immunoprecipitation

https://doi.org/10.1351/goldbook.09675
Isolation and concentration of an antigen by forming a precipitate with an antibody.
Note: Immunoprecipitation requires that the antibody be coupled to a solid substrate at some point in the procedure.
Source:
PAC, 2018, 90, 1121. (Terminology of bioanalytical methods (IUPAC Recommendations 2018)) on page 1140 [Terms] [Paper]