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Biosensors for Food and the Environment: Is it all in the DNA?
Linköping University, Department of Physics, Chemistry and Biology, Biosensors and Bioelectronics.ORCID iD: 0000-0001-6889-0351
2013 (English)Conference paper, Abstract (Other academic)
Abstract [en]

Biosensor technology not only holds great promise for the healthcare market but it is also expected to have significant impacts in other areas such as environmental and food analysis. Between the different biosensor formats nucleic acid-based biosensors are gaining increasingly importance allowing the specific identification of DNA/RNA fragments and, more recently, the detection of biological or chemical species. Direct identification of DNA/RNA fragments, via hybridisation assays (genosensors), has been shown to be a very powerful tool for the detection of pathogens in environment and food, in food contamination analysis and food allergens monitoring. Recently the discovery of aptamers, synthetic receptors based on short functional DNA/RNA chains, has opened new opportunities for oligonucleotide based biosensors and more specifically in the detection of biological and/or chemical species, such as proteins and pollutants. In this paper an overview of the most recent advances in the development and applications of nucleic acid-based biosensors for environmental and food safety/quality application will be presented with special emphasis on electrochemical and optical hybridisation genosensors and aptasensors.

Place, publisher, year, edition, pages
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Analytical Chemistry
URN: urn:nbn:se:liu:diva-102932OAI: diva2:684578
Rapid Methods Europe 2013; Food Feed Water analysis innovations and breakthroughs
Available from: 2014-01-08 Created: 2014-01-08 Last updated: 2014-01-08

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Beni, Valerio
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Biosensors and Bioelectronics
Analytical Chemistry

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