This Human Ras-related protein Rab-3B (RAB3B) ELISA Kit employs a two-site sandwich ELISA to quantitate RAB3B in samples. An antibody specific for RAB3B has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and anyRAB3B present is bound by the immobilized antibody. After removing any unbound substances, a biotin-conjugated antibody specific for RAB3B is added to the wells. After washing, Streptavidin conjugated Horseradish Peroxidase (HRP) is added to the wells. Following a wash to remove any unbound avidin-enzyme reagent, a substrate solution is added to the wells and color develops in proportion to the amount of RAB3B bound in the initial step. The color development is stopped and the intensity of the color is measured.
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