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Design of a fluidized bed bioartificial liver
C Legallais1, E Doré, P Paullier
1Technological University of Compiègne, Department of Biological Engineering, Compiègne Cedex, France.
Artificial Organs
|August 1, 2000
Summary
This study designed a novel bioreactor for extracorporeal liver support using fluidized alginate beads. Optimized design ensures efficient fluidization and mass transfer for improved liver supply applications.
Area of Science:
- Biomedical Engineering
- Chemical Engineering
- Biotechnology
Background:
- Extracorporeal liver support requires efficient mass transfer.
- Alginate beads offer a potential matrix for liver cells.
- Fluidized bed bioreactors can enhance mixing and nutrient exchange.
Purpose of the Study:
- To design and optimize a bioreactor for extracorporeal liver supply.
- To achieve effective fluidization and mass transfer using alginate beads.
- To establish criteria for scaling up the bioreactor system.
Main Methods:
- Designed a fluidized bed bioreactor with alginate beads.
- Investigated fluidization characteristics of alginate beads in saline solution.
- Optimized bioreactor dimensions (cross-section, height) based on operating conditions and flow rate.
- Monitored head losses to confirm efficient fluidization.
Main Results:
- Confirmed that alginate beads and saline solution allow for fluidization.
- Determined optimal bioreactor design parameters for efficient fluidization.
- Demonstrated effective fluidization under optimized conditions via head loss measurements.
- Established criteria for scaling up the bioreactor.
Conclusions:
- The designed bioreactor effectively utilizes fluidized alginate beads for potential extracorporeal liver supply.
- Optimization of design parameters ensures satisfactory mixing and mass transfer.
- The study provides a foundation for scaling up this bioreactor technology for clinical applications.