Rapid industrialization is accompanied by the deterioration of the natural environment. The
deepening crisis associated with the ecological environment has garnered widespread …

Microelectromechanical system (MEMS)-based mass sensors are proposed as potential
candidates for highly sensitive chemical and gas detection applications owing to their …

The exceptional point (EP), a non-Hermitian degeneracy at which eigenvalues and
eigenvectors coalesce simultaneously, is investigated in mechanical oscillators involving a …

In this paper, we present a highly sensitive capacitive micromachined ultrasonic transducer
(CMUT) based resonant gravimetric humidity sensor using graphene oxide as the sensing …

A miniaturized ultrasonic sugar concentration detection system based on piezoelectric
micromachined ultrasonic transducers (PMUTs) is presented in this work. An PMUT array …

In this paper, we present highly sensitive capacitive micromachined ultrasonic transducer
(CMUT) based gravimetric humidity sensors that are fabricated with nitride-to-oxide wafer …

In this study, sodium alginate (ALG)/poly dopamine (PDA)–polyvinylpyrrolidone (PVP)
nanocomposites was synthesized via a one-step electrostatic spraying method. The …

Flexural ultrasonic transducers are robust and low cost sensors that are typically used in
industry for distance ranging, proximity sensing and flow measurement. The operating …

Nepeta essential oil (NEO) is considered to have good mosquito repellent properties, the
poor stability of which limits the application. This work was aimed at using coaxial …

Humidity sensors with comprehensive performance are of great interest for industrial and
environmental applications. Most sensors, however, have to compromise on at least one …