Endogenous CO dynamics monitoring in breath by tunable diode laser

Andrian I. Kouznetsov; Eugene V. Stepanov; Yurii A. Shulagin; Vladimir A. Skrupskii

doi:10.1117/12.237670

12 April 1996 Endogenous CO dynamics monitoring in breath by tunable diode laser

Andrian I. Kouznetsov, Eugene V. Stepanov, Yurii A. Shulagin, Vladimir A. Skrupskii

Proceedings Volume 2682, Laser Diodes and Applications II; (1996) https://doi.org/10.1117/12.237670
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

High sensitive CO gas analyzer based on tunable diode laser (TDL) was used as a real time monitor of endogenous carbon monoxide in a set of breath physiology experiments. The measurements of the CO content dynamics in exhaled air with 10 ppb sensitivity were attended with detection of carbon dioxide and O₂ in breath, lung ventilation parameters, heart rate and blood analysis using conventional techniques. Variations of endogenous CO in human breath caused by hyperoxia, hypoxia, hyperventilation as well as sport loading were studied in real time. Scattering of the CO variation time constants was observed for different tested persons. Possible reasons for this scattering related with the organisms' physiology peculiarities are discussed.

Citation Download Citation

Andrian I. Kouznetsov, Eugene V. Stepanov, Yurii A. Shulagin, and Vladimir A. Skrupskii "Endogenous CO dynamics monitoring in breath by tunable diode laser", Proc. SPIE 2682, Laser Diodes and Applications II, (12 April 1996); https://doi.org/10.1117/12.237670

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