Fig. 4: Characterization of 3D HepG2 liver organ-on-a-chip.

A Microfluidic motion in the chip. B Cells grow in the chip. C Fluorescence staining image of the organ-on-a-chip.

A Microfluidic motion in the chip. B Cells grow in the chip. C Fluorescence staining image of the organ-on-a-chip.