Chem. J. Chinese Universities ›› 2015, Vol. 36 ›› Issue (5): 838.doi: 10.7503/cjcu20141097

• Articles: Inorganic Chemistry • Previous Articles     Next Articles

Synthesis and Characterization of Magnetic Ferroferric Oxide-Mesoporous Silica Janus Nanoparticles

WEI Guangyao1, ZHANG Jiawei1, LI Aiwu1,*(), LIU Lianqing2, YANG Hai3, WANG Jiping4,*()   

  1. 1. State Key Laboratory on Integrated Optoelectronics,College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
    2. State Key Laboratory of Robotics, Shenyang Institute of Automation,Chinese Academy of Sciences, Shenyang 110016, China
    3. General Research Institute for Nonferrous Metals, Beijing 100088, China
    4. The First Clinical Hospital, Jilin University, Changchun 130021, China
  • Received:2014-12-15 Online:2015-05-10 Published:2015-04-17
  • Contact: LI Aiwu,WANG Jiping E-mail:liaiwud115@163.com;wangjiping2014@21cn.com
  • Supported by:
    † Supported by the National Natural Science Foundation of China(Nos.51373064, 61107024) and the Foundation of State Key Laboratory of Robotics, China

Abstract:

Superparamagnetic and surface-modified Fe3O4 nanoparticles were synthesized via high-temperature hydrolysis method. With the Fe3O4 nanoparticles as seed, silica stick grows on one side of nanoparticle via a non-classic controlled nucleation and growth method, and Janus-magnetic-mesoporous nanoparticles were achieved. The length of silica nanostick in Janus nanoparticle can be controlled by the amount of added TEOS. But the length of silica nanostick in primary growth process is limited, a secondary growth is important to increase the length of silica nanostick. Due to the mesoporous characteristic of silica nanostick, a loading and releasing experiment was conducted, and a sustained-releasing process of doxorubicin was verified.

Key words: Ferroferric oxide, Silica, Janus nanoparticle, Sustained-releasing

CLC Number: 

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