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http://dx.doi.org/10.5369/JSST.2011.20.4.279

A Study on the Measurement of Halitosis of Human Mouth with Chemical Gas Sensor Arrays  

Lee, Seok-Jun (Department of Environmental Engineering, Daejeon University)
Kim, Sun-Tae (Department of Environmental Engineering, Daejeon University)
Kim, Han-Soo (Scientec Lab Center co., Ltd.)
Publication Information
Journal of Sensor Science and Technology / v.20, no.4, 2011 , pp. 279-285 More about this Journal
Abstract
This study was carried out to apply chemical gas sensors for the identification of bad breath which is one of the important sensitive problem for the humans' daily life. Seven sensors, including five semiconductor sensors and two electrochemical sensors, were tested for the three panels three times in several conditions. The results showed that the reproducibility of sensors were generally good, and electrochemical sensors showed better reproducibility while semiconductor sensors showed better sensitivity. No rinsing before measurement showed relatively better results in terms of both sensitivity and reproducibility. Semiconductor gas sensors for hydrogen sulfide shows the highest sensitivity, and it was recommended to use the odor-free bag for the measurement of bad breath.
Keywords
Chemical Gas Sensor; Semiconductor Sensor; Electrochemical Sensor; Halitosis; Bad Breath;
Citations & Related Records
Times Cited By KSCI : 8  (Citation Analysis)
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