نتایج جستجو برای: تکنیک الایزا enzyme linked immunosorbent assay
تعداد نتایج: 650483 فیلتر نتایج به سال:
materials and methods in this descriptive study, 2988 stool samples of patients with acute gastroenteritis were collected from children’s hospitals of 5 main cities of iran. the samples were sent in frozen condition to pediatric infection research center in tehran and stored at -70°c. elisa test was performed for detection of rotavirus antigens. the mean age of study population was 1 to 5 years...
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: 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...
b ackground : tuberculosis is a crucial health problem. establishing a rapid, reliable and still inexpensive diagnostic method for tuberculosis seems to be substantial in developing countries where tb has very high incidence rate . methods: an indirect enzyme-linked immunosorbent assay (elisa ) was established to detect serum antibodies against mycobacterium tuberculosis. three kinds of...
conclusions afm1 contamination of milk is not a concern in this city. however, dairy cattle feed samples of various livestocks must be regularly checked for aflatoxin and the storage conditions of feeds should be strictly controlled. results afm1 was detected in all milk samples. the mean concentration of afm1 was 11.61 ± 0.72 ng/l with a range of 6.3-23.3 ng/l. none of the samples had levels e...
background: timely diagnosis of leptospirosis is essential for early and effective treatment, for there are many differential diagnoses for it.. leptospiral researchers have an increasing interest in developing new serological methods with recombinant antigens to improve the leptospirosis diagnosis. several serological tests have been developed for the proper diagnosis of leptospirosis. objecti...
objectives: leptin is a hormone-like protein produced by the adipose tissue. it plays an important role in protection of host against inflammation and infection. some studies have reported changes in leptin levels in the gingival crevicular fluid (gcf), saliva and blood serum of patients with periodontal disease compared to healthy individuals. the aim of the present study was to compare the sa...
امروزه مطالعات پیرامون بیماری های قلبی و عروقی نسبت به گذشته دیدگاه متفاوتی پیدا کرده وفاکتور های ژنتیکی وملکولی ، بیش از پیش مورد توجه قرار گرفته اند. اگرچه ریسک فاکتورهای متعددی نظیر: سن، جنسیت، سابقه خانوادگی، فشارخون، هیپرلیپیدمی، مصرف سیگار و ابتلاء به بیماری دیابت در بروز آترواسکلروزیس و بیماری عروق کرونری coronary artery disease (cad) نقش مهمی دارند، امّا نقش عوامل ژنتیکی در پاتوژنز این ق...
ویروس پیچیدگی زرد برگ گوجه فرنگی (tomato yellow leaf curl virus, tylcv)از جمله بیمارگرهای مخرب گوجه فرنگی است و باعث خسارت اقتصادی در سراسر جهان می شود. به دلیل تنوع و گستردگی این بیمارگر در ایران ردیابی ویروس برای کنترل آن ضروری است. از آنجائیکه روش الایزا (elisa) enzyme-linked immunosorbent assay روشی مناسب برای تشخیص ویروسها در سطوح وسیع است آماده سازی آنتی ژن مورد نیاز برای فرآیند تولید آنت...
background while hepatitis e virus (hev) mostly causes self-limited disease in general population, it is more severe in pregnant women. objectives this study aimed to investigate the seroprevalence of anti-hev igg among a population of pregnant women in west azerbaijan of . patients and methods one hundred thirty six pregnant women referred to urban health centers of urmia for pursuing pregnanc...
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