Table 4.
Batch 1 | Batch 2 | Batch 3 | |
Specific activity (IU/mg) | 7480 | 10 324 | 8146 |
HCP (ng 1000 IU−1) | 40 | 33 | 38 |
mAb (ng 1000 IU−1) | 0.05 | 0.04 | 0.05 |
HMWP (%) | 0.3 | 0.8 | 0.4 |
HCP, host cell protein; HMWP, high molecular weight protein; IgG, immunoglobulin G.