Summary of Drying Studies for 370 mg/mL BSA Formulation Sucked Back into Glass Nozzles or Stainless Steel Nozzles of Different Sizes
| Study Finding | Stainless Steel Nozzle | Glass Nozzle | |||
|---|---|---|---|---|---|
| 1.5 mm | 2.0 mm | 2.5 mm | 1.8 mm | 2.4 mm | |
| Optimal SB setting | 10 | 3 | 2 | 4 | 2 |
| Drying time for nozzle clogging (min) | 5 | >60* | 90 | 20–30 | >60* |
| Contact angle (°) | 86.1 ± 1.8 | 40.3 ± 2.4 | |||
↵* Drying experiment and nozzle observation did not exceed 60 min.