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Dye-conjugated upconversion nanoparticles for ratiometric imaging of intracellular pH values

  • Tingchun Ma
  • , Yun Ma
  • , Shujuan Liu
  • , Lili Zhang
  • , Tianshe Yang
  • , Hui Ran Yang
  • , Wen Lv
  • , Qi Yu
  • , Wenjuan Xu
  • , Qiang Zhao
  • , Wei Huang
  • Nanjing University of Posts and Telecommunications
  • Nanjing Tech University

Research output: Contribution to journalArticlepeer-review

62 Scopus citations

Abstract

A ratiometric pH probe based on Tm3+ doped UCNPs functionalized with dye xylenol orange on the surface was developed, which can realize ratiometric pH sensing and imaging under continuous-wave excitation at 980 nm through the quenching and recovery of upconversion luminescence at 450 nm from UCNPs.

Original languageEnglish
Pages (from-to)6616-6620
Number of pages5
JournalJournal of Materials Chemistry C
Volume3
Issue number26
DOIs
StatePublished - 14 Jul 2015
Externally publishedYes

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