نتایج جستجو برای: blotting
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Southern blotting is one of the central techniques in molecular biology. First devised by E.M. Southern (1975), Southern blotting results in transfer of DNA molecules, usually restriction fragments, from an electrophoresis gel to a nitrocellulose or nylon sheet (referred to as a ‘membrane’), in such a way that the DNA banding pattern present in the gel is reproduced on the membrane. During tran...
Although immunoassays are the de facto standard for determining subcellular protein localization in individual cells, antibody probe cross-reactivity and fixation artifacts remain confounding factors. To enhance selectivity while providing single-cell resolution, we introduce a subcellular western blotting technique capable of separately assaying proteins in the 14 pL cytoplasm and 2 pL nucleus...
We have developed a modified Southwestern blotting technique which utilizes broad-spectrum protease inhibitors during nuclear protein extraction and a procedure for radiolabelling an oligonucleotide probe to a high specific activity. These modifications have resulted in minimal protein degradation during nuclear protein isolation and have permitted room temperature hybridizations, improving bot...
Western blotting is an analytical technique used to detect specific proteins in a given sample of tissue homogenate or extract. It uses gel electrophoresis to separate native or denatured proteins by the length of the polypeptide (denaturing conditions) or by the 3-D structure of the protein (native/ non-denaturing conditions). The proteins are then transferred to a membrane (typically nitrocel...
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