Chemically treated hard gelatin capsules for colon-targeted drug delivery: A novel approach

被引：25

作者：

Bajpai, SK ^{[1
]}

Bajpai, M

Dengre, R

机构：

[1] Govt Autonomous Sci Coll, Dept Chem, Jabalpur, MP, India

[2] All India Inst Med Sci, New Delhi, India

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2003年 / 89卷 / 08期

关键词：

gelatin; zero-order release; riboflavin; colon; crosslinking;

D O I：

10.1002/app.12478

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Hard gelatin capsules, containing riboflavin-loaded poly (N-vinyl-2-pyrrolidone)-polyacrylamide cylindrical hydrogels, were modified chemically by treating with an aqueous formaldehyde solution for the purpose of delayed release of drug along the gastrointestinal tract. The t(dis) (disintegration time) of capsules was studied as a function of concentration of formaldehyde solution and the treatment time. The dynamic release of vitamin B-2 was studied as a function of crosslinking ratio of the hydrogels. The device studied seems to have potential to be used for colon-targeted drug delivery. (C) 2003 Wiley Periodicals, Inc.

引用

页码：2277 / 2282

页数：6

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