Table 1. Comparison of the Proposed Biosensing Performance to That of Other Reported Sensors.

	LOD (μM)		linear range (μM)
electrode materials	DA	UA	DA	UA	main interferents	references
CS–GSa	0.14	0.17	1–700	1–800	AA, glucose	this work
PPGE	0.03	0.12	0.15–15	0.3–150	AA	(4)
PAA-MWNTs	0.02	0.11	0.04–3	0.3–10	AA	(6)
AgNP/Zeo-Y	0.016	0.025	0.02–0.18	0.05–0.7	AA	(7)
PANI-AuNP	3	20	7–148	29–720		(8)
GNP/Ch	0.12	0.6	0.2–80	1.2–100	glucose	(9)
PAM/rGO	0.1	0.5	0.3–50	1–50		(11)
N–S–PC	0.02	0.06	0.1–50	0.1–50	glucose	(12)
CNT/GO/sCSa	0.06	0.05	1.25–357	1.25–533		(27)
GR-AuNPs-CD-CSa	0.08	0.04	0.1–120	0.05–70		(35)
SGNF/IL/CSa	0.04	0.10	0.05–240	0.12–260		(37)
CS-graphenea	1	2	1–24	2–45		(65)
PdNPs/GR/CSa	0.1	0.17	0.5–200	0.5–200		(66)
GR-CSa	0.0045		0.03–20.06		AA, UA	(67)
Pt NS/C60	0.07	0.63	0.5–211.5	9.5–1187	AA	(68)
PdAg NFs/rGO	0.048	0.081	0.4–96	1–150	glucose	(69)
PGE	0.2	1	0.2–8	1–60	AA	(70)

^aGraphene-CS-modified electrode.