This paper presents an overview of semiconductor materials used in gas sensors, their
technology, design, and application. Semiconductor materials include metal oxides …

In recent years, there has been growing interest in using Internet of Things (IoT) sensors to
address indoor fire hazards in smart buildings. This study conducted a systematic review of …

The leakage of hazardous gases and chemical vapors is considered one of the dangerous
accidents that can occur in laboratories, workshops, warehouses, and industrial sites that …

Detection and quantification of multiple volatile organic compounds (VOCs) are emerging as
critical requirements for several niche applications including healthcare. It is desirable to get …

Internet of Things devices are frequently used as consumer devices to provide digital
solutions, such as smart lighting and digital voice-activated assistants, but they are also …

A sensor, serving as a transducer, produces a quantifiable output in response to a
predetermined input stimulus, which may be of a chemical or physical nature. The field of …

Internet of Things devices are commonly utilized in smart homes to provide smart services
such as lighting, entertainment, and easy access, but they are also employed to warn …

2, 4, 6-trichloroanisole (TCA) is mainly responsible for cork taint in wine, which causes
significant economic losses; therefore, the wine and cork industries demand an immediate …

The integrated electronic nose (e-nose) design, which integrates sensor arrays and
recognition algorithms, has been widely used in different fields. However, the current …

In recent years, more and more occupants have suffered from respiratory illness due to poor
indoor air quality (IAQ). In order to address this issue, this paper presents a method to …