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用于α-生育酚递送的分子印迹聚合物。

Molecularly imprinted polymers for alpha-tocopherol delivery.

作者信息

Puoci Francesco, Cirillo Giuseppe, Curcio Manuela, Iemma Francesca, Parisi Ortensia Ilaria, Castiglione Mariarosaria, Picci Nevio

机构信息

Dipartimento di Scienze Farmaceutiche, Università della Calabria, Arcavacata di Rende, Italy.

出版信息

Drug Deliv. 2008 May;15(4):253-8. doi: 10.1080/10717540802006724.

Abstract

Biomedical applications of antioxidants have increased dramatically since the link between human diseases and oxidative stress was established. This paper focuses on alpha -tocopherol and on the possibility of employing molecularly imprinted polymers as a controlled release device for alpha-tocopherol in gastrointestinal simulating fluids. Polymers were synthesized using methacrylic acid as functional monomer and ethylene glycol dimethacrylate as cross-linker. Considerable differences in recognition characteristics between imprinted and non-imprinted polymers, both in organic and in aqueous media, were observed. Imprinted polymers bound much more alpha-tocopherol and showed a controlled/sustained drug release capacity in gastrointestinal simulating fluids.

摘要

自从人类疾病与氧化应激之间的联系被确立以来,抗氧化剂的生物医学应用急剧增加。本文重点关注α-生育酚,以及在胃肠道模拟液中使用分子印迹聚合物作为α-生育酚控释装置的可能性。以甲基丙烯酸为功能单体、乙二醇二甲基丙烯酸酯为交联剂合成了聚合物。在有机介质和水性介质中,均观察到印迹聚合物和非印迹聚合物在识别特性上存在显著差异。印迹聚合物结合了更多的α-生育酚,并在胃肠道模拟液中表现出控释/缓释药物的能力。

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