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Topographic AFM images
of the C6C22C6/DOPE SLB in the absence
(t = 0 min) and
presence of pDNA at ρeff = 4 and molar compositions
of the cationic lipid in the mixed lipids of (a) α = 0.2 and
(b) α = 0.5. The Z scale bar is 20 nm.