Figure 5: Surface morphologies of different coatings after immersion in DMEM with 10% FBS for different time. | Scientific Reports

Figure 5: Surface morphologies of different coatings after immersion in DMEM with 10% FBS for different time.

From: Enhanced corrosion resistance and cytocompatibility of biodegradable Mg alloys by introduction of Mg(OH)2 particles into poly (L-lactic acid) coating

Figure 5

(a) HF samples, the surface kept flat during the entire immersion process, unless some white spots observed at day 30; (b) PLLA, with immersion time increasing, gas pockets formed and grew, leading to delamination of the coating; (c) HM/PLLA, within 30 days of immersion, the composite coating kept flat without gas pockets; scale bar represents 1 mm.

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