Figure 1From: Self-assembled nanoparticles based on modified cationic dipeptides and DNA: novel systems for gene deliveryNps formed by Lys-ΔPhe and Arg-ΔPhe at a concentration of 2 mg/ml. Hydrodynamic diameter measurements of Lys-∆Phe Nps at a concentration of 2 mg/ml (a) and Arg-∆Phe at 2 mg/ml (b). TEM images of Lys-∆Phe (c) and Arg-∆Phe Nps (d). Scale bar 200 nm.Back to article page