Free Vitamin D Elisa

The Free 25OH Vitamin D ELISA is a competitive ELISA assay, based on patented monoclonal antibodies, that allows for the direct measurement of the free fraction of 25OH Vitamin D in serum. The assay is calibrated against a symmetric dialysis method. It shows excellent sensitivity, precision and performance characteristics, as performed according to the CLSI guidelines.

The assay is unique and exclusively available at DIAsource Immunoassays.

Assay protocol :