Volatile organic compounds (VOCs) are present in the mixture of gases found in the exhaled
human breath. Since their occurrence in the breath may indicate the presence of a disease …

Conspectus Sensing complex gaseous mixtures and identifying their composition and
concentration have the potential to achieve unprecedented improvements in environmental …

Since the first suggestion, during the 1950s, that high-surface-area metal oxides could be
used as conductometric gas sensors enormous efforts have been made to enhance both the …

Conspectus As a futuristic diagnosis platform, breath analysis is gaining much attention
because it is a noninvasive, simple, and low cost diagnostic method. Very promising clinical …

Formaldehyde, a common illegal additive in aquatic products, poses a threat to people's
health and lives. In this study, a novel metal oxide semiconductor gas sensor based on …

A novel chemiresistive-type sensor for detecting sub-ppm NO2 has been fabricated using
AuPt bimetal-decorated SnSe2 microflowers, which was synthesized by the hydrothermal …

Finding a non-invasive, painless and simple method for monitoring of health parameters and
early detection of physiological disorders is of utmost importance in today's world. Breath …

Nanostructured semiconducting metal oxides (SMOs) hold the potential for playing a critical
role in gas-sensing applications due to their interconnected nanograins, large surface area …

Oxide chemiresistors have mostly been used to detect reactive gases such as ethanol,
acetone, formaldehyde, nitric dioxide, and carbon monoxide. However, the selective and …

Selectivity is one of the most crucial figures of merit in trace gas sensing, and thus a
comprehensive assessment is necessary to have a clear picture of sensitivity, selectivity …