In this study, we prepared chitin-chitosan/nano TiO2 composite scaffolds using lyophilization technique for bone tissue engineering. The prepared composite scaffold was characterized using SEM, XRD, FTIR and TGA. In addition, swelling, degradation and biomineralization capability of the composite scaffolds were evaluated. The developed composite scaffold showed controlled swelling and degradation when compared to the control scaffold. Cytocompatibility of the scaffold was assessed by MTT assay and cell attachment studies using osteoblast-like cells (MG-63), fibroblast cells (L929) and human mesenchymal stem cells (hMSCs). Results indicated no sign of toxicity and cells were found attached to the pore walls within the scaffolds. These results suggested that the developed composite scaffold possess the prerequisites for tissue engineering scaffolds and it can be used for tissue engineering applications. © 2010 Elsevier B.V.
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Dr. Jayakumar Rangasamy, Ramachandran, R., Divyarani, V. V., Chennazhi, K. P., Tamura, H., and Nair, S. V., “Fabrication of chitin-chitosan/nano TiO2-composite scaffolds for tissue engineering applications”, International Journal of Biological Macromolecules, vol. 48, pp. 336-344, 2011.