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. Author manuscript; available in PMC: 2013 Mar 19.
Published in final edited form as: Biomaterials. 2011 Jul 23;32(30):7432–7443. doi: 10.1016/j.biomaterials.2011.06.027

Figure 4.

Figure 4

Particle activity characterization. (A) Micrographs of cell migration experiment indicate movement of front from time 0 (top pictures) to 18 hours later (bottom pictures) in every condition except the negative control (Scale bar = 100 μm). (B) Quantification of the migration study shows particle bound VEGF is active. No statistical significance is observed between Vc, hNP, and Vs (n = 3).