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Comparison of phage titer determinations with DLA and with PAMA using different antibiotics
| DLA | AMP [0.5] | CEF [0.06] | TET [1.5] | |
|---|---|---|---|---|
| phi PVP-SE1 | ||||
| PFUs (average ± SD) | 14 ± 5 | 55 ± 10 | 53 ± 11 | 58 ± 10 |
| SD % | 38 | 19 | 21 | 17 |
| phi PVP-SE2 | ||||
| PFUs (average ± SD) | 54 ± 4 | 54 ± 5 | 48 ± 11 | 51 ± 3 |
| SD % | 8 | 8 | 23 | 6 |
DLA: classical Double-Layer Agar technique; AMP [0.5]: PAMA with 0.5 mg/l ampicillin; CEF [0.06]: PAMA with 0.06 mg/l cefotaxime; TET [1.5]: PAMA with 1.5 mg/l tetracycline.
