Tuning interionic interaction by rationally controlling solution pH for highly selective colorimetric sensing of arginine

@article{Qian2016TuningII,
  title={Tuning interionic interaction by rationally controlling solution pH for highly selective colorimetric sensing of arginine},
  author={Q. Qian and Jie Hao and Wenjie Ma and Ping Yu and Lanqun Mao},
  journal={Analytical and Bioanalytical Chemistry},
  year={2016},
  volume={408},
  pages={3005-3012}
}
AbstractDirect selective sensing of arginine in central nervous systems remains very essential to understanding of the molecular basis of some physiological events. This study presents the first demonstration on a simple yet effective method for arginine sensing with gold nanoparticles (Au-NPs) as the signal readout. The rationale for the method is based on the pH-dependent feature of the interionic interaction between cysteine and arginine. At pH 6.0, cysteine can only interact with arginine… CONTINUE READING

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