Electrocatalytic oxidation of DNA-wrapped carbon nanotubes.

Electrocatalytic oxidation of DNA-wrapped carbon nanotubes. Research Abstract Details 

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Electrocatalytic oxidation of DNA-wrapped carbon nanotubes. Abstract Text:

Mary E Napier,Dominic O Hull,H Holden Thorp,

The electrical properties of single-walled carbon nanotubes (CNT) are of intense interest due to applications in nanoelectronics. Cyclic voltammetry and chronoamperometry have been used to explore the Ru(bpy)32+ electrocatalytic oxidation of DNA-solubilized carbon nanotubes. Dramatic current enhancements are observed with the addition of a CNT wrapped in an oligonucleotide sequence containing no oxidizable guanines. The current enhancement observed is solely due to the oxidation of the CNT by electrogenerated Ru(III) and subsequent recycling of the metal complex redox reaction. The chronoamperometric (CA) response is biphasic, and rate constants derived from the CA response were used to develop digital simulations of the cyclic voltammograms collected at the same CNT concentrations. Ten successive C' reactions were required to account for all of the observed signal. The oxidation of the CNT is a multielectron process, and this effect arises from the multiple electron donor sites in the carbon nanotube as well as the over oxidation of each site.

Electrocatalytic oxidation of DNA-wrapped carbon nanotubes. Publishing Authors By Initials

ME Napier,DO Hull,HH Thorp,

For similar inorganic chemicals: ruthenium compounds research abstracts see: inorganic chemicals: ruthenium compounds research

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Electrocatalytic oxidation of DNA-wrapped carbon nanotubes. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Journal of the American Chemical Society

VOLUME: 127

Page Numbers: 11952-3

Journal Abbreviation: J. Am. Chem. Soc.

ISSN: 0002-7863

DAY: 31

MONTH: Aug

YEAR: 2005

Electrocatalytic oxidation of DNA-wrapped carbon nanotubes. Information

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LANGUAGE: eng

NlmUniqueID: 7503056

Electrocatalytic oxidation of DNA-wrapped carbon nanotubes. Keywords Mesh Terms:

KEYWORDS: Ruthenium Compounds

MESH TERMS: chemistry

Chemical & Substance for Abstract: Electrocatalytic oxidation of DNA-wrapped carbon nanotubes. Information

Substance Name: DNA

Registry Number: 9007-49-2

Grant and Affiliation Information for Electrocatalytic oxidation of DNA-wrapped carbon nanotubes.

AFFILIATION: Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599-3290, USA.

Country: United States

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MEDLINETA: J Am Chem Soc

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