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In this work an attempt to obtain a more compact artificial system for gas sensing, properly designed on a transducer, is presented. This novel device can be applied for a wide application range such as environmental, bio-medical, agriculture etc. fields. In the Nature, a mucous layer covering olfactory receptor cells, selectively tunes chemical interactions among odorous molecules and sensing system. An odor, in fact, is perceived only if it is able to cross mucus of nasal cavity.