纳米技术
食品安全
指纹(计算)
表面增强拉曼光谱
拉曼光谱
基质(水族馆)
计算机科学
材料科学
化学
拉曼散射
生物
物理
人工智能
食品科学
光学
生态学
作者
Chen Chen,Ximo Wang,Rui-Qiang Wang,Geoffrey I.N. Waterhouse,Xu Zhou
标识
DOI:10.1016/j.jfutfo.2023.11.003
摘要
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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