Table 6.

Analytical data for electrooxidation of dopamine on electrodes modified with nano-scale materials (simultaneous detection)

Electrode	Method	Compound	Linearity (mol L−1)	Sensitivity (mA mol−1 L)	Detection limit (mol L−1)	Ref.
Chit/GR/GC	DPV	DA	1 × 10−6–2.4 × 10−5			[90]
		UA	2 × 10−6–4.5 × 10−5
		AA	5 × 10−5–1.2 × 10−3
MWNT/IL/GC	DPV	DA	1 × 10−7–1.2 × 10−5		6 × 10−8	[97]
		SE	2 × 10−8–7 × 10−6		8 × 10−9
CILE/CP	DPV	DA	2 × 10−6–1.5 × 10−3		1 × 10−6	[98]
		UA	2 × 10−6–2.2 × 10−4		1 × 10−6
		AA	5 × 10−5–7.4 × 10−3		2 × 10−5
AuNP-PANI/GC	DPV	DA	7 × 10−6–1.4 × 10−4		3 × 10−6	[111]
		UA	2.9 × 10−5–7.2 × 10−4		2 × 10−5
PdNC/PMPy/Pt	DPV	DA	1 × 10−7–1 × 10−5	710	1.2 × 10−8	[112]
		UA	5 × 10−7–2 × 10−5	280	2.7 × 10−8
		AA	5 × 10−5–1 × 10−3	5.6	7 × 10−6
CuNP/PPy/GC	DPV	DA	1 × 10−9–1 × 10−7		8.5 × 10−10	[113]
		UA	1 × 10−9–1 × 10−5		8 × 10−10
HBNBH/ TiO2NP/ CP	SWV	DA	8 × 10−6–1.4 × 10−3	43.9	8.4 × 10−7	[114]
		UA	1 × 10−4–6 × 10−4	42
PdNC/PFu/Pt	DPV	DA	5 × 10−7–1 × 10−4	478.4	4.82 × 10−8	[115]
		AA	5 × 10−5–1 × 10−3	21.3	7.13 × 10−6
		ACOP	5 × 10−7–1 × 10−4	263.7	7.64 × 10−8
(MB)SZP/C	DPV	DA	6 × 10−6–1 × 10−4		1.7 × 10−6	[116]
		UA	2.2 × 10−5–3.5 × 10−4		3.7 × 10−6
		AA	1 × 10−4–1.6 × 10−3		8.3 × 10−6
PdNP/CNF/C	DPV	DA	5 × 10−7–1.6 × 10−4		2 × 10−7	[117]
		UA	2 × 10−6–2 × 10−4		7 × 10−7
		AA	5 × 10−5–4 × 10−3		1.5 × 10−5

Chit, chitosan; GR, graphene; CP, carbon paste; CNF, carbon nanofibers; MWNT, multi-walled carbon nano tubes; IL, ionic liquid; CILE, carbon ionic liquid electrode; NP, nano particles; NC, nanoclusters; HBNBH, 2,2′-[1,7-hepthandiylbis(nitriloethylidine))-bis-hydroquinone; PANI, polyaniline; Ppy, polypyrrole; PMPy, poly(N-methylpyrrole); Pfu, polyfuran; MB, methylene blue; SZP, silica/zirkonia/phosphate