fluorescence polarization immunoassay(redirected from FPIA)
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Related to FPIA: fluorescence polarization immunoassay, EFPIA
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