Table 1 Comparison of the performance on Ebola antigen detection between the current FET biosensor and other published works/commercial products. For limit of detection, some studies utilized pfu/ml as a measure of virus concentration, while other studies including ours utilized ng/ml for protein concentration. There is no direct conversion between the two units.

From: Field-Effect Transistor Biosensor for Rapid Detection of Ebola Antigen

 

Technique

Target

Dispersion medium

Limit of detection

Processing time

Our work

FET

EGP

PBS, serum, plasma

1 ng/ml

within a few seconds

ReEBOVTM

chromatography

VP40

blood, plasma

625 ng/ml

15–25 min

Duan et al.9

chromatography

EGP

serum

100 ng/ml

30 min

Yen et al.8

chromatography

EGP

serum

150 ng/ml

 

Daaboul et al.10

single-particle interferometric reflectance imaging sensor

pseudotyped Ebola virus

blood, serum

5 × 103 pfu/ml

2 h

Yanik et al.12

opto-fluidic nanoplasmonic

pseudotyped Ebola virus

PBS

106 pfu/ml

90 min

Cai et al.11

opto-fluidic chip

Ebola RNA

water

0.2 pfu/ml

3–10 min