Table 1. Enrichment of phages by four consecutive rounds of panning.

Target Antibody	Selection Round	Input Titera	Output Titera	O/I Ratio	Enrichment Factorb
Chimeric	1	3.0×1013	6.7×104	2.2×10−9	1
	2	8.6×1012	3.8×105	4.5×10−8	20
	3	1.1×1013	6.1×105	5.8×10−8	26
	4	6.4×1012	2.1×107	3.3×10−6	1500
Murine	1	3.0×1013	1.0×106	3.3×10−8	1
	2	4.2×1012	8.5×104	2.0×10−8	0.6
	3	9.8×1012	2.9×106	2.9×10−7	9
	4	4.5×1012	3.1×107	7.0×10−6	212

^aTiters are shown as colony-forming unit (cfu)/ml.

^bEnrichment factor is defined as:

[O/I Ratio of selection round N]/[O/I Ratio of the first selection round].