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. Author manuscript; available in PMC: 2012 Aug 1.
Published in final edited form as: J Inorg Biochem. 2011 Aug 1;105(8):1030–1034. doi: 10.1016/j.jinorgbio.2011.04.010

Fig. 1.

Fig. 1

UV/Vis spectra of Pb(II) bound glutathione (GSH) at different pH values. The spectrum at pH 7.5 (blue), pH 8.5 (green) and pH 9.5 (brown) were the difference spectra after the subtraction of GSH absorbance. The spectra were recorded in TrisHCl buffer (100 mM) at 25°C.