Fig. 8
From: Near-infrared light-triggered nano-prodrug for cancer gas therapy
a Intracellular localized SO2 generation and therapeutic action upon NIR light irradiation after cell uptake of RUCSNs-DM. Reproduced with permission from Ref [108]. Copyright 2019, American Chemical Society. b Schematic illustration of synthetic procedure of Au-Ag-BTS HTNs, and a win–win therapeutic mechanism of Au-Ag-BTS HTNs by acting together on apoptosis protein—Bax and enhanced tumor penetration. Reproduced with permission from Ref [109]. Copyright 2020, Elsevier Ltd. c Schematic illustration of the preparation of GNRs@PDA-BTS and the design of GPBRs for gas therapy and photothermal therapy. Reproduced with permission from Ref [110]. Copyright 2020, Elsevier Ltd