Showing papers in "Journal of Colloid and Interface Science in 1988"

TL;DR: In this article, a simple model for simultaneous aerosol nucleation, condensation, and coagulation is presented over the entire particle size spectrum approximately the size distribution by a unimodal lognormal function.

TL;DR: In this article, the authors derived expressions describing the dependence of the crystallization induction period tind on supersaturation for different possible nucleation and growth mechanisms, and their validity is assessed on the basis of experimental evidence.

TL;DR: In this paper, the problem of low Reynolds number wetting liquid flow in a noncircular capillary occupied predominantly by a nonwetting gas phase is separated into individual corner flow problems and solved numerically.

TL;DR: In this paper, a treatment to deal with dynamic surface tension data of surfactant solutions is suggested, which is divided into four stages: induction region, fast fall region, meso-equilibrium region, and equilibrium region.

TL;DR: In this article, static and dynamic light-scattering studies on the temperature-induced micellization behavior in aqueous solutions of poly (oxyethylene-oxypropylene-oxyethylenes) block copolymer, poloxamer 188, are presented.

TL;DR: In this article, the behavior of colloidal Fe3O4 (∼100 A) in weakly acidic medium (pH 2-2.5) has been investigated by potentiometry, X-ray diffraction, and Mossbauer spectroscopy.

TL;DR: In this article, the authors examined the mechanism responsible for restricted swelling of calcium clays in water and in aqueous salt solutions, and the diffuse double-layer interactions using an advanced statistical mechanical method, the Anisotropic Hypernetted Chain approximation.

TL;DR: From these studies, it is apparent that the magnitude of the binding forces at the liquid-polymer interface is a function of both the biomaterial composition and the individual protein.

TL;DR: In this paper, the van der Waals interaction of coated and uncoated nonmetallic half spaces as a function of separation distance is estimated using a three-parameter representation of the dielectric spectrum of each material.

TL;DR: In this article, the activation isotherms for a wide range of humic substance molecular size fractions display an inverse dependence on the adsorbent mass based on the available surface area.

TL;DR: In this paper, a mixture of surfactant and alkyl sulfate ions is used to form a monolayer of double metal hydroxide layers, with the chains tilted about 56° to the hyroxide sheet, and small organic molecules are intercalated with maintenance of the 56° chain orientation.

TL;DR: In this article, the adsorption of phenol and substituted phenols, such as 4-nitrophenol, 2,4-dinitrophenols, 4-chlorophenol, and 4-dichlorophenol in aqueous solution, has been determined at 298 K on a series of activated carbons, prepared from olive stones, having a wide range of burnoff (8-52%) and micropore size distributions.

TL;DR: In this article, high-frequency dielectric response measurements were performed on three monodisperse polystyrene latices at varying electrolyte concentrations and compared with results obtained from microelectrophoresis.

TL;DR: In this paper, the intrinsic diffusion coefficients and the virial coefficients were determined by extrapolating the experimental data to infinite dilution and studied as functions of the following variables: the molar ratio of water to surfactants, the chain length of oil, salinity, and the ratio of nonionic surfactant, Arlacel-20, to AOT.

TL;DR: The role of the vesicle membrane in the mediation of intravesicular precipitation of iron oxides is discussed in terms of the kinetic and spatial restrictions inherent in the reaction environment as discussed by the authors.

TL;DR: In this paper, a radiolabeling technique was employed to study adsorption equilibrium and kinetics of bovine serum albumin on five polymeric surfaces of different hydrophilicities and on glass.

TL;DR: In this article, a discrete-sectional model is presented that can simulate the simulate the aerosol evolution associated with fast chemical reactions, and the mechanisms of coagulation, evaporation, and chemical reactions are treated in this model.

TL;DR: In this paper, the cyclohexane solution of calcium 1,2-bis-(2-ethylhexyloxycarbonyl)-1-ethane sulfonate (CaOT) was used to study the formation of W O microemulsion and the preparation of CaCO3 particles.

TL;DR: In this paper, the authors presented a surface force instrument that allows the intermolecular forces and rheology between a sphere and a plane to be measured continuously and simultaneously.

TL;DR: In this article, a formula for the electrophoretic mobility of a spheroidal particle in the thin double-layer limit was derived, taking into account the change in the ion densities induced by the applied field, an effect which becomes significant as the particle ζ potential increases.

TL;DR: In this paper, phase diagrams of alkyltrimethylammonium surfactants and different polar solvents were determined or collected from the literature, and the size of the existence regions for the liquid crystalline phases with hexadecyltrimylammonium bromide and water, glycerol, formamide, ethylene glycol, and N-methylformamide was correlated to the solvent/hydrocarbon interfacial tension.

TL;DR: In this paper, the results showed that trimethoxymethylsilane and Cab-O-Sil in toluene were catalyzed by Amines with exchangeable protons to a significantly larger extent than those without such protons.

TL;DR: The apparent agreement of bilayer and micellar ion binding parameters raises an important challenge for theories of double-layer interactions.

TL;DR: In this article, the authors measured the temperature dependence of the surface potential at the γ-Al2O3/electrolyte interface by applying the surface site dissociation model, which can be interpreted in terms of the enthalpy changes of the ionization reactions of surface sites.

TL;DR: In this article, a nonvolatile liquid drop on a horizontal smooth solid surface with negligible effects of gravity and inertia is reported, where the liquid is strongly wetting to the solid with an advancing static contact angle θ s less than 1°.

TL;DR: It was found that C3 adsorbed on hydrophobic silicon had a conformation exposing antigenic epitopes which are only accessible in C3 denatured by SDS or C3 that have been biologically activated.

TL;DR: In this paper, the volume exclusion force between colloidal particles and solvent molecules is calculated from the radial distribution function for a pair of large spheres using the Percus-Yevick approximation.

TL;DR: In this article, the theory of capillary penetration has been extended to include the case of drops of a finite size, and a thermodynamic discussion and a kinetic theory are presented.

TL;DR: In this article, the precipitation phase boundary for mixtures of NaDS and dodecylpyridinium chloride (DPCl) is determined over a wide range of concentrations, and a model is developed to predict the precipitation boundary by combining regular solution theory, to calculate monomer-micelle equilibrium, with a solubility product relationship between surfactant monomer concentrations.

TL;DR: In this article, a uniform coatings of zirconium hydrous oxide have been deposited over spindle-type hematite particles by aging the preformed solids in the above solutions in the presence of a stabilizing agent.