Multilayer Films Electrodes Consisted of Cashew Gum and Polyaniline Assembled by the Layer-by-Layer Technique: Electrochemical Characterization and Its Use for Dopamine Determination

Table 1

Comparative performance of different electrodes for dopamine determination.

Electrode	Method	Dynamic range (mmol L^−1)	LD (mol L^−1)	Reference
ITO modified with LbL film from (PANI-PA/CG)6	CV^a	0.01–0.23	1.5 × 10^−8	This work
ITO modified with LbL film from (PAH/Chichá gum/PAH/NiTsPc^b)5	CV	0.3–250	1.05 × 10^−5	[27]
ITO modified with LbL film from ([PAMAM-MWCNTs]^c/NiTsPc)3	CV	2.5 × 10^−3–0.24	5.4 × 10^−7	[28]
GCE^d/MWCNTs modified with LbL film from (Nafion/[PVI-dmeOs]^e)3	DPV^f	1.0 × 10^−4–0.01	5.0 × 10^−8	[29]
GCE modified with poly(flavin adenine dinucleotide)	CV	2.5 × 10^−6–4.0 × 10^−5	5.0 × 10^−9	[30]
ITO modified with LB film of (PANI/Rupy^g)21	CV	0.04–1.2	4.0 × 10^−5	[31]
GCE modified with (LiTCNE/PLL)^h membrane	DPV	1.0 × 10^−5–0.01	5.0 × 10^−10	[32]

^aCyclic voltammetry.
^bTetrasulfonated metallophthalocyanine of nickel.
^cPolyamidoamine-multiwalled carbon nanotubes.
^dGlassy carbon electrode.
^ePoly(vinylimidazole)-Os(4,4′-dimethylbpy)₂Cl.
^fDifferential pulse voltammetry.
^gRuthenium complex mer-[RuCl₃(dppb)(py)] (dppb = PPh₂(CH₂)₄PPh₂; (py) = pyridine).
^hLithium tetracyanoethylenide/poly-L-lysine.