Human Vitamin B12 ELISA Kit

Product name:Human Vitamin B12 ELISA Kit

Product description:The Kit is a solidoid sandwich assay enzyme-linked immunosorbent assay (ELISA). A known  concentration of standard, unknown concentration of sample by adding micro-ELISA-plate for  testing. First incubated it, and biotin-marked antibodies at the same time. After washing,  adding the avidin HRP-marked. After another incubation and washing to remove uncombined enzyme  combo, and then adding substrate A, B, and enzyme combo acted simultaneously. Produce color. The  depth of color and the concentration of samples was proportional relationship.