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Ionic liquid gel-assisted electrodes for long-term cutaneous recordings
Pierre Leleux1, Camryn Johnson, Xenofon Strakosas
1Department of Bioelectronics, Ecole Nationale Supérieure des Mines, CMP-EMSE, MOC, 13541, Gardanne, France; INSERM UMR_S 1106, Université de la Méditerranée, Faculté de Médecine La Timone, 27 Bd. Jean Moulin, 13385, Marseille Cedex 05, France; MicroVitae Technologies, Pôle d'Activité Y. Morandat, 1480 rue d'Arménie, 13120, Gardanne, France.
Abstract:
The integration of an ionic liquid gel on conformal electrodes is investigated for applications in long-term cutaneous recordings. Electrodes made of Au and the conducting polymer PEDOT:PSS coated with the gel show a low impedance in contact with the skin that maintains a steady value over several days, paving the way for non-invasive, long-term monitoring of human electrophysiological activity.
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