{"term":{"id":"14134","title":"fluorescence correlation assay","longtitle":"IUPAC Gold Book - fluorescence correlation assay","doi":"10.1351\/goldbook.14134","code":"14134","status":"current","definitions":[{"id":1,"text":"Assay in which fluctuations in fluorescence intensity are detected and used to characterize a species that is labeled with a fluorescent probe.","notes":{"1":"The fluctuations are measured for a small volume of the total assay sample and are attributed to local diffusion of the probe in the detected volume or interactions that change the quantum yield of fluorescence."},"sources":["PAC, 2011, 83, 1129. 'Glossary of terms used in biomolecular screening (IUPAC Recommendations 2011)' on page 1140 (https:\/\/doi.org\/10.1351\/PAC-REC-09-05-03)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/14134\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/14134\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/14134\/plain"},"citation":"Citation: 'fluorescence correlation assay' 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.14134","license":"The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/) for individual terms.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","disclaimer":"The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.","accessed":"2026-07-12T14:45:50+00:00"}}