Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 47, Issue 2, Pages 132-140Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijbiomac.2010.05.007
Keywords
Chitin; Scaffold; Sponges
Funding
- DFG [MO 1049/5-1, ME 1256/7-1, ME 1256/13-1]
- BMBF [03WKBH2G]
- DAAD [Ref-325, A/08/72558]
- MES RF (AVCP) [8066]
- Spanish MCI [BFU2008-00227/BMC]
- European Union
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Marine invertebrate organisms including sponges (Porifera) not only provide an abundant source of biologically active secondary metabolites but also inspire investigations to develop biomimetic composites, scaffolds and templates for practical use in materials science, biomedicine and tissue engineering. Here, we presented a detailed study of the structural and physico-chemical properties of three-dimensional skeletal scaffolds of the marine sponges Aiolochroia crassa, Aplysina aerophoba, A. cauliformis. A. cavernicola, and A. fulva (Verongida: Demospongiae). We show that these fibrous scaffolds have a multilayered design and are made of chitin. C-13 solid-state NMR spectroscopy, NEXAFS, and IR spectroscopy as well as chitinase digestion and test were applied in order to unequivocally prove the existence of alpha-chitin in all investigated species. (C) 2010 Elsevier B.V. All rights reserved.
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