Competitive ELISA Principle

Competitive ELISA - Principle, Protocol, Applications Competitive ELISA, also known as the blocking ELISA or inhibition ELISA, is a complex technique used to measure the concentration of an antigen or antibody in a sample by detecting interference in an expected signal output. It is a variation of the standard ELISA assay and can be adapted from various assay types, including direct, indirect, and sandwich ELISA formats.