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

Morozumi, T.; Hama, H.; Nakamura, H.

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

Morozumi, T.; Hama, H.; Nakamura, H.

Analytical Sciences, 2006, 22(5), 659-661

Permalink : https://hdl.handle.net/2115/14416

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アクセス権	open access
URI	https://hdl.handle.net/2115/14416
タイトル	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
著者	Morozumi, T. ; Hama, H. ; Nakamura, H.
e-Rad_Researcher 50271713 著者名 Morozumi, T. 諸角, 達也
著者名 Hama, H.
e-Rad_Researcher 00117194 著者名 Nakamura, H.
言語	英語
キーワード	CHARGE-TRANSFER STATES
	COMPLEXATION
	COMPLEXING BEHAVIOR
	CALCIUM
	AROMATIC AMIDES
	BARIUM IONS
	CHEMOSENSORS
発行日	2006-05
出版者	The Japan Society for Analytical Chemistry
収録物名	Analytical Sciences
巻(号)	22(5)
ページ	659-661
抄録	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.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
PISSN	0910-6340
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.2116/analsci.22.659