Ratiometric fluorescence detection of cyanide based on a hybrid coumarin–hemicyanine dye: the large emission shift and the high selectivity

Xin Lv, Jing Liu, Yun Zhao, Yuanqiang Sun, Pi Wang, Wei Guo

Chemical Communications · 2011 · 178 citations · 44 references

Concepts

Abstract

A new ratiometric fluorescent cyanide probe was developed based on the nucleophilic attack of CN(-) toward the indolium group of a hybrid coumarin-hemicyanine dye, by which high selectivity as well as large emission shift could be achieved.

References

44