One-pot synthesis of fluorescent BSA–Ce/Au nanoclusters as ratiometric pH probes

  • Ya Na Chen
  • , Po Cheng Chen
  • , Chia Wei Wang
  • , Yu Shen Lin
  • , Chung Mao Ou
  • , Lin Chen Ho
  • , Huan Tsung Chang*
  • *Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

79 Scopus citations

Abstract

A facile, one-pot synthetic approach has been developed for the preparation of BSA–Ce/Au NCs. The fluorescence intensities of BSA–Ce/Au NCs at 410 and 650 nm are pH dependent and independent, respectively. The fluorescence intensity ratio (I410/I650) is linear against pH values from 6.0 to 9.0. These stable and biocompatible BSA–Ce/Au NCs have been used as ratiometric probes for monitoring local pH values inside HeLa cells.

Original languageEnglish
Pages (from-to)8571-8574
Number of pages4
JournalChemical Communications
Volume50
Issue number62
DOIs
StatePublished - 08 07 2014
Externally publishedYes

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