Real-time system for monitoring the water vapour concentration and temperature of air exhaled from human lungs

被引：2

作者：

Slawek, Natalia ^{[1
]}

Kumala, Wojciech ^{[2
]}

Winkowski, Mateusz ^{[1
]}

Stacewicz, Tadeusz ^{[1
]}

机构：

[1] Univ Warsaw, Inst Expt Phys, Fac Phys, Ul Pasteura 5, PL-02923 Warsaw, Poland

[2] Univ Warsaw, Fac Phys, Inst Geophys, Ul Pasteura 5, PL-02093 Warsaw, Poland

来源：

SENSING AND BIO-SENSING RESEARCH | 2023年 / 41卷

关键词：

Laser spectroscopy; Gas sensing; Breath analysis; SURFACE-ACOUSTIC-WAVE; HUMIDITY SENSOR; BREATH TEMPERATURE; CARBON NANOTUBES; PERFORMANCE; FILMS; OXIDE; FABRICATION; LAYER; CO;

D O I：

10.1016/j.sbsr.2023.100575

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This article describes a fully optoelectronic system for measuring the H2O concentration and temperature of air exhaled from human lungs. A device consisting of both a laser hygrometer and an ultra-fast resistive thermometer. It was tested during an experiment with saturated water vapour, confirming its accuracy for measuring H2O concentration in air. Data, from a preliminary investigation of breath samples from anonymous adult volunteers, is presented.

引用

页数：6

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