Infrared spectroscopy on poly(dG)-poly(dC) DNA at low hydration
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概要
- 論文の詳細を見る
Infrared absorption measurements have been made on dry samples of poly(dG)-poly(dC) DNA at various relative humidity and temperatures. The water content, controlled by the relative humidity, reduces as temperature increases and reaches a very low value of ～ 0.1 wpn above 120℃. This minimum water content is maintained when the samples are brought back to room temperature as long as they are kept at the relative humidity of ～0 %. The molecular vibrations, which characterize the backbone structure as well as the base stacking and pairing, indicate that our samples maintain an A-form double helical structure at all the values of water content. The disorder in the base stacking is observed as the result of the decrease of the water content. Additionally the denaturation appears at high temperatures above 100℃, which reversibly disappears with decreasing temperature.
- 社団法人日本物理学会の論文
- 2007-02-15
著者
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KURODA Noritaka
Department of Materials Science and Engineering, Graduate School of Science and Technology, Kumamoto
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KAWAI Tomoji
The Institute of Scientific and Industrial Research, Osaka University
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Yokoi Hiroyuki
Department Of Materials Science And Engineering Graduate School Of Science And Technology Kumamoto U
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Yokoi Hiroyuki
Department Of Cardiology Kokura Memorial Hospital
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ABDURAKHMAN Hasanudin
Center for Interdisciplinary Research, Tohoku University
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TAJIRI Kenji
Department of Materials Science and Engineering, Graduate School of Science and Technology, Kumamoto
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MATSUI Hiroshi
Center for Interdisciplinary Research, Tohoku University
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YANAGIMACHI Takeshi
Physics Department, Graduate School of Science, Tohoku University
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TANIGUCHI Masateru
The Institute of Scientific and Industrial Research, Osaka University
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TOYOTA Naoki
Center for Interdisciplinary Research, Tohoku University
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Toyota N
Physics Department Graduate School Of Science Tohoku University
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Namiki Takahisa
Institute For Materials Research Tohoku University
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Toyota Naoki
Physics Department Graduate School Of Science Tohoku University:center For Interdisciplinary Researc
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Kuroda Noritaka
Department Of Materials Science And Engineering Graduate School Of Science And Technology Kumamoto U
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Minaguchi Hiroshi
Department Of Obstetrics And Gynecology Yokohama City University School Of Medicinedepartment Of Obs
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Kawai Tomoji
The Institute Of Science And Industrial Research (isir-sanken) Osaka University
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Abdurakhman Hasanudin
Center For Interdisciplinary Research Tohoku University
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Yanagimachi Takeshi
Physics Department Graduate School Of Science Tohoku University
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Taniguchi Masateru
The Institute Of Scientific And Industrial Research Osaka University
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Tajiri Kenji
Department Of Materials Science And Engineering Graduate School Of Science And Technology Kumamoto U
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Matsui Hiroshi
Graduate School Of Science Osaka University
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Matsui Hiroshi
Physics Department Graduate School Of Science Tohoku University:center For Interdisciplinary Researc
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Muranaka Hiroshi
Graduate School Of Science Osaka University
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Toyota Naoki
Physics Department Graduate School Of Science Tohoku University:center For Interdisciplinary Researc
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Matsui Hiroshi
Physics Department Graduate School Of Science Tohoku University:center For Interdisciplinary Researc
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Terada N
Musashi Inst. Technology Tokyo
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TANIGUCHI Masateru
The Institute of Scientific and Industrial Research (ISIR), Osaka University
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