Simulations and design of microfabricated interdigitated electrodes for use in a gold nanoparticle enhanced biosensor.

Peter Hermansen, Scott MacKay, David Wishart, Jie Chen

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference 2016 Aug

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Microfabricated interdigitated electrode chips have been designed for use in a unique gold-nanoparticle based biosensor system. The use of these electrodes will allow for simple, accurate, inexpensive, and portable biosensing, with potential applications in diagnostics, medical research, and environmental testing. To determine the optimal design for these electrodes, finite element analysis simulations were carried out using COMSOL Multiphysics software. The results of these simulations determined some of the optimal design parameters for microfabricating interdigitated electrodes as well as predicting the effects of different electrode materials. Finally, based on the results of these simulations two different kinds of interdigitated electrode chips were made using photolithography.

Citation

Peter Hermansen, Scott MacKay, David Wishart, Jie Chen. Simulations and design of microfabricated interdigitated electrodes for use in a gold nanoparticle enhanced biosensor. Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference. 2016 Aug;2016:299-302