Table 2.

Performance comparison of different optical fiber biochemical sensors.

Sensing Principle	Detection Substances	Detection Range	Detection Limitation	Reference
SPR	IgG	2 mg/mL–100 mg/mL	0.90 μg/mL	[24]
SPR	MMP-9	10 ng/mL–200 ng/mL	8 pg/mL	[25]
SPR	DNA	10 pM–100 pM	10 pM	[26]
TFBG-SPR	Hg2+	10 pM–1 mM	3.073 pM	[16]
LPG-SPR	As3+	0–0.2 ppb	0.04 ppb	[17]
LSPR	DNA	100 pM–1 μM	67 pM	[27]
SPR	GDF11	1 pg/mL–10 ng/mL	0.34 pg/mL	This work