Table 1.

Phage enrichment rounds in the first cycle (a) and second cycle (b) of selection from a phage library

Input (pfu)	Output (pfu)	Rate	Enrichment
(a) First cycle enrichment
1.22 × 1012	4.0 × 103	3.27 × 10−9
6.55 × 1012	3.827 × 105	5.8 × 10−8	17.7
4.56 × 1012	6.04 × 107	1.32 × 10−5	227.56
Total yield	4.0 × 103
(b) Second cycle enrichment
1.22 × 1012	8.0 × 103	5.92 × 10−9
1.4 × 1012	2.56 × 105	1.82 × 10−7	30.74
2.7 × 1011	6.04 × 107	2.23 × 10−4	1225.27
Total yield	3.76 × 104