Engineering and Technology

Self-healable stretchable printed electronic cryogels for in-vivo plant monitoring

E. Bihar, E. J. Strand, et al.

This study showcases innovative implantable printed electronics that integrate highly conductive inkjet-printed PEDOT:PSS traces within PVA cryogel matrices, leading to biocompatible electronic cryogels. These flexible, self-healing materials successfully monitored ionic activity within tomato plant stems for over two months, demonstrating their potential for long-term applications in plant tissues. Research conducted by Eloïse Bihar, Elliot J. Strand, Catherine A. Crichton, Megan N. Renny, Ignacy Bonter, Tai Tran, Madhur Atreya, Adrian Gestos, Jim Haseloff, Robert R. McLeod, and Gregory L. Whiting.

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Abstract

This study introduces implantable printed electronics by incorporating highly conducting inkjet-printed PEDOT:PSS traces into PVA cryogel matrices, forming robust, biocompatible electronic cryogels for long-term use inside plant tissue. These cryogels, fabricated using a peeling method and freeze-thaw cycling, exhibit high conductivity, stretchability (up to 330% strain), self-healing properties, and design flexibility. Successful implantation in tomato plant stems enabled ionic activity monitoring for over two months with minimal scar tissue formation.

Publisher

npj Flexible Electronics

Published On

Oct 23, 2023

Authors

Eloïse Bihar, Elliot J. Strand, Catherine A. Crichton, Megan N. Renny, Ignacy Bonter, Tai Tran, Madhur Atreya, Adrian Gestos, Jim Haseloff, Robert R. McLeod, Gregory L. Whiting

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