Linkage Projects - Grant ID: LP140100109

Funding Activity

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Funded Activity Summary

Biological determinants of the safety and stability of neuroprosthetic stimulation electrodes. Performance of cochlear implants and the quality of sound perceived by patients is strongly related to electrode impedance. Electrode impedance fluctuates relative to the implant electrical activity, but the mechanisms which cause this are not clear. This project aims to investigate the role of protein adsorption in electrode performance, including impedance and material dissolution. To enable these investigations a new biomimetic analogue of the perilymph (cochlea fluid) is intended to be developed. Additionally, the project aims to investigate two strategies to minimise impedance changes: small pulse electrode cleaning and antifouling coatings. Understanding and control of factors influencing electrode stability aim to facilitate next-generation implant designs.

Funded Activity Details

Start Date: 17-06-2015

End Date: 31-07-2018

Funding Scheme: Linkage Projects

Funding Amount: $290,000.00

Funder: Australian Research Council