undetected metastases

Structures and mechanism of action of Comp-NPs for the diagnosis by imaging and treatment of tumors by multimodal photodynamic therapy and immunotherapy. a) Chemical structures of a polymer incorporating a chromophore for imaging upon irradiation at 808?nm (P1) or a photosensitizer for PDT upon irradiation at 650?nm (P2). b) Self-assembly of the polymers into the nanoparticles NP1 and NP2. The theranostic nanoparticle formulation Comp-NPs is generated by mixing NP1 and NP2. c) Biological mechanism of action of Comp-NPs by combined photodynamic therapy and immunotherapy. Credit: Nature Communications (2023). DOI: 10.1038/s41467-023-40826-5
New nanoparticles mean that even undetected metastases can be treated