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UT Dallas team creates flexible electronics that change shape inside body
Date:5/13/2014

nic semiconductor but used adapted techniques normally applied to create silicon electronics that could reduce the cost of the devices.

"We used a new technique in our field to essentially laminate and cure the shape memory polymers on top of the transistors," said Voit, who is also a member of the Texas Biomedical Device Center. "In our device design, we are getting closer to the size and stiffness of precision biologic structures, but have a long way to go to match nature's amazing complexity, function and organization."

The rigid devices become soft when heated. Outside the body, the device is primed for the position it will take inside the body.

During testing, researchers used heat to deploy the device around a cylinder as small as 2.25 millimeters in diameter, and implanted the device in rats. They found that after implantation, the device had morphed with the living tissue while maintaining excellent electronic properties.

"Flexible electronics today are deposited on plastic that stays the same shape and stiffness the whole time," Reeder said. "Our research comes from a different angle and demonstrates that we can engineer a device to change shape in a more biologically compatible way."

The next step of the research is to shrink the devices so they can wrap around smaller objects and add more sensory components, Reeder said.


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Contact: LaKisha Ladson
lakisha.ladson@UTDallas.edu
972-883-4183
University of Texas at Dallas
Source:Eurekalert

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