pH-responsive supramolecular nanovalves based on cucurbit[6]uril pseudorotaxanes

被引：416

作者：

Angelos, Sarah ^{[1
,2
]}

Yang, Ying-Wei ^{[1
,2
]}

Patel, Kaushik ^{[1
,2
]}

Stoddart, J. Fraser ^{[1
,2
]}

Zink, Jeffrey I. ^{[1
,2
]}

机构：

[1] Univ Calif Los Angeles, California Nanosyst Inst, Los Angeles, CA 90095 USA

[2] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2008年 / 47卷 / 12期

关键词：

heterogeneous catalysis; host-guest systems; mesoporous materials; molecular devices; surface chemistry;

D O I：

10.1002/anie.200705211

中图分类号：

O6 [化学];

学科分类号：

0703 [化学];

摘要：

An open and closed case: pH-controllable nanovalves that operate in water have been produced by attaching [2]pseudorotaxanes to the surface of mesoporous silica nanoparticles. The nanovalves are able to contain guest molecules (rhodamine B, red circles) within the nanopores at acidic and neutral pH values but release them on command when the pH value is raised (see picture). (Graph Presented). © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.

引用

页码：2222 / 2226

页数：5

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