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. Author manuscript; available in PMC: 2020 May 25.
Published in final edited form as: J Ind Eng Chem. 2019 Jan 28;73:8–18. doi: 10.1016/j.jiec.2019.01.021

Figure 4.

Figure 4.

Penetration of PLGA and PLGA-PEG nanoparticles into the brain in living mice. (a) Direct comparison of the distribution of fluorophore-loaded nanoparticles of similar sizes with different surface coatings 60 min after injection into the mice. (b) Direct comparison of the distribution of PEG-coated nanoparticles of various sizes 60 min after injection into the mice. Scale bar is 50 mm. Reproduced with permission [54]. Copyright 2012, AAAS.