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. 2023 Jun 30;18:3535–3575. doi: 10.2147/IJN.S375964

Figure 4.

Figure 4

TEM morphologies and size distribution of (A) Fe3O4 NPs and (B) PMNCs of Fe3O4@C. (C) Raman spectrum, (D) XRD, (E) FTIR spectrum (F), TGA curves, and (G) Ms of Fe3O4 and Fe3O4@C.136