On-line analysis of exhaled breath offers insight into a person's metabolism without the need
for sample preparation or sample collection. Due to its noninvasive nature and the possibility …

Gas sensors based on metal oxides semiconductor (MOS) have attracted extensive attention
from both academic and industry. ZnO, as a typical MOS, exhibits potential applications in …

Methanol poisoning causes blindness, organ failure or even death when recognized too
late. Currently, there is no methanol detector for quick diagnosis by breath analysis or for …

Breath sensors can revolutionize medical diagnostics by on-demand detection and
monitoring of health parameters in a noninvasive and personalized fashion. Despite …

Gas-sensing applications commonly use nanomaterials (NMs) because of their unique
physicochemical properties, including a high surface-to-volume ratio, enormous number of …

ZnO nanoparticles are still a hot area for research even after ample work has been done by
researchers across the world. It is a versatile material for doping of different transition metals …

A high-performance acetone gas sensor based on metal-organic frameworks (MOFs)-
derived ZnO/Co 3 O 4 nano-heterostructure was prepared by a facile precipitation reaction …

Acetone is one of the toxic, explosive, and harmful gases. It may cause several health
hazard issues such as narcosis and headache. Acetone is also regarded as a key biomarker …

Combustion aerosol technology has distinct advantages for the assembly of chemoresistive
gas sensors compared to their traditional wet chemistry synthesis. These advantages are …

Real-time breath isoprene sensing provides noninvasive methods for monitoring human
metabolism and early diagnosis of cardiovascular diseases. Nonetheless, the stable alkene …