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Schematic illustration of P@DW/BC NSs for simultaneous tumor PTT and anti-inflammation. (A) Preparation process for P@DW/BC NSs. (B) Selective accumulation of P@DW/BC NSs in tumor after intravenous injection via the EPR effect. (C) P@DW/BC NSs-mediated PTT for tumor inhibition. (D) Heat-triggered BC decomposition to produce CO2. (E) P@DW/BC NSs-mediated photocatalytic CO2 reduction to produce CO. (F) Elimination of PTT-caused inflammation by CO.
