Chitosan and polylactide are good biocompatible polymers,and are used to apply as biomedical materials,especially as the tissue engineering scaffolds for live cells culture.

• 壳聚糖与聚乳酸是具有良好生物相容性的高分子材料,目前被广泛用于生物医学材料,特别是作为组织工程支架。