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Single-walled carbon nanotubes with DNA recognition
journal contribution
posted on 2007-08-06, 00:00 authored by Wenrong YangWenrong Yang, M Moghaddam, S Taylor, B Bojarski, L Wieczorek, J Herrmann, M McCallTwo methods for attaching DNA to oxidized single-walled carbon nanotubes either in organic solvent or aqueous solution are described. The sites of DNA attachment to the nanotubes have been verified by binding gold nanoparticles modified with DNA of complementary sequence to the DNA-modified nanotubes, and imaging with TEM. The gold nanoparticles appear on the tips of the nanotubes, and at isolated positions (defects) on the sidewalls. The methods provide versatility for the modification of nanotubes with DNA for their directed assembly, or for their composites with gold nanoparticles, into nanoscale devices.
History
Journal
Chemical physics lettersVolume
443Issue
4-6Pagination
169 - 172Publisher
Elsevier BVLocation
Amsterdam , The NetherlandsPublisher DOI
ISSN
0009-2614eISSN
1873-4448Language
engPublication classification
C1.1 Refereed article in a scholarly journalCopyright notice
2007, Elsevier B.V.Usage metrics
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