Crystallinity and solubility characteristics of hydroxyapatite adsorbed amino acid

Takuya Matsumoto, M. Okazaki, M. Inoue, Y. Hamada, M. Taira, J. Takahashi

Research output: Contribution to journalArticle

94 Citations (Scopus)

Abstract

Hydroxyapatite (HAp) was synthesized in the presence of a variety of amino acids in order to investigate the effect of amino acid on the crystallinity and the solubility characteristics of HAp in the HAp-synthesizing condition. In the results of X-ray diffraction analysis, HAp synthesized in the presence of glycine (HAp-Gly), serine (HAp-Ser), aspartic acid (HAp-Asp) and glutamic acid (HAp-Glu) showed poor crystallinity compared with HAp synthesized in the absence of amino acid (HAp-con). The results of Fourier transform infrared spectroscopy suggested the adsorption of these amino acids on HAp. Scanning electron microphotographs showed that the size and morphology of HAp adsorbed amino acids changed significantly. Furthermore, the solubility of these HAps increased significantly compared to HAp-con, each differing in four amino acids. However, other amino acids did not affect the crystallinity and morphology of HAp and had no significant change in their solubility. Collectively, this study suggests that the crystallinity and the solubility of synthesized HAp are different owing to the variation of amino acids in the HAp synthesizing condition. It is expected that digestion-regulated HAp materials could be synthesized by using amino acid in their synthesizing condition.

Original languageEnglish
Pages (from-to)2241-2247
Number of pages7
JournalBiomaterials
Volume23
Issue number10
DOIs
Publication statusPublished - 2002
Externally publishedYes

Fingerprint

Durapatite
Hydroxyapatite
Solubility
Amino acids
Amino Acids
Acids
Fourier Transform Infrared Spectroscopy
Aspartic Acid
X-Ray Diffraction
Glycine
Serine
X ray diffraction analysis
Adsorption
Fourier transform infrared spectroscopy
Glutamic Acid
Digestion
Electrons

Keywords

  • Amino acid
  • Crystallinity
  • Digestion
  • Hydroxyapatite
  • Solubility

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • Biomedical Engineering

Cite this

Crystallinity and solubility characteristics of hydroxyapatite adsorbed amino acid. / Matsumoto, Takuya; Okazaki, M.; Inoue, M.; Hamada, Y.; Taira, M.; Takahashi, J.

In: Biomaterials, Vol. 23, No. 10, 2002, p. 2241-2247.

Research output: Contribution to journalArticle

Matsumoto, T, Okazaki, M, Inoue, M, Hamada, Y, Taira, M & Takahashi, J 2002, 'Crystallinity and solubility characteristics of hydroxyapatite adsorbed amino acid', Biomaterials, vol. 23, no. 10, pp. 2241-2247. https://doi.org/10.1016/S0142-9612(01)00358-1
Matsumoto, Takuya ; Okazaki, M. ; Inoue, M. ; Hamada, Y. ; Taira, M. ; Takahashi, J. / Crystallinity and solubility characteristics of hydroxyapatite adsorbed amino acid. In: Biomaterials. 2002 ; Vol. 23, No. 10. pp. 2241-2247.
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