2011
DOI: 10.1080/87559129.2011.563393
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Microbial Biosensors for Environmental Monitoring and Food Analysis

Abstract: A microbial biosensor is an elaborate analytic device that uses microorganisms as recognition elements, mainly for application in environmental monitoring, food safety, military defense, and medicine. The selection and immobilization of microorganisms are key steps that must first be addressed for microbial biosensors. Currently, genetically modified microorganisms play an increasingly significant role in improving the capacity of biosensors. Electrochemical and optical types of transducers have been widely em… Show more

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Cited by 74 publications
(31 citation statements)
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References 185 publications
(200 reference statements)
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“…Molecular methods and DNA-based techniques allow fast and more authentic detection of microbial contaminants in food and help in defining the originality of species in meats, milk etc. Biosensors have also been designed to detect microbial contaminants and various hormones in food(Xu and Ying, 2011) which provide us with the advantage of high degree of specificity and sensitivity, and the possibility of being used for inline processes monitoring during food manufacturing(Viswanathan et al, 2009). A similar new molecular approach includes the use of peptide nucleic acid (PNA)-based technologies for food analysis and food authentication(Sforza et al, 2011).…”
mentioning
confidence: 99%
“…Molecular methods and DNA-based techniques allow fast and more authentic detection of microbial contaminants in food and help in defining the originality of species in meats, milk etc. Biosensors have also been designed to detect microbial contaminants and various hormones in food(Xu and Ying, 2011) which provide us with the advantage of high degree of specificity and sensitivity, and the possibility of being used for inline processes monitoring during food manufacturing(Viswanathan et al, 2009). A similar new molecular approach includes the use of peptide nucleic acid (PNA)-based technologies for food analysis and food authentication(Sforza et al, 2011).…”
mentioning
confidence: 99%
“…Biosensors have been developed for determining major and minor food components, preservatives, food colors and sweeteners, toxins, pesticides, antibiotics, and hormones [69]. They have also found use in tracking microbial contamination [70], to follow food safety [71], processing, and to certify food quality and control including the development of the so-called electronic nose [72] or electronic tongue [73] that have a large impact on flavor analysis. The advantages of these methods are the rapid response time, the high degree of specificity and sensitivity, and the possibility of being used for inline processes monitoring food manufacturing.…”
Section: Food Analysis: Current State Of the Art Methodologies And mentioning
confidence: 99%
“…Microbial biosensors are widely versatile and selective to a variety of target analytes, as they have a large range of enzymes in their cells (Lagarde and Jaffrezic-Renault 2011). The electrochemical routes, which are typically applied for microbial sensors, include conductometry, potentiometry and amperometry (Xu and Ying 2011). Currently, microbial biosensors have mainly been employed to monitor water quality, but few commercial prototypes have been utilized for monitoring water toxicity as well (Su et al 2011).…”
Section: Challenges Of Biosensors In Water Quality Monitoringmentioning
confidence: 99%