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. Author manuscript; available in PMC: 2009 Sep 10.

Published in final edited form as: J Control Release. 2008 Apr 24;130(2):129–138. doi: 10.1016/j.jconrel.2008.04.014

Dose dependent study of branched PEI-pDNA nanoparticle complexes. (a) Quantification of the signal produced in Balb/c mice after IP injection of each formulation. Values shown are mean ± standard deviation (n=3). (b)–(e) Luciferase expression in Balb/C mice measured by IVIS. (b), (c), (d) and (e) represent 24 hours, 48 hours, 72 hours, and 7 days after injection. The number of photons is depicted in a color image superimposed on a video image of the animal. Each mouse presented in the figure is representative of at least three mice in each experiment.

Dose dependent study of branched PEI-pDNA nanoparticle complexes. (a) Quantification of the signal produced in Balb/c mice after IP injection of each formulation. Values shown are mean ± standard deviation (n=3). (b)–(e) Luciferase expression in Balb/C mice measured by IVIS. (b), (c), (d) and (e) represent 24 hours, 48 hours, 72 hours, and 7 days after injection. The number of photons is depicted in a color image superimposed on a video image of the animal. Each mouse presented in the figure is representative of at least three mice in each experiment.