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Helical Silica - Lipid Mesostructures

Published online by Cambridge University Press:  01 February 2011

Annela M. Seddon  and
Stephen Mann
Annela M. Seddon
Affiliation:
School of Chemistry, University of Bristol, Cantocks Close, Bristol, BS8 1TS, United Kingdom
Stephen Mann
Affiliation:
School of Chemistry, University of Bristol, Cantocks Close, Bristol, BS8 1TS, United Kingdom
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Abstract

In this work, diacetylenic-containing chiral lipid, 1,2-bis(10,12- tricosadiyonyl)-sn-glycero-3-phosphatidylcholine (DC8,9PC) was used simultaneously as a structure-directing template, “morphogen” and photoactive monomer to synthesize high aspect ratio helical tubules and ribbons consisting of polymerizable periodic mesostructured silica-lipid walls with a twisted lamellar architecture. Intercalation of silica in the ordered hybrid lamellar mesostructure significantly increased the photochemical reactivity of the diacetylenic moieties, such that eneyne conjugation became facile compared with non-mineralized tubules or tubules coated in a surface film of silica.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 726: Symposium Q – Hybrid Organic-Inorganic Materials , 2002 , Q6.9
Copyright
Copyright © Materials Research Society 2002

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