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Evaluation of an elastomer based gold microelectrode array for neural recording applications

Minev, I. R., Chew, D. J., Delivopoulos, E., Fawcett, J. W. and Lacour, S. P. (2011) Evaluation of an elastomer based gold microelectrode array for neural recording applications. In: 2011 5th International IEEE/EMBS Conference on Neural Engineering. IEEE, pp. 482-485.

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To link to this item DOI: 10.1109/NER.2011.5910591

Abstract/Summary

We are reporting on the fabrication and electrical characterization of a novel elastomer based micro-cuff neural interface. Electrodes are gold (Au) tracks of sub-100nm thickness and are thermally evaporated on a 0.5 mm thick polydimethylsiloxane (PDMS) substrate. We investigate how electrode area and immersion in phosphate buffered saline (PBS) at 37°C influence electrode impedance. A microfluidic channel is bonded to the electrode array to form the cuff. In an acute, in-vivo, proof-of-principle recording, the device is capable of detecting light stroking and pinch of a hind leg of an anaesthetized rat.

Item Type:Book or Report Section
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Biological Sciences > Department of Bio-Engineering
ID Code:33985
Publisher:IEEE

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