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Research Update
To Connect Biology with Electronics,
Be Rigid, Yet Flexible

Researchers Uncover Design Principles for 
Polymers That Can Transport Both Ions and Electrons

From the Ginger Lab: Lead author Rajiv Giridharagopal, left, and co-author Lucas Flagg, right, standing next to an atomic force microscope. Credit: Dane deQuilettes.

David Ginger, CEI’s chief scientist, along with members of his research group, and students from professor Christine Luscombe’s lab, published a paper in Nature Materials today that uncovers the design principles for making a polymer—a conducting plastic—that can transport both ions and electrons more effectively.
"Most of our technology relies on electronic currents, but biology transduces signals with ions, which are charged atoms or molecules," said Ginger. "If you want to interface electronics and biology, you need a material that effectively communicates across those two realms."
Organic semiconducting polymers are complex matrices made from repeating units of a carbon-rich molecule. An organic polymer that can accommodate both types of conduction — ions and electrons — is the key to creating new biosensors, flexible bioelectronic implants, and better batteries. But differences in size and behavior between tiny electrons and bulky ions have made this no easy task.
Read more about this research in this UW press release. The full paper is available here.

Copyright © 2017 University of Washington Clean Energy Institute, All rights reserved.

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