Table 1. Reported approaches for regeneration immunosensors.

Sl. No.	Methods	Detection limit	Driving force	Ref.
1.	On/off-switchable LSPR	7.6 fg to 91 mg/mL	Temperature	Current work
2.	Electrochemical	0–50 mg/mL	pH	[3]
3.	LSPR	50–1000 ng/mL	pH	[4]
4.	LSPR	0.1–10 ng/mL	pH	[5]
5.	Electrochemical	1 nM	Light, pH	[6]
6.	Electrochemical, QC	0.5–5 ng/mL	Light	[7]
7.	Electrochemical, LSPR	1.1 ng/mL	pH	[8]
8.	Fluorescence	1 nM	Electro-conductivity	[9]
9.	Electrochemical, QCM, Fluorescence	2 μg/mL	Temperature	[10]
10.	Electrochemical	0.5 ng/mL	Temperature	[12]