Preparation and characterization of brushite crystals using high internal phase emulsion

H. N. Lim, A. Kassim, N. M. Huang, Mohd. Ambar Yarmo, P. S. Khiew, W. S. Chiu

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Various morphologies of brushite crystals were successfully synthesized using oil-in-water high internal phase emulsion stabilized by surfactants with various polyoxyethylene chain lengths for the first time. Rheological measurements had proven that such emulsion was a highly stable reaction media for the synthesis of particulate and porous brushite crystals. Rheological properties of the emulsion with and without the presence of crystal growth were compared and discussed. Morphologies of brushite crystals comprised of leafletlike particles to continuous dendritic network structure which gave rise to porosity in submicron size with increasing polyoxyethylene chain length. The mechanism leading to the various types of morphologies produced is discussed schematically based on small angle X-ray scattering results.

Original languageEnglish
Pages (from-to)793-802
Number of pages10
JournalColloid Journal
Volume71
Issue number6
DOIs
Publication statusPublished - Dec 2009

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Emulsions
emulsions
Chain length
preparation
Crystals
Polyethylene glycols
crystals
Crystallization
X ray scattering
Crystal growth
Surface-Active Agents
particulates
crystal growth
Oils
Surface active agents
Porosity
oils
surfactants
porosity
Water

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry
  • Surfaces and Interfaces

Cite this

Preparation and characterization of brushite crystals using high internal phase emulsion. / Lim, H. N.; Kassim, A.; Huang, N. M.; Yarmo, Mohd. Ambar; Khiew, P. S.; Chiu, W. S.

In: Colloid Journal, Vol. 71, No. 6, 12.2009, p. 793-802.

Research output: Contribution to journalArticle

Lim, H. N. ; Kassim, A. ; Huang, N. M. ; Yarmo, Mohd. Ambar ; Khiew, P. S. ; Chiu, W. S. / Preparation and characterization of brushite crystals using high internal phase emulsion. In: Colloid Journal. 2009 ; Vol. 71, No. 6. pp. 793-802.
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