Abstract
A novel composite scaffold based on chitosan-collagen/organomontmorillonite (CS-COL/OMMT) was prepared to improve swelling ratio, biodegradation ratio, biomineralization and mechanical properties for use in tissue engineering applications. In order to expend the basal spacing, montmorillonite (MMT) was modified with sodium dodecyl sulfate (SDS) and was characterized by XRD, TGA and FTIR. The results indicated that the anionic surfactants entered into interlayer of MMT and the basal spacing of MMT was expanded to 3.85 nm. The prepared composite scaffolds were characterized by FTIR, XRD and SEM. The swelling ratio, biodegradation ratio and mechanical properties of composite scaffolds were also studied. The results demonstrated that the scaffold decreased swelling ratio, degradation ratio and improved mechanical and biomineralization properties because of OMMT.
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Cao, X., Wang, J., Liu, M. et al. Chitosan-collagen/organomontmorillonite scaffold for bone tissue engineering. Front. Mater. Sci. 9, 405–412 (2015). https://doi.org/10.1007/s11706-015-0317-5
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DOI: https://doi.org/10.1007/s11706-015-0317-5