Table 1 Comparative study of biosensor efficiency.

From: A comparative Study of Aptasensor Vs Immunosensor for Label-Free PSA Cancer Detection on GQDs-AuNRs Modified Screen-Printed Electrodes

Techniques

Aptasensor

Immunosensor

CV

Sensitivity

3.7 µA ng mL−1

4.6 µA ng mL−1

LOD

0.14 ng mL−1

0.14 ng mL−1

DPV

Sensitivity

2.5 µA ng mL−1

2.39 µA ng mL−1

LOD

0.14 ng mL−1

0.14 ng mL−1

EIS

Sensitivity

35 kΩ ng mL−1

25.6 kΩ ng mL−1

LOD

0.14 ng mL−1

0.42 ng mL−1

In-buffer

Sensitivity

178 × 103 kΩ ng mL−1

140 × 103kΩ ng mL−1

LOD

0.14 ng mL−1

0.42 ng mL−1

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