Synthesis, Structural Characterization, Degradation Rate, and Biocompatibility of Magnesium-Carbonate Apatite (Mg-Co₃Ap) Composite and Its Potential as Biodegradable Orthopaedic Implant Base Material

Figure 9

Colour changes of the DMEM from red (a) into purplish pink (b) signify alkali environment after specimen immersion.

(a)

(b)