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Physiochemical characteristics of p(TETA/CBA)5k and p(TETA/CBA)5k-g-PEG2k/pCMVLuc polyplexes. a) Particle size and b) ζ-potential measurements of each respective gene carrier at increasing polymer concentrations using a known amount of pDNA. PEG2k conjugation to p(TETA/CBA) reduces polyplex surface charge, but interferes with pDNA condensation.
