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.

All Other Miscellaneous Chemical Product and Preparation Manufacturing, Chemical preparations, not elsewhere classified, Stearic Acid, Lattice dynamics, Chemical properties

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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.

Biological Product (except Diagnostic) Manufacturing, Drugs, Thymine, Atomic properties

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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.

Chemistry, Physical and theoretical, Physical chemistry, Equations of state, Condensation, Condensation (Meteorology)

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