In-situ construction of WO3 nanorods on the carbon microsphere composite for effective electrochemical determination of mesotrione herbicide in environmental samples

IF 5.5 3区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-06-14 DOI:10.1016/j.jtice.2025.106226

Anupriya Jeyaraman , Sivakumar Musuvadhi Babulal , Tse-Wei Chen , Sivaprakash Sengodan , Jaysan Yu , Shen-Ming Chen , Ruey-Shin Juang

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引用次数: 0

Abstract

Background

Herbicides are chemical agents that promote plant and crop growth by killing weeds and other pests. However, unconsumed and excessively used herbicides may enter groundwater and agricultural areas, damaging water, air, and soil resources. Mesotrione (MT) is an extensively used herbicide to cultivate corn, sugarcane, and vegetables. Excessive consumption of MT residues pollutes the soil, water, and environmental systems.

Methods

Henceforth, the potential electrocatalyst of the tungsten trioxide nanorods on the carbon microsphere (WO₃/C) composite was synthesized for nanomolar electrocatalytic detection of MT. The electrocatalysts of WO₃/C were synthesized hydrothermally, and the WO₃/C composite was in-situ constructed by using the reflux method.

Significant findings

Remarkably, the as-prepared WO₃/C composite displayed a fantastic sensing platform for MT, characterized by an astonishingly nanomolar detection limit (10 nm), notable sensitivity (1.284 µA µM^-1 cm^-2), exceptional selectivity, and amazing stability. The actual sample test was carried out using MT added in food and environmental samples of corn, sugar cane, sewage water, and river water. The minimum MT response recovery in vegetable and water samples was determined to be approximately 97 % and 99 %, respectively. The results indicate that the WO₃/C composite is an effective electrode material for real-time MT measurement in portable devices.

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在碳微球复合材料上原位构建WO3纳米棒用于环境样品中甲三酮类除草剂的电化学测定

除草剂是通过杀死杂草和其他害虫来促进植物和作物生长的化学制剂。然而，未消耗和过度使用的除草剂可能进入地下水和农业区，破坏水、空气和土壤资源。MT是一种广泛用于玉米、甘蔗和蔬菜种植的除草剂。过量使用MT残留物会污染土壤、水和环境系统。方法此后，在碳微球（WO3/C）复合材料上合成三氧化钨纳米棒电位电催化剂，用于纳米摩尔电催化检测MT。WO3/C电催化剂采用水热法合成，并采用回流法原位构建WO3/C复合材料。值得注意的是，制备的WO3/C复合材料显示了一个出色的MT传感平台，具有惊人的纳摩尔检测限（10 nm），显着的灵敏度（1.284µaµM-1 cm-2），出色的选择性和惊人的稳定性。实际样品试验采用玉米、甘蔗、污水、河水等食品环境样品中添加MT进行。在蔬菜和水样中测定的最小MT响应回收率分别约为97%和99%。结果表明，WO3/C复合材料是一种用于便携式设备实时MT测量的有效电极材料。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of the Taiwan Institute of Chemical Engineers 工程技术-工程：化工

CiteScore

9.10

自引率

14.00%

发文量

362

审稿时长

35 days

期刊介绍： Journal of the Taiwan Institute of Chemical Engineers (formerly known as Journal of the Chinese Institute of Chemical Engineers) publishes original works, from fundamental principles to practical applications, in the broad field of chemical engineering with special focus on three aspects: Chemical and Biomolecular Science and Technology, Energy and Environmental Science and Technology, and Materials Science and Technology. Authors should choose for their manuscript an appropriate aspect section and a few related classifications when submitting to the journal online.