Title

Non-invasive and time-dependent blood-sugar monitoring via breath-derived CO2 correlation using gas chromatograph with a milli-whistle gas analyzer

College

College of Science

Department/Unit

Physics

Document Type

Article

Source Title

Analytical Sciences

Volume

36

Issue

6

First Page

739

Last Page

743

Publication Date

1-1-2020

Abstract

A clear and positive correlation between the CO2 concentration and the blood-sugar level has been observed via a noninvasive and time-dependent monitoring of CO2 concentration from human breath, which is carried out by using a homemade gas chromatography (GC)/milli-whistle compact analyzer. The time-dependent sampling of the CO2 concentration correlated between 5.0 to 5.6% (1% = 104 ppm) in accordance with blood-sugar level variations of 80 to 110 mg/dL. The analytical method results in a rapid, continuous and non-invasive determination of blood-sugar level via measurement of the CO2 concentration exhaled from the lungs. © 2020, Japan Society for Analytical Chemistry.

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Digitial Object Identifier (DOI)

10.2116/ANALSCI.19P407

Disciplines

Physics

Keywords

Carbon dioxide; Carbon dioxide—Physiological transport; Blood sugar; Gas chromatography

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