(a)

(b)

Figure 7: Synchronous fluorescence spectra of BSA-Avelox system = 1.0 × 10−6 M, 1 ~ 6 = (0.0, 2.0, 6.0, 10.0, 15.0, 25.0) × 10−6 M; (a)  nm, (b)  nm;  K.