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Synthesis of Microcrystalline Wollastonite Bioceramics and Evolution of Bioactivity

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Abstract

Alpha and beta wollastonite can serve as alternative low-cost bioceramics for bone repair and drug delivery. However, it has been challenging to develop energy-saving, facile and rapid synthetic methodologies for bioactive wollastonite phases. The aim of this work was the rapid preparation and characterization of bioactive α- and β-wollastonite powders by a coprecipitation method and their in-vitro bioactivity evaluation in the SBF solution. The results revealed that heating of the reactant solution at 100 ∘C for 2 h before sintering induced rapid formation of pure α- and β-wollastonite powders with agglomerated particles size in the range 2–7 μm. In-vitro bioactivity testing showed that the prepared α- and β-Wollastonite powders exhibit excellent bioactivity performance. Therefore, this method is promising for preparing bioactive wollastonite structures for medical applications such as bone substitutes and drug carriers.

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Authors and Affiliations

  1. Biophysics Lab, Physics Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt

    R. Morsy, R. Abuelkhair & T. Elnimr

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  1. R. Morsy
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  2. R. Abuelkhair
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  3. T. Elnimr
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Correspondence to R. Morsy.

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Morsy, R., Abuelkhair, R. & Elnimr, T. Synthesis of Microcrystalline Wollastonite Bioceramics and Evolution of Bioactivity. Silicon 9, 489–493 (2017). https://doi.org/10.1007/s12633-014-9243-x

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  • DOI: https://doi.org/10.1007/s12633-014-9243-x

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