Many research groups in academia and industry are focusing on the performance
improvement of electronic nose (E-nose) systems mainly involving three optimizations …

Signal and data processing are essential elements in electronic noses as well as in most
chemical sensing instruments. The multivariate responses obtained by chemical sensor …

To improve the poor selectivity of a semiconductor gas-sensor system, an array of sensors
can be utilized. However, this increases the system's size and power consumption. To …

Electronic noses (e-noses) employ an array of chemical gas sensors and have been widely
used for the analysis of volatile organic compounds. Pattern recognition provides a higher …

Desired properties of a chemical sensor include high sensitivity, a large dynamic range, high
selectivity or specificity to a target analyte, related low cross-sensitivity to interferents, perfect …

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 …

Drift is an important issue that impairs the reliability of gas sensing systems. Sensor aging,
memory effects and environmental disturbances produce shifts in sensor responses that …

In this study, we analyzed the transient of microsensors based on tin oxide sol–gel thin film.
A novel method to this research field for data analysis and discrimination among different …

Nonselective gas sensor array has different sensitivities to different chemicals in which each
gas sensor will also produce different voltage signals when exposed to an analyte with …

Low-level detection of ethanol and H2S was achieved with thermally modulated WO3
nanoparticle gas sensors. Nanoparticle WO3 films, with a mean grain size of∼ 5nm and a …