SERS-tag technology in food safety and detection: sensing from the “fingerprint” region to the “biological-silent” region

IF 5.2 Q1 FOOD SCIENCE & TECHNOLOGY

Journal of Future Foods Pub Date : 2023-12-14 DOI:10.1016/j.jfutfo.2023.11.003

Chen Chen , Ximo Wang , Ruiqiang Wang , Geoffrey I.N. Waterhouse , Zhixiang Xu

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引用次数: 0

Abstract

Surface enhanced Raman spectroscopy (SERS) offers many advantages for the fast and sensitive detection of specific compounds, metal ions or pathogens in foods, motivating to its increasing utilization in food safety. SERS-tags, typically constructed using signal enhanced substrate, Raman reporter molecules, a biocompatible protective layer and a specific recognition element, provide a powerful tool for the analysis of food hazards. This article reviews recent progress in the development of SERS-tags for food safety assessment covering SERS-tags with characteristic peaks in the “fingerprint” region (800–1 800 cm^–1) and the “biological-silent” region (1 800–2 800 cm^–1). Following a brief description of SERS substrates, the design, synthesis and applications of SERS-tag are explored in detail. The application of SERS-tags technology for the detection of microorganisms, pesticides and antibiotics are then investigated. Finally, the prospects of using SERS-tag in real-world food safety analysis are critically discussed.

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食品安全和检测中的 SERS 标签技术：从 "指纹 "区域到 "生物静默 "区域的传感

表面增强拉曼光谱（SERS）在快速灵敏地检测食品中的特定化合物、金属离子或病原体方面具有许多优势，因此在食品安全领域的应用日益广泛。SERS 标签通常由信号增强基底、拉曼报告分子、生物相容性保护层和特定识别元件构成，是分析食品危害的有力工具。本文回顾了用于食品安全评估的 SERS 标签开发的最新进展，包括在 "指纹 "区域（800-1800 cm-1）和 "生物沉默 "区域（1800-2800 cm-1）具有特征峰的 SERS 标签。在简要介绍了 SERS 基底之后，详细探讨了 SERS 标签的设计、合成和应用。然后研究了 SERS 标签技术在微生物、杀虫剂和抗生素检测中的应用。最后，对 SERS-tag 在实际食品安全分析中的应用前景进行了深入探讨。

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来源期刊

Journal of Future Foods

CiteScore

5.80

自引率

0.00%

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