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Characterization of lipidoid nanoparticles. TEM images of (A) lipidoid (NA114) nanoparticles in the absence of siRNA and (B) lipidoid (NA114) nanoparticles complexed with siRNA (5:1 weight ratio of lipidoid to siRNA). Scale bars indicate 200 nm. (C) Zeta potential and particle size of lipidoid (NA114) and siRNA-lipidoid (NA114) nanoparticles (5:1 weight ratio of lipidoid to siRNA).
