当前位置： SCI文献检索 > APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY期刊下所有文献 > In vitro biomineralization and bulk characterization of chitosan/hydroxyapatite composite microparticles prepared by emulsification cross-linking method: orthopedic use.

In vitro biomineralization and bulk characterization of chitosan/hydroxyapatite composite microparticles prepared by emulsification cross-linking method: orthopedic use.

Abstract：

:Chitosan/hydroxyapatite composite microparticles were prepared by a solid-in-water-in-oil emulsification cross-linking method. The characteristics and activity in presence of simulated body fluid for 14 and 21 days were investigated. The size distribution, surface morphology, and microstructure of these biomaterials were evaluated. The scanning electron microscopy revealed an aggregate of microparticles with a particle size, ranged from 4 to 10 μm. The deposited calcium phosphate was studied using X-ray diffraction analysis, Fourier transform infrared spectroscopy, and inductively coupled plasma/atomic emission spectroscopy analysis of phosphorus. These results show that the mineral, formed on microparticles, was a mixture of carbonated hydroxyapatite and calcite. Scanning electron microscopy revealed that calcium phosphate crystals growth was in form of rods organized as concentric triangular packets interconnected to each other by junctions. Interaction between chitosan and growing carbonated hydroxyapatite and calcite crystals are responsible for a composite growth into triangular and spherical shapes. The results demonstrated that these microparticles were potential materials for bone repair.

journal_name

Appl Biochem Biotechnol

journal_title

Applied biochemistry and biotechnology

authors

Maachou H,Bal K,Bal Y,Chagnes A,Cote G,Aliouche D

doi

10.1007/s12010-012-9870-x

subject

Has Abstract

pub_date

2012-11-01 00:00:00

pages

1459-75

issue

6

eissn

0273-2289

issn

1559-0291

journal_volume

168

pub_type

杂志文章

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