Electronic States of Metal Ions Incorporated in Mn-DNA
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概要
- 論文の詳細を見る
It is known that DNA forms compounds with a variety of divalent metal ions, which are located between the bases of a base pair, and that the net charge transfer from the metal ions to DNA occurs only in the Fe-DNA case. However, the electronic states of the metal ions have not been well established, so far. The findings of this study suggest that the water molecules within the DNA double helix play an important role for the exchange coupling between the neighboring Mn ions and that the electronic states of the Mn ions in Mn-DNA are highly ionic on the basis of the Mn hyperfine splitting parameters in solution ESR spectra. The present result should be highly helpful in further investigation of engineering DNA so that it can be used for nanowires.
- 2011-11-15
著者
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Mizoguchi Kenji
Department Of Applied Physics School Of Engineering University Of Tokyo
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Ojima Masaya
Department Of Physics Tokyo Metropolitan University
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Sakamoto Hirokazu
Department Of Internal Medicine Wakayama Rosai Hospital
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Sakamoto Hirokazu
Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
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Mizoguchi Kenji
Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
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Ojima Masaya
Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
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Nagatori Mai
Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
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Ibuki Yoriko
Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
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