نتایج جستجو برای: biological cell
تعداد نتایج: 2040690 فیلتر نتایج به سال:
historically, biomarkers have been used in two major ways to maintain and improve better health status: first, for diagnostic purposes, and second, as specific targets to treat various diseases. a new era in treatment and even cure for the some diseases using reprograming of somatic cells is about to be born. in this approach, scientists are successfully taking human skin cells (previously co...
context clinical and experimental studies have suggested a link between s100 gene expression and neoplastic disorders, however, the molecular mechanisms of this association are not well understood. the aim of this review was to conduct a comprehensive literature search in order to understand the possible underlying molecular mechanisms of this association. we also discuss their application as...
conclusions it was demonstrated that the presence of del6q21 in b-cll patients indicates poor prognosis and on the contrary, presence of del17p13 points at the good prognostic value of the disease. results deletion of 17p13 was found in 11 (16.6%) and deletion 6q21 was present in 5 (7.5%). statistical analyses were performed to investigate the correlation of these molecular-cytogenetic findings...
Introdution: A careful study of the physical and biological properties of helium ion radiation on the various cell lines is essential for the treatment planning. In this study, the biological response of several different cell lines has been investigated in 4He ions. Methods: Physical dose profiles and Linear Energy Transfer (LET) calculations were performed using the Monte Carlo Geant4 code. ...
contact mechanics is related to the deformation study of solids that meet each other at one or more points. the physical and mathematical formulation of the problem is established upon the mechanics of materials and continuum mechanics and focuses on computations involving bodies with different characteristics in static or dynamic contact. contact mechanics gives essential information for the s...
تحقیقات مختلف اثبات نموده اند که رشد و محتوای بیوشیمیایی روتیفرها می تواند تحت تاثیر نوع غذا و غلظت مواد غذایی تغییر نماید. ریز جلبک ها به عنوان یکی از منابع غذایی مهم برای کشت روتیفرها به ویژه از لحاظ شاخص های نظیر رشد، بقا، میزان پروتئین، چربی و اسیدهای چرب، ضروری می باشند. لذا تحقیق حاضر جهت مقایسه جلبک خشک (کلرلای پودری) و جلبک های تازه (ایزوکرایسیس گالبانا و نانوکلروپسیس آکولاتا) بر رشد، ت...
Bioceramic scaffolds such as silicate bioceramics have been widely used for bone tissue engineering. However, their high degradation rate, low mechanical strength and surface instability are main challenges compromising their bioactivity and cytocompatibility which further negatively affect the cell growth and attachment. In this study, we have investigated the effects of silk fibroin coating o...
Background and Objectives: Several studies have been carried out on the use of cell lines in researches, production and processing of drugs and biological products, and on the identification of toxicity and efficacy.The present study was conducted to determine the characteristics of BHK-21 cell lines as a suitable substrate for use in vaccine production and quality control, viral culture and re...
cell banking is long –term storing of cell stocks that requires intensive care and maintenance to ensure its adequate quality. the main goal of a biological bank is preparing a repository source of cell culture system in a global manner. on the other hand, cell culture is an invaluable tool for investigators in numerous fields. successful maintenance of cells requires knowledge and practice of ...
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