. 2020 Jul 12;187(8):441. doi: 10.1007/s00604-020-04415-3

Table 2.

Selection of various graphene-modified impedimetric sensors to quantify proteins and disease-relevant biomarkers

Material	Modification	Analyte	Linear Range	LOD	Selectivity	Reference
rGO	MWCNT-Au NPs-chitosan	Lysozyme	0.02–250 pM	9 fM	BSA, HSA, Hb, thrombin, IgG, CytC, PSA, enzymes	[123]
rGO	MWCNT-Au NPs	PSA	5–0.1 μg mL⁻¹	1 pg mL⁻¹	BSA, Hb, thrombin, IgG, lysozyme	[124]
rGO	SWCNT-Au NPs-aptamer	HER2	0.1 pg mL⁻¹ - 1 ng mL⁻¹	50 fg·mL⁻¹	BSA, BHb, thrombin, IgG, lysozyme, PSA	[125]
cvdG	Anti-OVA	Ovalbumin	1–0.1 pg mL⁻¹	0.9 pg mL⁻¹	β-LG, lysozyme	[88]
cvdG	Anti-CEA	CEA	1.0–25.0 ng mL⁻¹	0.23 ng mL⁻¹	KCl, CYFRA-21-1, CTnI	[83]
cvdG	Anti-IgG	IgG	0.1–100 μg mL⁻¹	0.136 μg mL⁻¹	BSA, Hb, avidin	[78]

BSA bovine serum albumin, CEA carcinoembryonic antigen, (MW/SW)CNT multi-walled/single-walled carbon nanotubes, CRP c reactive protein, CTnI cardiac troponin I, CytC cytochrome C, (B)Hb (bovine) hemoglobin, HER2 human epidermal growth factor, HSA human serum albumin, β-LG β-lactoglobulin, Mb myoglobin, PSA prostate-specific antigen