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用于食品污染物吸附与检测的金属有机框架材料。

Metal-organic frameworks for food contaminant adsorption and detection.

作者信息

Guo Xueqi, Wang Lili, Wang Linjie, Huang Qingzhen, Bu Lijuan, Wang Qiang

机构信息

Chinese People's Liberation Army Center for Disease Control and Prevention, Beijing, China.

出版信息

Front Chem. 2023 Jan 18;11:1116524. doi: 10.3389/fchem.2023.1116524. eCollection 2023.

Abstract

Metal-organic framework materials (MOFs) have been widely used in food contamination adsorption and detection due to their large specific surface area, specific pore structure and flexible post-modification. MOFs with specific pore size can be targeted for selective adsorption of some contaminants and can be used as pretreatment and pre-concentration steps to purify samples and enrich target analytes for food contamination detection to improve the detection efficiency. In addition, MOFs, as a new functional material, play an important role in developing new rapid detection methods that are simple, portable, inexpensive and with high sensitivity and accuracy. The aim of this paper is to summarize the latest and insightful research results on MOFs for the adsorption and detection of food contaminants. By summarizing Zn-based, Cu-based and Zr-based MOFs with low cost, easily available raw materials and convenient synthesis conditions, we describe their principles and discuss their applications in chemical and biological contaminant adsorption and sensing detection in terms of stability, adsorption capacity and sensitivity. Finally, we present the limitations and challenges of MOFs in food detection, hoping to provide some ideas for future development.

摘要

金属有机框架材料(MOFs)因其具有大比表面积、特定孔结构以及灵活的后修饰性,已被广泛应用于食品污染吸附与检测。具有特定孔径的MOFs可靶向选择性吸附某些污染物,并可用作预处理和预浓缩步骤,以净化样品并富集目标分析物用于食品污染检测,从而提高检测效率。此外,MOFs作为一种新型功能材料,在开发简单、便携、廉价且具有高灵敏度和准确性的新型快速检测方法中发挥着重要作用。本文旨在总结关于MOFs用于食品污染物吸附与检测的最新且有深刻见解的研究成果。通过总结以低成本、易于获取的原料及简便合成条件的锌基、铜基和锆基MOFs,我们阐述了它们的原理,并从稳定性、吸附容量和灵敏度方面讨论了它们在化学和生物污染物吸附及传感检测中的应用。最后,我们介绍了MOFs在食品检测中的局限性和挑战,希望能为未来的发展提供一些思路。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26ea/9890379/5c5d4136c212/fchem-11-1116524-g001.jpg

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