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A reversible and selective luminescent probe for Cu2+ detection based on a ruthenium(II) complex in aqueous solution

  • Yunfei Zhang
  • , Zonglun Liu
  • , Yi Zhang
  • , Yongqian Xu
  • , Hongjuan Li
  • , Chaoxia Wang*
  • , Aiping LYU
  • , Shiguo Sun
  • *Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

42 Citations (Scopus)

Abstract

A turn-off luminescent probe RuHPIP for Cu2+ detection in aqueous solution has been developed through reversible and selective complexation. Cu2+ can specifically bind with the ligand of 2-hydroxyphenyl imidazo in the RuHPIP structure and induce luminescence quenching of the sensor instantaneously under a physiological environment. The probe enabled rapid and reversible detection of Cu2+ with detection limit of 7.23 × 10-8 M, and it can image Cu2+ in live pea aphids.

Original languageEnglish
Pages (from-to)449-455
Number of pages7
JournalSensors and Actuators B: Chemical
Volume211
DOIs
Publication statusPublished - May 2015

User-Defined Keywords

  • Cu
  • Luminescent sensor
  • Pea aphids
  • Ruthenium(II) complex

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