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. 2002 Jul;13(7):623-32.
doi: 10.1023/a:1015709705074.

Microstructured microspheres of hydroxyapatite bioceramic

M C Sunny  1 , P Ramesh, H K Varma
Affiliations

Microstructured microspheres of hydroxyapatite bioceramic

M C Sunny et al. J Mater Sci Mater Med. 2002 Jul.

Abstract

Hydroxyapatite (HAP) particles having spherical geometry and 125-1000 microm in size range were prepared using a solid-in-water-in-oil (S/W/O) emulsion, cross-linking technique. An aqueous solution of chitosan containing different loading of HAP was dispersed as droplet in liquid paraffin using a stabilizing agent. Cross-linking of chitosan was induced by adding appropriate amount of glutaraldehyde saturated toluene. Chitosan microspheres containing HAP were sintered at 1150 degrees C to obtain pure HAP microspheres. The spheres thus produced were examined by scanning electron microscopy. The percentage yield and size distributions of the spheres were also determined.

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