نتایج جستجو برای: ellmans assay
تعداد نتایج: 221704 فیلتر نتایج به سال:
. در این مطالعه، احتمال شکسته شدن (فرگمنته شدن) dna طی تمایز اریتروئیدی سلول های اریترولوکمیک tf-1بررسی شد. به منظور تمایز اریتروئیدی سلول های tf-1، این سلول ها با فاکتورهایی مانند iu/ml 20 اریتروپویتین ، به همراه pg/ml 10000 gm-csf ، تیمار شدند. تکثیر سلول ها با روش سنجشmtt در سلول های کنترل و سلول های تیمار شده ارزیابی شد. همچنین سنتز هموگلوبین با روش های رنگ آمیزی بنزیدین ، الکتروفورز پروتئی...
cancer is a major global problem and is the second leading cause of mortality in the developed countries.resistance to current chemotherapeutics and high incidence of adverse effects are the two principal reasons for developing new anticancer agents. phenylacetamide derivatives can act as potential anticancer agents. synthesis and screening of 2-(4-fluorophenyl)-n-phenylacetamide derivatives in...
two capillary zone electrophoresis (cze) methods were developed in this study, one using an acidic buffer (sodium citrate ph = 2.5) and the other using a basic buffer (sodium tetraborate ph = 9.8). the two methods were compared on the basis of repeatability and reproducibility of results and the cze method developed with the basic buffer was then selected for further studies. the method was ful...
conclusions: it was concluded that the elisa is a suitable method for large scale screening of antibodies against aspergilloma. the easy techniques have shortened the required time of tests (approximately 1.30 hours for our elisa, as opposed to 2.30 hours with commercial elisa kit). this may be a substantial benefit for large numbers of samples that should be tested. materials and methods: an i...
background: the ability to sensitively detect vibrio cholera with pcr-elisa method represents a considerable advancement over alternative more time-consuming methods for detection of this pathogen. the aim of this research is to evaluate the suitability of a pcr-enzyme-linked immunosorbent assay for sensitive and rapid detection of v. cholera o1. methods: the 398-bp sequence of a gene that code...
introduction: macroprolactin is a significant cause of misdiagnosis, unnecessary investigation, and inappropriate treatment in patients with hyperprolactinemia. its frequency has not been clearly established due to technical difficulties in identifying it. most laboratories and clinicians are unaware of macroprolactin interferences in prolactin assays. materials and methods: a comprehensive lit...
breast cancer is the second main cause of death among women. the use of medicinal plants has been common in many countries since ancient times. the aim of this study was to evaluate the antioxidant and anti-proliferative potential of achillea millefolium l. the antioxidant activity of the aqueous and hydroalcoholic extracts of achillea millefolium l. leaf and flower was measured by dpph and fra...
background: nuts are one of the main consumed snacks worldwide and also have an important role among iranian's food habits. natural contamination of nuts with aflatoxin is unavoidable and causes a special challenge for nuts safety and quality. objectives: the purpose of this research was to study the aflatoxin contamination in commercially-available nuts (pistachio, walnut and peanut) in the ma...
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