Figure 5

(a) UV absorption spectra of BSA + Al3+ solutions, (b) UV absorption spectra of Fe3+ and BSA + Fe3+ solutions, (c) difference between the BSA + Fe3+ spectra and the corresponding Fe3+ spectra.

(a) UV absorption spectra of BSA + Al3+ solutions, (b) UV absorption spectra of Fe3+ and BSA + Fe3+ solutions, (c) difference between the BSA + Fe3+ spectra and the corresponding Fe3+ spectra.