『徳島大学 教育・研究者情報データベース (EDB)』---[学外] /
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EID=291056EID:291056, Map:0, LastModified:2015年3月3日(火) 22:25:15, Operator:[山田 久嗣], Avail:TRUE, Censor:0, Owner:[山田 久嗣], Read:継承, Write:継承, Delete:継承.
種別 (必須): 学術論文 (審査論文) [継承]
言語 (必須): 英語 [継承]
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著者 (必須): 1.山田 久嗣 ([徳島大学.大学院社会産業理工学研究部.生物資源産業学域.応用生命系.応用生物資源学分野]/[徳島大学.生物資源産業学部.生物資源産業学科.応用生命講座])
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[継承]
2. (英) Tanabe Kazuhito (日) (読)
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[継承]
3. (英) Ito Takeo (日) (読)
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4. (英) Nishimoto Sei-ichi (日) (読)
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題名 (必須): (英) pH effect on the one-electron photooxidation of 5-methylcytosine with naphthoquinone sensitizer.  (日)    [継承]
副題 (任意):
要約 (任意): (英) The pH effect on the one-electron photooxidation of 5-methyl-2'-deoxycytidine (d(m)C) by sensitization with 1,4-naphthoquinone (NQ) was investigated. Upon photoirradiation of d(m)C in the presence of NQ under slightly acidic conditions such as pH 5.0, 5-formyl-2'- deoxycytidine (d(f)C) was formed efficiently, whereas similar NQ-photosensitized oxidation of d(m)C proceeded to lesser extent under neutral or basic conditions. Under slightly acidic conditions, dmC radical cation favors to undergo irreversible deprotonation at the C(5)-methyl group to form a methyl-centered radical, leading to a higher yield of the alkali-labile oxidation products including d(f)C. In contrast, the d(m)C radical cation competitively undergoes deprotonation at the exocyclic N(4)-amino group under neutral or basic conditions, resulting in a decreased yield of NQ-photosensitized oxidation products.  (日)    [継承]
キーワード (推奨): 1. (英) Deoxycytidine (日) (読) [継承]
2. (英) Electrons (日) (読) [継承]
3. (英) Hydrogen-Ion Concentration (日) (読) [継承]
4. (英) Naphthoquinones (日) (読) [継承]
5. (英) Oxidation-Reduction (日) (読) [継承]
6. (英) Photosensitizing Agents (日) (読) [継承]
発行所 (推奨):
誌名 (必須): Nucleic Acids Symposium Series (Symposium on Nucleic Acids Chemistry)
(pISSN: 0261-3166, eISSN: 1746-8272)

ISSN (任意): 1746-8272
ISSN: 0261-3166 (pISSN: 0261-3166, eISSN: 1746-8272)
Title: Nucleic acids symposium series
Title(ISO): Nucleic Acids Symp Ser
Publisher: Oxford University Press
 (NLM Catalog  (NLM Catalog  (Scopus  (Scopus  (CrossRef (Scopus information is found. [need login])
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(必須): 52 [継承]
(必須): 447 448 [継承]
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年月日 (必須): 西暦 2008年 0月 初日 (平成 20年 0月 初日) [継承]
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DOI (任意): 10.1093/nass/nrn227    (→Scopusで検索) [継承]
PMID (任意): 18776446    (→Scopusで検索) [継承]
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備考 (任意): 1.(英) PublicationType: Journal Article  (日)    [継承]

標準的な表示

和文冊子 ● Hisatsugu Yamada, Kazuhito Tanabe, Takeo Ito and Sei-ichi Nishimoto : pH effect on the one-electron photooxidation of 5-methylcytosine with naphthoquinone sensitizer., Nucleic Acids Symposium Series, No.52, 447-448, 2008.
欧文冊子 ● Hisatsugu Yamada, Kazuhito Tanabe, Takeo Ito and Sei-ichi Nishimoto : pH effect on the one-electron photooxidation of 5-methylcytosine with naphthoquinone sensitizer., Nucleic Acids Symposium Series, No.52, 447-448, 2008.

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