Abstract
A simple and fast method for obtaining biotin-labeled monoclonal antibodies was developed usingcontent of hybridoma culture supernatant sufficient to select antibody pairs in sandwich ELISA. The method consists in chemical biotinylation of antigen-bound antibodies in a well of ELISA plate. Using as an example target Vaccinia virus A27L protein it was shown that the yield of biotinylated reactant is enough to set comprehensive sandwich ELISA for a moderate size panel of up to 25 monoclonal antibodies with an aim to determine candidate pairs. The technique is a cheap and effective solution since it avoids obtaining preparative amounts of antibodies.
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