A low cost, handheld E-nose for renal diseases early diagnosis
Résumé
In the last decade, the use of electronic olfaction systems for the early diagnosis of several pathologies by breath analysis has been investigated. In this study, an electronic nose including seven polyaniline sensors has been developed. An impedance measurement circuit and a microcomputer to process the sensor responses were studied to give a pre-diagnosis conclusion. The measurement accuracy is 97% when it is exposed to a simulated human breath and different concentration of ammonia, from 500 ppb to 2.8 ppm. The described prototype weights about 300 g and can be used for 14 hours with a smartphone battery.
| Origine | Fichiers produits par l'(les) auteur(s) |
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