Led by PhD student Shanshan Yao, the researchers tested the sensor against a commercially available hydration monitor. The commercial monitor, which the researchers said uses multiple probes and costs more than $8,000, performed at the same level as their wearable sensor, which costs about $1.
The prototype sensor can be incorporated into an adhesive chest patch or wristwatch, both of which can transmit sensor data to a program on a laptop, tablet or smartphone. The researchers hope this invention can optimize the health of those who are at risk for dehydration — for example, athletes, firefighters and military personnel.
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