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Enhanced catalytic activity of enzymes interacting with nanometric titanate nanosheets
http://hdl.handle.net/10069/36048
http://hdl.handle.net/10069/360480dfe04b2-07c9-4de7-b313-76901b039401
名前 / ファイル | ライセンス | アクション |
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RSCAd5_85511.pdf (408.3 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2016-10-06 | |||||
タイトル | ||||||
タイトル | Enhanced catalytic activity of enzymes interacting with nanometric titanate nanosheets | |||||
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 | |||||
著者 |
Kamada, Kai
× Kamada, Kai× Yamada, Akane× Soh, Nobuaki |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The effect of the coexistence of titanate nanosheets (TNS) with nanometric lateral dimensions (ca. 3 nm), which were prepared through a hydrolysis reaction of titanium tetraisopropoxide, on the catalytic activity of horseradish peroxidase (HRP) was investigated as a function of solution pH. Especially in diluted HRP solutions with a pH range of 7-8, enzymatic reaction rate, i.e. maximum velocity (Vmax), in the conventional Michaelis-Menten equation, was significantly enhanced more than 2 times in the presence of TNS. In contrast, the increase in Vmax was not very large in acidic (pH = 4.0) and basic solutions (pH = 9.0). It was demonstrated that the TNS brought about peptization of aggregates composed of several HRP molecules in a diluted solution, causing an increase in the apparent HRP concentration participating in the enzymatic reaction. Moreover, the TNS activated superoxide dismutase (SOD) with O2 - scavenging performance. | |||||
書誌情報 |
RSC Advances 巻 5, 号 104, p. 85511-85516, 発行日 2015-10-05 |
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出版者 | ||||||
出版者 | Royal Society of Chemistry | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 20462069 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1039/C5RA14848K | |||||
権利 | ||||||
権利情報 | c 2015 The Royal Society of Chemistry. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | RSC Advances, 5(104), pp.85511-85516; 2015 |