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. Author manuscript; available in PMC: 2014 Jul 1.
Published in final edited form as: Biomaterials. 2013 Apr 19;34(21):5117–5127. doi: 10.1016/j.biomaterials.2013.03.086

Figure 2.

Figure 2

Effect of cross-linker chemistry on PANC-1 cell growth and morphogenesis in 5 wt% PEG4NB20kDa hydrogels. (A) PANC-1 cell morphology visualized by Z-stack confocal microscope after Live/Dead staining at day 4, 7, and 10 (Scales: 100 μm). (B) Cell metabolic activity measured as a function of time by AlamarBlue® reagent. All readings were normalized to day-1 values in the respective group. Single and triple asterisks represent a p value of < 0.05 and < 0.0001, respectively.