Table 2.

An overview of performance of CRISPR detection based on electrochemical signal sensing.

Method	Target	Test Time	Sensitivity	Reference
E-CRISPR	Viral nucleic acids (HPV-16 and PB-19)	30 min	50 pM	[39]
CRISPR/Cas12a-Mediated Electrochemical Nucleic Acid Sensing	DNA	60 min	30 pM	[40]
E-DNA Sensor	DNA	60 min	10 fM	[41]
CRISPR/Cas13a-Powered Electrochemical Microfluidic Biosensor	microRNA	4 h	10 pM	[42]
Label-free Impedance Biosensing	bacterial DNA (E. coli and S. aureus)	1.5 h	3 nM	[43]
Electrochemical Strategy for Low-Cost Viral Detection	Viral nucleic acids (HIV and HPV)	3 h	104 copies	[44]
RAA-based E-CRISPR	bacterial DNA (L. monocytogenes)	1 h	26 CFU mL−1	[45]