A new smart stick on tattoo will be able to monitor exactly how much a person is drinking.
The flexible patch can detect a person’s blood-alcohol level from their sweat.
It can even message doctors and even police if the wearer drinks too much.
The monitor, reported in the journal ACS Sensors, works quickly and can send results wirelessly to a smartphone or other device.
Recent research has demonstrated that sweat can be a more reliable real-time indicator of blood alcohol content.
At least two transdermal sensors have been developed to measure alcohol levels in sweat, but users have to wait up to 2 hours for results.
Joseph Wang, Patrick Mercier and colleagues at the University of California, San Diego, set out to make a more practical version.
With temporary-tattoo paper, the researchers developed a patch that tests blood alcohol content non-invasively in three rapid steps.
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Time For Truth: (Daily Mail) – The smart stick-on tattoo that can monitor your alcohol levels – and even call police if you’re over the limit