A team of researchers has developed a new wearable gas sensor for environmental and health monitoring that uses a self-healing process for enhanced sensitivity. The sensor, formed by Penn State and Northeastern University, allows for quick recovery and reuse of the device, does not need an external heater, and is affordable to construct. The researchers employed a laser to create a highly porous single layer of nanomaterial, similar to graphene, for sensors that can recognize gas and biomolecules. The researchers said their next goal is to generate high-density arrays to improve the signal and make the sensors more accurate.
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