Fluorescent Molecular Recognition for Endocrine-Disrupting Chemicals and Their Analogs by Fluorescent Hetero-Modified Cyclodextrins.
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- NARITA Miyuki
- Department of Materials-process Engineering and Applied Chemistry for Environments, Faculty of Engineering and Resource Science, Akita University
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- OGAWA Nobuaki
- Department of Materials-process Engineering and Applied Chemistry for Environments, Faculty of Engineering and Resource Science, Akita University
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- HAMADA Fumio
- Department of Materials-process Engineering and Applied Chemistry for Environments, Faculty of Engineering and Resource Science, Akita University
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Fluorescent molecular sensing for endocrine-disrupting chemicals and their analogs has been studied by investigating the fluorescence spectral change of regio-selective dansyl-tosyl-modified β- and γ-cyclodextrins upon the addition of a guest. These host compounds show pure monomer fluorescence at around 526 nm; the intensities of the guest-induced fluorescence either increase or decrease according to the accommodation of such guests as dioxin analogs, p-nonylphenol, 2,4-dichlorophenoxyacetic acid, bisphenol A, and diethylphthalate. The extent of the fluorescence variations with the guest is employed to display the sensing abilities of these hosts. The sensing parameter, ΔI/I 0 , was used to describe the sensing ability of the hosts, where I and I 0 are the fluorescence intensities in the presence and absence of a guest and ΔI=I-I 0. These hosts exhibit highly sensitive and selective molecular-recognition ability, particularly for 2,4,6-trichlorophenol and bisphenol A.
収録刊行物
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- Analytical Sciences
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Analytical Sciences 16 (7), 701-705, 2000
社団法人 日本分析化学会
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詳細情報 詳細情報について
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- CRID
- 1390282679233393664
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- NII論文ID
- 130004440288
- 10005719994
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- NII書誌ID
- AA10500785
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- COI
- 1:CAS:528:DC%2BD3cXltlylu78%3D
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- ISSN
- 13482246
- 09106340
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- NDL書誌ID
- 5472831
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可