Relating lattice and domain-structures of monoglyceride monolayers

Brezesinski, G, Scalas, E, Struth, B, Mohwald, H, Bringezu, F, Gehlert, U, Weidemann, G and Vollhardt, D (1995) Relating lattice and domain-structures of monoglyceride monolayers. Journal of Physical Chemistry, 99 (21). pp. 8758-8762. ISSN 0022-3654

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Abstract

The segment structure of 1-monopalmitoylglycerol monolayer domains at the air-water interface studied by Brewster angle microscopy is related to the results of X-ray diffraction measurements as a function of surface pressure. The condensed-phase domains are subdivided into seven segments and have segment angles near 52 degrees. The segment boundaries are ascribed to low-energy lattice rows which are the [31] and the [3-1] lines in the two-dimensional lattice. As the lattice structure is changed upon compression, shifting the angle between these directions toward 58 degrees, 7-fold segment structures are expected to transform into 6-fold ones on compression to high surface pressures. This is observed, supporting the validity of the model, although the aliphatic tails form a free rotator phase and no crystal.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Mathematics
Subjects: Q Science > QD Chemistry > QD0450 Physical and theoretical chemistry
Q Science > QD Chemistry > QD0901 Crystallography
Depositing User: Enrico Scalas
Date Deposited: 03 Oct 2014 11:42
Last Modified: 03 Oct 2014 11:42
URI: http://sro.sussex.ac.uk/id/eprint/50323
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