Isoprene levels in the exhaled breath of 200 healthy pupils within the age range 7-18 years studied using SIFT-MS

0355622 - ÚFCH JH 2011 RIV GB eng J - Článek v odborném periodiku
Smith, D. - Španěl, Patrik - Enderby, B. - Lenney, W. - Turner, C. - Davies, S. J.
Isoprene levels in the exhaled breath of 200 healthy pupils within the age range 7-18 years studied using SIFT-MS.
Journal of Breath Research. Roč. 4, č. 1 (2010), 017101. ISSN 1752-7155. E-ISSN 1752-7163
Výzkumný záměr: CEZ:AV0Z40400503
Klíčová slova: SIFT-MS * mass spectroscopy * isoprene
Kód oboru RIV: CF - Fyzikální chemie a teoretická chemie
Impakt faktor: 1.828, rok: 2010

The published results of breath isoprene studies, to date largely involving adults, are briefly reviewed with special attention given to the work done on this topic during the last 10 years using selected ion flow tube mass spectrometry, SIFT-MS. Then the new data recently obtained on isoprene levels in the exhaled breath of some 200 healthy children and young adults (pupils) with ages ranging from 7 to 18 years measured using SIFT-MS are presented in detail. A concentration distribution has been constructed from the data obtained and compared to that for healthy adults also obtained from SIFT-MS data. Although there is overlap between the two distributions, which are close to log normal in both cases, the median level for the young cohort is much lower at 37 parts-per-billion, pbb, geometric standard deviation, GSD, 2.5, compared to that for the adult cohort of 106 ppb with a GSD of 1.65.
Trvalý link: http://hdl.handle.net/11104/0194351