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. 2020 Mar 27;15:2119–2129. doi: 10.2147/IJN.S240083

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© 2020 Yao et al.

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Cellular uptake of doxorubicin by CT26 cancer cells or CHO control cells. The cells were treated with free Dox or Apt-HJ-Dox, and evaluated by confocal microscopy. Scale bar: 10 μm. The red fluorescence was from doxorubicin. The cell nuclei were stained blue with Hoechst.