Table 3.

Electrochemical sensors reported for sensing of dual and triple analytes reported.

	Analyte	Nano-Interface	Enzymes Used	Technique	Ref.
Dual Analytes	Glucose and H2O2	Pt–Pd bimetallic clusters	Yes	CV, Amp	[30]
	Glucose and Cholesterol	Poly-thionine film	No	CV, Amp	[85]
	Glucose and H2O2	Au–Pd bimetallic nanoparticles	No	CV, Amp	[91]
	Glucose and Uric acid	Carbon ink	Yes	CA	[92]
	Glucose and H2O2	Pd-CoCNTs	No	CV, Amp, EIS	[93]
	Glucose and H2O2	PdCu alloy	No	CV, Amp	[94]
	Glucose and H2O2	Co3O4	No	CV, Amp	[95]
	Glucose and H2O2	Cu2O	No	CV, Amp, EIS	[97]
	Glucose and H2O2	Silver–DNA hybrid nanoparticles	Yes	CV, Amp	[98]
	Glucose and H2O2	CuO/rGO/Cu2O	No	CV, Amp	[99]
	Glucose and Maltose	MWCNTs	No	CV, Amp	[100]
	Glucose and Urea	E-DNA	No	CV, Amp, EIS	[101]
	Glucose and H2O2	Perovskite	No	Amp	[102]
	Glucose and H2O2	CoS	No	CV, Amp, EIS	[103]
	Glucose and H2O2	Graphene wrapped CuO nanocubes	No	CV, Amp	[104]
	Glucose and H2O2	Ag nanowires-CS	Yes	CV, Amp	[105]
Triple Analytes	Uric Acid, Dopamine, Ascorbic Acid	Carbon black–carbon nanotube/polyimide composite	No	CV, DPV, Amp	[81]
	Ascorbic Acid, Dopamine and Uric Acid	Water-soluble homogenous carbon black–chitosan ink	No	CV, DPV, Amp	[82]
	Glucose, Uric Acid, Cholesterol	Gold/titanium electrodeposited with polyaniline on platinum nanoparticles	Yes	Amp	[87]
	Ascorbic acid, Dopamine and Uric acid	Gold electrode patterned on polymethylmethacrylate	No	CV, DPV	[106]
	Glucose, Ethanol and Cholesterol	Polydopamine-coated magnetic nanoparticles	Yes	CV, Amp	[89]
	Glucose, D-Fructose, Sucrose	3-D Cu foam	No	CV, A	[107]

CV: cyclic voltammetry, A: amperometry, EIS: electrochemical impedance spectroscopy, DPV: differential pulse voltammetry, H₂O₂.hydrogen peroxide, Glu= glucose, Ag= silver, E-DNA= oligo nucleotide probe-based electrochemical DNA, Co₃O₄= cobalt oxide, Pt–Pd= platinum palladium bimetallic nanoparticles, MWCNT= multiwalled carbon nanotube, CuO=copper oxide, rGO= reduced graphene oxide, CoS= cobalt sulfide.