Microfluidic Biosensor Based on Microwave Substrate-Integrated Waveguide Cavity Resonator

Figure 1

(a) Top view of the SIW cavity resonator proposed as a microfluidic biosensor. (b) Inset view depicting a patch, gold vias, and PDMS-based microwell. (c) Cross-sectional view of the SIW cavity resonator demonstrating geometry of the cup-shaped microwell.