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. 2017 Jul 26;12:5331–5343. doi: 10.2147/IJN.S137245

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© 2017 Luo et al. This work is published and licensed by Dove Medical Press Limited

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Transfection efficiency of PEG-SS-PEI-SPIONs and FA-PEG-SS-PEI-SPIONs.

Note: (A) Transfection efficiency and (B) mean fluorescence index of PEG-SS-PEI-SPION siRNA, FA-PEG-SS-PEI-SPION/siRNA, or Lipofectamine 2000/siRNA as control, determined by flow cytometry.

Abbreviations: PEG, polyethylene glycol; SS, disulfide; PEI, polyethylenimine; SPIONs, superparamagnetic iron oxide nanoparticles; FA, folic acid; N:P, nitrogen:phosphate.