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Functionalization of magnetic titanium dioxide for targeted drug delivery and UV-induced release

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Abstract

Magnetic titanium dioxide core-shell nanoparticles(Fe3O4@TiO2 NPs) were synthesized as particles with appropriate size for intravenous injection. They subsequently were functionalized with p-aminothiophenol(PATP) to facilitate the covalent attachment of target drugs through azo coupling reaction, which can be universally observed in a variety of drugs containing phenols, anilines, and imidazoles. The proposed drug nanocarrier was designed to possess the ability to release drugs upon UV irradiation because of the photocatalytic property of the TiO2 shells. All the results indicate the potential application of the Fe3O4@TiO2 NPs in targeted drug delivery with greater chemical sta-bility and universality.

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Correspondence to Chunlai Jiang.

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Supported by the National Natural Science Foundationof China(No.81401717), the Scientific Research Foundation for Returned Overseas Scholars, Ministry of Education of China and the Development Program of the Science and Technology of Jilin Province, China(No.20130206011YY).

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Cai, L., Li, J., Wang, S. et al. Functionalization of magnetic titanium dioxide for targeted drug delivery and UV-induced release. Chem. Res. Chin. Univ. 33, 294–297 (2017). https://doi.org/10.1007/s40242-017-6406-5

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  • DOI: https://doi.org/10.1007/s40242-017-6406-5

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