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. Author manuscript; available in PMC: 2018 Jun 1.
Published in final edited form as: Biomaterials. 2017 Mar 1;129:37–53. doi: 10.1016/j.biomaterials.2017.02.032

Figure 7.

Figure 7

(A) Peptide-polymer amphiphile (PPA) containing an MMP-2 and MMP-9 specific recognition sequence (underlined), and PPA nanoparticles self-assembled through hydrophobic-hydrophilic interactions when dialyzed into aqueous buffer. (B) Circulating nanoparticles in the bloodstream (not to scale) upon intravenous delivery. (C) Retention of intravenously delivered nanoparticles in the myocardium. Red: Labeled PPA 2 d post-injection, green: α-actinin. Areas within white boxes are enlarged in the original publication and show retention of PPA nanoparticles in these areas. Scale bar = 50 μm [93].