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RETRACTED ARTICLE: Mechanical and Bioactivity Assessment of Wollastonite/PVA Composite Synthesized from Bentonite Clay

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This article was retracted on 01 November 2019

This article was retracted on 01 November 2019

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Abstract

Glass/polymer composites can mimic the natural structure of bone by possessing a fibre-matrix configuration which provides appropriate physical and biological properties. Wollastonite ceramics are known for their promising bioactivity and biocompatibility when applied in bone regeneration. Polyvinyl alcohol (PVA) has various attractive properties including biocompatibility and degradability which may be exploited as a polymer matrix in composites for biomedical applications. Therefore, a cost–effective method of preparing wollastonite/PVA composites is desirable by starting from bentonite clay as silica source for the glass, instead of traditional alkoxysilanes. Results obtained revealed for the composite a compressive strength of 0.3 MPa, the ability to induce apatite on its surface when immersed in simulated body fluid (SBF) for 7 days, and exhibited desirable controlled degradation. Оur method can be up-scaled for preparation of wollastonite/PVA composite commercially for possible use in bone regeneration.

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Change history

  • 05 August 2020

    erratum

  • 05 August 2020

    erratum

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ACKNOWLEDGMENTS

We are grateful to the Department of Biomedical Engineering of University of Ghana, Legon, for providing the facilities for this work.

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Authors and Affiliations

  1. Department of Chemistry, University of Lagos, Akoka, Lagos, Nigeria

    L. A. Adams

  2. Department of Chemical and Food Sciences, Bells University of Technology, Ota, Ogun, Nigeria

    E. R. Essien

  3. Department of Biomedical Engineering, School of Engineering Sciences, University of Ghana, Legon, Accra, Ghana

    E. E. Kaufmann

Authors
  1. L. A. Adams
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  2. E. R. Essien
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  3. E. E. Kaufmann
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Corresponding authors

Correspondence to L. A. Adams or E. R. Essien.

Additional information

The authors, the editor, and the publisher have retracted this article as it has been published by the same authors due to miscommunication between the journal and the authors after submission. The editors and the publisher apologize for any inconvenience caused. All authors have agreed to this retraction.

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Adams, L.A., Essien, E.R. & Kaufmann, E.E. RETRACTED ARTICLE: Mechanical and Bioactivity Assessment of Wollastonite/PVA Composite Synthesized from Bentonite Clay. Glass Phys Chem 45, 119–125 (2019). https://doi.org/10.1134/S1087659619020020

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