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. 2022 Nov 10;7(4):196. doi: 10.3390/biomimetics7040196

Figure 13.

Figure 13

(a) Schematic of the one-pot sol–gel fabrication method to obtain Fe3O4@SiO2/HMDS particles (Reprinted with permission from [80]. Copyright {2020} American Chemical Society); and (b) illustration of sol–gel process followed by other fabrication methods for coating [84].