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Neural stimulation with a carbon nanotube microelectrode array.

Authors
Type
Published Article
Journal
Nano letters
Publication Date
Volume
6
Issue
9
Pages
2043–2048
Identifiers
PMID: 16968023
Source
Medline

Abstract

We present a novel prototype neural interface using vertically aligned multiwalled carbon nanotube (CNT) pillars as microelectrodes. Functionalized hydrophilic CNT microelectrodes offer a high charge injection limit (1-1.6 mC/cm2) without faradic reactions. The first repeated in vitro stimulation of hippocampal neurons with CNT electrodes is demonstrated. These results suggest that CNTs are capable of providing far safer and more efficacious solutions for neural prostheses than previous metal electrode approaches.

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