Inflammation-free e-skin sensor monitors health for one week

Takao Someya at the University of Tokyo has developed a hypoallergenic, inflammation free, wearable e-skin health sensor that can be worn comfortably for a week.  Somaya believes that this technology is the basis for truly long term, continuous health monitoring.

The electrode is based on nanoscale meshes containing a water-soluble polymer, polyvinyl alcohol and gold. A small amount of water  is required to dissolve the PVA and attach the sensor to the skin.

Mechanical durability was tested by repeated bending and stretching (more than10,000 times) of a conductor attached to the forefinger of 20 people.

EMG recordings with the new sensor were as accurate as those using conventional electrodes.

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