期刊
ADVANCED HEALTHCARE MATERIALS
卷 9, 期 21, 页码 -出版社
WILEY
DOI: 10.1002/adhm.202001205
关键词
ablation mechanisms; anticancer therapies; combination therapy; temperature feedback; theranostic nanoplatforms
资金
- National Natural Science Foundation of China [U1808210]
- Fundamental Research Funds for the Central Universities [DUT20LK37]
The intelligent design of multifunctional nanoplatforms is critical for cancer therapy. Herein, NaGdF4:Er,Yb@NaGdF4:Nd@Cu(II) boron-imidazolate frameworks (denoted as CSNPs@Cu-BIF) nanoassemblies are designed and fabricated. Upon a single 808 nm laser irradiation, the nanoassemblies not only show the outstanding photothermal conversion capacity (eta = 41.7%) but also generate cytotoxic reactive oxygen species through an in situ Fenton-like reaction and fluorescence resonance energy transfer. Importantly, the nanoassemblies simultaneously introduce remarkable antitumor efficacy via photothermal/photodynamic/chemodynamic combination therapy both in vitro and in vivo. To improve the therapeutic effect of solid tumor ablation, it is highly desirable to monitor the treatment process in real-time. Multiclinical imaging modalities of ultrasonography are employed to systematically investigate the ablation mechanism of solid tumors in vivo. Furthermore, the significant difference between the eigen temperature of CSNPs@Cu-BIF nanoassemblies obtained by the temperature-sensitive emission bands signal changes and the apparent temperature recorded by the thermal imaging camera is 14.55 K at equilibrium. This current work therefore supplies an alternative strategy in temperature feedback-controlled accurate cancer therapy.
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