Principle of Assay
Horse GDF8/Myostatin ELISA Kit (A303375) employs the sandwich enzyme immunoassay technique for the quantitative measurement of horse GDF8/Myostatin in serum, plasma, tissue homogenates, and other biological fluids. An antibody specific for GDF8/Myostatin has been pre-coated onto a 96-well microtiter plate. The standards and test samples are added into the wells and the GDF8/Myostatin present in each sample is bound to the wells by the immobilized antibody. Following incubation, the wells are washed and then incubated with Biotinylated Anti-GDF8/Myostatin Antibody, which binds the captured GDF8/Myostatin present in each well. Following incubation, unbound biotinylated detection antibody is removed by washing, and an HRP-Streptavidin conjugate is added to the wells and the microtiter plate is incubated. Following incubation and washing, TMB substrate solution is then used to visualize the HRP enzymatic reaction by catalysis to produce a blue-coloured product that changes to yellow after addition of acidic stop solution. The density of yellow is proportional to the amount of GDF8/Myostatin captured in each well. The concentration of GDF8/Myostatin can then be calculated by reading the O.D. absorbance at 450nm in a microplate reader and referring to the standard curve.