Table 1.

Comparison of the immunosensor to AFP with others.

Probes	Detection methods	Linear range	Detection limit	Reference
HRP-anti-AFP-GNGs	DPV	0.02 ~ 4 ng/mL	10 pg/mL	[18]
Ru-silica@Au-anti-AFP	ECL	0.05 ~ 50 ng/mL	30 pg/mL	[19]
HRP-Ab2-CNSs	DPV	0.05 ~ 6 ng/mL	20 pg/mL	[20]
HRP-anti-AFP	ELISA	0.5–16 ng/mL	0.5 ng/mL	Instruction book
ZMPs-AFP2/HRP	CV	0.01 ~ 200 ng/mL	4 pg/mL	This method