Projects per year
Personal profile
Biography
Dr. Christopher Pastras is a lecturer and ARC Early Career Industry Fellow in the School of Engineering, and member of the Hearing Research Centre. His main research area is the inner ear, with expertise in neurophysiology, biomechanics, and bioengineering, with a particular focus on discovery science and animal models of health and disease. In 2020, he was awarded the Garnett Passe & Rodney Williams Fellowship at the University of Sydney to develop novel tools to investigate inner ear function. In 2022, Dr Pastras was awarded a Macquarie University Research Fellowship to uncover mammalian balance function needed to drive translational devices. His research has developed a novel in vivo platform to simultaneously measure cellular, neural, and mechanical responses from the mammalian inner ear. Specifically, he has developed specialized electrophysiological and mechanical recording tools to probe the function and operation of the mammalian balance system, with the use of delicate experimental manipulations, models of disease, and morphological techniques. This research is supported by technical expertise in programming, instrumentation and control, data acquisition and analysis, and mathematical modelling. Dr Pastras is currently the Faculty of Science and Engineering Early Career Researcher Representative, and Co-Chair to the Early to Mid-Career Researcher Grassroots Network associated with the Hearing Research Centre.
External positions
Research Affiliate, University of Sydney
30 Jun 2022 → …
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Collaborations and top research areas from the last five years
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IE25: Creating a sense of balance: Enhancing stimulation of vestibular tissues.
Pastras, C. (Primary Chief Investigator)
1/01/26 → 1/06/29
Project: Research
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IE25: Creating a sense of balance: Enhancing stimulation of vestibular tissues
Pastras, C. (Primary Chief Investigator)
1/01/26 → 31/12/28
Project: Research
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Creating a sense of balance: Understanding and enhancing electrical excitability of vestibular tissues.
Pastras, C. (Primary Chief Investigator), Asadnia, M. (Chief Investigator), Smyth, D. (Chief Investigator), Van Himbeeck, C. (Chief Investigator) & Gay, R. (Chief Investigator)
1/09/25 → 31/10/28
Project: Research
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Advancing Nanomaterials for Improved Wound Dressings in Chronic Wound Care
Asadnia, M. (Primary Chief Investigator), Cain, A. (Chief Investigator) & Pastras, C. (Chief Investigator)
16/12/24 → 15/12/27
Project: Research
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Developing a Proteomics Platform to Pinpoint Triggers and Pathways of Inner Ear Disease
Pastras, C. (Primary Chief Investigator), Asadnia, M. (Chief Investigator), Haynes, P. (Chief Investigator), Gay, R. (Chief Investigator), Enke, Y. L. (Chief Investigator), Mansell, J. (Student) & Khorrami, M. (Student)
1/05/24 → 1/04/29
Project: Research
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A miniaturized electrochemical biosensor for real-time in vivo potassium monitoring in the inner ear
Arshadi, F., Esfandiari, M., Gay, R., Enke, Y. L., Farbehi, N., Pastras, C. & Asadnia, M., 15 Apr 2026, In: Biosensors and Bioelectronics. 298, p. 1-10 10 p., 118388.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Link opens in a new tab Citation (Scopus)13 Downloads (Pure) -
Conducting polymer Tri-layer electrodes for low drift potassium and calcium sensing in inner ear applications
Esfandiari, M., Arshadi, F., Gay, R. D., Enke, Y. L., Pastras, C. & Asadnia, M., 20 Dec 2026, In: Electrochimica Acta. 580, p. 1-15 15 p., 149976.Research output: Contribution to journal › Article › peer-review
Open AccessFile -
Near-field recordings expose the limits of far-field measures of peripheral vestibular nerve activity: implications for experimental controls
Mansell, J. D., Ramos de Miguel, Á., Enke, Y. L., Gay, R., Asadnia, M., Curthoys, I. S. & Pastras, C. J., Oct 2026, In: Hearing Research. 480, p. 1-13 13 p., 109751.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Downloads (Pure) -
Utricular compound action potential thresholds to pulsed interaural vibration in Guinea pig, and mechanical tuning curve estimates in mouse, rat, sheep, and human
Rabbitt, R. D., Pastras, C. J., M. Rajguru, S., Zhu, H. & Zhou, W., 15 Sept 2026, (E-pub ahead of print) In: JARO - Journal of the Association for Research in Otolaryngology.Research output: Contribution to journal › Article › peer-review
Open Access -
Anatomically accurate 3D printed prosthetic incus for ossicular chain reconstruction
Mohseni-Dargah, M., Pastras, C., Mukherjee, P., Cheng, K., Khajeh, K. & Asadnia, M., Apr 2025, In: Bioprinting. 46, p. 1-12 12 p., e00393.Research output: Contribution to journal › Article › peer-review
Open AccessFile4 Link opens in a new tab Citations (Scopus)185 Downloads (Pure)