In a study published in ACS Applied Materials & Interfaces, a team of researchers reported the development of a graphene-based adhesive biosensor inspired by octopus "suckers."
Background:
Wearable electronics that adhere to skin are an emerging trend in health sensor technology for their ability to monitor a variety of human activities, from heart rate to step count.
But finding the best way to stick a device to the body has been a challenge. For a wearable sensor to be truly effective, it must be flexible and adhere fully to both wet and dry skin but still remain comfortable for the user.
Recent development:
To overcome these challenges, scientists have developed a low-cost, graphene-based sensor with a yarn-like substrate that uses octopus-like suckers to adhere to skin.
The sensor could detect a wide range of pressures and motions. The device also could monitor an array of human activities, including electrocardiogram signals, pulse and speech patterns, demonstrating its potential use in medical applications.
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