Biology – Quantitative Biology – Quantitative Methods
Scientific paper
2011-01-11
Biology
Quantitative Biology
Quantitative Methods
9 pages, 3 figures
Scientific paper
We report the key findings from numerical solutions of a model of transport within an established perfusion bioreactor design. The model includes a complete formulation of transport with fully coupled convection-diffusion and scaffold cell attachment. It also includes the experimentally determined internal (Poly-L-Lactic Acid (PLLA)) scaffold boundary, together with the external vessel and flow-port boundaries. Our findings, obtained using parallel lattice Boltzmann equation method, relate to (i) whole-device, steady-state flow and species distribution and (ii) the properties of the scaffold. In particular the results identify which elements of the problem may be addressed by coarse grained methods such as the Darcy approximation and those which require a more complete description. The work demonstrates that appropriate numerical modelling will make a key contribution to the design and development of large scale bioreactors.
Care C. M.
Cartmell S. H.
Halliday Ian
Hidalgo-Bastida L. A.
Spencer T. J.
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