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 …

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 …

In the past few decades, the development of chemosensors has become an important
research topic in supramolecular analytical chemistry, and as a result, it has attracted the …

This article is an overview of the present and ongoing developments in the field of
nanomaterial-based sensors for enabling fast, relatively inexpensive and minimally (or non-) …

Abstract Undoped and 0.2-1.0 mol% Rh-doped SnO 2 nanofibers were fabricated using
electrospinning combined with calcination treatment. The fibrous morphology of these …

Semiconductor gas sensors using metal oxides, carbon nanotubes, graphene-based
materials, and metal chalcogenides have been reviewed from the viewpoint of the sensitive …

NiO/ZnO composites were synthesized by decorating numerous NiO nanoparticles on the
surfaces of well dispersed ZnO hollow spheres using a facile solvothermal method. Various …

Highly selective detection, rapid response (< 20 s), and superior sensitivity (R air/R gas> 50)
against specific target gases, particularly at the 1 ppm level, still remain considerable …

Gas sensors are employed in many applications including detection of toxic and
combustible gases, monitoring emissions from vehicles and other combustion processes …

Nanomaterials with exceptional physical and chemical properties are the key to the success
of the next generation of gas sensor technology, which is expected to have special features …