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Chitosan-graft-β-cyclodextrin scaffolds with controlled drug release capability for tissue engineering applications

Publication Type : Journal Article

Thematic Areas : Nanosciences and Molecular Medicine

Publisher : International Journal of Biological Macromolecules

Source : International Journal of Biological Macromolecules, Volume 44, Number 4, p.320-325 (2009)

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Campus : Kochi

School : Center for Nanosciences

Center : Amrita Center for Nanosciences and Molecular Medicine Move, Nanosciences

Department : Nanosciences and Molecular Medicine

Year : 2009

Abstract : Biodegradable scaffolds composed of chitosan-g-β-cyclodextrin (chit-g-β-CD) were prepared by freeze-drying method as synthetic extracellular matrices to fill the gap during the healing process. Due to the presence of β-CD, these scaffolds can be used as a matrix for drug loading and controlled release. The morphology, swelling and drug release properties of the scaffolds were found to be dependent on the extent of cross-linking density in the scaffolds. The drug dissolution profile showed that chit-g-β-CD scaffolds provided a slower release of the entrapped ketoprofen than chitosan scaffold. The MTT assay showed that there is no obvious cytotoxicity of chit-g-β-CD scaffolds cross-linked with 0.01 M of glutaraldehyde against the fibroblasts (L929) cells. These results suggest that chit-g-β-CD scaffolds may become a potential biodegradable active filling material with controlled drug release capability, which provide a healthy environment and enhance the surrounding tissue regeneration.

Cite this Research Publication : M. Prabaharan and Dr. Jayakumar Rangasamy, “Chitosan-graft-β-cyclodextrin scaffolds with controlled drug release capability for tissue engineering applications”, International Journal of Biological Macromolecules, vol. 44, pp. 320-325, 2009.

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