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    Rights statement: This is the peer reviewed version of the following article: Lopez‐Heredia MA, Łapa A, Reczyńska K, et al. Mineralization of gellan gum hydrogels with calcium and magnesium carbonates by alternate soaking in solutions of calcium/magnesium and carbonate ion solutions. J Tissue Eng Regen Med. 2018;12:1825–1834. https://doi.org/10.1002/term.2675 which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1002/term.2675 This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.

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    Embargo ends: 27/06/19

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Mineralization of gellan gum hydrogels with calcium and magnesium carbonates by alternate soaking for bone regeneration applications

Research output: Contribution to journalJournal article

Published
  • Marco Lopez-Heredia
  • Agata Lapa
  • Katarzyna Reczynska
  • Krzysztof Pietryga
  • Lieve Balcaen
  • Ana Mendes
  • David Schaubroeck
  • Pascal Van der Voort
  • Agnieszka Dokupil
  • Agnieszka Plis
  • Chris Stevens
  • Bogdan Parakhonskiy
  • Sangram Samal
  • Frank Vanhaecke
  • Feng Chai
  • Ioannis Chronakis
  • Nicolas Blanchemain
  • Elzbieta Pamula
  • Andre G. Skirtach
  • Timothy Edward Lim Douglas
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<mark>Journal publication date</mark>08/2018
<mark>Journal</mark>Journal of Tissue Engineering and Regenerative Medicine
Issue number8
Volume12
Number of pages10
Pages (from-to)1825-1834
StatePublished
Early online date27/04/18
Original languageEnglish

Abstract

Mineralization of hydrogels is desirable prior to applications in bone regeneration. CaCO3 is a widely used bone regeneration material and Mg, when used as a component of calcium phosphate biomaterials, has promoted bone‐forming cell adhesion and proliferation and bone regeneration. In this study, gellan gum (GG) hydrogels were mineralized with carbonates containing different amounts of calcium (Ca) and magnesium (Mg) by alternate soaking in, firstly, a calcium and/or magnesium ion solution and, secondly, a carbonate ion solution. This alternate soaking cycle was repeated five times. Five different calcium and/or magnesium ion solutions, containing different molar ratios of Ca to Mg ranging from Mg‐free to Ca‐free were compared. Carbonate mineral formed in all sample groups subjected to the Ca:Mg elemental ratio in the carbonate mineral formed was higher than in the respective mineralizing solution. Mineral formed in the absence of Mg was predominantly CaCO3 in the form of a mixture of calcite and vaterite. Increasing the Mg content in the mineral formed led to the formation of magnesian calcite, decreased the total amount of the mineral formed and its crystallinity. Hydrogel mineralization and increasing Mg content in mineral formed did not obviously improve proliferation of MC3T3‐E1 osteoblast‐like cells or differentiation after 7 days.

Bibliographic note

This is the peer reviewed version of the following article: Lopez‐Heredia MA, Łapa A, Reczyńska K, et al. Mineralization of gellan gum hydrogels with calcium and magnesium carbonates by alternate soaking in solutions of calcium/magnesium and carbonate ion solutions. J Tissue Eng Regen Med. 2018;12:1825–1834. https://doi.org/10.1002/term.2675 which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1002/term.2675 This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.