DNA Hybridization Detection Based on Resonance Frequency Readout in Graphene on Au SPR Biosensor

Figure 3

(a) Schematic configuration of mismatched event in SPR sensor. (b) Comparison of SPRF curve before adding DNA molecules (bare sensor, blue line) and after adding p-DNA (red line) and after adding mismatched t-DNA (black line).

(a)

(b)