Title :
First laser-based determination of deuterated water vapor in human breath
Author :
Bartlome, Richard ; Sigrist, Markus W.
Author_Institution :
Inst. for Quantum Electron., ETH Zurich, Zurich
Abstract :
Following the ingestion of only 5 mL D2O, an infrared laser spectrometer determines the D/H isotope ratio increase in exhaled water vapor for the first time. No preliminary breath sample preparation is required.
Keywords :
biomedical measurement; deuterium compounds; infrared spectrometers; laser applications in medicine; pneumodynamics; D/H isotope ratio; D2O; deuterated water vapor; human breath; infrared laser spectrometer; laser-based water vapor determination; Biomedical optical imaging; Deuterium; Humans; Infrared sensors; Infrared spectra; Instruments; Isotopes; Laser stability; Optical sensors; Spectroscopy; (120.3890) Medical optics instrumentation; (170.1610) Clinical applications; (280.3420) Laser sensors; (300.6190) Spectrometers; (300.6340) Spectroscopy, infrared; (300.6360) Spectroscopy, laser;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
