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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: Acta Biomater. 2014 Dec 15;14:43–52. doi: 10.1016/j.actbio.2014.12.007

Figure 4.

Figure 4

Confocal microscopy images of actin-stained human dermal fibroblasts encapsulated within 6% w/v PEG-bis-AP/0.36% w/v HA semi-IPNs prepared using HA with molecular weights of 100 kDa (A), 700 kDa (B), 1.0 MDa (C) and 1.5 MDa (D) at 200 μm depth after 7 days culture and corresponding circularity values (E). Scale bar = 100 μm. *=p<0.05 relative to PEG-bis-AP/HA semi-IPN with 100 kDa HA.