高等学校化学学报 ›› 1997, Vol. 18 ›› Issue (11): 1888.

• 论文 • 上一篇    下一篇

脂肪族聚酯酸酐的合成及其药物控制释放性能的研究

胡运华, 卓仁禧   

  1. 武汉大学化学系, 武汉 430072
  • 收稿日期:1996-07-18 出版日期:1997-11-24 发布日期:1997-11-24
  • 通讯作者: 卓仁禧
  • 作者简介:胡运华, 男, 39岁, 博士, 副教授.
  • 基金资助:

    国家自然科学基金;湖北省自然科学基金

Studies on Synthesis and Drug Release Properties of Aliphatic Polyester Anhydrides

HU Yun-Hua, ZHUO Ren-Xi   

  1. Department of Chemistry, Wuhan University, Wuhan 430072
  • Received:1996-07-18 Online:1997-11-24 Published:1997-11-24

摘要: 合成了一系列脂肪族聚酯酸酐并研究了其降解和药物控释性能.结果表明,脂肪族聚酯酸酐具有较低的熔融温度(约70℃);体外降解速率随单体中次甲基数增多而降低,在24~40h降解完全;含乙酰水杨酸的聚酯酸酐基质片的药物释放速率与聚酯酸酐的降解行为有关.

关键词: 聚酯酸酐, 降解, 药物控制释放

Abstract: Polyanhydrides are of particular interest as materials for controlled drug releasesystems due to their excellent surface erosion properties.In this paper, a series of aliphaticpolyester anhydrides -[COCH2CH2COO (CH2)nOCOCH2CH2COO]-mwere prepared.The invitro degradation and drug release properties were also investigated.The results showed thatthe aliphatic polyester anhydrides had low melting temperature (70℃).The in vitrodegradation rates of polyester anhydrides decreased with the increase of n, and degradationcompleted within2440h.The drug release rates from polyester anhydrides matrixes arerelated to the behavior of polyester anhydride degradation.

Key words: Polyester anhydride, Degradation, Controlled drug release

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