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A ppb level, miniaturized fast response amperometric nitric oxide sensor for asthma diagnostics
KTH, School of Electrical Engineering (EES), Micro and Nanosystems.
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Applied Electrochemistry.
KTH, School of Electrical Engineering (EES), Micro and Nanosystems.
KTH, School of Electrical Engineering (EES), Micro and Nanosystems.ORCID iD: 0000-0001-9552-4234
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2013 (English)In: Micro Electro Mechanical Systems (MEMS), 2013 IEEE 26th International Conference on, New York: IEEE , 2013, 1001-1004 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper reports on a novel miniaturized MEMS-based amperometric nitric oxide sensor that is suitable for a point of care testing device for asthma. The novelty lies in the combination of a high surface area microporous structured electrode, nano-structured Nafion that is coated on the side walls of the micropores, and liquid electrolyte. This combination allows detection of very low concentration (parts-per-billion) gas, has a high sensitivity of 4 mu A/ppm/cm(2) and has both a response and a recovery time of 6 s. The sensor is integrated with a PCB potentiostat to form a complete measuring module. The limit of detection of this sensor was estimated to be 0.3 ppb.

Place, publisher, year, edition, pages
New York: IEEE , 2013. 1001-1004 p.
Series
Proceedings IEEE Micro Electro Mechanical Systems, ISSN 1084-6999
Keyword [en]
ALD, gas sensor, nitric oxide, chemical sensor
National Category
Nano Technology
Identifiers
URN: urn:nbn:se:kth:diva-108299DOI: 10.1109/MEMSYS.2013.6474416ISI: 000320549200255Scopus ID: 2-s2.0-84875463160ISBN: 978-1-4673-5654-1 (print)OAI: oai:DiVA.org:kth-108299DiVA: diva2:579858
Conference
IEEE 26th International Conference on Micro Electro Mechanical Systems, MEMS 2013; Taipei; Taiwan; 20 January 2013 through 24 January 2013
Note

QC 20130104

Available from: 2013-01-04 Created: 2012-12-20 Last updated: 2013-08-14Bibliographically approved

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Stemme, Göran

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