Mimicking the Growth of a Pathologic Biomineral: Shape Development and Structures of Calcium Oxalate Dihydrate in the Presence of Polyacrylic Acid

Thomas A, Rosseeva E, Hochrein O, Carrillo-Cabrera W, Simon P, Duchstein P, Zahn D, Kniep R (2012)

Publication Type: Journal article

Publication year: 2012

Journal

Chemistry - A European Journal Wiley

Book Volume: 18

Pages Range: 4000-4009

Journal Issue: 13

DOI: 10.1002/chem.201102228

Abstract

The morphogenesis of calcium oxalate hydrates in aqueous solutions was investigated by varying the pH, oxalate concentration, and the concentration of the sodium salt of polyacrylate (PAA). With increasing amounts of PAA in solution, the shape of tetragonal calcium oxalate dihydrate (COD) changes from bipyramidal through elongated bipyramidal prisms to dumbbells and finally reverts to rodlike tetragonal bipyramidal prisms. PAA is incorporated into the prismatic zones of the growing COD crystals, thereby reducing the growth rate of the [100] faces along the <100> direction. Dumbbells start to develop through ``non-crystallographic'' branching from the prism faces and the formation of ``multiple head'' crystals. Adsorption of PAA on the rough surfaces of the splitting individuals supports the selection of new subindividuals and leads to the formation of core--shell patterns. The various shapes and structures of the biomimetic COD/PAA crystals and aggregates are closely related to the wellknown ``pathologic'' individuals observed in the urine of patients with urinary disease (including urinary stones).

Authors with CRIS profile

Patrick Duchstein Computer-Chemie-Centrum (CCC) Dirk Zahn Professur für Theoretische Chemie

Additional Organisation(s)

Exzellenz-Cluster Engineering of Advanced Materials (EAM)

Involved external institutions

Max-Planck-Institut für Chemische Physik fester Stoffe (MPI CPfS) / Max Planck Institute for Chemical Physics of Solids DE Germany (DE) SCHOTT AG DE Germany (DE)

How to cite

APA:

Thomas, A., Rosseeva, E., Hochrein, O., Carrillo-Cabrera, W., Simon, P., Duchstein, P.,... Kniep, R. (2012). Mimicking the Growth of a Pathologic Biomineral: Shape Development and Structures of Calcium Oxalate Dihydrate in the Presence of Polyacrylic Acid. Chemistry - A European Journal, 18(13), 4000-4009. https://doi.org/10.1002/chem.201102228

MLA:

Thomas, Annu, et al. "Mimicking the Growth of a Pathologic Biomineral: Shape Development and Structures of Calcium Oxalate Dihydrate in the Presence of Polyacrylic Acid." Chemistry - A European Journal 18.13 (2012): 4000-4009.

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