Monitoring trace gases with high sensitivity and selectivity is essential for environmental safety and smart monitoring systems. Recently, a research team led by Professor Baicheng Yao from Key ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

The passive PT-symmetric model for SAW sensor. a The schematic diagram of the coupled resonators model and the real part of the eigenfrequency surfaces in the parameter space (ω1=ω2=ω0=0,γ0=0). The ...

The circuit was designed to be able to obtain signals via amplitude modulation where the sensitivity and selectivity is fairly good. Amplitude Modulation AM – a method of emphasizing data on an ...

Graphene integrated silica microrod sensor converts gas adsorption into optical shifts, achieving parts per billion sensitivity with doping controlled selectivity at low power. (Nanowerk News) ...