Research Article

Investigation on the Competition Interaction of Synthetic Food Colorants and Ciprofloxacin Hydrochloride with Bovine Serum Albumin by Fluorescence Spectroscopy

Figure 3

(A) Fluorescence spectra of CPFX; (B) Fluorescence difference spectra of BSA-CPFX system obtained by subtracting Figure 3(A) from Figure 2 (  K). μM in all systems, a ~ f, = 0.0, 5.0, 10.0, 20.0, 30.0, and 40.0 μM, respectively.
137531.fig.003a
137531.fig.003b