Coral Organic Matrix and Calcium Carbonate Precipitation
Author Information
Author(s): Goffredo Stefano, Vergni Patrizia, Reggi Michela, Caroselli Erik, Sparla Francesca, Levy Oren, Dubinsky Zvy, Falini Giuseppe
Primary Institution: Alma Mater Studiorum Università di Bologna, Bologna, Italy
Hypothesis
How does the organic matrix from the coral Balanophyllia europaea influence calcium carbonate precipitation?
Conclusion
The organic matrix from the coral skeleton influences calcium carbonate crystal morphology and polymorphism, particularly in the presence of magnesium ions.
Supporting Evidence
- The organic matrix from the coral skeleton was found to influence the morphology of calcium carbonate crystals.
- Both soluble and insoluble components of the organic matrix were shown to affect calcium carbonate precipitation.
- The presence of magnesium ions enhanced the effect of the organic matrix on crystal morphology.
Takeaway
Corals have special materials that help them make their skeletons, and these materials can change how the skeleton forms, especially when magnesium is around.
Methodology
In vitro experiments were conducted to study the influence of the organic matrix on calcium carbonate precipitation using different concentrations of magnesium ions.
Limitations
The study does not resolve the debate on the extent of biological versus environmental control on calcium carbonate deposition.
Digital Object Identifier (DOI)
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