National Cancer Institute (source definition)
Fluorescence Polarization Immunoassay
An immunoassay in which a fluorescent tracer is used to detect an analyte of interest by triggering the emission of photons when subjected to polarized light.
Review and references
Automated source check (NCI definition)
2026-10-19
2026-10-19
professional use
References
- NCI Thesaurus 26.09d — Fluorescence Polarization Immunoassay (C219949)
- Source: National Cancer Institute, NCI Thesaurus 26.09d, C219949. NCI definition, reproduced without modification under CC BY 4.0.
- Disease Biomarker Detection Using Fluorescence Polarization Assays: Principles and Clinical Applications. — Diagnostics (Basel), 2026-09-20 (PMID 42793835; literature)
- Detection of H5 subtype avian influenza virus in avian oropharyngeal swab samples using a microfluidic non-competitive fluorescence polarization immunoassay. — Analyst, 2026-07-27 (PMID 42306856; literature)
What it is
An immunoassay in which a fluorescent tracer is used to detect an analyte of interest by triggering the emission of photons when subjected to polarized light.
Source: National Cancer Institute, NCI Thesaurus 26.09d, C219949. NCI definition, reproduced without modification under CC BY 4.0.
Source identity and definition checked automatically on 2026-10-18. No individual clinical interpretation or human reviewer is asserted.
Compliance note
Reference intervals and interpretation depend on the laboratory, specimen, method and clinical context. This source definition is educational information; it does not establish a diagnosis, product approval or suitability for an individual.