DNA-Templated Three-Branched Nanostructures for Nanoelectronic Devices
Journal of the American Chemical Society2005Vol. 127(9), pp. 2828–2829
Citations Over TimeTop 10% of 2005 papers
Héctor A. Becerril, Randall M. Stoltenberg, Dean R. Wheeler, Robert C. Davis, John N. Harb, Adam T. Woolley
Abstract
Three-branched DNA molecules have been designed and assembled from oligonucleotide components. These nucleic acid constructs contain double- and single-stranded regions that control the hybridization behavior of the assembly. Specific localization of a single streptavidin molecule at the center of the DNA complex has been investigated as a model system for the directed placement of nanostructures. Highly selective silver and copper metallization of the DNA template has also been characterized. Specific hybridization of these DNA complexes to oligonucleotide-coupled nanostructures followed by metallization should provide a bottom-up self-assembly route for the fabrication and characterization of discrete three-terminal nanodevices.
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