Sensors 2009, 9(7), 5099-5148; doi:10.3390/s90705099

Applications and Advances in Electronic-Nose Technologies

1 Southern Hardwoods Laboratory, Center for Bottomland Hardwoods Research, Southern Research Station, USDA Forest Service, P.O. Box 227, Stoneville, Mississippi, 38776, USA 2 Department of Crop Science, University of Milan,Via Celoria 2, 20133, Milan, Italy
* Author to whom correspondence should be addressed.
Received: 18 May 2009; in revised form: 11 June 2009 / Accepted: 25 June 2009 / Published: 29 June 2009
(This article belongs to the Special Issue Pathogen Sensors)
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Abstract: Electronic-nose devices have received considerable attention in the field of sensor technology during the past twenty years, largely due to the discovery of numerous applications derived from research in diverse fields of applied sciences. Recent applications of electronic nose technologies have come through advances in sensor design, material improvements, software innovations and progress in microcircuitry design and systems integration. The invention of many new e-nose sensor types and arrays, based on different detection principles and mechanisms, is closely correlated with the expansion of new applications. Electronic noses have provided a plethora of benefits to a variety of commercial industries, including the agricultural, biomedical, cosmetics, environmental, food, manufacturing, military, pharmaceutical, regulatory, and various scientific research fields. Advances have improved product attributes, uniformity, and consistency as a result of increases in quality control capabilities afforded by electronic-nose monitoring of all phases of industrial manufacturing processes. This paper is a review of the major electronic-nose technologies, developed since this specialized field was born and became prominent in the mid 1980s, and a summarization of some of the more important and useful applications that have been of greatest benefit to man.
Keywords: artificial olfaction; conducting polymers; electronic aroma detection; e-nose

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MDPI and ACS Style

Wilson, A.D.; Baietto, M. Applications and Advances in Electronic-Nose Technologies. Sensors 2009, 9, 5099-5148.

AMA Style

Wilson AD, Baietto M. Applications and Advances in Electronic-Nose Technologies. Sensors. 2009; 9(7):5099-5148.

Chicago/Turabian Style

Wilson, Alphus D.; Baietto, Manuela. 2009. "Applications and Advances in Electronic-Nose Technologies." Sensors 9, no. 7: 5099-5148.

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