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Substituent effect on the yield of unpaired electrons in DNA bases studied by electron paramagnetic resonance
https://repo.qst.go.jp/records/49600
https://repo.qst.go.jp/records/49600d3f8c79e-48f8-4719-84fb-a5c1c56ff708
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-02-12 | |||||
タイトル | ||||||
タイトル | Substituent effect on the yield of unpaired electrons in DNA bases studied by electron paramagnetic resonance | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
岡, 壽崇
× 岡, 壽崇× 横谷, 明徳× 藤井, 健太郎× Kino, Yasushi× Sekine, Tsutomu× 岡 壽崇× 横谷 明徳× 藤井 健太郎 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The physicochemical processes underlying the radiation sensitization of DNA by the K-shell pho-toabsorption of nitrogen and oxygen atoms are unclear. Accordingly, we evaluated electron para-magnetic resonance spectra of thin films of pyrimidine bases. By altering the substituents of the pyrimidine ring, we found a substituent effect on the yield of unpaired electrons induced by photo-absorption. The yield of the unpaired electrons of the DNA-base containing amino groups increased by the donation of electrons, and the yield of halogenated DNA-bases decreased by the withdrawal of electrons. These different physicochemical processes might affect DNA bases, leading to differ- ences in DNA modification. |
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書誌情報 |
Applied Physics Letter 巻 113, p. 243701, 発行日 2018-12 |
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出版者 | ||||||
出版者 | American Institute of Physics | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/1.5055722 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://aip.scitation.org/doi/10.1063/1.5055722 | |||||
関連名称 | https://aip.scitation.org/doi/10.1063/1.5055722 |