Article (Scientific journals)
Optimization of Synthesis Parameters for the Production of Biphasic Calcium Phosphate Ceramics via Wet Precipitation and Sol‐Gel Process
Tilkin, Rémi; Mahy, Julien; Regibeau, Nicolas et al.
2019In ChemistrySelect, 4 (21), p. 6634-6641
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Keywords :
Calcium phosphate Ceramics; Ceramics; Gels; Precipitation; Sol-gel processes
Abstract :
[en] During the past few years, bioceramics, like hydroxyapatite and β‐tricalcium phosphate have been widely developed for bone reconstruction. These materials have to meet strict criteria regarding biocompatibility, degradability, and mechanical properties. This work has been focusing on the influence of synthesis parameters on the production of calcium phosphate mixes, called biphasic calcium phosphate. In this optic, powders obtained from two synthesis processes (i. e. wet precipitation and sol‐gel process) were produced. The influence of pH, Ca/P molar mixing ratio, and calcination temperature was studied. These new materials were characterized in terms of composition, thermal properties, and textural properties via X‐ray diffraction, infrared spectroscopy, scanning electronic microscopy, thermogravimetric analysis, and nitrogen adsorption‐desorption. Wet precipitation technique produces in situ mixes with different hydroxyapatite contents while the sol‐gel process ends up with ceramics contaminated by cytotoxic CaO. Wet precipitation has been demonstrated more successful to control in situ mixes with specific composition.
Disciplines :
Materials science & engineering
Author, co-author :
Tilkin, Rémi  ;  Université de Liège - ULiège > Department of Chemical Engineering > Department of Chemical Engineering
Mahy, Julien  ;  Université de Liège - ULiège > Department of Chemical Engineering > Department of Chemical Engineering
Regibeau, Nicolas ;  Université de Liège - ULiège > CEIB
Grandfils, Christian ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biochimie et physiologie générales, et biochimie humaine
Lambert, Stéphanie  ;  Université de Liège - ULiège > Department of Chemical Engineering > Department of Chemical Engineering
Language :
English
Title :
Optimization of Synthesis Parameters for the Production of Biphasic Calcium Phosphate Ceramics via Wet Precipitation and Sol‐Gel Process
Publication date :
07 June 2019
Journal title :
ChemistrySelect
eISSN :
2365-6549
Publisher :
Wiley-VCH, Weinheim, Germany
Volume :
4
Issue :
21
Pages :
6634-6641
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Fédération Wallonie Bruxelles. Fonds de la Recherche Scientifique - F.R.S.-FNRS
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since 11 June 2019

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