Carrie Newbold

Comparison of the In Vitro and In Vivo Electrochemical Performance of Bionic Electrodes

Alexander R Harris, Carrie Newbold, Dimitra Stathopoulos, Paul Carter, Robert Cowan, Gordon G Wallace

Journal article  |  2022  |  MICROMACHINES

The electrochemical performance of platinum electrodes was assessed in vitro and in vivo to determine the impact of electrode impl..

Insights into the Electron Transfer Kinetics, Capacitance and Resistance Effects of Implantable Electrodes Using Fourier Transform AC Voltammetry on Platinum

Alexander R Harris, Carrie Newbold, Robert Cowan, Gordon G Wallace

Journal article  |  2019  |  JOURNAL OF THE ELECTROCHEMICAL SOCIETY

The charge transfer mechanism at the electrode-solution interface was assessed by Fourier transform AC voltammetry (FTACV). The fa..

Using Chronopotentiometry to Better Characterize the Charge Injection Mechanisms of Platinum Electrodes Used in Bionic Devices

Alexander R Harris, Carrie Newbold, Paul Carter, Robert Cowan, Gordon G Wallace

Journal article  |  2019  |  FRONTIERS IN NEUROSCIENCE

The safe charge injection capacity and charge density of neural stimulating electrodes is based on empirical evidence obtained fro..

Protecting against electrode insertion trauma using dexamethasone

Scott Chambers, Carrie Newbold, Dimitra Stathopoulos, Karina Needham, Chris Miller, Frank Risi, Ya Lang Enke, Godofredo Timbol, Robert Cowan

Journal article  |  2019  |  COCHLEAR IMPLANTS INTERNATIONAL

OBJECTIVE: To compare the benefits of a dexamethasone-eluting array for hearing preservation and cochlear histopathology in low tr..

Measuring the effective area and charge density of platinum electrodes for bionic devices

Alexander R Harris, Carrie Newbold, Paul Carter, Robert Cowan, Gordon G Wallace

Journal article  |  2018  |  JOURNAL OF NEURAL ENGINEERING

OBJECTIVE: Neural stimulation is usually performed with fairly large platinum electrodes. Smaller electrodes increase the applied ..

Charge Injection from Chronoamperometry of Platinum Electrodes for Bionic Devices

Alexander R Harris, Alexander R Harris, Carrie Newbold, Carrie Newbold, Paul Carter, Paul Carter, Robert Cowan, Robert Cowan, Gordon G Wallace, Gordon G Wallace

Journal article  |  2018  |  JOURNAL OF THE ELECTROCHEMICAL SOCIETY

The chronoamperometric response of platinum under biologically relevant conditions was investigated to understand how charge trans..

Intraoperative force and electrocochleography measurements in an animal model of cochlear implantation

J Lo, C Bester, A Collins, C Newbold, A Hampson, S Chambers, H Eastwood, S O'Leary

Journal article  |  2018  |  HEARING RESEARCH

To preserve residual hearing, techniques for monitoring and reducing the effects of trauma during cochlear implant surgery are bei..

Electrode Impedance Fluctuations as a Biomarker for Inner Ear Pathology After Cochlear Implantation

June Choi, Matthew R Payne, Luke J Campbell, Christo W Bester, Carrie Newbold, Hayden Eastwood, Stephen J O'Leary

Journal article  |  2017  |  OTOLOGY & NEUROTOLOGY

OBJECTIVES/HYPOTHESIS: Cochlear implant surgery now aims to preserve residual low frequency hearing. The current research explores..

Meningitis and a safe dexamethasone-eluting intracochlear electrode array.

Dimitra Stathopoulos, Scott Chambers, Louise Adams, Roy Robins-Browne, Christopher Miller, Ya Lang Enke, Benjamin PC Wei, Stephen O'Leary, Robert Cowan, Carrie Newbold

Journal article  |  2015  |  Cochlear Implants Int

OBJECTIVES: To evaluate the potential risk of pneumococcal meningitis associated with the use of a dexamethasone-eluting intracoch..

Long-term electrode impedance changes and failure prevalence in cochlear implants

Carrie Newbold, Frank Risi, Rodney Hollow, Yusmeera Yusof, Richard Dowell

Journal article  |  2015  |  INTERNATIONAL JOURNAL OF AUDIOLOGY

OBJECTIVE: This study assessed the prevalence of electrode failures and electrode impedance measures in Nucleus cochlear implants ..