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. 2014 Apr 22;8(5):4403–4414. doi: 10.1021/nn4062726

Figure 2.

Figure 2

Effect of various NPs on CXCR4 expression. (A) TEM images of various iron-based MNPs, such as Fe3O4/Co/Mn, FePt, and Zn0.4Fe2.6O4, with similar sizes and the same coating (PEGylation). (B) After the MSCs were treated with various iron-based MNPs, the CXCR4 expression of cells was analyzed by Western blotting, which was quantified by measuring the band density and then normalized to GADPH. (C) TEM images of gold NPs, QDs, SiO2, SWCNTs, and IO MNPs. (D) Western blot analysis of CXCR4 expression after NP treatment. The bar graphs present the relative values from at least three independent experiments (**p < 0.01).