Journal of Sensors

Research Article

Differential Electroanalysis of Dopamine in the Presence of a Large Excess of Ascorbic Acid at a Nickel Oxide Nanoparticle-Modified Glassy Carbon Electrode

Table 3

Comparison of analytical parameters for the detection of DA and AA at GC_ox/nano-NiO_x with other modified electrodes.


Materials	Technique	Analyte	Linear range (μM)	LOD (μM)	Sensitivity (μA cm^-2/μM)	Reference

OMC/Nafion/GCE^a	DPV	DA	1–90	0.5	4.76	[61]
OMC/Nafion/GCE^a		AA	40–800	20	0.496	[61]
Ni@poly-1,5 DAN/GC^b	SWV	DA	100–500	0.011	0.583	[62]
Ni@poly-1,5 DAN/GC^b		AA	100–500	0.0	0.751	[62]
PEDOT-modified Ni/Si MCP^c	DPV	DA	12–48	1.5	5.40	[63]
PEDOT-modified Ni/Si MCP^c		AA	20–1400	10	0.539	[63]
Ni-Meso-PANI/GCE^d	DPV	DA	10–300	6.9	3.78	[64]
Ni-Meso-PANI/GCE^d		AA	10–300	7.1	2.71	[64]
Bi/BiVO₄	PEC^e	DA	0.05–100	0.008	0.199	[65]
Bi/BiVO₄	PEC^e	AA	0.2–118	0.09	0.194	[65]
GC_ox/nano-NiO_x	SWV	DA	80.0-800	0.69	0.329	This work
GC_ox/nano-NiO_x		AA	1160-11600	18	0.062	This work

^aOrdered mesoporous carbon (OMC)/Nafion composite film; ^bNickel nanoparticles dispersed at poly1,5-diaminonaphthalene; ^cNi/silicon microchannel plate (Ni/Si MCP) electrode modified with poly(3,4-ethylenedioxythiophene) (PEDOT); ^dTransition metal ion-exchanged mesoporous polyaniline; ^ePhotoelectrochemical.