中文摘要：

聚氨基酸具有良好的生物相容性，其降解产物无毒，是一类重要的生物医用材料，本文评述了近年来此类聚合物合成方面的研究进展。

英文摘要：

Poly-a-amino acids are important biomedical materials, which are non-toxic and bioresorbable in vivo.In this paper, recent advances in the synthesis of the polymers were reviewed.