Determination of human serum albumin using an intramolecular charge transfer fluorescence probe: 4′-Dimethylamino-2,5-dihydroxychalcone

Intramolecular charge transfer fluorescence probe 4′-dimethylamino-2,5-dihydroxychalcone binding to human serum albumin exhibited dramatic enhancement of fluorescence intensity with accompanying blue shift of the emission maximum.