Nitrogen-doped Carbon Dots: Application of Hg Ions Detection in Rannasangpei

  • Lili Wu
  • Huirong Liu
  • Tonghua LiuEmail author
  • Caolong LiEmail author


Nitrogen-doped carbon dots(N-CDs) were hydrothermally synthesized by folic acid, which revealed excited wavelength-dependent blue emission and the specific recognition of Hg ions by fluorescence quenching. A wide range response and a fitted linear relationship for Hg ions detection were established to show that these blue-emission N-CDs achieved a satisfying Hg ions detection in Chinese traditional herb, Rannasangpei(RSNP). The results from the N-CDs FL quenching gave the similar outcomes with those from ICP-OES measurement, which exhibited the possibility of the simple FL method of Hg ions detection by N-CDs in Chinese traditional herbs.


Nitrogen-doped carbon dot Rannasangpei Hg ions detection Fluorescence quenching Chinese traditional herb 


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Copyright information

© Jilin University, The Editorial Department of Chemical Research in Chinese Universities and Springer-Verlag GmbH 2019

Authors and Affiliations

  1. 1.Tibetan Medicine Research InstituteTibetan Traditional Medical CollegeTibetP. R. China
  2. 2.School of Basic ScienceChina Pharmaceutical UniversityNanjingP. R. China
  3. 3.Beijing University of Chinese MedicineBeijingP. R. China

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