Fig. 4: H2O2 and O2 activation by the ArCuPs monitored by UV-vis and Trp emission. | Nature Communications

Fig. 4: H2O2 and O2 activation by the ArCuPs monitored by UV-vis and Trp emission.

From: Controlling outer-sphere solvent reorganization energy to turn on or off the function of artificial metalloenzymes

Fig. 4

A H2O2 vs. O2 activation pathways delineating the production of various CuII-oxygen species. B–E Reoxidation of 3SCC and 4SCC with H2O2 and O2 monitored by UV-vis. The time traces represent spectra collected at 1 min (gray) and 100 min (red, violet, blue, green) after initiating the reactions. F The H2O2-dependent (black = 10, wine = 20, blue = 25, and green = 50-fold) reoxidation of A10W-3SCC monitored by Trp emission, and G the kobs vs. [H2O2] plots for A10W-3SCC (red), and A10W-4SCC (blue). Error bars in G represent SD from three experiments. [ArCuP] = 0.125 mM, pH = 6.5. For oxygenic reoxidation, O2-saturated solutions were used.

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