Polymeric compositions are described comprising a biocompatible polymer including a biodegradable linkage to a visualization agent and a non-physiological pH solution; wherein the biocompatible polymer is soluble in the non-physiological pH solution and insoluble at a physiological pH. Methods of forming the solutions and polymers are disclosed as well as methods of therapeutic use.
本文描述了一种聚合物组合物,其中包括一种
生物相容性聚合物,该聚合物含有可
生物降解的连接剂,与可视化剂和非生理pH溶液相结合;其中,
生物相容性聚合物在非生理pH溶液中可溶,在生理pH下不可溶。本文还公开了制备该溶液和聚合物的方法,以及治疗使用的方法。