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. 2014 Sep 26;6(1):372–383. doi: 10.1039/c4sc02367f

Fig. 1. (A) UV-VIS absorption spectra of PAH-His coordinated with Cu. (B) Example of absorption spectra fitted with three different signals for 2.3 mL of PAH-His (6 mM) added to the 2 mL of Cu(NO3)2 (15 mM). (C) Integration of the signal intensity at 620 nm, 770 nm and 820 nm, fitting data to the binding model.

Fig. 1