Fig. 5

a Schematic of the synthesis procedure and ROS scavenging mechanism of V₂O₅@pDA@MnO₂ BMNZ. Reprinted from Ref. [65] with permission from Wiley–VCH. Copyright 2016. b Synthesis and TEM images of MnO₂ nanoflakes tandem BMNZ. Reprinted from Ref. [66] with permission from Wiley–VCH. Copyright 2018. c Ferritin nanocage-modified Co₃O₄ BMNZ with POD-like activity. Reprinted from Ref. [68] with permission from the American Chemical Society. Copyright 2019. d CeO₂-based BMNZ targeting inflamed colon through scavenging of excessive ROS. Reprinted from Ref. [73] with permission from Wiley–VCH. Copyright 2020