Friday, 4 December 2020

Engineers print wearable sensors directly on skin

With a novel layer to help the metallic components of the sensor bond, an international team of researchers printed sensors directly on human skin. Credit: Ling Zhang, Penn State/Cheng Lab and Harbin Institute of Technology

BEIJING: An international team of researchers developed a novel technique to produce precise, high-performing biometric sensors. Wearable sensors are evolving from watches and electrodes to bendable devices that provide far more precise biometric measurements and comfort for users. Now, an international team of researchers has taken the evolution one step further by printing sensors directly on human skin without the use of heat. Led by Huanyu “Larry” Cheng, Dorothy Quiggle Career Development Professor in the Penn State Department of Engineering Science and Mechanics, the team published their results in ACS Applied Materials & Interfaces. “In this article, we report a simple yet universally applicable fabrication technique with the use of a novel sintering aid layer to enable direct printing for on-body sensors,” said first author Ling Zhang, a researcher in the Harbin Institute of Technology in China and in Cheng’s laboratory.

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