Preprint Article Version 1 This version is not peer-reviewed

Ternary Fingerprints with Reference Odor for Fluctuation-Enhanced Sensing

Version 1 : Received: 10 February 2020 / Approved: 11 February 2020 / Online: 11 February 2020 (15:01:49 CET)

How to cite: Yu, X.; Kish, L.; Seguin, J.; King, M. Ternary Fingerprints with Reference Odor for Fluctuation-Enhanced Sensing. Preprints 2020, 2020020151 (doi: 10.20944/preprints202002.0151.v1). Yu, X.; Kish, L.; Seguin, J.; King, M. Ternary Fingerprints with Reference Odor for Fluctuation-Enhanced Sensing. Preprints 2020, 2020020151 (doi: 10.20944/preprints202002.0151.v1).

Abstract

An improved method for Fluctuation Enhanced Sensing (FES) is introduced. We enhanced the old binary fingerprinting method, where the fingerprint bit values were ± 1, by introducing ternary fingerprints utilizing a reference odor. In the ternary method, the fingerprint bit values are -1, 0, and +1 where the 0 value stands for the situation where the slope of the spectrum is identical to that of the reference odor. The application of the reference odor spectrum makes the fingerprint relative to the reference. This feature increases the information entropy of the fingerprints. The method is briefly illustrated by sensing bacterial odor in cow manure isolates.

Subject Areas

fluctuation-enhanced sensing; chemical fingerprints; bacteria; cow manure

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