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. Author manuscript; available in PMC: 2014 Jul 21.
Published in final edited form as: Mol Pharm. 2011 Aug 24;8(5):1582–1591. doi: 10.1021/mp200171d

Figure 5.

Figure 5

Hydrogel mechanical properties for hydrogels with different RGD concentrations and presentations. The mechanical properties of the hydrogels were determined using plate-to-plate rheometry Storage (A, B)modulus over a frequency range of 0.1 to 10 rad/s at a constant strain of 0.03 are shown for hydrogels with various RGD concentrations and presentations, respectively. RGD presentation is displayed as number of RGD/HA molecule with 4.7 RGD/HA being the most clustered condition and .2 RGD/HA being the least clustered/homogeneously distributed condition.