In mammals, physiological respiration involves respiratory cycles of inhaled and exhaled
breaths, which has traditionally been an underutilized resource potentially encompassing a …

Highly sensitive gas sensors with remarkably low detection limits are attractive for diverse
practical application fields including real-time environmental monitoring, exhaled breath …

The sensing performances of gas sensors must be improved and diversified to enhance
quality of life by ensuring health, safety, and convenience. Metal–organic frameworks …

High-performance gas sensors prepared using p-type oxide semiconductors such as NiO,
CuO, Cr 2 O 3, Co 3 O 4, and Mn 3 O 4 were reviewed. The ionized adsorption of oxygen on …

Electrically–transduced sensors, with their simplicity and compatibility with standard
electronic technologies, produce signals that can be efficiently acquired, processed, stored …

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 …

After the synthesis of graphene, in the first year of this century, a wide research field on two-
dimensional materials opens. 2D materials are characterized by an intrinsic high surface to …

In this review, the different important parameters having significant effects on the sensing
behavior of semiconductor metal oxide (SMO) based chemiresistive gas sensors have been …

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 …

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