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. Author manuscript; available in PMC: 2012 Jun 11.
Published in final edited form as: J Biol Inorg Chem. 2011 Dec 22;17(3):409–423. doi: 10.1007/s00775-011-0864-x

Fig. 11.

Fig. 11

O2·− generation ability of the copper complexes in the presence of NAC and AA. The dependence of the level of copper-complex-generated O2·− on NAC (2 mM) and AA (50 μM) was determined by measuring the reduction of nitroblue tetrazolium spectrophotometrically. The copper complexes were used at concentrations of 25 μM. The values given are the mean ± the standard deviation of three determinations. Significant differences were calculated by Student’s t test: single asterisk p < 0.05, two asterisks p < 0.01