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Naslov:Real-time multi-marker measurement of organic compounds in human breath: Towards fingerprinting breath
Avtorji:ID White, Iain R., Department of Chemistry, University of Leicester, Leicester, LE1 7RH, United Kingdom (Avtor)
ID Willis, Kerry A, Department of Chemistry, University of Leicester, Leicester, LE1 7RH, United Kingdom (Avtor)
ID Whyte, Christopher, Department of Chemistry, University of Leicester, Leicester, LE1 7RH, United Kingdom (Avtor)
ID Cordell, Rebecca, Department of Chemistry, University of Leicester, Leicester, LE1 7RH, United Kingdom (Avtor)
ID Blake, Robert S, Department of Chemistry, University of Leicester, Leicester, LE1 7RH, United Kingdom (Avtor)
ID Wardlaw, Andrew J, Department of Infection, Immunity and Inflammation, University of Leicester, Glenfield Hospital, Leicester, United Kingdom (Avtor)
Datoteke: Gradivo nima datotek, ki so prostodostopne za javnost. Gradivo je morda fizično dosegljivo v knjižnici fakultete, zalogo lahko preverite v COBISS-u. Povezava se odpre v novem oknu
Jezik:Angleški jezik
Vrsta gradiva:Delo ni kategorizirano
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:UNG - Univerza v Novi Gorici
Opis:The prospects for exploiting proton transfer reaction-time of flight-mass spectrometry (PTR-ToF-MS) in medical diagnostics are illustrated through a series of case studies. Measurements of acetone levels in the breath of 68 healthy people are presented along with a longitudinal study of a single person over a period of 1 month. The median acetone concentration across the population was 484 ppbV with a geometric standard deviation (GSD) of 1.6, whilst the average GSD during the single subject longtitudinal study was 1.5. An additional case study is presented which highlights the potential of PTR-ToF-MS in pharmacokinetic studies, based upon the analysis of online breath samples of a person following the consumption of ethanol. PTR-ToF-MS comes into its own when information across a wide mass range is required, particularly when such information must be gathered in a short time during a breathing cycle. To illustrate this property, multicomponent breath analysis in a small study of cystic fibrosis patients is detailed, which provides tentative evidence that online PTR-ToF-MS analysis of tidal breath can distinguish between active infection and non-infected patients.
Ključne besede:Volatile Organic Compounds, breath, proton transfer reaction mass spectrometry, Cystic Fibrosis
Leto izida:2013
Št. strani:11
Številčenje:1, 7
PID:20.500.12556/RUNG-4640-dd4a6260-2c1b-36ca-78ff-f9a96c3be1ca Novo okno
COBISS.SI-ID:5423867 Novo okno
DOI:10.1088/1752-7155/7/1/017112 Novo okno
NUK URN:URN:SI:UNG:REP:WRX9CNKR
Datum objave v RUNG:22.07.2019
Število ogledov:3509
Število prenosov:0
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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