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Size distribution of particles from bPEI and pDNA mixed: (a) in bulk; (b) in a 3-in-1-channel by diffusive mixing without applied SAW; (c) in a 3-in-1-channel with applied SAW (solid, dashed and dotted lines show the results of three measurements); (d) Hydrodynamic Radii Rh determined by DLS; (e) PDI of the according particles from (a–c).
