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论文类型：期刊论文
发表时间：2015-10-01
发表刊物：EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY
收录刊物：SCIE、Scopus
卷号：117
期号：10
页面范围：1673-1678
ISSN号：1438-7697
关键字：CO2-responsive vesicle; N-decylimidazole; pH-responsive vesicle
摘要：Responsive vesicles have attracted great attention because they can undergo reversible changes in response to external stimuli and possess prospective applications in different environments. A pH-responsive and CO2-responsive vesicle formed by N-decylimidazole was prepared. By dynamic light scattering (DLS) and transmission electron microscopy (TEM), it is shown that spherical vesicles are formed spontaneously in N-decylimidazole aqueous solution at pH 5.8 approximate to 6.2. By HCl/NaOH adjustment, the vesicle radius increases from 73.8 to 100.8nm as the solution pH increases from 5.8 to 6.2. By CO2/Ar adjustment, the vesicles also can be formed in N-decylimidazole aqueous solution at suitable pH. The CO2-responsive vesicle can be repeatedly formed without change of vesicle size. Practical applications: The vesicles can be spontaneously formed in N-decylimidazole aqueous solution at pH 5.8 approximate to 6.2 either by HCl/NaOH adjustment or CO2/Ar stimuli. Therefore, they can be used as pH-responsive or CO2-responsive vesicles for potential applications in drug-delivery, size-selective release, biochemical reactions, and so on. In order to fabricate pH-responsive and CO2-responsive vesicles, the authors studied vesicle formation using N-decylimidazole, by HCl/NaOH or CO2/Ar adjustment. These vesicles have potential applications in drug delivery and other biochemical applications.