Despite the popularity of wearable devices in the recent years for health monitoring process, the ultrathin films and rubber sheets might have a lack of breathability and not safe for long term use. Therefore, a group of Japanese scientists are developing a very light and thin hypo-allergic sensor that can be worn on the skin to reduce the discomfort.

By spraying a tiny amount of water on the electrode from nanoscale meshes containing a water-soluble polymer, polyvinyl alcohol (PVA), and gold layer materials, the sensor will stick easily to the skin without interfering the curvilinear surfaces of human skin, such as sweat pores and the ridges of an index finger’s fingerprint pattern.

The scientist has proved the durability and safety of the device through repeated bending and stretching. The 20 participants involved in the research did not experience skin inflammation even after wearing the device for more than a week.

Lastly, the rise of breathable devices might surpass the popularity of wearable devices, as the researchers indicated that the device will provide a more accurate monitoring. In addition, further research is currently undertaking research to integrate breathable devices to monitor athletes’ physiological signals and bodily motion without impeding their training.

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