Table 1 The comparison of the proposed electrochemical biosensor with other reported methods for MiRNA detection.

From: An enzyme-free electrochemical biosensor for sensitive and specific detection of microRNA-21 based on target recycling amplification and non-linear hybridization chain reaction

Method

Linear range

LOD

Reference

Electrochemical

100 fM-0.1 µM

33.3 fM

23

Electrochemical

0.5 pM-12.5 nM

290 fM

24

Fluorescence

2 pM-10 nM

1.7 pM

25

Electrochemical

10 pM-104 pM

10 pM

26

Colorimetric

1 nM-100 nM

0.7 nM

27

SPR

5 fM-1 pM

0.62 fM

28

Electrochemical

1 fM-10 nM

0.8 fM

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