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Sensors (Basel). 2013 Nov 28;13(12):16292-311. doi: 10.3390/s131216292.

Aptamer-based analysis: a promising alternative for food safety control.

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  • 1Departamento de Química-Física y Analítica, Universidad de Oviedo, Julián Clavería, 8, Oviedo 33006, Spain. mjlc@uniovi.es.

Abstract

Ensuring food safety is nowadays a top priority of authorities and professional players in the food supply chain. One of the key challenges to determine the safety of food and guarantee a high level of consumer protection is the availability of fast, sensitive and reliable analytical methods to identify specific hazards associated to food before they become a health problem. The limitations of existing methods have encouraged the development of new technologies, among them biosensors. Success in biosensor design depends largely on the development of novel receptors with enhanced affinity to the target, while being stable and economical. Aptamers fulfill these characteristics, and thus have surfaced as promising alternatives to natural receptors. This Review describes analytical strategies developed so far using aptamers for the control of pathogens, allergens, adulterants, toxins and other forbidden contaminants to ensure food safety. The main progresses to date are presented, highlighting potential prospects for the future.

PMID:
24287543
[PubMed - indexed for MEDLINE]
PMCID:
PMC3892839
Free PMC Article
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