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. Author manuscript; available in PMC: 2010 Sep 1.
Published in final edited form as: J Pharm Sci. 2009 Sep;98(9):3319–3328. doi: 10.1002/jps.21564

Figure 3.

Figure 3

Lipoplex size after freezing in the presence of surfactant. Lipoplexes are formulated at 1 μg/ml initial DNA concentration containing varying levels of Tween 80 or octyl glucoside. A) Samples formulated at a sucrose/DNA weight ratio of 500; B) Samples formulated at a sucrose/DNA weight ratio of 2000. Note the different scales on the y-axes of the two panels. The particle sizes of fresh samples are indicated by filled circles on the y-axis. Each symbol and error bar represents the mean ± one standard error of triplicate samples. Asterisks indicate particle sizes that were not significantly different from fresh samples.