Lower critical solution temperature-responsive deep eutectic solvent: a novel tool for triazole fungicide residue analysis in environmental water samples.

IF 2.6 3区化学 Q2 CHEMISTRY, ANALYTICAL

Analytical Methods Pub Date : 2025-09-24 DOI:10.1039/d5ay01159k

Xuerong Yang, Yu Wang, Linqi Shen, Xiaoyan Jiang, Panfei Li, Jinsong Liu, Zuguang Li

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Abstract

Switchable deep eutectic solvents have attracted increasing attention from researchers due to their unique characteristics of responding to the external environment. In this experiment, a series of temperature-responsive deep eutectic solvents (TRDESs) were prepared with temperature as the response condition and combined with homogeneous liquid-liquid microextraction (HLLME) for the detection of six triazole pesticides in environmental water. TRDES-HLLME achieved excellent linearity for pesticides (R² > 0.9968). The enrichment factors (EFs) ranged from 26 to 34. Additionally, the limits of detection (LODs) and the limits of quantification (LOQs) varied between 1.24 and 2.76 μg L^-1 and 4.12 to 9.19 μg L^-1, respectively. The intra-day and inter-day relative standard deviations (RSDs) of all target analytes were below 5.5% and 7.4%, respectively. Spiked recoveries ranged from 74.1% to 110.0%. TRDES-HLLME's superior greenness and broad applicability were validated through the implementation of three distinct green assessment tools.

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低临界溶液温度响应型深共熔溶剂：环境水样中三唑类杀菌剂残留分析的新工具。

可切换型深共晶溶剂因其对外部环境的响应特性而受到越来越多研究者的关注。本实验以温度为响应条件，制备了一系列温度响应型深共晶溶剂（TRDESs），并结合均相液液微萃取（HLLME）对环境水中6种三唑类农药进行了检测。TRDES-HLLME对农药具有良好的线性关系（R2 > 0.9968）。富集因子（EFs）在26 ~ 34之间。检出限（lod）和定量限（loq）分别为1.24 ~ 2.76 μ L-1和4.12 ~ 9.19 μ L-1。所有目标分析物的日内和日内相对标准偏差（rsd）分别小于5.5%和7.4%。加标回收率从74.1%到110.0%不等。通过实施三种不同的绿色评估工具，验证了trdes - hlme优越的绿色度和广泛的适用性。

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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