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Artificial olfaction in the 21st Century

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Covington, James A., Marco, Santiago, Persaud, Krishna C., Schiffman, Susan S. and Nagle, H. Troy (2021) Artificial olfaction in the 21st Century. IEEE Sensors Journal, 21 (11). pp. 12969-12990. doi:10.1109/jsen.2021.3076412

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Official URL: http://dx.doi.org/10.1109/jsen.2021.3076412

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Abstract

The human olfactory system remains one of the most challenging biological systems to replicate. Humans use it without thinking, where it can measure offer protection from harm and bring enjoyment in equal measure. It is the system’s real-time ability to detect and analyze complex odors that makes it difficult to replicate. The field of artificial olfaction has recruited and stimulated interdisciplinary research and commercial development for several applications that include malodor measurement, medical diagnostics, food and beverage quality, environment and security. Over the last century, innovative engineers and scientists have been focused on solving a range of problems associated with measurement and control of odor. The IEEE Sensors Journal has published Special Issues on olfaction in 2002 and 2012. Here we continue that coverage. In this article, we summarize early work in the 20th Century that served as the foundation upon which we have been building our odor-monitoring instrumental and measurement systems. We then examine the current state of the art that has been achieved over the last two decades as we have transitioned into the 21st Century. Much has been accomplished, but great progress is needed in sensor technology, system design, product manufacture and performance standards. In the final section, we predict levels of performance and ubiquitous applications that will be realized during in the mid to late 21st Century.

Item Type: Journal Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science > Engineering
SWORD Depositor: Library Publications Router
Library of Congress Subject Headings (LCSH): Olfactory sensors, Chemical detectors, Olfactometry, Odors, Machine learning
Journal or Publication Title: IEEE Sensors Journal
Publisher: Institute of Electrical and Electronic Engineers
ISSN: 1530-437X
Official Date: 1 June 2021
Dates:
DateEvent
1 June 2021Published
28 April 2021Available
Volume: 21
Number: 11
Page Range: pp. 12969-12990
DOI: 10.1109/jsen.2021.3076412
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
2017 SGR 1721Departament d'Universitats, Recerca i Societat de la Informació de la Generalitat de CatalunyaUNSPECIFIED
UNSPECIFIEDEuropean Social Fundhttp://dx.doi.org/10.13039/501100004895
UNSPECIFIEDInstitut de Bioenginyeria de CatalunyaUNSPECIFIED

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