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在线翻译:
szdaily -> Tech and Science -> 
Stick-on tattoo can monitor alcohol levels
    2016-08-17  08:53    Shenzhen Daily

    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. The monitor 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 two 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. It induces sweat by delivering a small amount of the drug pilocarpine across the skin.

    An enzymatic reaction* leads to the electrochemical* detection of the alcohol content. And a flexible electronic circuit board transmits the data via a Bluetooth connection to a mobile device or laptop.

    The steps take less than eight minutes from start to finish.(SD-Agencies)

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