The Co-operative Influence of Gel Solid Content and Reagent Solution Concentrations on Gel Occlusion and Crystal Micro-organization in Biomimetic Calcite-Agar Composites

descriptionPublicationkeyboard_double_arrow_right Article , Conference object 01 Jan 2017 Spain Publisher:Sociedad Española de MineralogíaFunded by:DFG | Transalpine Mobilität und...

Authors: Fernández Díaz, María Lourdes; Greiner, Martina; Yin, Xiaofei; Griesshaber, Erika; Ziegler, Andreas; Schmahl, Wolfgang W.;

handle: 20.500.14352/18576 , 10261/187949

The Co-operative Influence of Gel Solid Content and Reagent Solution Concentrations on Gel Occlusion and Crystal Micro-organization in Biomimetic Calcite-Agar Composites

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Abstract

Carbonate biominerals are composite materials which consist of a compliant organic polymeric matrix and a stiff mineral component (calcite or aragonite (CaCO3)). The polymeric matrix is arranged in nanometer thick membranes and fibrils. The membranes compartmentalize the space and envelope the mineral component, which appears as aggregations of nanoparticles. The fibrils infiltrate the space between these nanoparticles, affecting their degree of co-alignment. The organic polymeric matrix becomes occluded within the mineral component during the biomineralization process through mechanisms that are not fully understood yet.

Martina Greiner is financially supported by the German Research Foundation (DFG), research unit "Transalpine Mobility and Culture Transfer" (FOR 1670) of the German-Spanish Joint Acciones Integradas Program (AIB2010 DE-0008), DAAD-50749739. This research was partially funded by projects CGL2013-47988-C2-01-P, CGL2016-77138-C2-1-P (MECC-Spain).

Trabajo presentado en la XXXVI Reunión de la Sociedad Española de Mineralogía, celebrada en Oviedo (España) del 4 al 7 de julio de 2017

Peer reviewed

Country

Spain

Related Organizations

Spanish National Research Council
Spain
Complutense University of Madrid
Spain

Keywords

Calcite-Gel Composites, Cristalización Biomimética, 548, Electron Backscatter Diffraction (EBSD), Cristalografía (Geología), Calcite-Gel composites, Difracción de electrones retrodispersados (EBSD)., Difracción de Electrones Retrodispersados (EBSD), Cristalografía, Cristalización biomimética, Composites Calcita-Gel, Biomimetic crystallization

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