Three-dimensional microfluidic networks using a flexible biodegradable polymer have been fabricated using modified microfabrication processes tailored specifically for poly(glycerol-co-sebacate). A model hepatocyte cell line (HepG2) is seeded and perfused in the microfluidic networks to demonstrate cell viability and function, which is maintained in long-term perfusion culture (see Figure; scale bar is 50 μm). The seeded, fully degradable device can potentially be integrated into a patient's existing vasculature in order to restore organ function.
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