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Scientists develop methanol breathalyser that could prevent thousands of poisonings each year | Prototype is able to detect small concentrations of the toxic substance in alcoholic drinks or on someone’s breath
Prototype is able to detect small concentrations of the toxic substance in alcoholic drinks or on someone’s breath.
“Our sensor will show that you can detect very low concentrations of methanol in a very simple way,” said co-author Prof Dusan Losic, from the University of Adelaide’s school of chemical engineering, who researches the use of nanotechnologies to address global problems in health, energy and the environment. The approach, described in the American Chemical Society journal Sensors, combined graphene – a highly sensitive and conductive substance – with a porous material called a metal organic framework, which detected methanol based on its size. “There is a pressing need for affordable, portable devices capable of quickly identifying methanol presence in breath samples and alcoholic products, suitable for use by healthcare providers or the public,” the researchers write in the article.
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