The photocytotoxic activity of porphyrin-containing materials including metal-organic frameworks (MOFs) has attracted ever increasing interest. We have developed a simple synthesis of hexagonal PCN-222/MOF-545 nanoparticles, which are powerful in inducing reactive oxygen species-mediated apoptosis of cancer cells upon visible light irradiation. The extent of the cytotoxic effect well correlates with the nanoparticle size and structural instability. High phototoxicity of the presented nanoparticles and their deactivation within several hours open up the door to possible applications in cancer therapy.

Institute of Inorganic Chemistry of the Czech Academy of Sciences v v i Husinec Řež 1001 250 68 Řež Czech Republic

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The nanoscaled metal-organic framework ICR-2 as a carrier of porphyrins for photodynamic therapy