Figure 1.
Schematic diagram illustrating the preparation process of the GelMA/MAO (micro-arc oxidation) composite coating on the WE43 magnesium alloy substrate: (a) WE43 magnesium alloy substrate pretreated by polishing, cleaning, and drying; the MAO coating prepared on the magnesium alloy substrate; the GelMA hydrogel coating prepared on the MAO-WE43 alloy with the dip-coating method; the GelMA/MAO-WE43 alloy pretreated by UV irradiation; (b) Section diagram of GelMA/MAO-WE43 alloy.