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NIR-Mediated Cu2O/ Au Nanomotors for Synergistically Treating Hepatoma Carcinoma Cells.
Chemistry, An Asian Journal 2024 January 30
We presented a NIR- driven Janus Cu2O/ Au nanomotor. The nanomotor has a truncated octahedral structure. By asymmetric Au evaporation, the light response range of Cu2O nanomotor is extended to near-infrared range, and the speed of Cu2O/ Au nanomotors under NIR is significantly increased. In promoting apoptosis of hepatocellular carcinoma, except the nanotoxicity of Cu2O itself, the Au layer enhances the photothermal properties, allowing Cu2O/ Au nanomotors to induce apoptosis in hepatocellular carcinoma cells by heating them. On the other hand, a Schottky barrier formed at the interface of Cu2O and Au, preventing the recombination of electrons, which makes more electrons react with biomolecules to produce toxic ROS to hepatocellular cells. The killing rate of hepatocellular carcinoma cells reached 87% by the combined effect of nanotoxicity inhibition of proliferation and photothermal & photodynamic therapy (PTT & PDT). Nanomotors in combination with multiple approaches to tumor are explored a new treatment in this article.
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