TABLE 3.
Comparison of detection results of PMA-qPCR and PMA-ddPCR in pure culture solutions.
| Plate count (CFU/mL) | PMA-qPCR (Ct) | PMA-ddPCR (Copies/μL) |
| 1.33 × 107 | 23.51 ± 0.08 | − |
| 1.33 × 106 | 27.62 ± 0.04 | 5699.22 ± 58.13 |
| 1.33 × 105 | 30.94 ± 0.12 | 503.01 ± 3.53 |
| 1.33 × 104 | 34.30 ± 0.22 | 55.17 ± 0.04 |
| 1.33 × 103 | 37.84 ± 0.08 | 10.60 ± 0.46 |
| 1.33 × 102 | − | 0.94 ± 0.06 |
| 6.63 × 101 | − | 0.43 ± 0.08 |
| 1.33 × 100 | − | − |
“−”: No valid data.