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Enrichment of nanobodies against PRRSV-N protein specific phages during three rounds of panning
| Round of panning | Phage input (PFU/Well) |
Phage output (PFU/Well) |
Recovery rate | Enrichment |
|---|---|---|---|---|
| First round | 5 × 1010 | 5.3 × 105 | 1.06 × 10−5 | 8.5 |
| Second round | 5 × 1010 | 1.9 × 106 | 3.8 × 10−5 | 4.0 × 101 |
| Third round | 5 × 1010 | 1.75 × 108 | 3.5 × 10−3 | 7.0 × 103 |
