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Highly Conformable Conducting Polymer Electrodes for In Vivo Recordings

Authors

  • Dion Khodagholy,

    1. Department of Bioelectronics, Centre Microélectronique de Provence, Ecole Nationale Supérieure des Mines de Saint Etienne, 880 route de Mimet, 13541 Gardanne, France
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  • Thomas Doublet,

    1. Department of Bioelectronics, Centre Microélectronique de Provence, Ecole Nationale Supérieure des Mines de Saint Etienne, 880 route de Mimet, 13541 Gardanne, France
    2. INSERM U 751, Université de la Méditerranée, Faculté de Médecine La Timone, 27 Bd. Jean Moulin, 13385 Marseille Cedex 05, France
    3. Microvitae Technologies, Pôle d'Activité Y. Morandat, 1480 rue d'Arménie, 13120 Gardanne, France
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  • Moshe Gurfinkel,

    1. Department of Bioelectronics, Centre Microélectronique de Provence, Ecole Nationale Supérieure des Mines de Saint Etienne, 880 route de Mimet, 13541 Gardanne, France
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  • Pascale Quilichini,

    1. INSERM U 751, Université de la Méditerranée, Faculté de Médecine La Timone, 27 Bd. Jean Moulin, 13385 Marseille Cedex 05, France
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  • Esma Ismailova,

    1. Department of Bioelectronics, Centre Microélectronique de Provence, Ecole Nationale Supérieure des Mines de Saint Etienne, 880 route de Mimet, 13541 Gardanne, France
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  • Pierre Leleux,

    1. Department of Bioelectronics, Centre Microélectronique de Provence, Ecole Nationale Supérieure des Mines de Saint Etienne, 880 route de Mimet, 13541 Gardanne, France
    2. Microvitae Technologies, Pôle d'Activité Y. Morandat, 1480 rue d'Arménie, 13120 Gardanne, France
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  • Thierry Herve,

    1. Microvitae Technologies, Pôle d'Activité Y. Morandat, 1480 rue d'Arménie, 13120 Gardanne, France
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  • Sébastien Sanaur,

    1. Department of Bioelectronics, Centre Microélectronique de Provence, Ecole Nationale Supérieure des Mines de Saint Etienne, 880 route de Mimet, 13541 Gardanne, France
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  • Christophe Bernard,

    1. INSERM U 751, Université de la Méditerranée, Faculté de Médecine La Timone, 27 Bd. Jean Moulin, 13385 Marseille Cedex 05, France
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  • George G. Malliaras

    Corresponding author
    1. Department of Bioelectronics, Centre Microélectronique de Provence, Ecole Nationale Supérieure des Mines de Saint Etienne, 880 route de Mimet, 13541 Gardanne, France
    • Department of Bioelectronics, Centre Microélectronique de Provence, Ecole Nationale Supérieure des Mines de Saint Etienne, 880 route de Mimet, 13541 Gardanne, France.
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Abstract

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A photolithographic process was used to integrate the conducting polymer poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) with parylene C, yielding highly conformable electrode arrays that were only four micrometers thick (shown here to conform to the midrib of a small leaf). The arrays were sufficiently self-supporting to allow in vivo evaluation in rats, yielding high-quality electrocorticography recordings.

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