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

86 Citations (Scopus)


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
Issue number19
Publication statusPublished - 2005 May 18


ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this