At present, the majority of wearable biomarker sensors require onboard batteries to power them. While that’s perfectly acceptable for some use cases, it’s not as well-suited for tasks such as continuous tracking for medical purposes. To solve this problem, researchers from Northwestern University have developed a battery-free soft skin patch that’s able to wirelessly gather data about the body by testing sweat components. In time, the team hopes that this technology will be useful for clinical applications such as cystic fibrosis diagnosis and rehabilitation tracking among stroke survivors.
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