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. 2022 Mar 8;12:3771. doi: 10.1038/s41598-022-07674-7

Figure 2.

Figure 2

FT-IR spectra of (a)Fe3O4, (b) Pectin, (c) Fe3O4@Pectin, (d) Fe3O4@Pectin@APTES, (e) Fe3O4@Pectin@(CH2)3-Acetamide, (f) Fe3O4@Pectin@(CH2)3-Acetamide-Cu(II).