This Human Secreted frizzled-related protein 5 (SFRP5) ELISA Kit employs a two-site sandwich ELISA to quantitate SFRP5 in samples. An antibody specific for SFRP5 has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and anySFRP5 present is bound by the immobilized antibody. After removing any unbound substances, a biotin-conjugated antibody specific for SFRP5 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 SFRP5 bound in the initial step. The color development is stopped and the intensity of the color is measured.
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