Synthesis and Characterization of Zinc Doped Hydroxyapatite for Bone Substitute Applications

Author:

Abdul Wahid Mohamad Firdaus1,Mardziah C.M.1,Hyie Koay Mei1,Nik Roselina N.R.1

Affiliation:

1. Universiti Teknologi MARA

Abstract

Hydroxyapatite was prepared by using precipitation method. The substitution of zinc ions in hydroxyapatite structure was studied by several characterization techniques. Several concentration of zinc ions were substituted into hydroxyapatite. Characterization technique such as X-ray diffraction method was used to study the phase changes and the lattice parameters with the addition of zinc. Field emission scanning electron microscopy was used to examine the influence of zinc on the crystal size and the morphology of the as-synthesized powders. Based on X-ray diffraction result, the addition of zinc affects the lattice parameters and phase. The result showed that zinc ions were substituted in the structure. As zinc substitution increased, the lattice parameters a and c decreased. The crystal shape of hydroxyapatite without zinc ions was regular shapes while hydroxyapatite with zinc ions was irregular and also tends to agglomerates with single particle was calculated about 28 - 34 nm .

Publisher

Trans Tech Publications, Ltd.

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