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程亮研究员与华中农业大学袁超副研究员合作在ACS Nano上发表论文
发布时间:2019-03-07 点击:10

题目:

Multifunctional Two-Dimensional Core−Shell MXene@Gold Nanocomposites for Enhanced Photo−Radio Combined Therapy in the Second Biological Window


作者:

Wantao Tang, Ziliang Dong, Rui Zhang, Xuan Yi,§ Kai Yang,§ Meilin Jin, Chao Yuan,*,† Zhidong Xiao,*,† Zhuang Liu, and Liang Cheng*,‡


单位:

College of Science, State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China

Institute of Functional Nano & Soft Materials   (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University Suzhou 215123, China

§School of Radiation Medicine and Protection & School for Radiological and Interdisciplinary Sciences (RAD-X), Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, Jiangsu 215123, China


摘要:

Multifunctional nanoplatforms with special advantages in the diagnosis and treatment of cancer have been widely explored in nanomedicine. Herein, we synthesize two-dimensional core−shell nanocomposites (Ti3C2@Au) via a seed-growth method starting from the titanium carbide (Ti3C2) nanosheets, a classical type of MXene nanostructure. After growing gold on the surface of Ti3C2 nanosheets, the stability and biocompatibility of the nanocomposites are greatly improved by the thiol modification. Also importantly, the optical absorption in the near-infrared region is enhanced. Utilizing the ability of the high optical absorbance and strong X-ray attenuation, the synthesized Ti3C2@Au nanocomposites are used for photoacoustic and computed tomography dual-modal imaging. Importantly, the mild photothermal effect of the Ti3C2@Au nanocomposites could improve the tumor oxygenation, which significantly enhances the radiotherapy. No obvious long-term toxicity of the nanocomposites is found at the injected dose. This work highlights the promise of special properties of MXene-based multifunctional nanostructures for cancer theranostics.


影响因子:

13.709


分区情况:

一区


链接:

https://pubs.acs.org/doi/abs/10.1021/acsnano.8b05982


责任编辑:向丹婷


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