Analytical Centrifugal Ultrafiltration as a Tool for High Throughput Process Development in Virus Removal Filtration.

Area of Science:

• Biopharmaceutical Manufacturing
• Filtration Technology
• Analytical Chemistry

Background:

• Virus removal filtration is critical in biopharmaceutical production for protein therapies.
• High-throughput development (HTPD) platforms are needed for faster screening of filtration materials.
• Existing methods can be time-consuming for process optimization.

Purpose of the Study:

• To evaluate analytical centrifugal ultrafiltration as a scaled-down HTPD tool for virus filtration.
• To assess the performance of a nanocellulose membrane in this system.
• To determine its efficacy for screening filtration materials and parameters.

Main Methods:

• Integrated a nanocellulose filter (23 nm) into a centrifugal ultrafiltration apparatus.
• Evaluated flux characteristics, product yield, and IgG throughput.
• Assessed virus removal capacity using MS2 and ΦX174 bacteriophages.

Main Results:

• Centrifugal force generated multiple filtration pressure gradients for small samples.
• Observed reproducible flux decay profiles.
• Demonstrated superior IgG throughput and efficient virus removal.

Conclusions:

• Analytical centrifugal ultrafiltration is a valuable HTPD tool for biopharmaceutical virus filtration.
• The method enables rapid screening and optimization of filtration processes.
• It enhances efficiency in developing safe protein-based therapies.