ISSN:
1573-4846
Keywords:
spray pyrolysis
;
apatite
;
composite particle
;
biomimetic deposition
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
Abstract Apatite derived by sol-gel routes through an amorphous state or derived biomimetically is likely to provide chemically and biologically active surfaces. Thus apatite or apatite-composite particles were prepared by spray-pyrolysis of several solutions as they were applicable to medical treatment. Calcium lactate and ammonium dihydrogen phosphate aqueous solutions stabilized with ethylenediaminetetraacetic acid were sprayed ultrasonically and pyrolysed at 600°C to yield amorphous particles of apatite while apatite-ferric oxide composite powders were prepared from the solutions of calcium lactate and ferric nitrate. Solutions of calcium nitrate and titanium ethoxide in 0.5 N HNO3 were also spray-pyrolysed at 600°C to prepare calcium titanate and titanium oxide particles trapped on a Ti substrate. Apatite could biomimetically be developed on the calcium titanate particles when they were soaked in an acellular simulated body fluid.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1023/A:1018328511601
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