Biotemplating: Polysaccharides In
Materials Engineering
Author(s)
C. Zollfrank
Abstract
The generation of biominerals and hard tissue in nature is directed and templated
by biomacromolecules. In many systems, polysaccharides play a significant role
during the assembly of the inorganic phase. Polysaccharides exhibit a
hierarchical multiscale order as well as self-assembly properties and they appear
in a large variety of structures. The directed deposition of inorganic phases on
polysaccharide templates is an interesting approach for the manufacturing of
patterned functional materials. This paper highlights our recent developments on
the bioinspired deposition and formation of inorganic phases on polysaccharide
templates. Polysaccharides can be used at various structural levels from the
molecular scale to three-dimensional parts in the millimetre range. The
versatility of polysaccharide templating capabilities will be shown on onedimensional
cellulose nanocrystals for formation of luminescent inorganic
nanotubes for optoelectronic applications. The replication of complex plant
tissue and processed lignocellulosic materials such as paper and cardboard into
carbide based engineering and functional ceramics will be presented. The
developed methods for the mineralisation of inorganic phases on polysaccharides
are adapted for an innovative bioinspired route involving phototactic
microorganisms, which are useful for the light-induced fabrication of
hierarchically structured functional materials.
Keywords: biotemplating, functional materials, structural ceramics, engineering
ceramics.
Keywords
biotemplating, functional materials, structural ceramics, engineering
ceramics
Related Book
Other papers in this volume
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