Background/Introduction: This Quantitative Sandwich ELISA kit is only for in vitro research use only, not for drug, household, therapeutic or diagnostic applications. It is intended to be determinated HDL concentrations in Human serum, plasma and other body fluids. Using Purified Human HDL antibody to coat Microelisa Stripplate wells to make solid-phase antibody, then add HDL and HDL antibody which has been labeled with HRP to wells, then the reactants become antibody-antigen-antibody-enzyme com