In the last two decades, improvements in materials, sensors and machine learning
technologies have led to a rapid extension of electronic nose (EN) related research topics …

The paper presents principle of operation and design of the most popular chemical sensors
for measurement of volatile organic compounds (VOCs) in outdoor and indoor air. It …

Gas sensors have made great progress in gas sensing performances (such as response,
sensitivity, detection limit and response speed), but they are generally affected by …

An electronic nose (e-nose) is a measuring instrument that mimics human olfaction and
outputs' fingerprint'information of mixed gases or odors. Generally speaking, an e-nose is …

Abstract Heterostructured Nb 2 O 5/SnO 2 core-shell nanorods are synthesized by a facile
hydrothermal strategy and atomic layer deposition (ALD). The SnO 2 shell thicknesses …

Electronic-nose (e-nose) instruments, derived from numerous types of aroma-sensor
technologies, have been developed for a diversity of applications in the broad fields of …

Electronic nose applications in environmental monitoring are nowadays of great interest,
because of the instruments' proven capability of recognizing and discriminating between a …

This work reports the recent results achieved at the SENSOR Lab, Brescia (Italy) to address
the selectivity of metal oxide based gas sensors. In particular, two main strategies are being …

Source characterization alone is not sufficient to account for the effective impact of odours on
citizens, which would require to quantify odours directly at receptors. However, despite a …

Waste management plants are one of the most important sources of odorants that may
cause odor nuisance. The monitoring of processes involved in the waste treatment and …