In the last two decades, improvements in materials, sensors and machine learning
technologies have led to a rapid extension of electronic nose (EN) related research topics …

Electronic noses have potential applications in daily life, but are restricted by their bulky size
and high price. This review focuses on the use of chemiresistive gas sensors, metal-oxide …

Chemical sensors have been widely used for the analysis of volatile organic compounds.
Employing chemical sensors in an array format with pattern recognition provides a higher …

The portable electronic nose (E-nose) systems are suffering from the limited computing
ability of microcontrollers and can only adopt simple pattern recognition algorithms. The …

Food safety issues across the global food supply chain have become paramount in
promoting public health safety and commercial success of global food industries. As food …

Volatile organic compound (VOC) detection is a topic of growing interest with applications in
diverse fields, ranging from environmental uses to the food or chemical industries. Optical …

Significant effort has been made in the development of an artificial nose system for various
applications. Advances in sensor technology have facilitated the development of high …

Poor air quality, particularly in urban areas, causes various diseases and degrades living
standards. Air quality could be affected by emissions of odor, Volatile Organic Compounds …

Aroma assessment remains difficult and uncertain in the present sensory assessment
system. It is highly desirable to develop a new assessment method to discriminate the …

In this study, we investigated the combined effects of MoS2 QDs' catalytic properties and the
colorimetric responses of organic reagents to create a sniffing device based on the sensor …