A versatile Fe3O4 based platform via iron-catalyzed AGET ATRP: towards various multifunctional nanomaterials

文献情報

出版日 2013-09-27

DOI 10.1039/C3PY00920C

インパクトファクター 5.582

著者

Weiwei He, Liang Cheng, Lifen Zhang, Zhuang Liu, Zhenping Cheng, Xiulin Zhu

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要旨

In this work, iron-catalyzed atom transfer radical polymerization with activators generated by electron transfer (AGET ATRP) of poly(ethylene glycol) monomethyl ether methacrylate (PEGMA) and 2-((ethoxycarbonothioyl)thio)ethyl methacrylate (ETCEMA) followed by reduction were performed to modify Fe3O4@SiO2 nanoparticles (NPs) for introducing thiol groups on the surface of the NPs. Gold NPs and two near infra-red (NIR) organic dyes with different quantum yields were covalently fixed into the polymer shells independently to afford magnetic NPs with surface-enhanced Raman spectroscopy (SERS), NIR fluorescence imaging and photo-thermal therapy (PTT) functionalities, respectively. In addition, all of these NPs are able to display as contrast agents for magnetic resonance imaging (MRI) because of the existence of the paramagnetic Fe3O4 cores.

掲載誌

Polymer Chemistry

CiteScore: 8.6

自己引用率: 7.3%

年間論文数: 457

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A versatile Fe3O4 based platform via iron-catalyzed AGET ATRP: towards various multifunctional nanomaterials

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