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By Roger Narayan, Paolo Colombo

This quantity offers a one-stop source, compiling present examine on bioceramics and porous ceramics. it's a number of papers from the yankee Ceramic Society s thirty second overseas convention on complex Ceramics and Composites, January 27-February 1, 2008. It contains papers from symposia: "Porous Ceramics: Novel advancements and functions" and "Next new release Bioceramics." Articles are logically equipped to supply perception into numerous features of bioceramics and porous ceramics. this can be a priceless, up to date source for researchers operating in ceramics engineering.

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Extra resources for Advances in bioceramics and porous ceramics: a collection of papers presented at the 32nd International Conference on Advanced Ceramics and Composites, January 27-February 1, 2008, Daytona Beach, Florida

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A. Bale. J. C. Hanan. N. Tamura. ” Adv X-Ruy Anal, 49. (2006) 369-374. A. D. Krawitz, Introduction to Diffraclion in Maierialy Science and Engineering. John Wiley & Sons Inc; (2001). I’ B. L. Henke, E. M. Gullikson, J. C. Davis, “X-ray interactions: photoabsorption, scattering. transmission, and reflection at E=50-30000 eV. 2), 18 1-342 (1 993). l9 C. G. Schroer. M. Kuhlmann, B. Lengeler. T. F. Gunzler. 0. Kurapova, B. B. Benner. C. Rau. A. S. Simionovici, A. A. Snigirev, I. ” Proc. SPfE 4783. 10-1 8 (2002).

I4 The particle size and morphology of synthesized p-TCP and BSAiHAp nanopowders were studied using TEM and DLS techniques as depicted in figures 3 and 4. From TEM micrographs it is evident that synthesized p-TCP powder produced low aspect ratio particles, whereas BSAiHAp nanopowder showed morphology with little higher aspect ratio. The number average particle size of pTCP powders varied between 25 and SO nm. whereas HAp nanoparticles exhibited a narrower particle size distribution from SO to 70 nm.

CONCLUSIONS Potential bioactive PMMA cements were obtained by adding 25, 50 or 75 wt% of wollastonite powder. After 21 days of immersion in SBF a homogeneous and thick Ca,P-rich layer was formed on all the samples tested. However, as the wollastonite content was increased the compressive strength decreased and the setting time increased. The cements that show both high in vitro bioactivity and high compressive strength (2100 MPa) were those formulated with 25 wt% of wollastonite. The setting time of these particular samples was also appropriate (between 7 to 9 min), while that of the cements with 75 wt% was considerably longer (between 13 and 15 min).

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