Antibacterial CD with synergistic PDT and PTT capabilities. (A) CD-based PDT and PTT combined antimicrobial therapy. (B) Comparison of cytocompatibility of different modalities. (C) Comparison of inhibitory effects of S. aureus without light. (D) Comparison of the inhibitory effects of S. aureus at 405 nm. (E) Comparison of the inhibitory effects of S. aureus at 405 and 808 nm. All statistical data are represented as mean ± SD (n = 3; ∗P < 0.05, ∗∗P < 0.01, ∗∗∗P < 0.001, ∗∗∗∗P < 0.0001, NS represents no significant difference). Reproduced with permission [161]. Copyright 2021, American Chemical Society.