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2007•CrystEngCommRequires access

Biomineralization of calcium carbonate: structural aspects

E. Zolotoyabko, Boaz Pokroy

Open publisher page 65 citations

Abstract

We analyze the observed structural distinctions between calcium carbonate crystals of biogenic and non-biogenic origin in terms of interaction between organic macromolecules and growing mineral. We conclude that rather strong forces are imposed by organic macromolecules on mineral crystallites, which cause lattice strains of about 0.2%. According to the developed model, these strains arise primarily throughout the amorphous-crystalline phase transformation at early stages of biomineralization.

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What this paper is about

We analyze the observed structural distinctions between calcium carbonate crystals of biogenic and non-biogenic origin in terms of interaction between organic macromolecules and growing mineral. We conclude that rather strong forces are imposed by organic macromolecules on mineral crystallites, which cause lattice strains of about 0.2%. According to the developed model, these strains arise primarily throughout the amorphous-crystalline phase transformation at early stages of biomineralization.

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Available abstract

We analyze the observed structural distinctions between calcium carbonate crystals of biogenic and non-biogenic origin in terms of interaction between organic macromolecules and growing mineral. We conclude that rather strong forces are imposed by organic macromolecules on mineral crystallites, which cause lattice strains of about 0.2%. According to the developed model, these strains arise primarily throughout the amorphous-crystalline phase transformation at early stages of biomineralization.

Key concepts: Biomineralization, Amorphous calcium carbonate, Calcium carbonate, Macromolecule, Crystallite, Carbonate, Amorphous solid, Mineral

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