Fig. 10

a Schematic of Fe-based single-atom BMNZ for catalytic tumor therapy. In vivo biodistribution profile and 4T1 tumor proliferation curves of mice treated with Fe-based single-atom BMNZ. Reprinted from Ref. [150] with permission from the American Chemical Society. Copyright 2019. b Schematic of the O₂ self-supply PDT system constructed using chlorin e6 and MnO₂ for FLI and MRI bimodal imaging-guided hypoxic cancer treatment and results of in vitro PDT treatment. Reprinted from Ref. [151] with permission from Wiley–VCH. Copyright 2022