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Congratulations to Li Yan’s work published in ACS Applied Materials & Interfaces

作者: 编辑:李贵叶-健康学院 审核人: 发布时间:2021-11-12 19:09 来源: 点击量:

Recently, Dr. Li Yan published a research work “Near-Infrared Light-Triggered Lysosome-Targetable Carbon Dots for Photothermal Therapy of Cancer” in ACS Applied Materials & Interfaces (doi.org/10.1021/acsami.1c15926), JCR Q1, Impact Factor 9.229. This research collaborated with researchers from Central South University and City University of Hong Kong.

Photothermal therapy (PTT) has inherent advantages in the treatment of hypoxic tumors due to its optically controlled selectivity on tumor ablation and oxygen-independent nature. The subcellular organelle-targeting capability and photothermal conversion efficiency (PCE) at near-infrared (NIR) wavelength are the key parameters in the assessment of the photothermal agent (PTA). In this paper, it was reported that carbon dots (CDs) prepared by the hydrothermal treatment of coronene derivatives show a high PCE of 54.7% at 808 nm, which can be attributed to the narrow band gap and the presence of amounts of continuous energy bands on CDs. Moreover, the vibrations in the layered graphite structures of the CDs also increase the rate of nonradiative transition and thus enhance the PCE. Furthermore, the CDs also possess excellent photostability, biocompatibility, and cell penetration capability and could mainly accumulate in the lysosomes. These experiment results have proved that the CDs are suitable as an efficient NIR light-triggered PTA for efficient PTT against cancer.

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