pH-sensitive self-motion of a solid scraping on an aqueous phase
Article Abstract:
Experiments were performed to investigate the influence of pH levels on the self-motion of an organic acid scraping at an air/water interface. Samples of camphoric acid were examined. The findings suggest a correlation between the periodic change in surface concentration of the camphoric acid layer and the oscillation kinetics in an oil-water interface. The observed surface convection in the samples were considered as effects of the capillary process. Moreover, motion change in camphoric acid was attributed to varying energy gradients in its outer environment.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 1998
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Influence of methane on the phase behavior of oil + water + nonionic surfactant systems
Article Abstract:
Experiments were performed to investigate the role of methane on the phase behavior of the surfactant system water + decane + 2-butoxyethanol. The samples were studied under temperature ranges of 278 to 365 K and pressures of 10 to 100 MPa. Methane and ethane were used as the model oil. Methane concentration in the oil mixture ranged from 0 to 5 to 10 wt%. Low amount of methane resulted in quantitative changes and high concentrations are expected to produce qualitative changes in the pressure function of the system.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 1998
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Influence of polyelectrolyte multilayer coatings on Forster resonance energy transfer between 6-carboxyfluorescein and rhodamine B-labeled particles in aqueous solution
Article Abstract:
A study was conducted to analyze the layer characteristics of polyelectrolyte multiplayers on the particle surface. The Forster resonance energy transfer between 6-carboxyfluorescein and rhodamine B-labeled melamine formaldehyde (RhB-MF) particles in aqueous solution was examined. Experimental results indicated the effectiveness of the layer-by-laer assembly method in forming polyelectrolyte multilayers coated on RhB-MF particles.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 1998
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- Abstracts: Phase transitions of liquid crystal PAA in confined geometries. Decanol effect on the structure of the hexagonal phase in a lyotropic liquid crystal
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