Synthesis and characterization of microporous hydroxyapatite, comparison with a commercial product


  • Nathalia Marín Pareja Universidad de Antioquia
  • Diana Marcela Escobar Universidad de Antioquia
  • Claudia Patricia Ossa Universidad de Antioquia
  • Alejandro Echavarría Universidad de Antioquia


hydroxyapatite, porosity, bone repair, calcium phosphate, oseointregration


The hydroxyapatite is the natural component of the human bone which can synthetically obtained by the reaction between calcium nitrate and ammonium phosphate keeping its bioactivity properties. Therefore, it can be chemically linked with the bone tissue. In this work microporous hydroxyapatite was obtained by a precipitation method, a polymer was added to generate the porosity and calcined at 750 and 850 °C. The synthesized hydroxyapatite (denominated HA UdeA) was compared with a commercial product. The samples were characterized by X Ray Diffraction (XRD), Fourier Transformed Infra Red (FTIR), Scanning Electronic Microscopy (SEM) and Thermoanalytical techniques (DTA – TGA). The results indicate that HA UdeA and the commercial product presented similar characteristics as crystalline structure, chemical composition and adsorption of species. Although some differences in shape and particle size were observed both ceramics can be used as implant biomaterials, for example in bone repair.

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Author Biographies

Nathalia Marín Pareja, Universidad de Antioquia

Grupo de Biomateriales, Bioingeniería

Diana Marcela Escobar, Universidad de Antioquia

Grupo de Biomateriales, Bioingeniería

Claudia Patricia Ossa, Universidad de Antioquia

Grupo de Biomateriales, Bioingeniería

Alejandro Echavarría, Universidad de Antioquia

Grupo de Biomateriales, Bioingeniería


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How to Cite

Marín Pareja, N. ., Escobar, D. M., Ossa , C. P., & Echavarría , A. . (2014). Synthesis and characterization of microporous hydroxyapatite, comparison with a commercial product. Revista Facultad De Ingeniería Universidad De Antioquia, (43), 67–76. Retrieved from

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