Clean air is probably the most essential before water for human health and well-being, but
human activities associated with socioeconomic developments are the key pollution …

Recently, the increasing level of water pollution worldwide has not only contributed to
environmental issues, but also triggered considerable interest in photocatalysis that act as …

Ion mobility analysis is a well-known analytical technique for identifying gas-phase
compounds in fast-response gas-monitoring systems. However, the conventional plasma …

The interference of humidity is a key factor to be considered in metal oxide semiconductors
gas sensing performance. However, an efficient gas detection under humid conditions is a …

Graphene and its derivatives are the hot topics of research during this decade due to their
excellent thermal conductivities, mechanical strength, current densities, electron motilities …

Reduced graphene oxide/tin dioxide (RGO/SnO2) binary nanocomposite for acetone
sensing performance was successfully studied and applied in exhaled breath detection. The …

Nowadays, the detection of volatile organic compounds (VOCs) at trace levels (down to ppb)
is feasible by exploiting ultra-sensitive and highly selective chemoresistors, especially in the …

Developing a device or material to detect volatile organic compounds (VOC) is no longer a
challenge, despite its great interest. The difficulty is linked to developing a material that does …

Abstract Hexagonal WO 3 (h-WO 3) nanorod-cluster films were controllably synthesized by a
facile template-free hydrothermal technique. The pH value and the amount of urea in the …

The quantification of gases in breath has gained significant attention as a modern diagnosis
method due to its non-invasive nature, and as a painless and straightforward method for the …