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Figure 5. Interfacial radical-driven organic transformations in microdroplet systems. (A) Schematic diagram of the mechanism of ·OH generated at the gas‒liquid interface of microbubbles[38]; (B) The formation of phenylacetic acid from toluene and CO2 in water microdroplets[19]; (C) Comparison of CH4 photo-oxidation product generation rates under gas-phase and microdroplet conditions[39]. Figure 5A is reprinted with permission from Ref.[38], available under a CC BY-NC-ND 4.0. Copyright © 2026 Springer Nature. Figure 5B is reprinted with permission from Ref.[19], Copyright © 2023 American Chemical Society. Figure 5C is reprinted with permission from Ref.[39], Copyright © 2025 American Chemical Society.
