Exhaled human breath analysis is a very promising field of research work having great
potential for diagnosis of diseases in non-invasive way. Breath analysis has attracted huge …

Sensor stability is defined as the ability to maintain a relatively stable and repeatable signal
over a sufficient period. Long-term stability for gas sensors is an essential capability for …

The development of a high-performance sensing material for the detection of ammonia gas
is of significant importance due to its wide industrial presence and potential hazard risks. In …

A NO2 sensor with a detection limit down to the ppb level based on pristine SnO2 has been
developed through a facile poly (acrylic acid)-mediated hydrothermal method. SnO2 …

Electronic noses (e-noses) are devices based on combining different gas sensors'
responses to a given sample for identifying specific odor fingerprints. In recent years, this …

This paper is devoted to an investigation on the methane sensing properties of graphene
(G), decorated with silver nanoparticles (AgNPs), under ambient conditions. To do so, we …

Low power consumption, fast response and quick recovery times are important parameters
for gas sensors performance. Herein, we report the experimental and theoretical studies of …

The recent advent of stretchable gas sensors demonstrates their capabilities to detect not
only gaseous biomarkers from the human body but also toxic gas species from the exposed …

In the present work, we investigated the acetone sensing characteristics and mechanism of
SnO2 thick-films through experiments and DFT calculations. SnO2 thick film annealed at …

In recent years, advancements in micromachining techniques and nanomaterials have
enabled the fabrication of highly sensitive devices for the detection of odorous species …