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. Author manuscript; available in PMC: 2018 Jun 7.
Published in final edited form as: J Mater Chem B. 2017 May 12;5(21):3945–3954. doi: 10.1039/C7TB00208D

Fig. 7.

Fig. 7

Fluorescence images of cells incubated with PBS, DOX@ASM, and free DOX, showing the cellular uptake and distribution of DOX (red) after incubation with HeLa cells for 24 h. Hoechst 33342 was used to stain cell nuclei. The red fluorescence was spontaneously emitted by DOX. ASM: AS/HAp microspheres; DOX@ASM: DOX loaded by ASM.