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Sensors 2016, 16(9), 1548; doi:10.3390/s16091548

Electronic Nose Testing Procedure for the Definition of Minimum Performance Requirements for Environmental Odor Monitoring

Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, Milano 20133, Italy
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Academic Editor: M. Carmen Horrillo Güemes
Received: 26 May 2016 / Revised: 8 September 2016 / Accepted: 9 September 2016 / Published: 21 September 2016
(This article belongs to the Special Issue E-noses: Sensors and Applications)
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Abstract

Despite initial enthusiasm towards electronic noses and their possible application in different fields, and quite a lot of promising results, several criticalities emerge from most published research studies, and, as a matter of fact, the diffusion of electronic noses in real-life applications is still very limited. In general, a first step towards large-scale-diffusion of an analysis method, is standardization. The aim of this paper is describing the experimental procedure adopted in order to evaluate electronic nose performances, with the final purpose of establishing minimum performance requirements, which is considered to be a first crucial step towards standardization of the specific case of electronic nose application for environmental odor monitoring at receptors. Based on the experimental results of the performance testing of a commercialized electronic nose type with respect to three criteria (i.e., response invariability to variable atmospheric conditions, instrumental detection limit, and odor classification accuracy), it was possible to hypothesize a logic that could be adopted for the definition of minimum performance requirements, according to the idea that these are technologically achievable. View Full-Text
Keywords: odor detection; odor recognition; sensor array; accuracy; sensitivity; detection limit; odor concentration odor detection; odor recognition; sensor array; accuracy; sensitivity; detection limit; odor concentration
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Eusebio, L.; Capelli, L.; Sironi, S. Electronic Nose Testing Procedure for the Definition of Minimum Performance Requirements for Environmental Odor Monitoring. Sensors 2016, 16, 1548.

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