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. Author manuscript; available in PMC: 2020 Jul 22.
Published in final edited form as: Gene Ther. 2014 Apr 3;21(6):566–574. doi: 10.1038/gt.2014.29

Figure 2. Penetration of pDNA/PEIm nanoparticles into the skin.

Figure 2.

(a) Dorsal skin of control BALB/c mice without skin exfoliation and nanoparticle application; (b) Application of Alexa-514-labeled nanoparticle onto the surface of exfoliated dorsal skin of mice. Penetration depth is 50-110 μm; (c) Application of Alexa-514-labeled nanoparticles onto the surface of shaved skin. Penetration depth is 1-40 μm.