Table 5.

Electrochemical detection methods.

Electrode	Mediator	Concentrations Range (μM)	Limit of Detection (μM)	References
Single-wall carbon nanotube modified glassy carbon electrode	1,2-N-aphthoquinone-4-sulfonic acid sodium	5.0–270	3.0	[89]
Carbon paste electrode	N,N-dimethylaniline/ferrocyanide	80–1140	79.7	[90]
Carbon paste electrode	(9, 10-dihydro-9, 10-ethanoanthracene-11, 12-dicarboximido)-4-Ethylbenzene-1, 2-diol and nickel-oxidecarbon nanotube	0.01–250	0.007	[91]
Carbon paste electrode	Ferrocene carboxaldehyde and nickel-oxide nanoparticle	0.09–300	0.06	[92]
Carbon paste electrode	Acetylferrocene and Nickel-oxide-carbon nanotube	0.1–600	0.07	[93]
Carbon paste electrode	N-(4-hydroxyphenyl)-3,5-Dinitrobenzamide and magnesium oxide nanoparticles	0.03–600	0.009	[94]
Carbon paste electrode	NiO dope Pt nanostructure hybrid (NiO–Pt–H)	0.003–200	0,0005	[95]
Multiwall carbon nanotubes paste electrode	Isoproterenol	0.3–450.0	0.09	[96]
Multiwall carbon nanotubes paste Electrode	Ferrocene	0.7–200	0.3	[97]
Multiwall carbon nanotubes paste electrode	3,4-Dihydroxycinnamic acid	0.25–400	0.09	[98]
Multiwall carbon nanotubes paste electrode	Promazine hydrochloride	Two dynamic ranges of 2.0–346.5 μM and 346.5–1912.5 μM	0.8	[99]
Screen printed electrode	La2O3/Co3O4	1.0–700.0	0.3	[100]