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Potential-Induced Aggregation of Anionic Porphyrins at Liquid|Liquid Interfaces
https://doi.org/10.24517/00049543
https://doi.org/10.24517/00049543ee8c58c9-4a94-4d32-b22b-2b7a293f3b17
名前 / ファイル | ライセンス | アクション |
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SC-PR-NAGATANI-H-10134.pdf (625.3 kB)
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SC-PR-NAGATANI-H-Supporting_information.pdf (432.2 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-12-22 | |||||
タイトル | ||||||
タイトル | Potential-Induced Aggregation of Anionic Porphyrins at Liquid|Liquid Interfaces | |||||
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 | |||||
ID登録 | ||||||
ID登録 | 10.24517/00049543 | |||||
ID登録タイプ | JaLC | |||||
著者 |
Yamamoto, Sho
× Yamamoto, Sho× Nagatani, Hirohisa× Imura, Hisanori |
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著者別表示 |
永谷, 広久
× 永谷, 広久× 井村, 久則 |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学理工研究域物質化学系 | |||||
書誌情報 |
Langmuir 巻 33, 号 39, p. 10134-10142, 発行日 2017-10-03 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0743-7463 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10461730 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1021/acs.langmuir.7b01422 | |||||
出版者 | ||||||
出版者 | American Chemical Society | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The adsorption and self-aggregation of anionic porphyrins were studied at the polarized water|1,2-dichloroethane (DCE) interface by polarization-modulation total internal reflection fluorescence (PM-TIRF) spectroscopy. 5,10,15,20-Tetrakis(4-sulfonatophenyl)porphyrin diacid (H4TPPS2-) and protoporphyrin IX (H2PP2-) exhibited high surface activities at the interface. The selective excitation of interfacial species in PM-TIRF measurements elucidated the potential-induced aggregation mechanism of the porphyrins. The J-aggregates of H4TPPS2- were reversibly formed only at the water|DCE interface by applying appropriate potentials even when the porphyrins exist as monomers in the aqueous and organic solutions. In the H2PP2- system, the slow aggregation process was found in the negative potential region. The spectral characteristics and the signal phase of PM-TIRF indicated that the H2PP2- monomers were adsorbed with relatively standing orientation and that the long axis of the J-aggregates was nearly in plane of the interface. H2PP2- was also investigated at the biomimetic phospholipid-adsorbed water|DCE interface. The competitive adsorption of neutral glycerophospholipids effectively inhibited the potential-dependent adsorption and interfacial aggregation processes of H2PP2-. The results demonstrated that the aggregation state of the charged species can reversibly be controlled at liquid|liquid interfaces as a function of externally applied potential. © 2017 American Chemical Society. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Embargo Period 12 months | |||||
権利 | ||||||
権利情報 | Copyright © 2017 American Chemical Society. | |||||
権利 | ||||||
権利情報 | American Chemical Society | |||||
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 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.acs.org/content/acs/en.html | |||||
関連名称 | https://www.acs.org/content/acs/en.html |