Pyrene-appended α-cyclodextrin as a fluorescent pH probe responding to a wide range

Iwao Suzuki; Mihoko Ui; Akiyo Yamauchi

doi:10.2116/analsci.22.655

Pyrene-appended α-cyclodextrin as a fluorescent pH probe responding to a wide range

Iwao Suzuki, Mihoko Ui, Akiyo Yamauchi

MED - United Centers for Advanced Research and Translational Medicine (ART)

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Pyrene-appended α-cyclodextrin (3) in which a trimethylenediamine linker connected the pyrene residue to the α-cyclodextrin moiety showed pH-dependent fluorescence intensity changes. The fluorescence intensity was almost linearly changed within the pH range of 5 - 10. The unique fluorescence response of 3 to the pH was due not only to the favorable pK_a values (pK_a1 = 6.4 and pK_a2 = 8.8), but also to the almost equal contributions of the amino groups to the pyrene's fluorescence quenching. 2006

Original language	English
Pages (from-to)	655-657
Number of pages	3
Journal	analytical sciences
Volume	22
Issue number	5
DOIs	https://doi.org/10.2116/analsci.22.655
Publication status	Published - 2006 May

ASJC Scopus subject areas

Analytical Chemistry

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10.2116/analsci.22.655

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abstract = "Pyrene-appended α-cyclodextrin (3) in which a trimethylenediamine linker connected the pyrene residue to the α-cyclodextrin moiety showed pH-dependent fluorescence intensity changes. The fluorescence intensity was almost linearly changed within the pH range of 5 - 10. The unique fluorescence response of 3 to the pH was due not only to the favorable pKa values (pKa1 = 6.4 and pKa2 = 8.8), but also to the almost equal contributions of the amino groups to the pyrene's fluorescence quenching. 2006",

author = "Iwao Suzuki and Mihoko Ui and Akiyo Yamauchi",

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AB - Pyrene-appended α-cyclodextrin (3) in which a trimethylenediamine linker connected the pyrene residue to the α-cyclodextrin moiety showed pH-dependent fluorescence intensity changes. The fluorescence intensity was almost linearly changed within the pH range of 5 - 10. The unique fluorescence response of 3 to the pH was due not only to the favorable pKa values (pKa1 = 6.4 and pKa2 = 8.8), but also to the almost equal contributions of the amino groups to the pyrene's fluorescence quenching. 2006

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Pyrene-appended α-cyclodextrin as a fluorescent pH probe responding to a wide range

Abstract

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