College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Street, Shanghai 201620, China ...

The solution employs around four pyroelectric infrared (PIR) sensor based hardware systems coupled with ... cluster pursuit (MCP)-algorithm-based dictionary learning for the human detection problem ...

Abstract: A graphene disk metasurface-inspired refractive index sensor (RIS) with a subwavelength structure ... biosensors with a high Q-factor and FOM with high sensitivity for the detection of amino ...

The sensor had a vitamin D detection limit of just 1 picogram per milliliter of sample, with a dynamic range of 0.1–500 nanograms per milliliter. "This range effectively covers clinically ...

A series of tests are conducted to evaluate the pressure sensing characteristics of the MX/rGO PET-based pressure sensor, confirming its good linearity, fast response speed, low detection limit, and ...

By connecting the sensor to a circuit board and an Arduino module for real-time data transmission, we've made it perfect for portable and onsite detection. "Our ultimate goal is to reduce the ...