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. 2019 May 2;14:3203–3220. doi: 10.2147/IJN.S207589

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© 2019 Ye et al.

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In vitro cellular uptake of coumarin-6-loaded liposomes in RAW264.7 cells or IL-4-conditioned RAW264.7 cells. (A) CLSM images of cellular uptake. (B and C) Mean fluorescence intensity was determined by flow cytometry. Scale bar =20 µm. Each value represents the mean ± SD (n=3). **p<0.01 and ***p<0.001.

Abbreviations: Lipo, liposomes; PEG-Lipo, PEGylated liposomes; Man-PEG-Lipo, mannosylated liposomes; IL-4, Interleukin-4; CLSM, confocal laser scanning microscopy.