Nano Science and Technology Institute
Nanotech 2012 Vol. 2
Nanotech 2012 Vol. 2
Nanotechnology 2012: Electronics, Devices, Fabrication, MEMS, Fluidics and Computational (Volume 2)
Chapter 8: Modeling & Simulation of Microsystems

Electric Double Layer Simulation on Transient State for Sensitivity Enhancement of Affinity-Based Biosensor

Authors:J.-M. Woo, S.H. Kim, Y.J. Park
Affilation:Seoul National University, KR
Pages:586 - 589
Keywords:electrical double layer, biosensor, sensitivity, step pulse
Abstract:We have presented a numerical simulation for the affinity-based electrical biosensor system on the steady and transient state. Considering the screening length in the solutions, the solution with low ion concentration can be better measurement condition to get the high sensitivity. The transient electro-diffusion ionic flow caused by step-pulse input bias leads to the enhancement of the sensitivity. From these results, we can find a new sensing measurement scheme to achieve high sensitivity in the biosensor applications.
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