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

Table 1

and SRF with graphene film and without graphene film.

Graphene layer	[dB]	SRF [THz]	ΔSRF [THz]
No layer ( nm)	0.2267	91.70	0.00
One layer ( nm)	0.5494	92.65	0.95
Two layers ( nm)	0.9400	93.80	1.90
Three layers ( nm)	1.5870	94.95	2.85
Four layers ( nm)	2.2630	95.10	3.80
Ten layers ( nm)	6.2180	101.20	9.50