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Sensor identifies sodium nitrite in drinks using laser-modified cork

A team of researchers from the Federal University of São Carlos (UFSCar) in the state of São Paulo, Brazil, has developed a sensor that can identify sodium nitrite (NaNO 2) in various beverages, ...
IEEE

Angular Displacement Sensor Based on Double-Ring Resonator With a Novel Readout Circuit

Abstract: This article presents an angular displacement sensor utilizing a double-ring resonator (DRR) and introduces an integrable and low-cost readout circuit to detect the transmission zero (TZ) ...
IEEE

Nanometer-Resolution and Large-Dynamic-Range Optical Fiber Displacement Sensor Based on Single Pound–Drever–Hall Feedback Loop

Abstract: Displacement measurement with high resolution and large dynamic range is highly demanded in various fields. In this paper, a wide range nanometer displacement measurement system based on ...
C&EN

Flexible Laser-Induced Graphene Microelectrochemical Sensor on Sustainable Cellulosic Paper Substrate for Sensitive Detection of Uric Acid and Tyrosine in Sweat

Smart Micro/Nano Electromechanical Systems (SMNEMS) Laboratory, School of Advanced Technologies, Iran University of Science and Technology, Tehran 168449-1314, Iran ...