With sodium tripolyphosphate as ionic crosslinking reagent, levodopa-chitosan microspheres were prepared by means of emulsion-dispersion and ionic cross-linking.

• 采用乳化分散-离子交联法,以三聚磷酸钠为离子交联剂,制备了左旋多巴-壳聚糖微球,并考察其理化性质和药物释放性能。