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Electrochemical Redox Behavior of 2,2-Diphenyl-1-picrylhydrazyl Radical Solubilized by β-Cyclodextrin in Water
https://repo.qst.go.jp/records/84671
https://repo.qst.go.jp/records/846712cd4b83d-d717-4e07-98af-033b08b0fbaa
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-12-23 | |||||
タイトル | ||||||
タイトル | Electrochemical Redox Behavior of 2,2-Diphenyl-1-picrylhydrazyl Radical Solubilized by β-Cyclodextrin in Water | |||||
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 |
Nakanishi, Ikuo
× Nakanishi, Ikuo× Shoji, Yoshimi× Ikuo, Nakanishi× Yoshimi, Shoji |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 2,2-Diphenyl-1-picrylhydrazyl (DPPH) radical is a water-insoluble stable radical that has been used to evaluate the activity of antioxidants as a reactivity model of reactive oxygen species. In this work, the cyclic voltammetry of the DPPH radical solubilized in water by complexation with beta-cyclodextrin was studied in phosphate buffer solutions (0.1 M, pH 6.0, 7.0, and 8.0). The DPPH radical undergoes a reversible proton-coupled reduction, where the half-wave potential linearly shifts to the negative direction as the solution pH increases. On the other hand, the cyclic voltammogram of the oxidation of the DPPH radical is quasi-reversible, indicating that the oxidized product of the DPPH radical undergoes a chemical reaction. | |||||
書誌情報 |
Electrochemistry Communications 巻 134, p. 107190, 発行日 2021-12 |
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出版者 | ||||||
出版者 | Elsevier | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1388-2481 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.elecom.2021.107190 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.sciencedirect.com/science/article/pii/S1388248121002745 |