A ratiometric fluorescent sensor for phosphates: Zn2+-enhanced ICT and ligand competition

Xiaojun Peng, Yongqian Xu, Shiguo Sun, Yunkou Wu, Jiangli Fan

Research output: Contribution to journalArticle

87 Citations (Scopus)

Abstract

A pyrene-terpyridine-Zn conjugate has been synthesized and characterized, where Zn2+ acts as an electron acceptor to enhance molecular ICT with a large emission red-shift (>100 nm). It showed a ratiometric fluorescence change upon addition of phosphate anions in buffered aqueous solution. The selective response to phosphates or pyrophosphates involved ICT and ligand competition processes. This journal is

Original languageEnglish (US)
Pages (from-to)226-228
Number of pages3
JournalOrganic and Biomolecular Chemistry
Volume5
Issue number2
DOIs
StatePublished - 2007

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phosphates
Phosphates
Ligands
ligands
Diphosphates
sensors
Sensors
pyrenes
red shift
Anions
Fluorescence
Electrons
anions
aqueous solutions
fluorescence
electrons
pyrene

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Chemistry(all)

Cite this

A ratiometric fluorescent sensor for phosphates : Zn2+-enhanced ICT and ligand competition. / Peng, Xiaojun; Xu, Yongqian; Sun, Shiguo; Wu, Yunkou; Fan, Jiangli.

In: Organic and Biomolecular Chemistry, Vol. 5, No. 2, 2007, p. 226-228.

Research output: Contribution to journalArticle

Peng, Xiaojun ; Xu, Yongqian ; Sun, Shiguo ; Wu, Yunkou ; Fan, Jiangli. / A ratiometric fluorescent sensor for phosphates : Zn2+-enhanced ICT and ligand competition. In: Organic and Biomolecular Chemistry. 2007 ; Vol. 5, No. 2. pp. 226-228.
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