Table 1:

Carbon nanomaterial-based electrochemical sensors for detection of dopamine, ascorbic acid, and uric acid. The table is reproduced with permission from [19].

Sensor	Method	Analyte	LOD
Carbon nanotube-based sensors
CONH2-CNT/CFME	FSCV	DA	0.13 μM
COOH-CNT/CFME	FSCV	DA	0.18 μM
SWCNT forest/CFMEs	FSCV	DA	0.017 μM
Helical CNTs GCE	Differential Pulse Voltammetry (DPV)	DA	0.8 μM
		AA	0.92 μM
		UA	1.5 μM
PDDA/Helical CNT/GCE	DPV	DA	0.08 μM
		AA	0.12 μM
		UA	0.22 μM
CNT yarn disk electrode	FSCV	DA	0.021 μM
CNTYMEs	FSCV	DA	0.01 μM
CNF/GCE	DPV	DA	0.05 μM
s-SWCNT/PET	FET	DA	10−12 μM
Graphene based sensors
Craphite oxide bulk/CPE	DPV	DA	0.015 μM
		UA	2.7 μM
Graphene flower/CFE	DPV	DA	0.5 μM
		AA	24.7 μM
		UA	2 μM
3D graphene foam electrode	Amperometry	DA	0.025 μM
SWCNH/GCE	LSV	DA	0.06 μM
		AA	5 μM
		UA	0.02 μM
Whole Graphene solution-gated graphene transistor	SGGT	DA	0.001 μM
		AA	0.01 μM
		UA	0.03 μM
N-doped carbon based sensors
N-doped graphene/SPCE	CV	DA	0.93 μM
N-CNRs-Nafion/GCE	DPV	DA	0.0089 μM
N-PCNPs/GCE	DPV	DA	0.011 μM
		AA	0.74 μM
		UA	0.021 μM
Polymer coatings
PEDOT/RGO/GCE	Amperometry	DA	0.039 μM
PEDOT/CNT/CPE	DPV	DA	0.020 μM
PEI/CNT/CFME	FSCV	DA	0.005 μM
Gr/(PDDA–[PSS-MWCNTs])s graphite electrode, LBL	Amperometry	DA	0.15 μM
CNP/functionalized silicate particles/ITO, LBL	DPV	DA	0.125 μM
PANANA–MIPs/GCE	DPV	DA	0.0033 μM
MIPs-Craphene/GCE	DPV	DA	10−5 μM
PPy/CNTs-MIPs/GCE	DPV	DA	10−5 μM
Indirect detection using enzymes and DNA
Cysteamine/MWCNT–tyrosine–Nafion/Au electrode biosensor	Amperometry	DA	0.003 μM
	DPV	DA	0.05 μM
Uricase/Chitosan/CNT nanofiber/AgNP/Au electrode biosensor	Amperometry	UA	1 μM