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Citation: CHEN Yi-Qing, SUN Duo-Xian, Anthony M SUN. The Study of Modification of Alginate-Chitosan-Alginate Ion Replacement Gels[J]. Chinese Journal of Applied Chemistry, ;2002, 19(7): 677-681. shu

The Study of Modification of Alginate-Chitosan-Alginate Ion Replacement Gels

1.
a School of Chemical Engineering and Techonogy, Tianjin University, Tianjin 300072;
2.
b Department of Physiology, University of Toronto, Canada

Corresponding author: SUN Duo-Xian,
Received Date: 15 November 2001
Available Online: 22 March 2002
Fund Project: 国家高技术航天领域863-2资助项目(863-2-7-2-11) (863-2-7-2-11)

A novel type of biological microcapsule consisted of carboxymethyl chitosan, chitosan and carboxymethyl chitosan(CCC) was prepared as ion replacement gels. In addition, two modified ion replacement gels, alginate-chitosan-alginate/carboxymethyl chitosan/glutaraldehyde(ACA/CMC/GA) and alginate-chitosan-alginate/oligo-chitosan/glutaraldehyde(ACA/O-Chs/GA), were prepared. All of the ion replacement gels prepared exhibited good ion replacement properties and could be used for adsorption of Pb²⁺ at higher rate. Among them the ACA/O-Chs/GA appeared the best one.
- ion replacement gel,
- alginate-chitosan-alginate,
- alginate,
- carboxymethyl chitosan,
- microcapsules
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