Electrochemical investigation of nano-electrodes for biomedical sensing applications in the brain

Courtney S. Smith; Christopher M. Bowie; Kyo D. Song; Hargsoon Yoon; Vijay K. Varadan; Woong-Ki Kim

doi:10.1117/12.880567

15 April 2011 Electrochemical investigation of nano-electrodes for biomedical sensing applications in the brain

Courtney S. Smith, Christopher M. Bowie, Kyo D. Song, Hargsoon Yoon, Vijay K. Varadan, Woong-Ki Kim

Proceedings Volume 7980, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2011; 798011 (2011) https://doi.org/10.1117/12.880567
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2011, San Diego, California, United States

Abstract

Using neural probing devices implanted in the brain, neural activity from neural cells can be recorded in-vivo for long term periods. This research goal is to develop and investigate a neural sensing device using nanotechnology which can enhance the quality and longevity of sensing. In this research, two neural electrode designs were employed with nanostructures, which distinguish them from 2-dimensional planar electrode configuration. According to electrochemical simulation, high molecular confinement has been observed on vertically aligned nanowire electrodes, especially those with grid structures. The efficacy of the 3-dimensional nanoelectrode is also discussed in this paper, depending on the molecular diffusion on nanoelectrodes.

Citation Download Citation

Courtney S. Smith, Christopher M. Bowie, Kyo D. Song, Hargsoon Yoon, Vijay K. Varadan, and Woong-Ki Kim "Electrochemical investigation of nano-electrodes for biomedical sensing applications in the brain", Proc. SPIE 7980, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2011, 798011 (15 April 2011); https://doi.org/10.1117/12.880567

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KEYWORDS

Electrodes

Diffusion

Nanowires

Brain

Adsorption

Resistance

Capacitance

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