Characteristic features of hydroxystearic acid monolayers at the air/water interface

Article Abstract:

A study was conducted on the effect of high NaCl concentrations in the aqueous subphase on the structure and phase properties of selected n-hydroxystearic acid monolayers. The main characteristic features of 2-, 9-, 11-, and 12- hydroxystearic acid monolayers spread on 1 M NaCl aqueous pH 3 subphase were determined by studying the phase behavior, morphological texture, and lattice structure.

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Interfacial molecular recognition of dissolved thymine by medium chain dialkyl melamine-type monolayers

Article Abstract:

The change in the thermodynamic, phase and structural properties is studied as a result of molecular recognition of dissolved thymine by medium chain dialkyl melamine-type monolayers is studied. It is demonstrated that the molecular recognition of the nonsurface-active thymine dissolved in aqueous subphase changes drastically the characteristic features of the 2C11H23-melamine monolayer.

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Equation of state for monolayers under consideration of the two-dimensional compressibility in the condensed state

Article Abstract:

The equation of state for Langmuir monolayers was generalized for the case that one, two or more phase transitions in the monolayers take place, provided that the two-dimensional compressibility undergoes a jump at the phase transition. Within any condensed phase of the monolayer this compressibility is proportional to the surface pressure.

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