A twisted intramolecular charge transfer probe for rapid and specific detection of trace biological SO2 derivatives and bio-imaging applications

• DOI: 10.1039/c4cc08258c
• Publication Date: 2014-11-25T11:03:58Z
• Authors: Leiming Zhu; Junchao Xu; Zhe Sun; Boqiao Fu; Caiqin Qin; Lintao Zeng; Xichao Hu
• Keywords: TRACE (psycholinguistics)

We reported a reactive probe for HSO3(-), which showed colorimetric and ratiometric fluorescence response to HSO3(-) with fast (t1/2 = 20 s), good specificity low detection limit (3.0 nM). The was cell membrane permeable successfully used visualizing trace SO2 derivatives in living cells.