Table 1.

Characteristics of the proposed graphene metasurface without and with breast cells.

Analyte	n	Num.	Site	${\mathit{f}}_{\mathit{res}}$ (THz)	$△\mathit{f}$ (THz)	S	FWHM (THz)	FOM (RIU${}^{-1}$)	Q
air	1.0			1.54			0.92		1.67
MCF7	1.401	one	S1	1.40	0.14	0.35	0.89	0.39	1.57
			S2	1.50	0.04	0.10	0.90	0.11	1.67
			S3	1.71	0.17	0.42	0.40	1.06	4.26
		two	S${}_x$	1.54	0.00	0.00	0.65	0.00	2.37
			S${}_{45}$	1.52	0.02	0.05	1.02	0.05	1.49
			S${}_y$	1.07	0.47	1.17	0.44	2.66	2.43
		three		1.42	0.12	0.30	0.87	0.35	1.64
		four		1.40	0.14	0.35	0.85	0.41	1.66
MCF10A	1.387	one	S1	1.41	0.13	0.34	0.89	0.38	1.58
			S2	1.51	0.03	0.08	0.90	0.09	1.68
			S3	1.49	0.05	0.13	0.90	0.14	1.65
		two	S${}_x$	1.54	0.00	0.00	0.66	0.00	2.33
			S${}_{45}$	1.52	0.02	0.05	1.04	0.05	1.46
			S${}_y$	1.07	0.47	1.21	0.44	2.75	2.43
		three		1.17	0.37	0.96	0.62	1.53	1.87