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. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: Biomaterials. 2014 Feb 13;35(13):4213–4222. doi: 10.1016/j.biomaterials.2014.01.060

Figure 2.

Figure 2

Enzymatic cleavage of PEG-pp-PEI-PE (5ng/μL MMP2, overnight). (A) Thin layer chromatography; (B) The Rh-PE incorporated PEG-pp-PEI-PE micelles were digested and analyzed by size exclusion-HPLC. The fluorescence of Rh-PE was indicated by the red discontinuous curve. (C) Zeta potential of the polymers.