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The antibacterial activity of porphyrin@qTiO2 nanomaterials: (A) Proposed mechanism of the TiO2 photosensitization, and possible pathway of ROS generation after excitation of porphyrin@qTiO2 nanomaterials with their antimicrobial activity. (B) Photodynamic inactivation of E. coli and S. aureus mediated by qTiO2-based hybrid materials (porphyrin@qTiO2) and KI and H2O2 PDI potentiation after 2 h incubation and irradiated by 420 ± 20 nm LED light.132
