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Oriented crystallization of calcium carbonate under self-organized monolayers of amide-containing phospholipids
journal contribution
posted on 2023-05-18, 14:19 authored by Buijnsters, PJJA, Donners, JJJM, Hill, SJ, Heywood, BR, Nolte, RJM, Zwanenburg, B, Sommerdijk, NAJMIn the presence of calcium ions amide-containing phospholipid 1 self-assembles to form well-defined two-dimensional domains at the air-water interface. These domains act as templates for the crystallization of calcium carbonate that efficiently nucleate the growth of [10.0] oriented calcite irrespective of the surface concentration of the lipid. Responsible for this preference for nucleation at the (10.0) face is the formation of an intramolecular hydrogen bond between the phosphate group and the phenoxy moiety which forces the phosphate group to adopt a bidentate orientation toward the aqueous phase, It was shown that when this hydrogen bond was absent, that is, when the phosphate group is monomethylated, lateral pressure was required in order to enforce a similar conformation and accomplish the nucleation of [10.0] oriented calcite.
History
Publication title
LangmuirVolume
17Issue
12Pagination
3623-3628ISSN
0743-7463Publisher
Amer Chemical SocPlace of publication
1155 16th St, Nw, Washington, USA, DC, 20036Rights statement
Copyright 2001 American Chemical SocietyRepository Status
- Restricted