The "Off-On" fluorescence detection of alkaline earth metal ions by using 1-naphthylacetanilide derivatives : New cation sensors based on oligoethylene oxides connecting 1-naphthylacetanilide at its terminals
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概要
- 論文の詳細を見る
New fluorescent ionophores containing the 1-naphthylacetanilide moiety based on oligo-ethylene oxide (1(4) and 1(5)) have been synthesized, and their photochemical behaviors have been studied. In the absence of a metal ion, the 1-naphthylacetanilide moiety showed a weak fluorescence emission (fluorescence "off state"). However, complexation with Ca2+ induced a large enhancement effect on the fluorescence intensity of 1(4) and 1(5) from the naphthalene ring (fluorescence "on" state). This behavior can be explained in terms of a similar twisted intramolecular charge-transfer relaxation mechanism. Such "off-on" fluorescence responses of 1(4) and 1(5) provide the digital detection of alkaline earth metal ions.
- The Japan Society for Analytical Chemistryの論文
- 2006-05-10
著者
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Nakamura Hiroshi
Section of Orthopedic Spinal Surgery, Department of Frontier Surgical Therapeutics, Division of Adva
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Morozumi Tatsuya
Research Faculty Of Environmental Earth Science Hokkaido University
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Morozumi Tatsuya
Section Of Materials Science Faculty Of Environmental Earth Science Hokkaido University
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HAMA Hiroya
Division of Environmental Materials Science, Graduate School of Environmental Science, Hokkaido Univ
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Hama Hiroya
Division Of Environmental Materials Science Graduate School Of Environmental Science Hokkaido Univer
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Nakamura Hiroshi
Department Of Analytical Chemistry Faculty Of Pharmaceutical Sciences Tokyo University Of Science
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Nakamura Hiroshi
Research Faculty Of Environmental Earth Science Hokkaido University
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Nakamura Hiroshi
Section Of Materials Science Faculty Of Environmental Earth Science Hokkaido University
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