particle immunoassay

https://doi.org/10.1351/goldbook.13537
Immunoassay in which antibody is bound to the surface of microspheres. After incubation with the antigen-containing biological fluid, and subsequent manipulation, detection is usually performed by flow cytometry.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1225 [Terms] [Paper]