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A fluorescein-based probe with high selectivity and sensitivity for sulfite detection in aqueous solution

  • Xing Ma
  • , Chunxia Liu
  • , Qiuli Shan
  • , Guohua Wei
  • , Dongbin Wei
  • , Yuguo Du
  • CAS - Research Center for Eco-Environmental Sciences
  • University of Chinese Academy of Sciences

Research output: Contribution to journalArticlepeer-review

Abstract

A "turn-on" fluorescein-based probe for sulfite detection has been established employing SO32- promoted levulinyl cleavage and concurrent generation of fluorescein. The synthesized probe exhibits high SO32- selectivity over fourteen other anion ions, and the satisfactory detection limit was 0.80 mg/L in aqueous media containing co-solvent CH3CN (1%, v/v). The probe is successfully applied for the detection of sulfite in white wine.

Original languageEnglish
Pages (from-to)1196-1200
Number of pages5
JournalSensors and Actuators, B: Chemical
Volume188
DOIs
Publication statusPublished - 2013
Externally publishedYes

Keywords

  • Chemodosimeter
  • Fluorescein
  • Levulinyl cleavage
  • Sulfite

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry

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