Abstract
We report a novel strategy for the biological synthesis of calcite crystals using the petioles of the plant Scindapsus aureum. The resultant calcite crystals were characterized by scanning electron microscopy, Fourier transform infrared (FT-IR) spectroscopy, X-ray powder diffractometry, and electron diffraction. The biomolecules of S. aureum petioles were confirmed by UV–Vis and FT-IR analysis. The results showed that the spherical or rhombohedral calcite crystals were obtained in the cells of S. aureum petioles. Biomimetic synthesis of calcium carbonate (CaCO3) in aqueous solution containing extracts of S. aureum petioles was also performed to investigate the soluble biomolecules’ influence on crystal growth of CaCO3. It was found that twinborn spherical calcite crystals were formed, suggesting that the soluble biomolecules of S. aureum play a crucial role in directing the formation of calcite spherical particles. The possible mechanism of formation of CaCO3 crystals using S. aureum is also discussed; the biomolecules of S. aureum may induce and control the nucleation and growth of CaCO3 crystals.
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Acknowledgements
This work was supported by the National Science Foundation of China (20671001, 20871001, 20731001), the Important Project of Anhui Provincial Education Department (ZD2007004-1), the Research Foundation for the Doctoral Program of Higher Education of China (20070357002), the Specific Project for Talents of Science and Technology of Universities of Anhui Province (2005hbz03), the Foundation of Key Laboratory of Environment-friendly Polymer Materials and Functional Material of Inorganic Chemistry of Anhui Province, and the Project of Huangshan University (2008xkjq018).
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Chen, L., Shen, Y.H., Xie, A.J. et al. Biological synthesis of calcite crystals using Scindapsus aureum petioles. J Mater Sci 45, 2938–2943 (2010). https://doi.org/10.1007/s10853-010-4286-x
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DOI: https://doi.org/10.1007/s10853-010-4286-x