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. 2014 Mar 24;3(9):1387–1391. doi: 10.1002/adhm.201400065

Figure 2.

Figure 2

Fiber morphology and gel structure. Transmission electron images for the A) undecorated hSAF and C) RGDS-decorated hSAF fibers. Average fiber diameters were 13 ± 5 nm for hSAF-undecorated fibers and 17 ± 4 nm for RGDS-decorated hSAF fibers. B,D) Scanning electron images showing interconnected fibers forming porous hydrogels of similar morphology D) with and B) without alk-RGDS. The gels are self-supporting (insets). Scale bars on (A,C) equal 200 nm while scale bars on (B,D) equal 1 μm.