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|Title:||Numerical simulation on mass transport in a microchannel bioreactor for co-culture applications|
|Authors:||Zeng, Y. |
|Keywords:||Co-culture cell growth|
|Source:||Zeng, Y., Lee, T.-S., Yu, P., Low, H.-T. (2007-06). Numerical simulation on mass transport in a microchannel bioreactor for co-culture applications. Journal of Biomechanical Engineering 129 (3) : 365-373. ScholarBank@NUS Repository. https://doi.org/10.1115/1.2720913|
|Abstract:||Microchannel bioreactors have applications for manipulating and investigating the fluid microenvironment on cell growth and functions in either single culture or co-culture. This study considers two different types of cells distributed randomly as a co-culture at the base of a microchannel bioreactor: absorption cells, which only consume species based on the Michaelis-Menten process, and release cells, which secrete species, assuming zeroth order reaction, to support the absorption cells. The species concentrations at the co-culture cell base are computed from a three-dimensional numerical flow-model incorporating mass transport. Combined dimensionless parameters are proposed for the co-culture system, developed from a simplified analysis under the condition of decreasing axial-concentration. The numerical results of species concentration at the co-culture cell-base are approximately correlated by the combined parameters under the condition of positive flux-parameter. Based on the correlated results, the critical value of the inlet concentration is determined, which depends on the effective microchannel length. For the flow to develop to the critical inlet concentration, an upstream length consisting only of release cells is needed; this upstream length is determined from an analytical solution. The generalized results may find applications in analyzing the mass transport requirements in a co-culture microchannel bioreactor. Copyright © 2007 by ASME.|
|Source Title:||Journal of Biomechanical Engineering|
|Appears in Collections:||Staff Publications|
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