fluorescence polarization immunoassay(redirected from fluorescent polarization immunoassay)
Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to fluorescent polarization immunoassay: FPIA
fluorescence polarization immunoassay, fluorescent polarization immunoassay Abbreviation: FPIA
A means of identifying and quantifying the amount of an antigen in a specimen in which a fluorescently labeled antibody is mixed with a sample thought to contain the antigen is exposed to polarized light. Bound fluorescently labeled antibody reacts to polarized light in a characteristic fashion not demonstrated by unbound antibody, allowing for identification and measurement of the ligand.
See also: immunoassay