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. Author manuscript; available in PMC: 2015 Sep 28.
Published in final edited form as: J Control Release. 2014 May 14;0:500–514. doi: 10.1016/j.jconrel.2014.04.033

Figure 4.

Figure 4

Penetration of siRNA-loaded PLGA nanoparticles (green) into the vagina and uterine tissue of mice 24 h after vaginal administration. Multiphoton microscopy was used to obtain deep tissue images. Image dimensions are 400 μm x 400 μm x 75 μm. Tissue is stained blue with Hoescht dye. Modified with permission from (74).