Recovery of Protein A and Protein A Dimer from Stored Prefillable Syringes after 1 Year
| Sample | Soluble Protein Recovered (SE-HPLC) | Dimer (Percent of Soluble Protein) |
|---|---|---|
| Control | 100.00 ± 0.27 | 2.55 ± 0.15 |
| Glass—5 °C | 99.73 ± 0.61 | 2.60 ± 0.15 |
| CZA—5 °C | 100.87 ± 0.27 | 2.46 ± 0.08 |
| CZE—5 °C | 100.54 ± 0.17 | 2.51 ± 0.07 |
| Glass—25 °C | 99.69 ± 0.62 | 4.90 ± 0.33 |
| CZA—25 °C | 101.55 ± 0.66 | 2.85 ± 0.16 |
| CZE—25 °C | 101.51 ± 0.82 | 2.75 ± 0.12 |