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. Author manuscript; available in PMC: 2017 Aug 1.
Published in final edited form as: J Tissue Eng Regen Med. 2013 Oct 30;10(8):690–699. doi: 10.1002/term.1843

Fig. 2.

Fig. 2

Dynamic 3D micropatterned co-culture in the photocurable PEG and chemically degradable alginate hydrogel. mES and HepG2 cells were encapsulated in the PEG and alginate hydrogels, respectively (Day 0). The mES and HepG2 cells were cultured for 4 days and the alginate hydrogel was subsequently degraded on day 4. (a) mES and HepG2 cells were labeled with CellTracker Green and CellTracker Red, respectively. (b) Live and dead cells were indicated by calcein-AM (green) and ethidium homodimer (red), respectively.