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Parameters affecting the maximum cell concentration of Tetrahymena.
1Department of Biochemistry B, University of Copenhagen, Denmark.
Experientia
|January 15, 1988
Summary
Efficient aeration in cell cultures reaches maximum cell concentration (MCC) of 6 X 10(5) cells/ml in defined medium and 5.5 X 10(6) cells/ml in broth. Millicell cultures achieve a higher MCC of 13 X 10(6) cells/ml.
Area of Science:
- Biotechnology and Cell Culture
Background:
- Cell concentration is a critical parameter in bioprocesses.
- Optimizing culture conditions is essential for maximizing cell yields.
Purpose of the Study:
- To determine the maximum cell concentration (MCC) achievable under different culture conditions.
- To investigate the physical limits of cell density in bioreactors.
Main Methods:
- Cell cultures were performed with efficient aeration in both defined medium and broth.
- Cultures were also conducted within Millicells, ensuring excess medium supply and waste removal.
Main Results:
- Maximum cell concentration (MCC) reached 6 X 10(5) cells/ml in defined medium and 5.5 X 10(6) cells/ml in broth with efficient aeration.
- Culturing within Millicells resulted in a significantly higher MCC of approximately 13 X 10(6) cells/ml.
Conclusions:
- Millicell culture systems, with optimized medium supply and waste removal, overcome physical limitations for higher cell densities.
- This demonstrates a scalable method for achieving significantly greater cell concentrations in bioprocessing.