Journal article
Control of aragonite or calcite polymorphism by mollusk shell macromolecules
Science, Vol.271(5245), pp.67-69
Jan/1996
Abstract
Many mineralizing organisms selectively form either calcite or aragonite, two polymorphs of calcium carbonate with very similar crystalline structures. Understanding how these organisms achieve this control has represented a major challenge in the field of biomineralization. Macromolecules extracted from the aragonitic shell layers of some mollusks induced aragonite formation in vitro when preadsorbed on a substrate of beta-chitin and silk fibroin. Macromolecules from calcitic shell layers induced mainly calcite formation under the same conditions, The results suggest that these macromolecules are responsible for the precipitation of either aragonite or calcite in vivo.
Details
- Title
- Control of aragonite or calcite polymorphism by mollusk shell macromolecules
- Creators
- G Falini (null)Shira Albeck (null) - 972WIS_INST___589Stephen Weiner (null) - 972WIS_INST___9Lia Addadi (null) - 972WIS_INST___9
- Resource Type
- Journal article
- Publication Details
- Science, Vol.271(5245), pp.67-69; Jan/1996
- Number of pages
- 3
- Language
- English
- DOI
- https://doi.org/10.1126/science.271.5245.67
- Record Identifier
- 993267752703596
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