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. 2020 Jul 16;15:5131–5146. doi: 10.2147/IJN.S257084

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© 2020 Ou et al.

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The efficiency evaluation of cy3-labeled miR-214 inhibitor delivery by GO-PEI complexes. (A) The relative fluorescence of GO-PEI and miR-214 inhibitor at various N/P ratios (0, 10, 20, 30 and 60). *p < 0.05, **p < 0.01. (B) The relative fluorescence of GO-PEI and miR-214 inhibitor at the N/P ratio of 30 at different time points (1, 4, 8, 16, 24, 36, 48 and 72 h). *p < 0.05, **p < 0.01. (C) Fluorescence images of cy3-labeled miR-214 (red) delivered by GO-PEI within MG63 cells are shown. The nuclei were stained with DAPI (blue). Scale bars: 50 μm.