Fig. 8. (a) Schematic illustration of activation of G under an acidic environment. (b) Consumption of ABDA (5.0 nmol) in the presence of G (30 μM), Ce6 (30 μM), and WP5 + G (30 μM each) at pH = 5.0 under light irradiation. Reproduced from ref. 61 with permission. Copyright 2020 Wiley-VCH.