Abstract
This
paper aims to discuss the usage of chitosan film sensors to detect
acetone concentrations in human breath, in order to precisely diagnose
diabetes mellitus in patients. Acetone concentration in the breath
varies from 0.3 to 0.9 ppm in healthy people to more than 1.8 ppm for
diabetics. This makes acetone a suitable chemical marker for diabetes
diagnosis. Therefore, the preliminary study on the electrical laboratory
testing of the chitosan film sensor properties to acetone
vapor-contaminated air in range of 0.1–100 ppm was carried out at room
temperature (∼25–30 °C) in normal air. Our results suggested that the
proposed acetone-based gas sensor can operate at room temperature with a
high performance demonstrated by good response, recovery, stability and
repeatability. This trouble free, painless and steadfast technique will
improve the current gold standard in diagnosing diabetes, enabling
quick and early detection.
Keywords
- Chitosan-based acetone sensor;
- Diabetes mellitus;
- Acetone vapor;
- Electrical properties;
- Electrochemical deposition
Volume 177, February 2013, Pages 522–52
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