Methane, the primary component of natural gas, is a significant contributor to global warming
and climate change. It is a harmful greenhouse gas with an impact 28 times greater than …

The composition of gas or air mixture in a particular gas sensing environment greatly
influences the properties, such as surface conductivity of metallic oxide-based gas sensors …

Laser spectroscopy outperforms electrochemical and semiconductor gas sensors in
selectivity and environmental survivability. However, the performance of the state-of-the-art …

Bimetallic nanoparticles (NPs) usually exhibit some novel properties due to the synergistic
effects of the two distinct metals, which is expected to play an important role in the field of …

Photothermal interferometry is an ultra-sensitive spectroscopic means for trace chemical
detection in gas-and liquid-phase materials. Previous photothermal interferometry systems …

In the era of the Internet of Things, sensors are pivotal for a smart and interconnected future.
Gas sensors, particularly those based on carbon nanotubes (CNTs), emerge as essential …

A portable laser sensor for trace ammonia (NH 3) is developed based on near-infrared laser
absorption spectroscopy. Tunable diode laser absorption spectroscopy in conjunction with …

Sugar malabsorption in the bowel can lead to bloating, cramps, diarrhea and other
symptoms of irritable bowel syndrome as well as affecting absorption of other nutrients. The …

In order to realize early fire detection and location, a mid-infrared carbon monoxide (CO)
and carbon dioxide (CO 2) dual-gas sensor system was developed, which mainly includes a …

Efforts to create a sustainable hydrogen economy are gaining momentum as governments
all over the world are investing in hydrogen production, storage, distribution, and delivery …