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Influence of Lysozyme on the Biomimetic Growth of Silica Tubes in Porous Membranes

Published online by Cambridge University Press:  01 February 2011

Clémentine Gautier ,
Rémi Courson ,
Pascal Jean Lopez ,
Jacques Livage  and
Thibaud Coradin
Clémentine Gautier
Affiliation:
[email protected], Chimie de la Matiere Condensee, CNRS-UPMC, 4 place Jussieu, Paris, 75252, France
Rémi Courson
Affiliation:
[email protected], Chimie de la Matiere Condensee, CNRS-UPMC, 4 place Jussieu, Paris, 75252, France
Pascal Jean Lopez
Affiliation:
[email protected], Molecular Biology of Photosynthetic Organisms, CNRS-ENS, 46 rue d'Ulm, Paris, 75005, France
Jacques Livage
Affiliation:
[email protected], Chimie de la Matiere Condensee, CNRS-UPMC, 4 place Jussieu, Paris, 75252, France
Thibaud Coradin
Affiliation:
[email protected], Chimie de la Matiere Condensee, CNRS-UPMC, 4 place Jussieu, Paris, 75252, France
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Abstract

Pore channels of poly-carbonate membranes were recently used as biomimetic models to study the effect of confinement on silicate condensation, leading to the formation of silica tubes exhibiting a core-shell structure. In this work, we pre-immobilized lysozyme on the membrane pores, inducing the modification of the tube shell formation process, and variation in core particle size. These data strengthen previous assumptions on the role of interfacial interactions on the growth of the tube shell and indicate that such interactions also influence the core particle formation. Such approach therefore seems suitable to mimic the formation of silica/protein multilayers as found in several biomineralizing organisms

Keywords

biomimetic (assembly)sol-gelporosity
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1008: Symposium T – The Nature of Design-Utilizing Biology's Portfolio , 2007 , 1008-T01-04
Copyright
Copyright © Materials Research Society 2007

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