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Light-operated mechanized nanoparticles

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Light-operated mechanized nanoparticles

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dc.contributor.author Ferris, Daniel P.
dc.contributor.author Zhao, Yanli
dc.contributor.author Khashab, Niveen M.
dc.contributor.author Khatib, Hussam A.
dc.contributor.author Stoddart, J. Fraser
dc.contributor.author Zink, Jeffrey I.
dc.date.accessioned 2011-09-13T04:25:41Z
dc.date.available 2011-09-13T04:25:41Z
dc.date.copyright 2009
dc.date.issued 2011-09-13
dc.identifier.citation Ferris, D. P., Zhao, Y. L., Khashab, N. M., Khatib, H. A., Stoddart, J. F., & Zink, J. I. (2009). Light-Operated Mechanized Nanoparticles. Journal of the American Chemical Society, 131(5), 1686-1688.
dc.identifier.uri http://hdl.handle.net/10220/7043
dc.description.abstract Mesoporous silica (MCM-41) nanoparticles modified by azobenzene derivatives, capable of storing small molecules and releasing them following light irradiation, have been fabricated and characterized. In the presence of the β-cyclodextrin and/or pyrene-modified β-cyclodextrin rings, the β-cyclodextrin and/or pyrene-modified β-cyclodextrin rings will thread onto the azobenzene-containing stalks and bind to trans-azobenzene units to form the pseudorotaxanes, thus sealing the nanopores and stopping release of the cargo. Upon irradiation, the isomerization of trans-to-cis azobenzene units leads to the dissociation of the β-cyclodextrin and/or pyrene-modified β-cyclodextrin rings from the stalks, thus opening the gates to the nanopores and releasing the cargo.
dc.format.extent 3 p.
dc.language.iso en
dc.relation.ispartofseries Journal of the American chemical society
dc.rights © 2009 American Chemical Society
dc.subject DRNTU::Science::Biological sciences::Biochemistry.
dc.title Light-operated mechanized nanoparticles
dc.type Journal Article
dc.contributor.school School of Physical and Mathematical Sciences
dc.identifier.doi http://dx.doi.org/10.1021/ja807798g
dc.identifier.rims 159747

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