Table 2.

Number of nanomaterials for enhancing electrochemical assays.

Detection Technique	Nanomaterials	Linear Range	Limit of Detection	Ref
Impedance	silicon-nanowire	0.03–0.3 U/L	0.3 U/L	[127]
Electrochemical	copper sulfide nanoparticle	0.1 to 100 U/L	0.02 U/L	[153]
Electrochemical	gold nanoparticle	3 to 50 U/L	0.2 U/L	[156]
Electrochemical	gold nanoparticle-carbon nanotubes	0.5 to 600 IU/L	0.25 IU/L	[157]
Photo-Electrochemical	graphic carbon nitride (g-C3N4)/TiO2 nanotubes	0.3 mU/L–1 U/L	0.1 mU/L.	[158]