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SEM image of HA coating (A and B) (low magnification and high magnification); SEM images of FAgHA coatings (C–E) (low magnification and high magnification); cross-section morphology of the FAgHA coating on TNT (F); the schematic diagram of cross-section of the FAgHA coating on TNT (G).
Abbreviations: SEM, scanning electron microscope; HA, hydroxyapatite; TNT, titania nanotube; FAgHA, F-and-Ag-substituted HA.
