Figure 4

FT-IR spectra of samples after (a) 3 days and (b) 7 days soaking time in SBF Intensities of the normalized functional groups for samples after (c) 3 days and (d) 7 days of soaking time in SBF.

FT-IR spectra of samples after (a) 3 days and (b) 7 days soaking time in SBF Intensities of the normalized functional groups for samples after (c) 3 days and (d) 7 days of soaking time in SBF.