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. 2017 Oct 9;3(4):35. doi: 10.3390/gels3040035

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Hydrolytic stability of hydrogels prepared with gelatin (10 wt %) or albumin (10 wt %) and heparin (1 wt %) with 0.125 M EDC. Hydrogels were incubated under the same conditions as for the release of growth factor. Gel yield (A) and DS (B) were determined at different time points and are denoted as percentage of the initial values in the figure. There was no significant decrease in gel yield for both biopolymers (p > 0.05; n = 5); for the EDS a significant increase for albumin-based hydrogels was noticed (p < 0.05; n = 5), while no significant effect for gelatin type A gels was found (p > 0.3; n = 5).