two-site immunoradiometric assay

https://doi.org/10.1351/goldbook.T06543
Immunoradiometric assay
involving two sets of
antibodies
, one of which is
labelled
, that combine with different immunoreactive sites of an
antigen
molecule.
Source:
PAC, 1994, 66, 2513. (Nomenclature for radioanalytical chemistry (IUPAC Recommendations 1994)) on page 2520 [Terms] [Paper]