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In vitro transfection efficacies of RALA/DNA nanoparticles at various N:P ratios (N:P 0–12) following dissolution from polymer matrices. (A) Representative fluorescent images and (B) cell transfection efficacies of NCTC 929 fibroblast cells following transfection with RALA/pEGFP-N1 nanoparticles released from i) 360 kDa PVP, ii) 58 kDa PVP, iii) 13–23 kDa PVA and iv) 9–10 kDa PVA polymer gels at various N:P ratios (N:P 0–12), (mean + SEM, n = 3).
