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Regensburg 2022 – scientific programme

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 45: Biopolymers, Biomaterials and Bioinspired Functional Materials (joint session CPP/BP)

CPP 45.3: Talk

Friday, September 9, 2022, 10:15–10:30, H39

Bioinspired electrodes for brain wave detection — •Volker Körstgens1, Gökay Erbil1, Andreas Zheng1, Hsin-Yin Chiang2, and Peter Müller-Buschbaum11TU München, Physik-Department, LS Funktionelle Materialien, 85748 Garching — 2Cephalgo, 67000 Strasbourg, France

With increasing demands in brain computer interfaces (BCI) measuring biosignals non-invasively becomes more important. Applications like measuring brain waves via electroencephalography (EEG) with dry electrodes remains challenging as for a steady biosignal acquisition adhesion to the skin has to be maintained all the time. We present two different approaches inspired by nature for such electrodes. In our first approach we developed micro-structured dry adhesive electrodes based on polydimethylsiloxane (PDMS) with conductive fillers. The EEG-performance and adhesive properties of these electrodes will be discussed and compared to the concept of mussel-inspired hydrogels we follow in our second approach.

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