Electrochemically functionalized graphene for highly sensitive detection of nitrofurazone

作者：Jiaxi Yin, Hairong Cui, Ling Lei, Kangbing Wu · 发表于：The Analyst · 年份：2022 · DOI：10.1039/d2an01428a · 被引用次数：8 · 研究领域：Electrochemical sensors and biosensors、Electrochemical Analysis and Applications、Carbon and Quantum Dots Applications

EGS/GCE) possesses more oxygen-containing groups and a higher defect level. More importantly, the active response area, electron transfer ability and interface adsorption capacity of the EGS/GCE enhanced remarkably. The possible mechanism of the performance enhancement is discussed, and the sensing application of the EGS/GCE in the detection of nitrofurazone (NFZ) is investigated. Compared with the GS/GCE, the EGS/GCE is much more active for NFZ oxidation and greatly increases the detection sensitivity. As a result, a highly sensitive electrochemical detection method has been developed for NFZ, with a detection limit of 2.1 nM. The practical application of the EGS/GCE was tested in fish meat samples, showing good accuracy and feasibility.