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- W2415144974 abstract "The chitosan scaffolds with different deacetylated degree were prepared in this study. The morphology of scaffolds were observed using SEM, and the porosity, the water absorbing swelling ratio and the degradation were examined both in vitro and in vitro. The results showed that the chitosan scaffolds with different deacetylated degree exhibited three-dimensional structure with high porosity. With increasing of deacetylated degree, their porosities were 93.46%, 90.02% and 86.71%, respectively. The swelling ratios of chitosan scaffolds were 820%, 803% and 772%, respectively. At the fourth week, the degradation rates were 30.44%, 22.08% and 17.10% in vitro, respectively; while the corresponding rates were 57.48%, 40.23%, 29.53% in vivo respectively. The degradation rate of chitosan scaffold was negatively correlated to deacetylated degree. Furthermore, it showed that the speed of degradation in vivo was faster than that in vitro. We concluded that controlling the deacetylated degree of chitosan can provide a well-matched degradable scaffold material for the reparation of cartilage defects." @default.
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- W2415144974 date "2012-02-01" @default.
- W2415144974 modified "2023-10-18" @default.
- W2415144974 title "[Preparation of chitosan scaffold with different deacetylated degrees and evaluation of the degradation characteristics]." @default.
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