RESORBABLE BIOCERAMICS IN Са3(PО4)2–Мg2P2O7 SYSTEM

Kazakova, G.; Safronova, T.; Putlyaev, V.

Авторы: Kazakova G., Safronova T., Putlyaev V.
Сборник: Programme and book of abstracts / 11th Students' Meeting [and] ESR [Early Stage Researchers] Workshop, COST IC1208 [being a] Conference for Young Scientists in Ceramics, October 21-24, 2015, Novi Sad
Тезисы
Год издания: 2015
Место издания: Faculty of Technology, University of Novi Sad Novi Sad, Serbia
Первая страница: 94
Последняя страница: 95
Аннотация: The aim of our research activity was to obtain resorbable bioceramic in Са3(РО4)2-Mg2P2O7 system, based on synthetic powders of calcium and magnesium phosphates. The selection of various calcium and magnesium salts as initial ingredients allowed us to control a predetermined pH level in the reaction zone. Fine calcium and magnesium phosphate powders were synthesized by means of wet precipitation from aqueous solutions of ammonium hydrogenphosphate and calcium and magnesium nitrates/ acetate/ saccharates. The phase composition of synthetic powders was presented with the calcium and magnesium phosphates, i.e. HA - Ca10(PO4)6(OH)2, struvite - MgNН4РО4(Н2О)6, or a mixture of HA and struvite. The content of struvite increased with increasing magnesium content of the initial solution. Samples molded from synthetic powder were fired with a heating rate of 5 °С/min, holding for 2 hours at a final temperature in the range 900–1200 °С. According to XRD analysis the phase composition of ceramic materials, was consisted of tricalcium phosphate, magnesium pyrophosphate, solid solutions of calcium/magnesium orthophosphate and calcium/magnesium pyrophosphate. The obtained ceramic materials can be used for regeneration of damaged bone tissue.
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