Evaluation of anhydride oligomers within polymer microsphere blends and their impact on bioadhesion and drug delivery in vitro.

Evaluation of anhydride oligomers within polymer microsphere blends and their impact on bioadhesion and drug delivery in vitro.
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评估聚合物微球共混物中的酸酐低聚物及其对体外生物粘附和药物递送的影响。

DOI:
10.1016/s0142-9612(03)00219-9
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发表时间:
2003
期刊:
影响因子:
14
通讯作者:
Mathiowitz,E
Mathiowitz,E
中科院分区:
工程技术1区
文献类型:
--
作者:
Santos,CA;Freedman,BD;Ghosn,S;Jacob,JS;Scarpulla,M;Mathiowitz,E

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评价了向聚合物微球中加入小分子量酸酐低聚物的效果,并证明了复合材料的生物粘附性增加。研究了低分子量酸酐低聚物与热塑性聚(癸二酸酐-co-癸二酸)[p(FASA)]和聚己内酯的共混物。酸酐低聚物对聚合物微球降解,结晶度和表面形态的影响也进行了探讨。结果表明,富马酸酐低聚物在暴露于磷酸盐缓冲液后保持在聚合物微球内数小时,形成均匀的结晶共混物,增加了大鼠肠上测量的生物粘附,并增强了通过外翻囊技术测量的体外药物递送。
The effect of the addition of small molecular weight anhydride oligomers to polymer microspheres was evaluated and increased bioadhesion of the composite was demonstrated. Blends of low molecular weight anhydride oligomers with thermoplastic poly(fumaric-co-sebacic anhydride) [p(FASA)] and polycaprolactone were examined. The effects of anhydride oligomers on polymer microsphere degradation, crystallinity, and surface morphology were also explored. The results demonstrated that fumaric anhydride oligomer remained within polymer microspheres for several hours after exposure to phosphate buffer, formed a homogenous crystalline blend, increased bioadhesion as measured on rat intestine, and enhanced drug delivery in vitro as measured by the everted sac technique.
用于分析生物粘附微球的微张力计。
DOI: --
发表时间: 1995
影响因子: --
作者:
Chickering3rd,DE;Harris,WP;Mathiowitz,E
通讯作者: Mathiowitz,E
DOI: 10.1016/0032-3861(95)00632-x
发表时间: 1996
期刊: Polymer
影响因子: 4.6
作者:
A. Göpferich;Luise Schedl;R. Langer
通讯作者: R. Langer
生物粘附药物输送系统:基础知识、新方法和开发
DOI: --
发表时间: 1999
期刊:
影响因子: --
作者:
E. Mathiowitz;D. Chickering;C. Lehr
通讯作者: C. Lehr
DOI: 10.1016/s0168-3659(99)00016-4
发表时间: 1999-06-28
影响因子: 10.8
作者:
Santos, CA;Freedman, BD;Mathiowitz, E
通讯作者: Mathiowitz, E
DOI: 10.1016/0168-3659(90)90074-4
发表时间: 1990-07
影响因子: 10.8
作者:
C. Lehr;J. Bouwstra;J. Tukker;H. Junginger
通讯作者: C. Lehr;J. Bouwstra;J. Tukker;H. Junginger