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 …

With the development of science and technology, gas sensors have gradually expanded to
many vertical fields. However, each application requires different technical requirements for …

An emulator circuit of Memristor, Memcapacitor, and Meminductor commonly termed as
mem-elements has been demonstrated in this article. The circuit has been realized using the …

Methane is the second most important greenhouse gas after CO 2 and contributes to global
warming. Its sources are not uniformly distributed across terrestrial and aquatic ecosystems …

In this paper, a new, simple and accurate impedance measurement technique (IMT) for wide
range lossy capacitive sensor is proposed. The proposed technique accepts sensors having …

In this paper, we propose a novel current‐mode solution suitable for the square waveform
generation. The designed oscillator, which utilizes only two positive second‐generation …

A novel fully-analog lock-in amplifier for the accurate measurements of low quantities of gas
in sensor applications is here presented. When compared with commercial lock-in and other …

Density functional theory (DFT) was used to explore the adsorption and sensing behaviors
of H 2, CO, and CH 4 on PdO-doped In 2 O 3 (1 1 0) surfaces. Adsorption energy, adsorption …

In this paper we present a suitable use of Wheatstone bridge-based circuits to employ a
novel interface for both grounded and floating wide range resistive sensor estimation. The …

Chemical sensors for gas detection nowadays are widely used in several applications;
basically, electrochemical sensors and semiconductor devices are used for this purpose. In …