A highly sensitive near-infrared fluorescent probe for cysteine and homocysteine in living cells.

@article{Kong2013AHS,
  title={A highly sensitive near-infrared fluorescent probe for cysteine and homocysteine in living cells.},
  author={Fanpeng Kong and Renpu Liu and Ranran Chu and Xu Wang and Kehua Xu and Bo Tang},
  journal={Chemical communications},
  year={2013},
  volume={49 80},
  pages={9176-8}
}
A near-infrared fluorescent probe (Cy-O-CHO) for the detection of endogenous Cys/Hcy in living cells was designed and synthesized. Cy-O-CHO exhibited high sensitivity and good selectivity to Cys/Hcy under physiological conditions with a detection limit of 7.9 nM for Cys.