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ISSN 00125008, Doklady Chemistry, 2012, Vol. 444, Part 1, pp. 124–127. © Pleiades Publishing, Ltd., 2012. Original Russian Text © M.A. Goldberg, A.S. Fomin, N.V. Petrakova, A.Yu. Fedotov, L.I. Shvorneva, V.V. Smirnov, A.V. Popova, S.M. Barinov, 2012, published in Doklady Akademii Nauk, 2012, Vol. 444, No. 3, pp. 275–278. CHEMICAL TECHNOLOGY Gypsum Transformation to Calcium Phosphates M. A. Goldberg, A. S. Fomin, N. V. Petrakova, A. Yu. Fedotov, L. I. Shvorneva, V. V. Smirnov, A. V. Popova, and Corresponding Member of the RAS S. M. Barinov Received January 30, 2012 DOI: 10.1134/S0012500812050035 Bone tissue engineering imposes stringent require was performed at 100–250°C to convert gypsum to ments on the scaffold in which the bone tissue de novo anhydrous calcium sulfate. The calcined gypsum sam is formed. The scaffold material should be biologically ples were converted to calcium phosphates. A 1 M compatible with the body tissues; in addition, it should be (NH ) HPO solution was used as the medium, pH 9, 4 2 4 porous and possess good mechanical properties [1, 2]. the transformation temperature was 80°C. For the for The biocompatibility requirement is met by calcium mation of dense ceramic samples, they were annealed phosphates; however, it
Doklady Chemistry – Springer Journals
Published: Jun 2, 2012
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