Sample Description

% antigen 1 recovered

Harvest material

100 %

Clarified permeate

70%

1st diafiltration

25%

2nd diafiltration

5%

3rd diafiltration

1%

4th diafiltration

0.5 %

Table 3: Quantifying the amount of product recovered at the concentration step and diafiltration steps in comparison to the amount of product available in the harvest materiala.