Table 4 Recovery of V. cholerae J3324 and V. cholerae UVC1324 DNAs by using the proposed PSA-AuNPs-based electrochemical DNA biosensor
Bacteria (μg/μL) | Current (μA), n = 3 | Found (μg/μL) | Recovery (%) |
|---|---|---|---|
Vibrio cholerae J3324 | |||
1.0 × 10−4 | 12.82 ± 0.35 | 1.07 × 10−4 | 107.2 |
1.0 × 10−5 | 11.56 ± 0.22 | 9.14 × 10−6 | 91.4 |
1.0 × 10−6 | 10.41 ± 0.37 | 9.55 × 10−7 | 95.5 |
Vibrio cholerae UVC1324 | |||
1.0 × 10−4 | 12.76 ± 0.56 | 9.57 × 10−5 | 95.7 |
1.0 × 10−5 | 11.61 ± 0.43 | 1.01 × 10−6 | 100.5 |
1.0 × 10−6 | 10.48 ± 0.48 | 1.09 × 10−6 | 108.9 |