ENZYME-LINKED IMMUNOSORBENT ASSAY

[enzyme-linked immunosorbent assay] n (1977): a quantitative in vitro test for an antibody or antigen in which the test material is adsorbed on a surface and exposed to a complex of an enzyme linked to an antibody specific for the substance being tested for with a positive result indicated by a treatment yielding a color in proportion to the amount of antigen or antibody in the test material--called also ELISA