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. Author manuscript; available in PMC: 2015 Jul 28.
Published in final edited form as: Biomacromolecules. 2011 Jun 15;12(7):2715–2722. doi: 10.1021/bm200492h

Figure 2.

Figure 2

HUVECs seeded onto 2D surfaces modified with PEG-ephrinA1 exhibited robust tubule formation (mean ± s.e.m) where PEG-ephrinA1 concentration had a significant effect (p≪0.05). As early as 14 days, the 0.392 μg PEG-ephrinA1 induces significantly more tubule formation when compared to 0 and 0.039 μg (# p<0.05). By 28 days, the presence of PEG-ephrinA1 maintains tubule formation, and a significant difference is visible between the control and both 0.216 and 0.392 μg PEG-ephrinA1 (* p<0.05). Complete Bonferroni post hoc analysis is provided in supplemental table 1.