Enzyme immunoassay

An enzyme immunoassay is any of several immunoassay methods that use an enzyme bound to an antigen or antibody. These may include:


 * Enzyme-linked immunosorbent assay (ELISA)
 * Enzyme multiplied immunoassay technique (EMIT)
 * Fluorescent enzyme immunoassays (FEIAs)
 * Chemiluminescent immunoassays (CLIAs)
 * Radioimmunoassays (RIAs)