Fig. 4From: Binding interaction of a novel fluorophore with serum albumins: steady state fluorescence perturbation and molecular modeling analysisCompound 5 binding is an excited state phenomenon. a The changes in compound 5 fluorescence excitation spectra upon addition of BSA. b Normalized absorption (blue) and fluorescence excitation (yellow) spectra of compound 5 overlapped with fluorescence excitation spectrum (green) in presence of BSABack to article page