ENOBIO - First tests of a dry electrophysiology electrode using carbon nanotubes

Details ENOBIO - First tests of a dry electrophysiology electrode using carbon nanotubes ENOBIO - First tests of a dry electrophysiology electrode using carbon nanotubes

2006-04-03

arxiv.org/abs/physics/0604015v3

Physics

Medical Physics

Submitted and accepted at the 28th IEEE EMBS International Conference, New York City, August 31st-September 3rd, 2006. Figures

Scientific paper

We describe the development and first tests of Enobio, a dry electrode sensor concept for biopotential applications. In the proposed electrodes, the tip of the electrode is covered with a forest of multi-walled CNTs that can be coated with Ag/AgCl to provide ionic-electronic transduction. The CNT brush-like structure is to penetrate the outer layers of the skin improving electrical contact as well as increae the contact surface area. In this paper, we report the results of the first tests of this concept -- immersion on saline solution and pig skin signal detection. These indicate performance on a par with state of the art research-oriented wet electrodes.

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