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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Acta Biomater. 2014 Oct 2;11:27–36. doi: 10.1016/j.actbio.2014.09.032

Figure 2.

Figure 2

Diffusivity of FITC–dextran in agarose and silk hydrogels. The diffusivity of FITC–dextran (MW = 70 kDa) in silk hydrogels made from varying silk protein (n = 5 for all groups). 70 kDa FITC–dextran was selected as its size is similar to the major cartilage growth factor TGF-β.