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Unifying design strategies in demosponge and hexactinellid skeletal systems

Weaver, James C., Milliron, Garett W., Allen, Peter, Miserez, Ali, Rawal, Aditya, Garay, Javier, Thurner, Philipp J., Seto, Jong, Mayzel, Boaz, Friesen, Larry J., Chmelka, Bradley F., Fratzl, Peter, Aizenberg, Joanna, Dauphin, Yannicke, Kisalius, David and Morse, Dan E. (2010) Unifying design strategies in demosponge and hexactinellid skeletal systems Journal of Adhesion, 86, (1), pp. 72-95. (doi:10.1080/00218460903417917).

Record type: Article


Biological systems are well known for their ability to construct remarkably complex and mechanically robust skeletal structures from a great diversity of minerals. One such example, silica, is widely used in the synthesis of skeletal elements (spicules) within the phylum Porifera (the sponges). As a result, members of this diverse group have served as useful model systems for analysis of the dynamic processes of biosilicification and for investigating structure function relationships in their often hierarchically ordered skeletal systems. This article describes in detail the skeletal diversity within the two silica-forming sponge classes, the Demospongiae and the Hexactinellida, and through the use of several representative examples, discusses the mechanical consequences of the various modes of construction implemented as well as the potential evolutionary pressures that resulted in their observed structural complexity.

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Published date: January 2010
Keywords: biomineralization, biosilica, composite, fracture mechanics, porifera


Local EPrints ID: 79684
ISSN: 0021-8464
PURE UUID: 8f775172-572b-4983-aae7-b9236a045e65

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Date deposited: 18 Mar 2010
Last modified: 18 Jul 2017 23:16

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Author: James C. Weaver
Author: Garett W. Milliron
Author: Peter Allen
Author: Ali Miserez
Author: Aditya Rawal
Author: Javier Garay
Author: Jong Seto
Author: Boaz Mayzel
Author: Larry J. Friesen
Author: Bradley F. Chmelka
Author: Peter Fratzl
Author: Joanna Aizenberg
Author: Yannicke Dauphin
Author: David Kisalius
Author: Dan E. Morse

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