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Fast narcotics and explosives detection using a microfluidic sample interface
KTH, Skolan för elektro- och systemteknik (EES), Mikrosystemteknik.ORCID-id: 0000-0002-3996-9279
KTH, Skolan för elektro- och systemteknik (EES), Mikrosystemteknik.ORCID-id: 0000-0001-8248-6670
KTH, Skolan för elektro- och systemteknik (EES), Mikrosystemteknik.ORCID-id: 0000-0001-9552-4234
2005 (engelsk)Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

We introduce a novel method and system for fast detection of dust- and vapour-based narcotics and explosives traces. A micro fluidic vapour-to-liquid adsorption interface was built-in to an existing electronic nose instrument, reducing the detection time, machine size, weight, and cost. The system was successfully tested with 50 ng cocaine samples rendering 15 Hz frequency shifts and with 100 ng heroine samples rendering 50 Hz frequency shifts. Also the gravity invariance of the open liquid interface was successfully tested with the interface mounted up side down as well as vertically. The detection time was reduced to half of the time needed in commercial systems.

sted, utgiver, år, opplag, sider
NEW YORK: IEEE , 2005. s. 2151-2154
Serie
Transducers '05, Digest of Technical Papers ; vol. 2
Emneord [en]
biosensor, electronic nose, micro fluidic interface
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-14400DOI: 10.1109/SENSOR.2005.1497530ISI: 000232189100532Scopus ID: 2-s2.0-27544463427OAI: oai:DiVA.org:kth-14400DiVA, id: diva2:332332
Konferanse
13th International Conference on Solid-State Sensors, Actuators and Microsystems Seoul, SOUTH KOREA, JUN 05-09, 2005
Merknad
QC 20110204Tilgjengelig fra: 2010-08-04 Laget: 2010-08-04 Sist oppdatert: 2011-02-04bibliografisk kontrollert

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van der Wijngaart, WouterStemme, Göran

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Frisk, ThomasRönnholm, Davidvan der Wijngaart, WouterStemme, Göran
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