HTLV-II) are deltaretroviruses which may cause leukemia, lymphoma and HTLV-associated myelopathy/tropical spastic paraparesis (HAM/TSP). In addition, HTLV-1 may be related to thalassemia and hemophilia cases after blood transfusion. OBJECTIVES The aim of this study was evaluation of the prevalence of HTLVs in patients with ...

2017
H. Wang X.B. Shan Y.J. Qiao

This study was undertaken to clarify the role and mechanism of pyruvate dehydrogenase kinase isoform 2 (PDK2) in chondrogenic differentiation of mesenchymal stem cells (MSCs). MSCs were isolated from femurs and tibias of Sprague-Dawley rats, weighing 300-400 g (5 females and 5 males). Overexpression and knockdown of PDK2 were transfected into MSCs and then cell viability, adhesion and migration...

2002
Maria Vartiainen Pekka Lappalainen Olli Carpen

....................................................................................................8 INTRODUCTION .............................................................................................9 1. THE CYTOSKELETON ..................................................................................9 2. ACTIN..............................................................................

2014
Ashraf Kazemi Fatemeh Ramezanzadeh Mohammad Hosein Nasr-Esfahani

BACKGROUND High dietary fat consumption may alter oocyte development and embryonic development. This prospective study was conducted to determine the relation between dietary fat consumption level, its food sources and the assisted reproduction parameters. METHODS A prospective study was conducted on 240 infertile women. In assisted reproduction treatment cycle, fat consumption and major food...

2014
Fatma Asheibi Alison J.E. Qualtrough Anthony Mellor Philip J. Withers Tristan Lowe Henry Moseley Mohammad M. Hammad

The aim of this study was to compare the volume of voids in a resin-based root canal filling (Resilon) with gutta percha using either cold lateral condensation or continuous wave of compaction filling techniques using computed X-ray micro-tomography (micro-CT). A total of 56 extracted upper anterior human teeth were decoronated, the canals shaped using rotary ProTaper files to a final size of F...

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