Biosensors for the analysis of food- and waterborne pathogens and their toxins

Biosensors are devices which combine a biochemical recognition element with a physical transducer. There are various types of biosensors, including electrochemical, acoustical, and optical sensors. Biosensors are used for medical applications and for environmental testing. Although biosensors are no...

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Bibliographic Details
Published in:Journal of AOAC International 2006-05, Vol.89 (3), p.873-883
Main Authors: Rasooly, A, Herold, K.E
Format: Article
Language:English
Subjects:
bacterial toxins
Biosensing Techniques - methods
Biosensors
Chemistry Techniques, Analytical - methods
critical control points
Detectors
Electrochemistry - methods
Escherichia coli
Escherichia coli O157:H7
Food
food analysis
Food Analysis - methods
Food Contamination
food industry
Food Microbiology
food pathogens
food processing equipment
foods
HACCP
Ligands
Listeria monocytogenes
Medical equipment
microbial detection
Models, Chemical
Pathogenic microorganisms
Physiological apparatus
Potentiometry
Salmonella
Salmonella food poisoning
secondary metabolites
Sensors
staphylococcal intoxication
Staphylococcus aureus
Surface Plasmon Resonance
Virulence Factors
water analysis
water pollution
waterborne diseases
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Summary:Biosensors are devices which combine a biochemical recognition element with a physical transducer. There are various types of biosensors, including electrochemical, acoustical, and optical sensors. Biosensors are used for medical applications and for environmental testing. Although biosensors are not commonly used for food microbial analysis, they have great potential for the detection of microbial pathogens and their toxins in food. They enable fast or real-time detection, portability, and multipathogen detection for both field and laboratory analysis. Several applications have been developed for microbial analysis of food pathogens, including E. coli O157:H7, Staphylococcus aureus, Salmonella, and Listeria monocytogenes, as well as various microbial toxins such as staphylococcal enterotoxins and mycotoxins. Biosensors have several potential advantages over other methods of analysis, including sensitivity in the range of ng/mL for microbial toxins and
ISSN:1060-3271
1944-7922
DOI:10.1093/jaoac/89.3.873