Fig. 2
Ex vivo Fe2+ release and Fenton catalysis properties of FePt nanoprobes. a ICP-OES analyses of Fe2+ released from FePt nanoprobes (red) and Fe3O4 (black). b T2 relaxation rates of FePt nanoprobes incubated at various pH. c T1 relaxation rates of FePt nanoprobes incubated at various pH. d TEM images of FePt nanoprobes under various pH conditions. e MB absorbance after incubation with FePt nanoprobes (Fe concentration: 10 mM) and various concentrations of H2O2 at pH 5.4. f MB absorbance after incubation with various concentrations of FePt nanoprobes and H2O2 (40 mM) at 5.4 pH. g MB absorbance after incubation with FePt nanoprobes (Fe concentration: 10 mM) and H2O2 (40 mM) at various pH