Sweat-powered wrap tracks glucose, vitamins, drugs from your finger
interestingengineering.com
The device fits around the finger, drawing power from an unexpected source, the very substance it analyzes for biomarkers: fingertip sweat.
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The original was posted on /r/tech by /u/chrisdh79 on 2024-09-03 09:53:20+00:00.

Original Title: Sweat-powered finger wrap tracks glucose, vitamins, drug levels in your body | The device operates using biofuel cells positioned where it contacts the fingertip, which efficiently collect and convert chemicals in sweat into electricity.