首页> 外文会议>Symposium on innovative polymers for controlled delivery: Abstract book. >FORMATION AND CONTROLLED RELEASE OF THE INCLUSION COMPLEX OF WATER SOLUBLE MODEL DRUG NEUTRAL RED WITH β-CYCLODEXTRIN GRAFTED SODIUM ALGINATE
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FORMATION AND CONTROLLED RELEASE OF THE INCLUSION COMPLEX OF WATER SOLUBLE MODEL DRUG NEUTRAL RED WITH β-CYCLODEXTRIN GRAFTED SODIUM ALGINATE

机译:β-环糊精接枝的海藻酸钠对水溶性模型中性红的包合物的形成及控制释放

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A biodegradable and biocompatible polymer,β-cyclodextrin grafted sodium alginate (β-CD-g-ALG) was synthesized. The inclusion formation and drug release of water soluble model drug neutral red (NR) with β -CD-g-ALG were studied in comparison with β-cyclodextrin (β-CD). The results showed that the inclusion constants of NR with β-CD (NR-β-CD) and β-CD-g-ALG (NR-β-CD-g-ALG) were 575 L/mol and 6.65×104 L/mol, respectively. The NR loading content, release time and amount released from NR-β-CD-g-ALG were 23, 1.3, 30 times as high as those from NR-β-CD, respectively. These excellent inclusion and release abilities due to some kind of synergistic effect of β-CD and alginate polymer chain could be significant for the controlled delivery of water soluble drugs.
机译:合成了可生物降解的生物相容性聚合物,β-环糊精接枝海藻酸钠(β-CD-g-ALG)。与β-环糊精(β-CD)比较,研究了β-CD-g-ALG与水溶性模型药物中性红(NR)的包合物形成和药物释放。结果表明,NR与β-CD(NR-β-CD)和β-CD-g-ALG(NR-β-CD-g-ALG)的夹杂常数分别为575 L / mol和6.65×104 L / mol。摩尔。 NR-β-CD-g-ALG的NR负载量,释放时间和释放量分别是NR-β-CD的23倍,1.3倍和30倍。由于β-CD和藻酸盐聚合物链的某种协同作用,这些优异的包合和释放能力对于水溶性药物的控制传递可能具有重要意义。

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