Sensors articles from across Nature Portfolio Sensors are devices that detect and quantify physical aspects of the world around us. The measurement can either be read directly or converted to a ...

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This study introduces a photoacoustic spectroscopy (PAS) gas sensor based on an all-in-one nonresonant photoacoustic cell. A finite element model (FEM) of the sensor taking into account both ...

The exploration of acetone gas sensors with excellent selectivity and high sensitivity is a critical challenge. The realization of specific adsorption of target gas by gas-sensitive materials and the ...

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