Carbon Nanotube-Based Electrochemical Sensors: Principles  and  Applications  in  Biomedical  Systems

Table 2

Sensitive determination of electroactive microbiomolecules at CNT composite film-modified electrodes.

Targets	Electrodes	Supporting electrolyte	Detection potential/V	Linear range/𝜇M	DL/𝜇M	Ref.
UA	CNT-𝛽-CD/PG	0.2 M HAc-NaAc pH 4.5	0.45	0.5∼50	0.2	[134]
DA	MWNT-Nafion/GCE	0.1 M PBS pH 5.5	0.235	0.05∼1.0	0.0025	[62]
XA	MWNT-DHP/GCE	0.1 M PBS pH 5.5	0.77	0.02∼20	0.04	[79]
UA			0.38	0.1∼100	0.01
DA	MWNT-DHP/GCE	0.1 M PBS pH 7.0	0.18	0.05∼5.0	0.011	[96]
5-HT			0.36	0.02∼5.0	0.005
NE	CNT-𝛽-CD/PG	0.1 M PBS pH 6.0	0.25	1.0∼300	0.5	[135]
DA	MWNT-CHIT/GCE	0.1 M PBS pH 7.2	0.144	0.5∼100	0.2	[102]
AA			−0.029	5.0∼1000	2.0
DA	MWNT-Nafion/GCE	0.1 M PBS pH 6.0	0.235	0.01∼10	0.0025	[64]
UA	MWNT-CHIT/GCE	0.1 M PBS pH 5.5	0.484	2.0∼100	0.75	[105]
EP			0.329	5.0∼250	1.0
DA	MWNT-Nafion/CFME	0.05 M PBS pH 7.5	0.145	2.0∼20	0.07	[65]
DA	MWNT-RTIL/GCE	0.1 M PBS pH 7.0	0.16	1.0∼100	0.1	[124]
EP	MWNT-PBCB/GCE	0.1 M PBS pH 6.0	0.28	0.05∼50	0.01	[216]