Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 45, Issue 2, Pages 135-139Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2009.04.016
Keywords
Chitosan; Grafting; Bioactivity; Metal uptake studies; XRD studies
Funding
- Japan Society for the Promotion of Science (JSPS) [17.05405]
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Carboxymethyl chitosan-graft-D-glucuronic acid (CMCS-g-D-GA) was prepared by grafting D-GA onto CMCS in the presence of 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide(EDC) and then the membranes were made from it. In this work, the bioactivity studies Of CMCS-g-D-GA membranes were carried out and then characterized by SEM, CLSM, XRD and FT-IR. The CMCS-g-D-GA membranes were found to be bioactive. The adsorption of Ni2+, Zn2+ and Cu2+ ions onto CMCS-g-D-GA membranes has also been investigated. The maximum adsorption capacity of CMCS-g-D-GA for Ni2+, Zn2+ and Cu2+ was found to be 57, 56.4 and 70.2 mg/g, respectively. Hence, these membranes were useful for tissue engineering, environmental and water purification applications. (C) 2009 Elsevier B.V. All rights reserved.
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