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. Author manuscript; available in PMC: 2017 May 8.
Published in final edited form as: Gene Ther. 2016 Nov 8;24(1):31–39. doi: 10.1038/gt.2016.73

Figure 1.

Figure 1

Representative size distribution diagram of PEI-pPDGF polyplexes as determined using Zetasizer Nano (a) and TEM image of PEI-pPDGF polyplexes prepared at a N:P ratio of 10 (scale bar = 1 μm; inset scale bar = 500 nm) (b) and SEM image of a collagen scaffold (scale bar = 1.00 mm)(c).