Nanowire-Based Electrode for Acute In Vivo Neural Recordings in the Brain

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Abstract

We present an electrode, based on structurally controlled nanowires, as a first step towards developing a useful nanostructured device for neurophysiological measurements in vivo. The sensing part of the electrode is made of a metal film deposited on top of an array of epitaxially grown gallium phosphide nanowires. We achieved the first functional testing of the nanowire-based electrode by performing acute in vivo recordings in the rat cerebral cortex and withstanding multiple brain implantations. Due to the controllable geometry of the nanowires, this type of electrode can be used as a model system for further analysis of the functional properties of nanostructured neuronal interfaces in vivo.

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  • Neurosciences
Original languageEnglish
Article numbere56673
JournalPLoS ONE
Volume8
Issue number2
Publication statusPublished - 2013
Publication categoryResearch
Peer-reviewedYes

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