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《Journal of Fujian Normal University(Natural Science)》 2004-01
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Synthesis and Characterization of Magnetic Chitosan Microspheres

MA Xiu-ling,CHEN Sheng, ZHENG Si-ning,HUANG Li-mei (College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007,China)  
The magnetic particles were prepared by coprecipitating divalent and trivalent iron in the presence of polyethylene glycol and sodium hydroxide(pH of solution is 11~12). And a new magnetic CS-M was synthesized by coating magnetic fluid with chitosan. This microspheres, determined from SEM, contains a magnetic core and a polymer shell,and its diameter is about 50 μm. Experiments indicated that the magnetis CS-M have a good spherical geomethy as well as the better magnetic induction.
【Fund】: 福建省教育厅基金资助项目(JB01095)
【CateGory Index】: O631
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