Figure 7From: The use of antibiotics to improve phage detection and enumeration by the double-layer agar techniqueInfluence of PAMA on phi PVP-SE2 phage plaques. A – Classical DLA; B – PAMA with 0.5 mg/l ampicillin and 5% glycerol; C – PAMA with 0.06 mg/l cefotaxime and 5% glycerol; D – PAMA with 1.5 mg/l tetracycline and 5% glycerol.Back to article page