Fig. 3From: Brain-targeted delivery of resveratrol using solid lipid nanoparticles functionalized with apolipoprotein EEffect of time of storage on zeta potential of resveratrol-loaded SLNs non-functionalized and functionalized with ApoE. Zeta potential after 1 week (), 1 month (), 3 months () and 6 months (). All data represent the mean ± SD (n = 3). No statistically significant differences have been found (P > 0.05)Back to article page