PLA-PCL/ramie fabric composite was prepared by means of in-situ polymerization.

采用原位聚合法制备了聚乳酸-聚已内酯（PLA-PCL）／苎麻复合材料。

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OBJECTIVE To introduce the progress of drug-loaded nano-system of polyesters such as PCL, PLGA, PLA.

目的介绍PCL、PLGA、PLA等聚酯型高分子纳米载药系统的研究进展。

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