Biodegradable polyanhydrides or polyester compositions based on amino acids. The compositions may be used as carriers for drugs or the like or as the drug source itself. The polymers are prepared from amino acids which are modified to include an additional carboxylic acid group.
可
生物降解的聚酸酐或基于
氨基酸的聚酯组成物。该组成物可用作药物或类似物的载体,或作为药物来源本身。这些聚合物是由
氨基酸制备而成的,这些
氨基酸被修改以包括额外的
羧酸基团。