期刊
NANOSCALE
卷 14, 期 4, 页码 1250-1263出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1nr06343j
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- Ministry of Science and Technology (MOST), Taiwan [MOST 110-2113 M-027-003]
In this study, a CaWO4/RGO nanocomposite was prepared by a hydrothermal method, and it exhibited excellent electrocatalytic performance for the detection of enrofloxacin. The sensor showed a low limit of detection, a wide linear range, good selectivity, stability, and reproducibility.
In recent times, metal tungstates have received a lot of attention in various research fields. Accordingly, the CaWO4/RGO (CW/RGO) nanocomposite was prepared by a facile hydrothermal method. The electrocatalytic performance of the hydrothermally prepared CW/RGO nanocomposite was used for the electrochemical detection of the antibiotic medicine enrofloxacin (ENF). The electrocatalytic oxidation performance of ENF was examined by cyclic voltammetry (CV) and amperometry (AMP) techniques. The CV results showed the lowest anodic peak potential and the enhanced anodic peak current response compared to the other modified electrodes. Mainly, our newly proposed sensor exhibited excellent electrochemical performance with the lowest limit of detection (LOD) of 0.021 mu M, and a significant linear range of 0.001-115 mu M. Additionally, our proposed sensor exhibited good selectivity, great long-term stability, and excellent reproducibility. Then, our proposed sensor was successfully applied to detect the amount of ENF in a milk sample and river water, which exhibited good satisfactory results.
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