New carbazole fluorescent sensor for ultrasensitive and ratiometric sensing of SO2 derivatives and hydrazine

Wang Li, Yonghong Hu, Yiyi Song, Yuanyun Gu, Wenge Yang

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

The probe CBTA is a novel bifunctional fluorescent probe that can detect bisulfite and hydrazine hydrate in a rational manner. And probe CBTA could specifically detect bisulfite and hydrazine hydrate among different analytes. Moreover, the response time of probe CBTA to SO2 derivatives and hydrazine is extremely short, and the detection limits for bisulfite and hydrazine are as low as 5.6 nmol and 39 nmol. Cellular experiments also indicated that the probe CBTA was low in cytotoxicity and could be applied to cellular fluorescence imaging. Therefore, the probe CBTA could provide an efficient means for detecting SO2 derivatives and hydrazine in vitro.

Original languageEnglish
Article number112269
JournalJournal of Photochemistry and Photobiology A: Chemistry
Volume389
DOIs
StatePublished - 15 Feb 2020

Keywords

  • Bioimaging
  • Bisulfite
  • Fluorescent probe
  • Hydrazine

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