Semi-interpenetrating polymer network beads of crosslinked chitosan-glycine for controlled release of chlorphenramine maleate

被引：0
|
作者：
Gupta, KC [1 ]
Kumar, MNVR [1 ]
机构：
[1] Univ Roorkee, Dept Chem, Polymer Res Lab, Roorkee 247667, Uttar Pradesh, India
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2000年 / 76卷 / 05期
关键词：
beads; chitosan; chlorphenramine maleate; controlled release; IPN; swelling degree;
D O I：
10.1002/(SICI)1097-4628(20000502)76:5<672::AID-APP9>3.0.CO;2-F
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Spherical, semi-interpenetrating polymer network beads of chitosan and glycine, crosslinked with different concentrations of glutaraldehyde were prepared for controlled release of drugs. The structural and morphological studies of the beads were carried out with FTIR and SEM techniques. The swelling behavior of the beads at different time intervals was monitored in solutions of different pH. Structural changes of the beads in response to solution pH were put forward using the data obtained from IR/UV spectral analysis. The release experiments were performed in solutions of pH 2.0 and pH 7.4 at 37 degrees C, using chlorphenramine maleate as a model drug. The results indicate that, chitosan might be useful as a vehicle for controlled release of drugs, (C) 2000 John Wiley & Sons, Inc. J Appl Polym Sci 76: 672-683.
引用
收藏
页码：672 / 683
页数：12
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