The Peroxisomal bifunctional enzyme (ECHD) FlexPlex™ Module is used to determine the quantity of ECHD (Peroxisomal bifunctional enzyme) in a sample. ECHD is immunocaptured within the wells. The quantity of protein is measured by adding a second ECHD specific antibody that is then labeled with horseradish peroxidase. This peroxidase changes the substrate from colorless to blue. The rate of color development is proportional to the amount of protein captured in the well and can be monitored at 600 nm. Alternatively, the assay can be terminated, at a user defined time, by the addition of 1N HCl (not supplied) and the assay performed as an end point measurement at 450 nm.

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