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The introduction of the highly-sensitive imaging technique Brewster angle microscopy (BAM) has given rise to new knowledges about the mesoscopic topology and ordering of condensed phase domains formed in the two-phase coexistence region of Langmuir monolayers. Besides fatty acids, monoalkanoylglycerols are the most studied amphiphiles at the air−water interface. In this review, the mesoscopic characterization...
The effect of chirality on the thermodynamic behavior, the morphological features, and the 2D lattice structures of 3-monopalmitoyl-sn-glycerol monolayers is studied. The results are based on measurements of the surface pressure-area (π-A) isotherms, Brewster angle microscopy (BAM), and Synchrotron X-ray diffraction at grazing incidence (GIXD). The π-A isotherms of the enantiomeric 3-monopalmitoyl-sn-glycerol...
The adsorption layers of aqueous solutions of N-dodecyl-γ-hydroxy-butyric acid amide show a first-order phase transition between a fluid-like low-density phase and a condensed phase. Two-dimensional domains are formed which were visualized by Brewster angle microscopy. The π- A isotherms of the Langmuir monolayers show the wellknown plateau region with the critical surface pressure as the starting...
In the present paper, we theoretically investigate the effect of chiral interaction on the morphology of the domain in the condensed phase of amino acid amphiphiles like N-palmitoyl aspartic acid and N-stearoyl serine methyl ester. We derived relations to calculate the intermolecular potential of a pair of chiral molecules, which is dependent on the intermolecular separation and the mutual orientation...
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