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Updated: Jun 10, 2026

Process Optimization using High Throughput Automated Micro-Bioreactors in Chinese Hamster Ovary Cell Cultivation
Published on: May 18, 2020
Model-based analysis and optimization of bioreactor for hematopoietic stem cell cultivation
M T A P Kresnowati1, G M Forde, X D Chen
1Bioprocess and Microbiology Laboratory, Department of Chemical Engineering, Faculty of Industrial Technology, Bandung Institute of Technology, Ganesha 10, Bandung 40132, Indonesia. kresnowati@che.itb.ac.id
Limited hematopoietic stem cell (HSC) availability is a challenge. This study developed a mathematical model and feeding strategies for ex vivo HSC cultivation in a microchannel bioreactor, improving cell yield.
Area of Science:
- Biotechnology
- Stem Cell Biology
- Bioprocess Engineering
Background:
- Hematopoietic stem cell (HSC) applications are limited by cell availability.
- Traditional T-flask cultivation poses contamination risks and is labor-intensive.
- Optimization of ex vivo HSC cultivation in bioreactors remains underexplored.
Purpose of the Study:
- To develop a mathematical model for ex vivo HSC cultivation dynamics in a microchannel perfusion bioreactor.
- To optimize HSC cultivation by proposing and evaluating novel feeding strategies.
- To prevent nutrient limitation and enhance cell yield in bioreactor systems.
Main Methods:
- Development of a mathematical model simulating nutrient distribution and cell concentration.
- Proposal and evaluation of three distinct feeding strategies: oxygen concentration increase, media inflow increase, and feedback control of media inflow.
- Assessment of strategies to prevent nutrient limitation and improve cell yield.
Main Results:
- The developed mathematical model accurately describes HSC cultivation dynamics.
- All three proposed feeding strategies successfully prevented nutrient limitation.
- Evaluated strategies significantly improved overall bioreactor cell yield.
Conclusions:
- The mathematical model provides a valuable tool for bioreactor design and operational optimization.
- Optimized feeding strategies enhance the efficiency of ex vivo HSC cultivation.
- This work contributes to overcoming cell availability limitations for HSC applications.
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