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新型肝靶向载体N-乳糖酰化壳聚糖的制备与表征

Preparation and Characterization of Novel Galactosylated Chitosan

  • 摘要: 目的:将肝靶向基团半乳糖基引入到壳聚糖的结构中,制备N-乳糖酰化壳聚糖。方法:以天然聚合物壳聚糖为原料,在其2-NH2引入乳糖酸,制得酰化产物,用FTIR、^13CNMR,^1HNMR时其进行表征。用粉末X衍射、DSC、TG对其物理性质进行分析。结果与结论:制得了新型的取代度为20%的N-取代的乳糖酰化壳聚糖载体。

     

    Abstract: AIM: To prepare galactosylated chitosan as hepatocyte-targeting carrier. METHOD: By using galactosylated group introduced into the amino group of chitosan,galactosylated chitosan was synthesized. The chemical structure of galactosylated chitosan was chara

     

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