Identification of exposure markers in smokers' breath.

  title={Identification of exposure markers in smokers' breath.},
  author={Steven P. Gordon},
  journal={Journal of chromatography},
Volatile organic compounds present in the exhaled breath of 26 smokers and 43 non-smokers were evaluated in an effort to identify possible biochemical markers resulting from the exposure to cigarette smoke. The total ion current profiles obtained from gas chromatography-mass spectrometry (GC-MS), which contained about 230 GC-MS peaks, were first analyzed by using standard statistical procedures to select a subset of 22 peaks. The importance of the peaks was ranked using factor analysis, which… CONTINUE READING

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