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Expression of EGFP with dipeptide Nps. (a) TEM images of Nps formed by condensing EGFP plasmid DNA with Lys-∆Phe and Arg-∆Phe. Scale bar 200 nm. (b) Fluorescent images showing transfection and EGFP expression in HUH 7 cells by Arg-∆Phe Nps (10 X magnification).
