Facile green and one-pot synthesis of purple perilla derived carbon quantum dot as a fluorescent sensor for silver ion

In this work, biomass-derived carbon quantum dots with excellent water solubility, strong fluorescence and favorable biocompatibility were synthesized via one-step hydrothermal treatment of purple perilla for the first time

Xinyi Zhao; Sen Liao; Lumin Wang; Qi Liu; Xiaoqing Chen

2019

Scholarcy highlights

  • In this work, biomass-derived carbon quantum dots with excellent water solubility, strong fluorescence and favorable biocompatibility were synthesized via one-step hydrothermal treatment of purple perilla for the first time
  • Selective and sensitive detection of Ag+ were achieved based on as-prepared CQDs
  • Biomass-derived carbon quantum dots with excellent water solubility, strong fluorescence and favorable biocompatibility were synthesized via one-step hydrothermal treatment of purple perilla for the first time
  • Based on fluorescence quenching of CQDs, the as-prepared CQDs were innovatively developed as an effective “signal-off” fluorescent probe for selective and sensitive detection of silver ion with two linear ranges of 0–10 and 10–3000 nM, and a detection limit 1.4 nM
  • The as-prepared carbon quantum dots exhibit a low cytotoxicity and a good biocompatibility, revealing its potential bioimaging applications in living cells

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