申请人:The Board of Regents of the University of Texas System
公开号:US10017598B2
公开(公告)日:2018-07-10
Provided herein are block copolymers comprising a hydrophilic polymer segment and a hydrophobic polymer segment, wherein the hydrophilic polymer segment comprises a polymer selected from the group consisting of: poly(ethylene oxide) (PEO), poly(methacrylate phosphatidyl choline) (MPC), and polyvinylpyrrolidone (PVP), wherein the hydrophobic polymer segment comprises
wherein R′ is —H or —CH3, wherein R is —NR1R2, wherein R1 and R2 are alkyl groups, wherein R1 and R2 are the same or different, wherein R1 and R2 together have from 5 to 16 carbons, wherein R1 and R2 may optionally join to form a ring, wherein n is 1 to about 10, and wherein x is about 20 to about 200 in total. Also provided are pH-sensitive micelle compositions for therapeutic and diagnostic applications.
本文提供的嵌段共聚物包括亲水性聚合物段和疏水性聚合物段,其中亲水性聚合物段包括选自以下组别的聚合物:聚环氧乙烷(PEO)、聚甲基丙烯酸酯磷脂酰胆碱(MPC)和聚乙烯吡咯烷酮(PVP),其中疏水性聚合物段包括
其中 R′为-H 或-CH3,其中 R 为-NR1R2,其中 R1 和 R2 为烷基,其中 R1 和 R2 相同或不同,其中 R1 和 R2 共具有 5 至 16 个碳原子,其中 R1 和 R2 可任选连接形成环,其中 n 为 1 至约 10,以及 x 共约 20 至约 200。还提供了用于治疗和诊断的 pH 敏感胶束组合物。