Formaldehyde was described in the year 1855 by the Russian scientist Alexander
Michailowitsch Butlerow. The technical synthesis by dehydration of methanol was achieved …

The presence of toxic and harmful gases utterly dangers human health and environmental
well-being. Selective detection of these gases is immediately required to meet the demands …

Gas sensors are indispensable for detecting harmful gases in the environment. The
morphology of a gas sensor significantly affects its sensing performance. Among the various …

Electrochemical sensors for detecting micromolecule organics are desirable for improving
the perception of environmental quality and human health. However, currently, the …

The field of optical chemical sensors has been a growing research area over the last three
decades. A wide range of books and review articles has been published by experts in the …

Traditional semiconducting metal oxide-based gas sensors are always limited on low
surface areas and high operating temperatures. Considering the high surface area and high …

Many methods based on spectrophotometric, fluorometric, piezoresistive, amperometric or
conductive measurements have been proposed for detecting the concentration of …

A colorimetric detection method using amine-functionalized polymer films doped with a pH
indicator has been developed for the rapid, sensitive, and quantitative detection of gaseous …

This review summarizes the different tools and concepts that are commonly applied in air
quality monitoring. The monitoring of atmosphere is extremely important as the air quality is …

Electronic sensitivity of pristine, Al-and Si-doped BC3 nanosheets to formaldehyde (H2CO)
molecule was investigated by utilizing density functional theory. It was found that H2CO is …