Figure 2: fluorescence spectra of BSA in the presence of Tm-Por. at pH=7.40, 297K, λEx=280nm.c(BSA)=10μM; c(Tm-Por)/(10μM), A →I:0, 0.2, 0.4, 0.6, 0.8, 1.0, 1.2, 1.5, 2.0. Inset: the relationship of F0/F and the concentration of quenching agent Tm-Por.