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Module fabrication and contraction. Module contraction occurred during the three days following HUVEC-C seeding. (a) Following contraction (day 3), modules made with 1.40 mm ID-tubing were significantly larger in diameter and length than modules made with 0.76 mm ID-tubing (p < 0.05). (b) Embedded HepG2 cells were uniformly distributed within modules at time of fabrication and retained high viability. [Scale bars are 250 μm, Live cells – green; dead cells – red]
