Fig. (8) SEM micrographs of Sr-c-SBF and Zn-c-SBF at several degrees of magnification. On Sr-c-SBF, agglomerations of semi platy structures dominate, (a, b, c) together with very tiny spherical structures, (d), confirm the proceeding of the coating procedure. On Zn-c-SBF, micro rods, (e, f, g), and tiny spherical structures, (h), are shown to cover the surface.