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. Author manuscript; available in PMC: 2013 Jan 8.
Published in final edited form as: Eur Cell Mater. 2012 Oct 16;24:331–343. doi: 10.22203/ecm.v024a24

Fig. 3.

Fig. 3

Scanning electron micrographs of electrospun unmodified methacrylated alginate (UMA), RGD-modified methacrylated alginate (RMA), as well as heparin and RGD-modified methacrylated alginate (HRMA) nanofibres (prior to PEO extraction) (a–f) before and (g–l) after cross-linking using UV irradiation. Images represent: (a and g) UMA14 (b and h) UMA24 (c and i) UMA44, (d and j) UMA84, (e and k) RMA84, and (f and l) HRA84. Scale bars represent 3 μm.