نتایج جستجو برای: super oxide radical
تعداد نتایج: 312267 فیلتر نتایج به سال:
trichomoniasis, the most widespread sexually transmitted disease is caused by trichomonas vaginalis. this parasite is site specific for the genitourinary tract and recruitment of macrophages as well as polymorphonuclear nutrophils (pmn) to the site of infection is the first line of defense as a component of non-specific resistance and immunity. in this study, balb/c mice were infected with 10 i...
Indian Ber contain good source of ascorbic acid and total phenolics. Despite being rich in antioxidants it is an underutilized fruit. Effect of processing on antioxidant activity of ber fruit was studied. Antioxidant activity of ber fruit was evaluated by different methods viz. DPPH radical activity, reducing power assay, superoxide anion radical activity, TBARS, total phenolic content and tota...
In order to evaluate salinity stress effects on differential expression of metallothionein gene, chlorophyll content, TBARM and some agronomic traits in wheat, the experiment has been carried out using split factorial format based on RCBD design with 4 replications in 2008-09. The main factor included three developmental stages (tillering, stem elongation, heading) and sub factors included fact...
Article history: Received on: 27/07/2014 Revised on: 08/08/2014 Accepted on: 24/08/2014 Available online: 27/09/2014 The plant Hyptis is an effective medicinal herb and a well known medicinal plant in herbal world. The present study was aimed to investigate the α-amylase inhibition and antioxidant activities of chloroform fraction of H. suaveolens. Chloroform fraction of H. suaveolens was scree...
Background and Objective: Utilization of plants as antioxidants in food processing has a potential for substitution of synthetic antioxidants. In the present work, some unexplored biological activities of Thymus daenensis, commercial thyme essential oils and thymol were comparatively studied. Materials and Methods: Ferrous ion chelating was assessed by spectrophotometry by mixing the essential ...
PURPOSE The aim of present in vitro studies was performed to examine the antioxidant and anticancer activities of ethanol and aqueous extracts of Drosera indica L. METHODS Different concentrations (5 - 640mcg/ml) of the ethanol (EEDI) and aqueous (AEDI) extracts of D.indica L were used in various antioxidant assay methods such as hydroxyl radicals, DPPH, super oxide radical scavenging activit...
abstract anthocyanins are natural pigments widely spread in nature. anthocyanin color molecules are a subclass of flavonoids. they are responsible for red, purple, and blue colors of many flowers, fruits and vegetables. fruits and berries are sample sources of anthocyanins in nature. in many researches, the positive effects of fruits and berries intake on human health have been reported. anth...
OBJECTIVE To evaluate the free radical generation and antioxidant enzymes status in murine peritoneal macrophage during in vitro amikacin resistant Pseudomonas aeruginosa (ARPA) treatment with different time interval. METHODS Peritoneal macrophages were treated with 1×10(8) CFU/mL ARPA cell suspension in vitro for different time interval (1, 2, 3, 6, 12, and 24 h) and super oxide anion genera...
اکسیدهای پلی وینیل پیریدین poly (vinylpyridine n-oxide) قبلا" ساخته و مورد مطالعه قرار گرفته اند. مطالعات انجام شده نشان دهنده فعال بودن این نوع بیوپلی مرها در مقابل بیماری (silicosis) بوده است . در این کار تحقیقی برای پیشبرد مطالعات در زمینه بیوپلی مرهای جدید ضد (silicosis)، poly (2-vinylpyrazine) و اکسید آن (poly (2-vinyloyrazine n-oxide)) طی چندین مرحله واکنش ساخته و مطالعه شده است . همچنین ...
sulfur mustard (sm) has been identified as an important chemical weapon. during the iran-iraq war of 1980-88, the extensive usage of sm against iranian civilians and military forces was proven. this agent has been shown to cause severe damage mainly in the skin, eyes, lungs, and respiratory tract in iranian veterans. the most common disease is bronchiolitis obliterans (bo)). sm incre...
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