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. Author manuscript; available in PMC: 2011 Jul 7.
Published in final edited form as: Chem Commun (Camb). 2010 Apr 16;46(25):4472–4474. doi: 10.1039/c000254b

Fig. 1.

Fig. 1

Absorption spectra of RS-BE and its interactions with Cu2+ (I) or Fe2+ (II) before and after addition of 500 µM H2O2 in ACN/KPB buffer (10 mM, pH 7.5, v/v 1:1): (a) RS-BE (50 µM) only, (b) RS-BE with metal ions (50 µM) and (c) with metal ions and H2O2 (500 µM).