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Acetylene in breath: background levels and real-time elimination kinetics after smoking
University of Helsinki. (Laboratory of Physical Chemistry)ORCID-id: 0000-0002-5065-7786
Vise andre og tillknytning
2010 (engelsk)Inngår i: Journal of Breath Research, ISSN 1752-7155, E-ISSN 1752-7163, Vol. 4, nr 4, artikkel-id 046003Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We have measured the acetylene concentration in the exhaled breath of 40 volunteers (31 non-smokers, nine smokers) using near-infrared cavity ring-down spectroscopy. The acetylene levels were found to be the same as in ambient air for non-smokers, whereas elevated levels were observed for smokers. Real-time measurements with sub-second time resolution have been applied to measure the elimination kinetics of acetylene in breath after exposure to tobacco smoke. Three exponential time constants can be distinguished from the data and these can be used to define the residence times for different compartments, according to the multi-compartment model of the human body.

sted, utgiver, år, opplag, sider
Bristol, UK: Institute of Physics Publishing (IOPP), 2010. Vol. 4, nr 4, artikkel-id 046003
Emneord [en]
reaction-mass-spectrometry, exhaled breath, ethane traces, cavity ring, ptr-ms, spectroscopy, hydrocarbons, biomarkers, ethylene, region
HSV kategori
Identifikatorer
URN: urn:nbn:se:umu:diva-64490DOI: 10.1088/1752-7155/4/4/046003ISI: 000284756600004OAI: oai:DiVA.org:umu-64490DiVA, id: diva2:601744
Merknad

687DS Times Cited:2 Cited References Count:29

Tilgjengelig fra: 2013-01-30 Laget: 2013-01-30 Sist oppdatert: 2018-06-08bibliografisk kontrollert

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