Fig. 1

a Schematic illustration of 980-nm laser light-triggered on-demand NO release for dose-dependent therapeutic applications. Reproduced with permission from Ref [73]. Copyright 2015, Wiley–VCH. b Schematic illustration of the coordination-precipitation process of Me-RBS and NIR-responsive release of NO. Reproduced with permission from Ref [75]. Copyright 2017, American Chemical Society. c Schematic illustration of theranostic functions of Nb₂C–MSNs–SNO, including free delivery within blood vessel after intravenous injection, photothermal-triggered NO release, photonic thermogaseous therapy toward oncotherapy, and PAI guidance and monitoring. Reproduced with permission from Ref [76]. Copyright 2019, Wiley–VCH. d Schematic illustration of synthetic procedure and NIR-triggered NO release property of BNN-Bi₂S₃, and synergistic mechanism of NO and mild PTT in cancer therapy. Reproduced with permission from Ref [77]. Copyright 2019, Wiley–VCH. e Schematic of the nanoplatform (1) for target-directed delivery of NO and production of PTT under 808 nm light irradiation, and schematic of the preparation of the CS-PVA/NO hydrogel and its antibacterial effect by NO under irradiation with 808 nm light. Reproduced with permission from Ref [78]. Copyright 2020, American Chemical Society