Human Nerve growth factor (NGF) ELISA Kit employs a two-site sandwich ELISA to quantitate NGF in samples. An antibody specific for NGF has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and any NGF present is bound by the immobilized antibody. After removing any unbound substances, HRP-Conjugate Human NGF 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 NGF bound in the initial step. The color development is stopped and the intensity of the color is measured.
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