Abstract
In this theoretical study a biosensor device based on microwave split-ring resonators (SRRs) was developed and optimized for operation in the ultra-high frequency regime, by means of extensive finite element method (FEM) simulations. For sensor applications, the metallic surface will be bio functionalized and since SRRs are highly sensitive to the change in dielectric material the resonant frequencies shift proportional to the load of biomolecules. Our simulation results indicate a frequency shift of about 100.9MHz for a hydrogel based bio-functionalization with a layer thickness of 3μm.
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