Fig. 27

a Schematic of the bacteria capture and drug activation through via azide–alkyne "click" reaction and ROS release using the sea urchin-like PdCu nanozymes with POD-like activity. b, c Survival rate of E. coli and S. aureus after treatment with the nanozyme and H₂O₂ or drug precursors, compared to combination treatment. d Photographs of E. coli-infected mouse wound models under control and combination treatment. e Relative wound area at Day 0 and Day 5 of treatment. Reprinted from Ref. [203] with permission from the American Chemical Society. Copyright 2021