By Roger Narayan, Paolo Colombo, Sujanto Widjaja, Dileep Singh
This publication is a set of papers from the yank Ceramic Society's thirty fifth overseas convention on complicated Ceramics and Composites, held in Daytona seashore, Florida, January 23-28, 2011. This factor comprises papers awarded within the subsequent iteration Bioceramics and Porous Ceramics Symposia on issues similar to complicated Processing of Bioceramics; In Vitro and In Vivo Characterization of Bioceramics; clinical and Dental purposes of Bioceramics; Porous Bioceramics; constitution and homes of Porous Ceramics; and Processing tools of Porous Ceramics.
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Additional info for Advances in Bioceramics and Porous Ceramics IV: Ceramic Engineering and Science Proceedings, Volume 32, Issue 6
Therefore, the present Ca-containing silica NTs are applicable to bone generation. 5. CONCLUSION The reassembled collagen fibrils were coated with silica sol particles after they were soaked in the Stöber-type sol-gel system of tetraefhoxysilane/ethanol/water/ammonium hydroxide/CaCb to produce the silica-collagen fibril hybrids, which was further calined at 600 С to yield the Ca-containing silica NT mats. The silica NTs exhibited a tubular structure and the addition of Ca ions led to a rougher and thicker silica shell.
Bio-ceramics produced with the fibrous CLM ceramic materials possess the advantages of a high porosity macrostructure and the high performance mechanical properties of the fibrous microstructure. 9"16 The aim of this study was to characterize the fibrous CLM bioceramics and demonstrate their performance advantages for bone tissue engineering applications. EXPERIMENTAL PROCEDURES Fabrication A CLM technique was utilized to produce test samples with different porosities and pore interConnectivity.
Undecalcified samples of the implants and surrounding bone were embedded in a polymer medium and cut with a precision diamond wafer blade. The cut surfaces through the middle of the implants were polished and examined in a SEM in the backscattered electron imaging (BEI) mode to determine if bone formed directly on the CLM surface and to confirm the bone ingrowth into the pores (as revealed by microCT). For histology, sections through the implant and bone (~100μπι thick) were cut with a precision saw, glued to a glass slide, ground and polished to about 40цт thick.