Dual-controlled nanoparticles exhibiting and logic

被引：0
|
作者：
Angelos, Sarah [1 ]
Yang, Ying-Wei [1 ,3 ]
Khashab, Niveen M. [2 ]
Stoddart, J. Fraser [2 ]
Zink, Jeffrey I. [1 ]
机构：
[1] Department of Chemistry and Biochemistry, California NanoSystems Institute, University of California, Los Angeles, CA 90095, United States
[2] Department of Chemistry, Northwestern University, Evanston, IL 60208, United States
[3] Department of Chemistry, University of California, Irvine, CA 92697, United States
来源：
Journal of the American Chemical Society | 2009年 / 131卷 / 32期
关键词：
(Figure Presented) Dual-controlled nanoparticles (DCNPs) are synthesized by attaching two different types of molecular machines; light-responsive nanoimpellers and pH-responsive nanovalves; to different regions of mesoporous silica nanoparticles. Nanoimpellers are based on azobenzene derivatives that are tethered to the nanopore interiors; while nanovalves are based on [2] pseudorotaxanes that are tethered to the nanoparticle surfaces. The different molecular machines operate through separate mechanisms to control the release of guest molecules that are loaded into the nanopores. When used in conjunction with one another; a sophisticated controllable release system behaving as an AND logic gate is obtained. © 2009 American Chemical Society;
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页码：11344 / 11346
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