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. Author manuscript; available in PMC: 2013 Apr 10.
Published in final edited form as: J Control Release. 2012 Jan 20;159(1):111–119. doi: 10.1016/j.jconrel.2012.01.010

Fig. 2.

Fig. 2

Light Scattering and ζ-Potential Measurements were performed to determine polymer/pDNA (polyplex) particle size (diameter) of putative gene carrier formulations (A) and surface charge (B) at increasing polymer concentrations, indicated by polymer/pDNA weight-to-weight ratios on the graphs. TEM images were taken in order to visualize polyplex and 100% 0.5:1 w/w (C) and 100% 3:1 w/w (D) are shown as representative images. Scale bar equals 200nm.