Photothermal-driven magnetic ZnFe2O4 “three-in-one” nanoplatform for interfacial enrichment and rapid screening of 3-monochloropropane-1,2-diol in edible oils

IF 10.6 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Journal of Hazardous Materials Pub Date : 2026-09-01 Epub Date: 2026-07-21 DOI:10.1016/j.jhazmat.2026.143059

Chenxi Liu, Jihan Huang, Sinuo Cheng, Huiyuan Tang, Xizhi Shi, Bo Liu, Wang Li, Bo Zhou, Jiali Ren

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引用次数: 0

Abstract

Detection of 3-MCPD in lipid-rich food matrices remains challenging due to trace analyte levels, high viscosity, and severe matrix interference. Herein, a photothermal-driven magnetic “three-in-one” sensing platform based on L-cysteine-functionalized ZnFe₂O₄ (L-ZFO) nanoparticles was developed for rapid and sensitive screening of 3-MCPD in edible oils. The multifunctional platform integrates magnetic enrichment, photothermal-assisted signal amplification, and colorimetric sensing, enabling efficient extraction and detection with minimal sample pretreatment. Benefiting from the synergistic interfacial enrichment and photothermal enhancement, the proposed method exhibited a linear range of 0.01–0.20 mg/L with a low detection limit of 1.4 μg/L. The platform showed acceptable recoveries of 75.0–92.0% and relative standard deviations below 5.8% in edible oil samples. Moreover, comparable responses obtained in buffer and oil matrices demonstrated excellent anti-interference capability toward complex lipid systems. The recyclable L-ZFO probe also exhibited good stability and reproducibility over 3 cycles. This work provides an elimination of pretreatment strategy for rapid on-site screening of 3-MCPD in edible oils.

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光热驱动磁性ZnFe2O4“三合一”纳米平台用于食用油中3-一氯丙烷-1,2-二醇的界面富集和快速筛选

由于痕量分析物水平、高粘度和严重的基质干扰，在富含脂质的食物基质中检测3-MCPD仍然具有挑战性。本研究基于l-半胱氨酸功能化纳米ZnFe2O4 （L-ZFO）光热驱动磁“三位一体”传感平台，用于快速、灵敏地筛选食用油中的3-MCPD。该多功能平台集成了磁富集、光热辅助信号放大和比色传感，能够以最少的样品预处理实现高效的提取和检测。得益于协同界面富集和光热增强，该方法在0.01 ~ 0.20 mg/L的线性范围内，低检出限为1.4 μg/L。该平台对食用油样品的可接受加样回收率为75.0 ~ 92.0%，相对标准偏差小于5.8%。此外，在缓冲液和油基质中获得的可比反应表明，对复杂的脂质系统具有出色的抗干扰能力。可回收的L-ZFO探针在3次循环中也表现出良好的稳定性和重复性。本研究为食用油中3-MCPD的快速现场筛选提供了一种消除预处理的方法。

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 Hazardous Materials 工程技术-工程：环境

CiteScore

25.40

自引率

5.90%

发文量

3059

审稿时长

58 days

期刊介绍： The Journal of Hazardous Materials serves as a global platform for promoting cutting-edge research in the field of Environmental Science and Engineering. Our publication features a wide range of articles, including full-length research papers, review articles, and perspectives, with the aim of enhancing our understanding of the dangers and risks associated with various materials concerning public health and the environment. It is important to note that the term "environmental contaminants" refers specifically to substances that pose hazardous effects through contamination, while excluding those that do not have such impacts on the environment or human health. Moreover, we emphasize the distinction between wastes and hazardous materials in order to provide further clarity on the scope of the journal. We have a keen interest in exploring specific compounds and microbial agents that have adverse effects on the environment.