This new wearable sensor is developed from tissue paper!

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This new wearable sensor is developed from tissue paper!"


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Scientists have used tissue paper to develop a Band-aid sized wearable sensor that can detect a pulse, a blink of an eye and other human movements. The sensor is light, flexible and


inexpensive, with potential applications in health care, entertainment and robotics, researchers said. Researchers at University of Washington (UW) in the US, showed that by tearing tissue


paper loaded with nanoparticles and breaking its fibres, the paper acts as a sensor. Scientists have used tissue paper to develop a Band-aid sized wearable sensor that can detect a pulse, a


blink of an eye and other human movements. The sensor is light, flexible and inexpensive, with potential applications in health care, entertainment and robotics, researchers said. 


Researchers at University of Washington (UW) in the US, showed that by tearing tissue paper loaded with nanoparticles and breaking its fibres, the paper acts as a sensor. It can detect a


heartbeat, finger force, finger movement, eyeball movement and more, said Jae-Hyun Chung, associate professor at UW. "The major innovation is a disposable wearable sensor made with


cheap tissue paper. When we break the specimen, it will work as a sensor," said Chung, senior author of the research published in the journal Advanced Materials Technologies. These


small, Band Aid-sized sensors could have a variety of applications in various fields. For example, monitoring a person's gait or the movement of their eyes can be used to inspect brain


function or a game player's actions. The sensor could track how a special-needs child walks in a home test, sparing the child the need for hospital visits. The sensors could also be


used in occupational therapy for seniors. "They can use these sensors and after one-time use, they can be thrown away," said Chung. Scientists used paper similar to toilet tissue.


The paper - nothing more than conventional paper towels - is then doused with carbon nanotube-laced water. Carbon nanotubes are tiny materials that create electrical conductivity. Each piece


of tissue paper has both horizontal and vertical fibres, so when the paper is torn, the direction of the tear informs the sensor of what's happened. To trace the eye movement, they are


attached to a person's reading glasses. For now, the work has been contained to a laboratory, and researchers are hoping to find a suitable commercial use.


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