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Size of PEI-AuNPs/pLR1. This graph represents the size of the PEI-AuNPs/pLR1 at different weight ratios of PEI-AuNPs and DNA (pLR1) measured by a Zetasizer. The PEI-AuNPs used are NP4 that were synthesized with 8 mg/mL of the initial concentration of PEI.
