Local Structure of M-DNA at the Nitrogen K-edge: Evidence Towards a Metal Ion Induced Conduction Band in DNA

Authors: Skinner, R.J.S.; Lee, J.S.; Hu, Y.F.; Jiang, D.T.; Aich, P.; Wettig, S.; Maley, J.; Sammynaiken, R.

Source: Journal of Nanoscience and Nanotechnology, Volume 5, Number 9, September 2005 , pp. 1557-1560(4)

Publisher: American Scientific Publishers

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Abstract:

M-DNA is an engineered duplex DNA that is synthesized from high doping of transition metal ions (Ni²⁺, Co²⁺ and Zn²⁺) into B-DNA at high pH. X-ray Absorption Near Edge Structure (XANES) of the Nitrogen K-edge shows remarkable differences between the doped and undoped DNA. A metal ion induced conduction band in the M-DNA is used to explain the XANES results.

Keywords: MDNA; CONDUCTOR; NICKEL; COBALT; ZINC XANES; DNA

Document Type: Research article

DOI: http://dx.doi.org/10.1166/jnn.2005.325

Publication date: 2005-09-01

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Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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