Galactosylated chitosan nanoparticle was prepared by the cross-linking of sodium tripolyphosphate and galactosylated chitosan.

• 通过离子交联剂三聚磷酸钠与半乳糖基壳聚糖的氨基之间发生交联作用制备得到半乳糖基壳聚糖纳米粒子。