A scientist from China’s Tsinghua University has developed a graphene tattoo-like electronic skin that could be used as biological sensor for medical applications.
Electronic skin is an important biomedical sensor that is flexible and stretchable, with high sensitivity and comfort. It can sense body conditions such as pressure, temperature and heart beat. Due to graphene’s flexibility and conductivity, it is an ideal material for electronic skin.
A team led by Prof. Ren Tianling, a vice director at the sensor technology of environment and health center at Tsinghua University, has published an essay about the electronic skin on American scientific journal American Chemical Society·Nano, according to the university’s announcement on its website on July 31.
The team combined laser-reduced graphene with tattoo to mimic the function of electronic skin. Small changes of skin surface can be monitored by changes in electrical resistance. The team also initiated a new method of separating oxides from graphene to makes the device more sensitive and more resistant to higher temperatures.
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