Highly sodium-selective fluoroionophore based on conformational restriction of oligoethyleneglycol-bridged biaryl boron-dipyrromethene

Koji Yamada, Yuki Nomura, Daniel Citterio, Naoko Iwasawa, Koji Suzuki

Research output: Contribution to journalArticle

85 Citations (Scopus)

Abstract

A non-PET and non-PCT fluoroionophore has been designed and synthesized based on the combination of a biaryl boron-dipyrromethene fluorophore with an oligoethyleneglycol bridge. A specific red-shift response of absorption for NaClO4 in acetonitrile was demonstrated based on conformational restriction triggered by cation recognition at the bridge. The concentration of Na+ can be determined accurately using fluorescence due to a high extinction coefficient (ε = 50000), a high fluorescence quantum yield (Φf = 0.68), and the sharpness of absorption and emission peaks of the boron-dipyrromethene derivative.

Original languageEnglish
Pages (from-to)6956-6957
Number of pages2
JournalJournal of the American Chemical Society
Volume127
Issue number19
DOIs
Publication statusPublished - 2005 May 18

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Boron
Fluorescence
Sodium
Fluorophores
Quantum yield
Acetonitrile
Cations
Positive ions
Derivatives
dipyrromethene
acetonitrile

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Highly sodium-selective fluoroionophore based on conformational restriction of oligoethyleneglycol-bridged biaryl boron-dipyrromethene. / Yamada, Koji; Nomura, Yuki; Citterio, Daniel; Iwasawa, Naoko; Suzuki, Koji.

In: Journal of the American Chemical Society, Vol. 127, No. 19, 18.05.2005, p. 6956-6957.

Research output: Contribution to journalArticle

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