Precipitation of magnesium apatite on pure magnesium surface during immersing in Hank's solution

H. Kuwahara, Y. Al-Abdullat, N. Mazaki, S. Tsutsumi, T. Aizawa

Research output: Contribution to journalArticle

160 Citations (Scopus)

Abstract

A new artificial bone concept by magnesium alloys is proposed to think much importance on its homogenization with a surrounding natural hard and soft tissue. Magnesium is an essential element for human body, so that magnesium bone implants can be expected to be toxicity free even though magnesium dissolved into human soft tissue. In addition, magnesium base artificial bone has vivo-adaptive to growing bone cells once vivo-coating is formed on the surface of magnesium in the inside of soft tissue. In the present paper, its chemical behavior in Hank's solution (HBSS (+)) is described to simulate biochemical reactions of magnesium in the human body. An effect of heat treatment of magnesium on its chemical behavior is also investigated. Specimens of 10 × 20 × 2 mm3 were used for examining chemical behaviors of commercial grade pure magnesium (3N-Mg) in a HBSS (+) for various holding time (25-700h). Specific mass gain of each specimen was measured, the surface microstructure was observed by a scanning electron microscope, identification of reaction products were examined by x-ray diffraction measurements. Chemical compositions of reaction products were also analyzed by an energy dispersion x-ray spectrometry. Mass change of heat-treated 3N-Mg, which was heat-treated at 803 K for 90 ks increased with immersing time in HBSS (+) though that of other heat-treated 3N-Mg unstably decreased in HBSS (+). Magnesium reacted with HBSS (+) and then a magnesium apatite was precipitated on the heat-treated 3N-Mg specimen surface. The magnesium apatite should be described as (Ca0.86Mg0.14)10(PO4)6(OH )2.

Original languageEnglish
Pages (from-to)1317-1321
Number of pages5
JournalMaterials Transactions
Volume42
Issue number7
Publication statusPublished - 2001
Externally publishedYes

Fingerprint

Apatites
Apatite
apatites
Magnesium
magnesium
bones
Bone
heat
human body
Tissue
Reaction products
reaction products
X rays
magnesium alloys
homogenizing
Magnesium alloys
toxicity
Spectrometry
Toxicity
grade

Keywords

  • Artificial bone design
  • Biomaterial
  • Hank's solution
  • Heat treatment
  • Magnesium apatite
  • Precipitation

ASJC Scopus subject areas

  • Materials Science(all)
  • Metals and Alloys

Cite this

Kuwahara, H., Al-Abdullat, Y., Mazaki, N., Tsutsumi, S., & Aizawa, T. (2001). Precipitation of magnesium apatite on pure magnesium surface during immersing in Hank's solution. Materials Transactions, 42(7), 1317-1321.

Precipitation of magnesium apatite on pure magnesium surface during immersing in Hank's solution. / Kuwahara, H.; Al-Abdullat, Y.; Mazaki, N.; Tsutsumi, S.; Aizawa, T.

In: Materials Transactions, Vol. 42, No. 7, 2001, p. 1317-1321.

Research output: Contribution to journalArticle

Kuwahara, H, Al-Abdullat, Y, Mazaki, N, Tsutsumi, S & Aizawa, T 2001, 'Precipitation of magnesium apatite on pure magnesium surface during immersing in Hank's solution', Materials Transactions, vol. 42, no. 7, pp. 1317-1321.
Kuwahara H, Al-Abdullat Y, Mazaki N, Tsutsumi S, Aizawa T. Precipitation of magnesium apatite on pure magnesium surface during immersing in Hank's solution. Materials Transactions. 2001;42(7):1317-1321.
Kuwahara, H. ; Al-Abdullat, Y. ; Mazaki, N. ; Tsutsumi, S. ; Aizawa, T. / Precipitation of magnesium apatite on pure magnesium surface during immersing in Hank's solution. In: Materials Transactions. 2001 ; Vol. 42, No. 7. pp. 1317-1321.
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