Recent advances in nanomaterial-based optical biosensors for food safety applications: Ochratoxin-A detection, as case study

Global population growth tremendously impacts the global food industry, endangering food safety and quality. Mycotoxins, particularly Ochratoxin-A (OTA), emerge as a food chain production threat, since it is produced by fungus that contaminates different food species and products. Beyond this, OTA e...

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Published in:Critical reviews in food science and nutrition 2024-07, Vol.64 (18), p.6318-6360
Main Authors: Meira, Diana I., Barbosa, Ana I., Borges, Joel, Reis, Rui L., Correlo, Vitor M., Vaz, Filipe
Format: Article
Language:English
Subjects:
biosensing
Biosensing Techniques - methods
Biosensors
Carcinogens
Food chains
Food contamination
Food Contamination - analysis
Food industry
Food processing
Food production
Food quality
Food safety
Food Safety - methods
Food selection
Humans
Industrial safety
Mycotoxins
Nanomaterials
Nanostructures
Nanotechnology
Neurological diseases
Ochratoxin-A (OTA)
Ochratoxins - analysis
optical biosensors
Population growth
Population studies
Safety
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Summary:Global population growth tremendously impacts the global food industry, endangering food safety and quality. Mycotoxins, particularly Ochratoxin-A (OTA), emerge as a food chain production threat, since it is produced by fungus that contaminates different food species and products. Beyond this, OTA exhibits a possible human toxicological risk that can lead to carcinogenic and neurological diseases. A selective, sensitive, and reliable OTA biodetection approach is essential to ensure food safety. Current detection approaches rely on accurate and time-consuming laboratory techniques performed at the end of the food production process, or lateral-flow technologies that are rapid and on-site, but do not provide quantitative and precise OTA concentration measurements. Nanoengineered optical biosensors arise as an avant-garde solution, providing high sensing performance, and a fast and accurate OTA biodetection screening, which is attractive for the industrial market. This review core presents and discusses the recent advancements in optical OTA biosensing, considering engineered nanomaterials, optical transduction principle and biorecognition methodologies. Finally, the major challenges and future trends are discussed, and current patented OTA optical biosensors are emphasized for a particular promising detection method.
ISSN:1040-8398
1549-7852
1549-7852
DOI:10.1080/10408398.2023.2168248