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New wearable sensor detects stress hormone in sweat

New wearable sensor detects stress hormone in sweat
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2018 July 20 – Stanford researchers have figured out how much cortisol someone is producing in seconds, using sweat from the skin. A wearable membrane allows charged ions, like sodium and potassium, to pass through. Cortisol, which has no charge, can’t pass, and instead blocks the charged ions. Signals sent from an electrical sensor in the patch can be used to detect these and determine how much cortisol is in the sweat. – ieee.org

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