Journal
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
Volume 113, Issue -, Pages 74-83Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2019.01.012
Keywords
Colorimetric sensors; Electrochemical sensors; Fluorescence sensor; Food contaminants; Nanoparticles
Categories
Funding
- National Key RD Program [2017YFC1600306]
- National Natural Science Foundation of China [21874058, 51802125]
- Self-determined Research Program of Jiangnan University [JUSRP51715A]
- Taishan Industry Leading Talent Special Funds
- Suzhou Science and Technology Committee Program [SNG201617]
- Changshu Science and Technology Committee Program [CS201605]
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With the frequent occurrence of food scandals, food safety has become a topical issue throughout society. Various contaminants present in food can cause foodborne illnesses, posing a serious threat to human health, so an efficient and reliable method for the assessment of food is urgently required. Recently, nanoparticle (NP)-based sensors have emerged as a potential alternative or complementary analytical tool to conventional detection methods, which are time consuming and laborious. NPs such as gold, silver, and magnetic nanoparticles have attracted much attention to amplify the detection signal and provide higher sensitivity. This review summarizes the various NP-based sensors, explaining their principles and discussing their applications in the detection of pesticides, metals, pathogens, antibiotics, and mycotoxins in terms of their sensitivity and multiplexing capabilities. The limitations and challenges of NP-based technology in the rapid and reliable monitoring of food are also considered. (C) 2019 Elsevier B.V. All rights reserved.
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