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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F09%3A00329754%21RIV10-AV0-61388955
rdf:type
skos:Concept n17:Vysledek
dcterms:description
Using selected ion flow tube mass spectrometry (SIFT-MS), measurements have been made of the levels of several metabolites in the exhaled breath of 200 healthy school children. Thus, concentration distributions of each metabolite have been obtained for the first time in the paediatric age range. The median values (in parentheses) of the concentrations in parts per billion, ppb, were ammonia (628), acetone (297), methanol (193), ethanol (187), isoprene (37), propanol (16), acetaldehyde (23) and pentanol (15). Hydrogen cyanide was not present in the breath above the detection limit of 2 ppb in the majority of subjects. The water vapour level (humidity) of the breath samples was routinely measured as a check on the sample integrity. Such data are essential if SIFT-MS breath analyses are to be used as a clinical tool to aid diagnosis and/or as a monitor of disease in children. Using selected ion flow tube mass spectrometry (SIFT-MS), measurements have been made of the levels of several metabolites in the exhaled breath of 200 healthy school children. Thus, concentration distributions of each metabolite have been obtained for the first time in the paediatric age range. The median values (in parentheses) of the concentrations in parts per billion, ppb, were ammonia (628), acetone (297), methanol (193), ethanol (187), isoprene (37), propanol (16), acetaldehyde (23) and pentanol (15). Hydrogen cyanide was not present in the breath above the detection limit of 2 ppb in the majority of subjects. The water vapour level (humidity) of the breath samples was routinely measured as a check on the sample integrity. Such data are essential if SIFT-MS breath analyses are to be used as a clinical tool to aid diagnosis and/or as a monitor of disease in children.
dcterms:title
Concentrations of some metabolites in the breath of healthy children aged 7–18 years measured using selected ion flow tube mass spectrometry (SIFT-MS) Concentrations of some metabolites in the breath of healthy children aged 7–18 years measured using selected ion flow tube mass spectrometry (SIFT-MS)
skos:prefLabel
Concentrations of some metabolites in the breath of healthy children aged 7–18 years measured using selected ion flow tube mass spectrometry (SIFT-MS) Concentrations of some metabolites in the breath of healthy children aged 7–18 years measured using selected ion flow tube mass spectrometry (SIFT-MS)
skos:notation
RIV/61388955:_____/09:00329754!RIV10-AV0-61388955
n3:aktivita
n11:Z
n3:aktivity
Z(AV0Z40400503)
n3:cisloPeriodika
3
n3:dodaniDat
n10:2010
n3:domaciTvurceVysledku
n4:9912479
n3:druhVysledku
n13:J
n3:duvernostUdaju
n12:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
308002
n3:idVysledku
RIV/61388955:_____/09:00329754
n3:jazykVysledku
n5:eng
n3:klicovaSlova
SIFT-MS; breath analysis
n3:klicoveSlovo
n14:breath%20analysis n14:SIFT-MS
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[A8930A251459]
n3:nazevZdroje
Journal of Breath Research
n3:obor
n6:CF
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
6
n3:rokUplatneniVysledku
n10:2009
n3:svazekPeriodika
3
n3:tvurceVysledku
Brady, M. Smith, D. Španěl, Patrik Lenney, W. Enderby, B. Emmett, C.
n3:zamer
n16:AV0Z40400503
s:issn
1752-7155
s:numberOfPages
11