Time variation of ammonia, acetone, isoprene and ethanol in breath: a quantitative SIFT-MS study over 30 days

• Published in: Physiological measurement Vol. 24; no. 1; pp. 107 - 119
• Main Authors: Diskin, Ann M, Španěl, Patrik, Smith, David
• Format: Journal Article
• Language: English
• Published: England IOP Publishing 01.02.2003
• Subjects: Acetaldehyde - analysis; Acetone - analysis; Adult; Aged; Air - analysis; Ammonia - analysis; Breath Tests - instrumentation; Breath Tests - methods; Butadienes - analysis; Ethanol - analysis; Female; Hemiterpenes; Humans; Male; Mass Spectrometry - methods; Pentanes; Reproducibility of Results; Respiratory Mechanics; Sensitivity and Specificity

A study of the concentrations of the common breath metabolites ammonia, acetone, isoprene, ethanol and acetaldehyde in the breath of five subjects over a period of 30 days has been carried out. Breath samples were taken and analysed in the early morning on arrival at the laboratory. The real time an...