Monitoring breath hydrogen using thermoelectric sensor

W. Shin; M. Nishibori; N. Izu; T. Itoh; I. Matsubara; K. Nose; A. Shimouchi

doi:10.1166/sl.2011.1591

Monitoring breath hydrogen using thermoelectric sensor

W. Shin, M. Nishibori, N. Izu, T. Itoh, I. Matsubara, K. Nose, A. Shimouchi

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

Selective thermoelectric hydrogen sensors (THS) were used for the real time analysis of hydrogen (H₂) in the human breath. Using these breath monitoring systems, the hydrogen concentrations in the breath of four different subjects were monitored and the accuracy of these measurements was confirmed using a gas chromatograph. It was observed that the intake of the hydrogen water rapidly increased the concentration of H₂ in breath, reaching a maximum approximately 40 ppm in 10 min. Using these THS the real time monitoring of the H₂ concentration in breath was performed with the sampling time of 0.5 s and it was confirmed that the acquired data were similar to the data obtained by the gas chromatograph.

Original language	English
Pages (from-to)	684-687
Number of pages	4
Journal	Sensor Letters
Volume	9
Issue number	2
DOIs	https://doi.org/10.1166/sl.2011.1591
Publication status	Published - 2011 Apr
Externally published	Yes

Keywords

Breath analysis
Gas sensor
Hydrogen
Thermoelectric device

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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AU - Shin, W.

AU - Nishibori, M.

AU - Izu, N.

AU - Itoh, T.

AU - Matsubara, I.

AU - Nose, K.

AU - Shimouchi, A.

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AB - Selective thermoelectric hydrogen sensors (THS) were used for the real time analysis of hydrogen (H2) in the human breath. Using these breath monitoring systems, the hydrogen concentrations in the breath of four different subjects were monitored and the accuracy of these measurements was confirmed using a gas chromatograph. It was observed that the intake of the hydrogen water rapidly increased the concentration of H2 in breath, reaching a maximum approximately 40 ppm in 10 min. Using these THS the real time monitoring of the H2 concentration in breath was performed with the sampling time of 0.5 s and it was confirmed that the acquired data were similar to the data obtained by the gas chromatograph.

KW - Breath analysis

KW - Gas sensor

KW - Hydrogen

KW - Thermoelectric device

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Monitoring breath hydrogen using thermoelectric sensor

Abstract

Keywords

ASJC Scopus subject areas

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