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    Sweet on biomineralization: Effects of carbohydrates on the early stages of calcium carbonate crystallization

    Access Status
    Fulltext not available
    Authors
    Rao, A.
    Berg, J.
    Kellermeier, M.
    Gebauer, Denis
    Date
    2014
    Type
    Journal Article
    
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    Citation
    Rao, A. and Berg, J. and Kellermeier, M. and Gebauer, D. 2014. Sweet on biomineralization: Effects of carbohydrates on the early stages of calcium carbonate crystallization. European Journal of Mineralogy. 26 (4): pp. 537-552.
    Source Title
    European Journal of Mineralogy
    DOI
    10.1127/0935-1221/2014/0026-2379
    ISSN
    0935-1221
    School
    Department of Chemistry
    URI
    http://hdl.handle.net/20.500.11937/52201
    Collection
    • Curtin Research Publications
    Abstract

    © 2013 E. Schweizerbart'sche Verlagsbuchhandlung.The present study aims to elucidate the effects of different carbohydrates on the early stages of calcium carbonate mineralization by following a systematic potentiometric titration-based approach. Distinct mono-, oligo- and polysaccharides were evaluated with respect to their influence on the formation of solute pre-nucleation clusters, the nucleation process itself, and the solubility of the initially precipitated phase. By assaying 29 carbohydrates, we show that sugar stereochemistry, polarity, presence of Ca 2+ binding sites, as well as the nature of glycosidic linkages can play an important role in the interactions between the additives and the mineral species occurring in the course of CaCO3 crystallization from solution.

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