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Protein aggregation under high concentration/density state during chromatographic and ultrafiltration processes
Tsutomu Arakawa1, Daisuke Ejima2, Teruo Akuta3
1Alliance Protein Laboratories, 6042 Cornerstone Court West, San Diego, CA 92121, United States.
High protein concentrations during pharmaceutical processing, like in chromatography and ultrafiltration, can cause issues. This summary shares experiences managing these challenging high-density conditions.
Area of Science:
- Biotechnology
- Chemical Engineering
- Pharmaceutical Sciences
Background:
- High protein concentrations occur during critical pharmaceutical processing steps.
- Examples include saturated binding in column chromatography and membrane concentration in ultrafiltration.
- These conditions are common in the production of therapeutic proteins.
Purpose of the Study:
- To summarize practical experiences with high protein concentration conditions.
- To provide insights into managing challenges in pharmaceutical protein processing.
- To highlight the importance of understanding high-density phenomena.
Main Methods:
- Review of operational experiences in pharmaceutical protein production.
- Analysis of scenarios involving saturated protein binding.
- Examination of ultrafiltration processes at high protein densities.
Main Results:
- Transient high protein concentrations present unique processing challenges.
- Effective management is crucial for yield and product quality.
- Understanding these conditions informs process optimization.
Conclusions:
- High protein concentration events are integral to pharmaceutical protein manufacturing.
- Addressing these phenomena is key to robust and efficient processes.
- Further research can optimize strategies for managing high-density states.
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