Artificial olfaction based on gas sensor arrays aims to substitute for, support, and surpass
human olfaction. Like mammalian olfaction, a larger number of sensors and more signal …

Breath analysis is an attractive strategy that holds tremendous potential to achieve non-
implantable physical health management enabled by flexible humidity sensors for breathing …

Breath sensors can revolutionize medical diagnostics by on-demand detection and
monitoring of health parameters in a noninvasive and personalized fashion. Despite …

Gas sensors have aroused much attention in recent years for the important effect in modern
society. Graphene, with unique structure and characteristic properties, has been considered …

In this work we present a methodology for the localized growth of nanowires on prespecified
areas of microhotplates that allows to independently adjust the device's resistance and its …

Carbon monoxide (CO) is a harmful gas with significant impacts on human health and the
environment. Its timely detection, especially in the event of thermal runaway in automotive …

Semiconducting metal oxide-based nanowires (SMO-NWs) for gas sensors have been
extensively studied for their extraordinary surface-to-volume ratio, high chemical and …

The demand for high performance gas sensors in IoT applications is of great interest. Gas
sensors with high sensitivity and selectivity at room temperature have been expected for …

Metal oxides are ideal for the fabrication of gas sensors: they are sensitive to many gases
while allowing the device to be simple, tiny, and inexpensive. Nonetheless, their lack of …

Developing metal oxide gas sensors for internet-of-things (IoT) and portable applications
require low-power consumption because of the limited battery in devices. This requirement …