Isoprene and acetone concentration profiles during exercise on an ergometer.

  title={Isoprene and acetone concentration profiles during exercise on an ergometer.},
  author={Julian King and Alexander Kupferthaler and Karl Unterkofler and Helin Koc and Susanne Teschl and Gerald Teschl and Wolfram Miekisch and Jochen Schubert and Hartmann H Hinterhuber and Anton Amann},
  journal={Journal of breath research},
  volume={3 2},
A real-time recording setup combining exhaled breath volatile organic compound (VOC) measurements by proton transfer reaction-mass spectrometry (PTR-MS) with hemodynamic and respiratory data is presented. Continuous automatic sampling of exhaled breath is implemented on the basis of measured respiratory flow: a flow-controlled shutter mechanism guarantees that only end-tidal exhalation segments are drawn into the mass spectrometer for analysis. Exhaled breath concentration profiles of two… CONTINUE READING


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