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. Author manuscript; available in PMC: 2018 Jan 9.
Published in final edited form as: J Control Release. 2016 Jun 24;237:177–184. doi: 10.1016/j.jconrel.2016.06.032

Fig. 2.

Fig. 2

Confocal images of U-87 MG spheroids treated with AF488-iRGDK-dab and AF488-CG7CK-dab (1 μM) for 1 h. All images were extracted at the middle of the spheroids. Green, Alexa Fluor 488; blue, nucleus-staining DAPI. Scale bar: 200 μm.