Intermediate water on calcium phosphate minerals: ITS origin and role in crystal growth

Masahiro Okada, Emilio satoshi Hara, Daisuke Kobayashi, Shoki Kai, Keiko Ogura, Masaru Tanaka, Takuya Matsumoto

Research output: Contribution to journalArticle

Abstract

Water molecules are known to play crucial roles both in the formation and biological function of materials. Herein, we show the presence of “intermediate water” on an inorganic solid material, hydroxyapatite. In vitro experiments revealed that Mg substitution of apatite significantly enriched the amount of intermediate water, possibly due to the proton transfer to a hydrogen-bonded network of water around HPO42− on divalent-cation-deficient apatite surfaces. The intermediate water formation related to a markedl su ressed rotein adsor tion on a atite Anal sis of bone a atites suggested that the intermediate water on minerals could play crucial roles in regulating crystal growth.

Original languageEnglish
Pages (from-to)981-986
Number of pages6
JournalACS Applied Bio Materials
Volume2
Issue number3
DOIs
Publication statusPublished - Mar 1 2019

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Phosphate minerals
Calcium phosphate
Crystallization
Crystal growth
Minerals
Water
Apatites
Apatite
Mineral Waters
Divalent Cations
Durapatite
Proton transfer
Protons
Hydrogen
Hydroxyapatite
calcium phosphate
Bone
Substitution reactions
Bone and Bones
Positive ions

Keywords

  • Bone apatite mineral growth
  • Differential scanning calorimetry
  • Infrared spectroscopy
  • Intermediate water
  • Water hydrogen-bonded network

ASJC Scopus subject areas

  • Biomaterials
  • Chemistry(all)
  • Biomedical Engineering
  • Biochemistry, medical

Cite this

Intermediate water on calcium phosphate minerals : ITS origin and role in crystal growth. / Okada, Masahiro; Hara, Emilio satoshi; Kobayashi, Daisuke; Kai, Shoki; Ogura, Keiko; Tanaka, Masaru; Matsumoto, Takuya.

In: ACS Applied Bio Materials, Vol. 2, No. 3, 01.03.2019, p. 981-986.

Research output: Contribution to journalArticle

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