Figure 5

FE-SEM images of sample M70 after soaking in SBF solution (pH 7.4) for different times: (a) 1 day; (b) 3 days; (c) 7 days; (d) 14 days and (e,f) 28 days.

FE-SEM images of sample M70 after soaking in SBF solution (pH 7.4) for different times: (a) 1 day; (b) 3 days; (c) 7 days; (d) 14 days and (e,f) 28 days.