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-...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(800-1800 cm-1)and the“biological-silent”region(1800-2800 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.展开更多
基金financially supported by the Innovation Ability Improvement Project of Small and Medium-Sized Technology-Based Enterprises of Shandong Province (No.2022TSGC2409)GINW acknowledges funding from the MacDiarmid Institute for Advanced Materials and Nanotechnology and the Dodd Walls Centre for Photonic and Quantum Technologies.
文摘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(800-1800 cm-1)and the“biological-silent”region(1800-2800 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.
