Hepatocyte Culture between Woven Capillary Networks: A Microscopy Study

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Abstract
A multi‐compartment capillary membrane culture model with independently perfused three‐dimensionally woven capillaries was developed for immobilization of hepatocytes in bioreactors. This enables spatial restructuring of cells and enhanced mass transfer performance with more efficient oxygenation and metabolite exchange. Seeding density defines cell behaviour in this model. With low densities cells attach to the membranes and flatten. Increasing density leads to spontaneous formation of aggregates which are immobilized between the capillaries.