Citation: Hong Zhang, Xing Long Gong, Ling Yun Hao, Wan Quan Jiang. Fabrication and biocompatible characterization of magnetic hollow capsules[J]. Chinese Chemical Letters, ;2008, 19(7): 877-880. doi: 10.1016/j.cclet.2008.05.002 shu

Fabrication and biocompatible characterization of magnetic hollow capsules

a Department of Chemistry, Fuyang Normal College, Fuyang 236041, China;
b CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei 230026, China

Received Date: 24 December 2007

Fund Project: This work is financially supported by the National Natural Science Foundation of China (No.10672154) and National Science Fund of Ministry of Education of Anhui Province (No.2005KJ135).

Monodispersed Fe₃O₄/polypyrrole (PPy) hollow particles were synthesized via controllable in-sire deposition and polymerization techniques using poly(styrene-co-acrylic) (PSA) latex as template.Field-dependent magnetization plot illustrates that the capsules are superparamagnetic at 300 K.FTIR spectrum confirms that the myoglobin (Mb) molecule adsorbed on the surface of Fe₃O₄/PPy hollow particle essentially retains its native structure.Furthermore,direct electrochemistry of Mb can be realized on Fe₃O₄/PPy capsules modified pyrolytic graphite disk electrode,which indicates that the magnetic conductive polymer capsules can promote the electron transfer of protein.
- Composite capsules,
- Magnetic,
- Biocompatibility
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