Title: polyclonal
Long Title: IUPAC Gold Book - polyclonal
DOI: 10.1351/goldbook.09682
Status: current

Definition
Arising from multiple, different clones.

Note
Polyclonal antibodies (pAbs) are antibodies that are secreted by different B cell lineages within the body. They are a collection of immunoglobulin molecules that react against a specific antigen, each identifying a different epitope.

Example
A typical antiserum obtained from a conventional immunization is polyclonal.

Source
- PAC, 2018, 90, 1121. 'Terminology of bioanalytical methods (IUPAC Recommendations 2018)' on page 1142 (https://doi.org/10.1515/pac-2016-1120)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/09682/html
- json: https://goldbook.iupac.org/terms/view/09682/json
- xml: https://goldbook.iupac.org/terms/view/09682/xml

Citation: Citation: 'polyclonal' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.09682
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Accessed: 2026-04-18T03:53:41+00:00