Fig. 6From: Construction of an HRP-streptavidin bound antigen and its application in an ELISA for porcine circovirus 2 antibodiesEffect of biotin on measurement of antibody by HBDS-ELISA. The biotin was added to a final concentration of 2.8 × 10−7 M; i.e., equimolar with SBP-Cap∆41Back to article page