Fluorometric/Electrochemical Dual-Channel Sensors Based on Carbon Quantum Dots for the Detection and Information Anti-Counterfeiting

Rui Wang,Hebing Pei,Simin He, Hui Zheng,Wanjing Liu,Xuening Jin,Xuejiao Zhang,Nijuan Liu,Ruibin Guo,Zunli Mo

Social Science Research Network（2022）

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摘要

•The quantum yield of CQDs was up to 52.64%.•The prepared CQDs can be used for the rapid detection of Fe3+ and Cys using fluorescent and electrochemical dual-channel probes.•The LOD obtained by the two channels is basically the same.

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关键词

Carbon quantum dots,Iron ion,Cysteine,Fluorescence detection,Electrochemical detection,Information anti-counterfeiting

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