Fluorescein isothiocyanate (FITC) is a fluorescein derived reagent having an isothiocyanate functional group attached to the core ring structure. FITC is one of the most popular reagents for fluorescent labeling of biomolecules and is used mainly in immunoflouresence studies. Anti-FITC antibodies can be used for isolating FITC labeled cells by magnetic microbeads based sorting, as well as removal of background signal.
Fluorescein; Fluorescein isothiocyanate
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