
The number of atomic layers of graphene and the sensing area of graphene significantly impact the responsivity and response/recovery time of graphene-based humidity sensors on SiO2/Si substrate.


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Humidity Sensing Properties of Graphene Layers on SiO2/Si Substrate


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A smartphone's compass can be used to analyze biomarkers like glucose and pH in body fluids and other liquids through a simple, low-cost sensor strip.


Researchers have figured a way to use a smartphone's magnetometer to measure sugar and pH levels.

A Fascinating Way to Measure Glucose With a Phone's Compass

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Smartphone Compass Used to Measure Glucose and pH Levels in Liquids
