Amorphous layer around aragonite platelets in nacre.

  title={Amorphous layer around aragonite platelets in nacre.},
  author={Nadine Nassif and Nicola Pinna and Nicole Gehrke and Markus Antonietti and Christian Jaeger and Helmut C{\"o}lfen},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={102 36},
We reveal that the aragonite CaCO3 platelets in nacre of Haliotis laevigata are covered with a continuous layer of disordered amorphous CaCO3 and that there is no protein interaction with this layer. This finding contradicts classical paradigms of biomineralization, e.g., an epitaxial match between the structural organic matrix and the formed mineral. This finding also highlights the role of physicochemical effects in morphogenesis, complementing the previously assumed total control by… CONTINUE READING

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Biomineralization, Principles and Concepts in Bioinorganic Materials Chemistry

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