噬斑试验 0.5ml 0.5ml 4.5ml Virus stock 10 0 10 1 ml/dish Average plaques/ml: 11 PFU/ml of virus stock 11x108=1.1x109 PFU: plaque forming unit 10噬斑试验 0.5ml 0.5 ml Virus stock 4.5 ml 101 102 103 104 105 106 107 108 10 12 11 Average # plaques/ml: 11 PFU/ml of virus stock: 11 x 108 = 1.1 x 109 PFU: plaque forming unit 1 ml/dish