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Fluorescent confocal images of MC3T3 cells incubated by direct method for 24 h, with each SF/silica hybrids. F-actin morphology was study by staining cells as follows: 4′,6-diamidino-2-phenylindole (DAPI) (blue) stained nuclei, fluorescein isothiocyanate (FITC)-phalloidin (green) stained actin filaments, magnification 10×. Scale bar: 500 μm.
