Journal ArticleDOI
Measurement of forces between two mica surfaces in aqueous electrolyte solutions in the range 0–100 nm
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The main results and conclusions of experimental measurements of the forces between molecularly smooth mica surfaces in aqueous electrolyte solutions are as follows: as mentioned in this paper, and they are based on the following assumptions:Abstract:
The main results and conclusions of experimental measurements of the forces between molecularly smooth mica surfaces in aqueous electrolyte solutions are as follows:read more
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Dynamic friction by polymer/surfactant mixtures adsorbed on surfaces
Linmao Qian,and Magali Charlot,Eric Perez,Gustavo S. Luengo,and Anne Potter,Colette Cazeneuve +5 more
TL;DR: In this article, a cationic polyelectrolyte was adsorbed on mica from highly concentrated solutions and the friction and surface force behaviors of the adorbed layers in aqueous media were studied using a new homemade surface force apparatus.
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Direct measurement of double-layer, van der Waals, and polymer depletion attraction forces between supported cationic bilayers.
TL;DR: The experimental results are shown to agree well with standard theories of depletion attraction and double-layer screening associated with dissolved polyelectrolyte, and implications for the interactions and stability of vesicle dispersions, i.e., of free rather than supported bilayers, in polymer solutions are discussed.
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Invariance of the solid-liquid interfacial energy in electrowetting probed via capillary condensation.
TL;DR: The experimental results on nanometer-sized meniscus are in agreement with the work of Mugele and unequivocally demonstrate that the real contact angle (or the solid-liquid interfacial energy) remains unaltered in electrowetting on dielectric.
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The mechanism of alteration of macroscopic contact angles by the adsorption of surfactants
TL;DR: The mechanism by which macroscopic measured contact angles on quartz surfaces change is discussed in this article, where the structural component dominates all the other interactions in the calculation of the apparent contact angle.
Journal ArticleDOI
Surface force apparatus and its application to nanorheological studies
TL;DR: In this article, a surface force apparatus was adapted to operate as a rheometer on a molecular scale, and three kinds of tests enabling the measurement of the viscoelastic properties of confined media in addition to static interactions between the surfaces were presented.