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. 2022 Aug 21;21:157–174. doi: 10.1016/j.bioactmat.2022.08.011

Fig. 6.

Fig. 6

(a) Schematic of the preparation of POS-UCNPs/ICG composite and its APDT mechanism; (b) Schematic of POS-UCNPs/ICG induced bacterial damage; (c) Bacterial colonies after treatment with different concentrations of prepared composite; (d) Schematic of POS-UCNPs/ICG triggered anti-inflammation mechanism via CO production. Reprinted with permission [88], Copyright © 2022 Ivyspring International Publisher.