Synonym for fluorescein isothiocyanate ... <chemical> A fluorescent chemical derived from fluorescein which is used to label proteins. ... (25 Jun 1999) ... 
(= fluorescein isothiocyanate) FITC is used as a reagent to conjugate fluorescein to protein. FITC-labelled antibodies are extensively used for fluorescence microscopy: the fluorophore illuminated with UV emits a yellow-green light.
Type: Abbreviation Definitions: 1. Abbreviation for fluorescein isothiocyanate.