Enzymatically polymerized conductive polymers anchored on lipid membranes
Chiara Musumeci a, Hanne Biesmans a, Alex Bersellini Farinotti b, Diana Priyadarshini a, Jennifer Y. Gerasimov a, Tobias Abrahamsson a, Katriann Arja a, Daniel Simon a, Camilla Svensson b, Magnus Berggren a
a Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, 60174 Norrköping, Sweden
b Department of Physiology and Pharmacology, Karolinska Institutet, 17176 Stockholm, Sweden
Proceedings of Bioelectronic Interfaces: Materials, Devices and Applications (CyBioEl)
Limassol, Cyprus, 2024 October 22nd - 25th
Organizers: Eleni Stavrinidou and Achilleas Savva
Oral, Chiara Musumeci, presentation 018
DOI: https://doi.org/10.29363/nanoge.cybioel.2024.018
Publication date: 28th June 2024

Organic conductive polymers offer an ideal solution for interfacing with biological systems due to their unique capacity to transport both electronic and ionic charges, along with mechanical properties that align with those of tissues and cells. They represent a promising avenue for therapeutic innovation, potentially addressing the challenge of remodulating neural circuits and signaling in neurological diseases. When incorporated into cell membranes can produce a remodeling of the membrane properties, and if directly synthesized in living tissues, reduce impedance.[1-3]

Here we utilize the capability of bis-ethylenedioxythiophene-thiophene (ETE) monomers to be enzymatically polymerized in situ,[4] to create, through non- covalent interactions, seamless interfaces between conductive polymers and lipid membranes, in both synthetic models and living cells. [5, manuscript in preparation] A variety of experimental techniques is employed to examine both the morphological and electrical properties of these interfaces and the impact of the assembled polymer on cell behavior.

These findings suggest that these materials have the potential to serve as the foundation for innovative strategies for in vivo neural therapeutics, while also broadening our comprehension of the emerging field of in situ-fabricated bioelectronics.

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