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]
Citation: 'two-site immunoradiometric assay' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.T06543 RIS BibTex EndNote
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Last revised: February 24, 2014