نتایج جستجو برای: reverse dot blot
تعداد نتایج: 176482 فیلتر نتایج به سال:
حذف ناخالصی های سلول میزبان، مرحله بحرانی در تولید فرآورده های بیولوژیک است. یکی از ناخالصی هایی که باید در مرحله خالص سازی پاکسازی شود باقی مانده dnaای است که از سلول میزبان باقی میماند. یکی از پرمصرف ترین رده های سلولی برای تولید این نوع از فرآورده ها سلول های تخمدان همستر چینی(cho) است که ممکن است مقداری از dna این سلول ها در فرآورده باقی مانده و باعث بروز مشکلات در مصرف کننده شود.علاوه بر ...
We examined stool samples from travelers for secretory immunoglobulin A (sIgA) to enteroaggregative Escherichia coli (EAEC) during episodes of acute diarrhea. Ten paired samples from 10 patients with diarrhea caused by EAEC were examined for the presence of specific sIgA by dot blot and Western blot immunoassays. Five samples were positive by dot blotting, and two samples were positive by Weste...
BACKGROUND Coeliac disease is one of the commonest underdiagnosed diseases in general practice. The autoantigen recognised by the sera of patients with coeliac disease has recently been identified as tissue transglutaminase. AIMS We evaluated a simple non-invasive immunological dot blot assay for coeliac disease, suitable for use by the general physician in the ambulatory setting. The sensiti...
Detection of low concentrations of viruses in shellfish is possible with nucleic acid amplification by PCR. Hepatitis A virus (HAV) has been detected in oyster meat by reverse transcription-PCR (RT-PCR). We developed a method to identify HAV RNA by RT-PCR of total RNA extracted from oyster meat contaminated by adsorption, bioaccumulation, or injection. With dot blot hybridization detection of a...
Amino acid substitutions in platelet membrane glycoproteins result in alloantigens. Identifying these polymorphisms is important in alloimmune-mediated platelet disorders. Immunophenotyping platelet antigens can be limited by the unavailability of specific antisera. The goal of this work was to identify human platelet antigen genotypes in individuals using a technique that would circumvent the ...
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