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Author

Hong, Sung You
Synthetic Organic Chemistry Laboratory
Research Interests
  • Synthetic organic chemistry, transition metals, oxidation state

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Atomic-scale detection of organic molecules coupled to single-walled carbon nanotubes

Cited 37 times inthomson ciCited 11 times inthomson ci
Title
Atomic-scale detection of organic molecules coupled to single-walled carbon nanotubes
Author
Hong, Sung YouTobias, GerardBallesteros, BelenEl Oualid, FaridErrey, James C.Doores, Katie J.Kirkland, Angus I.Nellist, Peter D.Malcolm, L. H.Davis, Benjamin G.
Keywords
FUNCTIONALIZATION; CATALYSTS; SUGARS
Issue Date
200709
Publisher
AMER CHEMICAL SOC
Citation
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, v.129, no.36, pp.10966 - +
Abstract
Single-walled carbon nanotubes (SWNTs) functionalized with organic molecules bearing high-scattering element tags have allowed direct visualization of modification on the atomic scale. The inclusion of these tags in protecting groups allowed their subsequent removal and reincorporation to allow visualization of corresponding protection and deprotection of organic molecules on the SWNT. This method, in conjunction with direct-Staudinger ligation of glycosyl azides to surface carboxylates allowed precise incorporation of glycans to the surface of SWNTs. Resulting glyco-SWNTs interacted successfully with carbohydrate-active enzymes for the first time, allowing elaboration of the carbohydrate structure on the surface of the SWNT and demonstrating utility of these glyco-SWNTs as potential probes. Moreover, the glycosyltransferase-catalyzed transfer of [6-H-3]-D-galactosyl to the surface of the SWNT allowed site-selective radiolabeling.
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DOI
http://dx.doi.org/10.1021/ja069080i
ISSN
0002-7863
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ECHE_Journal Papers

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