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. Author manuscript; available in PMC: 2017 Aug 21.
Published in final edited form as: J Biomed Mater Res B Appl Biomater. 2015 May 7;104(5):864–879. doi: 10.1002/jbm.b.33438

Figure 5. Release of growth factors from keratin hydrogels.

Figure 5

Release of bFGF, VEGF, and IGF-1 were determined by ELISAs specific to each growth factor. The rate of degradation of the keratin gels (A. keratose or B. kerateine) are shown as determined by DC protein assay to show correlation between rate of release and keratin hydrogel degradation rate. Please note the differences in scale between keratose (A) and kerateine (B). Inset shows release from kerateine on same scale as keratose to demonstrate the large Keratin hydrogel carrier system difference in release. Error bars are standard deviation, but are too small to see on the graph in some locations.