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. Author manuscript; available in PMC: 2012 Jan 1.
Published in final edited form as: Acta Biomater. 2010 Jul 17;7(1):75–82. doi: 10.1016/j.actbio.2010.07.001

Fig. 1.

Fig. 1

Concentration of methacrylated heparin in the two different weight-volume fraction PEG swollen gels as determined by uronic acid assay. Four PEG hydrogel samples of each weight-volume fraction were tested. Error bars on all graphs indicate standard error of the mean.