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Physicochemical characterization of biogenic calcium carbonate

Published online by Cambridge University Press:  10 July 2018

Katari P. Rocha ,
Santiago Botasini  and
Eduardo Méndez
Katari P. Rocha
Affiliation:
Laboratorio de Biomateriales, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República. 11400 Montevideo, Uruguay.
Santiago Botasini
Affiliation:
Laboratorio de Biomateriales, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República. 11400 Montevideo, Uruguay.
Eduardo Méndez*
Affiliation:
Laboratorio de Biomateriales, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República. 11400 Montevideo, Uruguay.
*
*(Email: [email protected])
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Abstract

Biogenic minerals are widely studied materials for their particular properties derived from their hierarchical structure, using building blocks with sizes spanning several orders of magnitude. These special features can be assessed with different analytical tools, and it is important to know their capabilities and limitations. In order to determine the hierarchical structure of the shells, the nacre and prismatic layers of two marine animals were characterized by infrared spectroscopy, X-ray diffraction, and scanning electron microscopy. Based on these assessments, we found that the combination of these three techniques is useful to describe each structure level, and to explain some of the unique properties observed in these natural materials.

Keywords

biomaterialbiomimetic (assembly)infrared (IR) spectroscopyx-ray diffraction (XRD)scanning electron microscopy (SEM)
Type
Articles
Information
MRS Advances , Volume 3 , Issue 61: Materials Science Young Researchers of Uruguay , 2018 , pp. 3569 - 3574
Copyright
Copyright © Materials Research Society 2018 

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