Fig. 2From: A Resumable Fluorescent Probe BHN-Fe3O4@SiO2 Hybrid Nanostructure for Fe3+ and its Application in Bioimaging a TEM image of BHN-Fe3O4@SiO2 (the scale bar is 50 nm.). b XRD patterns of Fe3O4/Citrate, Fe3O4@SiO2, and BHN-Fe3O4@SiO2. c FT-IR spectra of Fe3O4@SiO2 and BHN-Fe3O4@SiO2. d TG and DTA curves of Fe3O4@SiO2 and BHN-Fe3O4@SiO2 Back to article page