The enzyme-linked immunosorbent assay (ELISA) is a sensitive method to quantify or test for the presence of antigen or ligand ... or luminescent product for detection.
The sensitivity of ELISA assays for dopamine and noradrenaline ... Cantor, C.R. Immuno-PCR: very sensitive antigen detection by means of specific antibody-DNA conjugates. Science 258, 120 ...