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. 2018 Oct 26;13:6885–6902. doi: 10.2147/IJN.S180119

Figure 4.

Figure 4

Cellular uptake assay of different formulations. (A) Cellular uptake of different formulations analyzed using fluorescence microscopy. Green and blue represented siRNA and nucleic, respectively. Scale bar represented 50 µm; flow cytometry measurement of cellular uptake of different formulations at 4 hours (B) and time-dependent cellular uptake (C).

Note: **P<0.01.

Abbreviations: LR, lipoplex; mPEG, methoxy poly(ethylene glycol); PD, PHis-PSD; PHD, mPEG-PHis-PSD; PHis, poly(histidine); PSD, poly(sulfadimethoxine).