Time-resolved transient absorption data. Shown are traces at 600 nm for Ru-GMG (black), Ru-GGG-GMG (blue), Ru-GMG-GGG (red), and Ru-mis-GMG (green). The samples contained 20 μM Ru-DNA, 300 μM [Ru(NH3)6]3+, 10 mM NaCl, and 10 mM potassium phosphate (pH 7).