稀土金属钨酸盐修饰网印碳电极电化学检测呋喃他酮类抗生素药物

S. Vinothini, T. Chiu, S. Sakthinathan
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引用次数: 0

摘要

呋喃他酮(FLD)是一种抗生素药物,广泛用于球虫病,肠道感染和火鸡黑头。此外,过度使用FLD可能对人类和家畜产生一些负面影响。因此,仍然需要实用、灵敏、选择性和简便的FLD检测方法。在这项探索中,开发了一种Eu2(WO4)3纳米颗粒修饰的丝网印刷碳电极,用于低水平检测FLD。采用水热法制备了Eu2(WO4)3配合物。用扫描电镜和x射线衍射研究证实了Eu2(WO4)3的存在。结果表明,Eu2(WO4)3结构良好,结晶性好,分布均匀。采用差分脉冲伏安法和循环伏安法研究了SPCE/Eu2(WO4)电极的电化学行为。SPCE/Eu2(WO4)电极在FLD检测中表现出较好的电催化活性,检测限为97µM (S/N = 3),线性范围为10 nM ~ 300µM,灵敏度为2.1335µaµM−1 cm−2。SPCE/Eu2(WO4)电极在其他干扰污染物离子浓度超过500倍的情况下检测FLD。对SPCE/Eu2(WO4)电极在不同抗生素药物上的实际可行性进行了测试,显示出良好的回收率。此外,SPCE/Eu2(WO4)电极具有良好的重复性、高稳定性和再现性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Electrochemical Detection of Furaltadone Antibiotic Drug by the Rare Earth Metal Tungstate Decorated Screen Printed Carbon Electrode
Furaltadone (FLD) is an antibiotic drug that is widely treated for coccidiosis, intestinal infection, and turkey blackhead. Moreover, excessive use of FLD may have some negative consequences for humans and domestic animals. Therefore, practical, sensitive, selective, and facile detection of FLD is still needed. In this exploration, a Eu2(WO4)3-nanoparticles-modified screen-printed carbon electrode was developed for the low-level detection of FLD. Hydrothermal techniques were used effectively to prepare the Eu2(WO4)3 complex. Scanning electron microscopy and X-ray diffraction investigations were used to confirm the Eu2(WO4)3. The results revealed that the Eu2(WO4)3 was well formed, crystalline, and uniformly distributed. Furthermore, the electrochemical behavior of the SPCE/Eu2(WO4) electrode was examined by differential pulse voltammetry and cyclic voltammetry studies. The SPCE/Eu2(WO4) electrode demonstrated improved electrocatalytic activity in the detection of FLD with a detection limit of 97 µM (S/N = 3), linear range of 10 nM to 300 µM, and sensitivity of 2.1335 µA µM−1 cm−2. The SPCE/Eu2(WO4) electrode detected FLD in the presence of 500-fold excess concentrations of other interfering pollutant ions. The practical feasibility of the SPCE/Eu2(WO4) electrode was tested on different antibiotic medicines and showed adequate recovery. Moreover, the SPCE/Eu2(WO4) electrode shows appreciable repeatability, high stability, and reproducibility.
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