聚乳酸的生物降解率较高且其降解产物无毒，已被广泛用作医用缝线、组织工程支架和药物控释载体。

As its biodegradability and biocompatibility, poly(lactide) (PLA) has been wildly used in medical suture, tissue engineering scaffold and drug delivery carrier.

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该水凝胶作为可降解生物材料可用于药物控释栽体和组织工程支架。

The hydrogels are good candidates for drug controlled carriers and tissue engineering scaffolds.

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因此，该类超支化聚合物材料在药物控释，基因转染和组织工程等 领域具有实用价值。

Therefore, the hyperbranched polyphosphate has utility values in the fields of controlled release medicament, gene transfection, tissue engineering, etc.

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