Low cure rate and high death rate of cancers have seriously threatened human health. The combining multiple therapies is a promising strategy for cancer treatment. In this study, we construct a novel multinucleated nanocomplex loaded with carbon dots (CDs-SA@TAMn) that responds to tumor microenvironment for combined photothermal/chemodynamic cancer therapy. Fluorescence imaging results show that CDs-SA@TAMn can effectively accumulated in tumor sites. In acidic tumor microenvironment, CDs-SA@TAMn will release Mn2+, activating chemodynamic therapy and producing substantial reactive oxygen species (ROS) to kill tumor. Additionally, when irradiated by an 808 nm laser, CDs-SA@TAMn will exert the photothermal effect to realize high performance of cancer hyperthermia treatment. The nanocomplexes feather simple preparation, low toxicity, controlled release and imaging-guided therapy, showcasing the potential of precise and high performance anti-tumor combination therapy in biomedical applications.
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