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Metal Oxide Gas Sensors: Sensitivity and Influencing Factors
Sensors 2010, 10(4), 3882-3910; doi:10.3390/s100403882

Metal Oxide Sensors for Electronic Noses and Their Application to Food Analysis

CSIRO Entomology and CSIRO Food Futures Flagship, GPO Box 1700, Canberra ACT 2601, Australia
Received: 11 March 2010 / Revised: 12 April 2010 / Accepted: 13 April 2010 / Published: 15 April 2010
(This article belongs to the Special Issue Metal-Oxide Based Nanosensors)
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Electronic noses (E-noses) use various types of electronic gas sensors that have partial specificity. This review focuses on commercial and experimental E-noses that use metal oxide semi-conductors. The review covers quality control applications to food and beverages, including determination of freshness and identification of contaminants or adulteration. Applications of E-noses to a wide range of foods and beverages are considered, including: meat, fish, grains, alcoholic drinks, non-alcoholic drinks, fruits, milk and dairy products, olive oils, nuts, fresh vegetables and eggs.
Keywords: food; metal oxide semi-conductor sensor; electronic nose; E-nose food; metal oxide semi-conductor sensor; electronic nose; E-nose
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Berna, A. Metal Oxide Sensors for Electronic Noses and Their Application to Food Analysis. Sensors 2010, 10, 3882-3910.

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