The comparison of proposed method with other methods for the detection of CRP.

Method	Linear range	Detection limit	Reference
Label-free immunoassay	0.2–80 ng mL−1	0.04 ng mL−1	23
Molecularly imprinted	0.0625–1 mg mL−1	0.0625 mg mL−1	24
Fluorescent aptasensor	0.05–100 ng mL−1	0.01 ng mL−1	25
Surface plasmon resonance-based immunoassay	1.2–80 ng mL−1	1.2 ng mL−1	26
Electrochemical immunosensor	0.01–100 ng mL−1	3.3 pg mL−1	This work