【这款智能“纹身”能够监测酒精含量 超过限制就报警】

【这款智能“纹身”能够监测酒精含量  超过限制就报警】日前,加州大学圣地亚哥分校研究人员发现了测量血液酒精浓度的新方法,只需将检测装置贴在手腕上,就能通过手机查看到相关数据。这个设备由类似临时纹身贴的贴纸和柔韧的电路板组成,可从汗液中检测血液酒精含量,并通过蓝牙连接到移动设备或电脑发送数据。若佩戴者饮酒过度,它甚至会给医生或者警察发信息。

The smart stick-on tattoo that can monitor your alcohol levels - and even call police if you're over the limit

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.

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 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.

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.

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The steps take less than 8 minutes from start to finish.

In addition to connecting to vehicles' ignition interlock systems, the sensor could be a simple tool for bartenders, friends or law enforcement to use, the researchers say.

 

http://www.dailymail.co.uk/sciencetech/article-3722636/The-smart-stick-tattoo-monitor-alcohol-levels-call-police-limit.html


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