Human Proinsulin (PI) ELISA Kit employs a two-site sandwich ELISA to quantitate Proinsulin in samples. An antibody specific for Proinsulin has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and any Proinsulin present is bound by the immobilized antibody. After removing any unbound substances, HRP-Conjugate Human Proinsulin detection antibody is added to the wells. Following a wash to remove any unbound HRP reagent, a Chromogen solution is added to the wells and color develops in proportion to the amount of Proinsulin bound in the initial step. The color development is stopped and the intensity of the color is measured.
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