Showing papers in "Colloids and Surfaces A: Physicochemical and Engineering Aspects in 2014"

TL;DR: In this article, a simple, environmentally friendly and cost-effective method has been developed to synthesize silver nanoparticles (AgNPs) using tea leaf extract, and the reaction was carried out for 2h at room temperature.

TL;DR: In this article, the authors evaluated the contribution of the soluble zinc species to the antimicrobial activity of ZnO on microbial cultures in broth medium and the investigation of the dissolution of zinc from znO suspensions.

TL;DR: A review of the recent work in the area of biomass-based particles for Pickering emulsions in the context of foods and topical creams can be found in this paper.

TL;DR: In this article, a facile fabrication method for the synthesis of magnetic biochar composite (MBC) by using low-cost pine bark waste and CoFe 2 O 4 was demonstrated.

TL;DR: In this paper, the influence of initial Rhodamine-B concentration, temperature and pH on dye adsorption were analyzed, and it was shown that initial RhB concentration and temperature played important roles in the dye adaption process.

TL;DR: In this article, a cost effective and scalable recipe for fabricating biodegradable cellulose aerogels from paper waste has been realized, which can be optimized for absorbing polar (water) or non-polar liquids (oil).

TL;DR: In this paper, the authors used nZVI to remove phosphate from aqueous solution, and the influence of pH, ionic strength and coexisting anions on phosphate removal was investigated.

TL;DR: In this article, a simple green, microwave-assisted method of synthesizing silver nanoparticles was developed using sodium alginate as stabilizer and reducer, and the results indicated the formation of spherical, nanometer-sized particles.

TL;DR: In this article, the fundamental theories and recent achievements in the design, fabrication and applications of super-non-wettable surfaces are reviewed and compared to those of liquid repellency.

TL;DR: In this article, a dual emulsifier system including hydrophobic silica particles and non-ionic surfactant was used to stabilize water-in-oil (W/O) emulsions.

TL;DR: In this article, an experimental and theoretical study of the evaporation of a sessile water drop to open atmosphere when the temperature difference between the solid substrate and the atmosphere is about 40°C is presented.

TL;DR: A review of reported boron removal technology from aqueous solutions, including adsorption process, membrane process, hybrid process and other methods, is presented in this article.

TL;DR: In this paper, a superhydrophobic surface with a contact angle of 154.1° was successfully fabricated by a simple and environment-friendly method with boiling water treatment and stearic acid modification.

TL;DR: In this paper, three layered double hydroxide (LDH) materials comprising of Mg/Al, Ni/Al and Zn/Al with molar ratio (M2+/Al3+ ǫ = 3) were synthesized via a facile hydrothermal route and microstructures, morphologies and textural properties of the LDH materials were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and N2 adsorption-desorption techniques.

TL;DR: In this paper, the authors examined the adsorption of an anionic surfactant blend and sodium polyacrylate on dolomite and demonstrated that, under certain conditions, the sodium poly-polycrylate adsorbs preferentially.

TL;DR: In this article, the authors described the synthesis and characterization of magnetic Fe3O4 nanoparticle (NP)-embedded phase change material (PCM) nanocapsules (Mag-PCM), based on a paraffin core and polyurea shell (paraffin@polyurea).

TL;DR: In this article, the effects of the type and concentration of inorganic salts, the pH, and the adsorption of the oil polar fractions, naphthenic acid and cationic surfactant on the zeta potential of limestone in a large range of salinity were investigated.

TL;DR: In this paper, a technique based on RP-HPLC to determine trans-resveratrol concentration in the external aqueous phase with UV-vis and fluorescence detectors was developed.

TL;DR: In this paper, the synthesis of strontium/cerium co-substituted HA nanoparticles (Ca/Sr/Ce-HA) by microwave irradiation method is presented.

TL;DR: In this article, a freshly formed Fe-Mn binary oxide (FMBO) suspension was prepared for phosphate removal using simultaneous oxidation and coprecipitation method, and the results indicated that ferric oxide was relatively enriched on the surface of nanostructured binary oxide, resulting in its pH(ZPC) and XRD pattern close to HFO.

TL;DR: In this paper, the authors used reduced graphene oxide (rGO) as an adsorbent material to remove the cationic dye from aqueous system using reduced graphite (Graphite-Graphite) as a substrate.

TL;DR: In this article, the dynamics of fracture, the mean space cracking and delamination are examined, and the initial crack spacing appears to be correctly predicted by the Allain and Limat model implemented for open geometries.

TL;DR: In this paper, an ionic gelation technique was applied to form nanoparticles through linkages between tripolyphosphate (TPP) and chitosan (CTS) and the formulation was optimized using a 2 3 factorial design to analyze the effect of the pH, CTS:TPP ratio and acetic acid concentration in size and charge of the particles.

TL;DR: In this paper, pH induced micellar transition in aqueous solution of cetyltrimethylammonium bromide (CTAB) in the presence of three weakly polar aromatic additives viz. p-toluic acid, p-cresol and p -toluidine was reported.

TL;DR: In this paper, the adsorption kinetics, isotherms and thermodynamics of Cr(III) on graphene oxide (GO) were studied, and it was found that the adorption was strongly dependent on solution pH, but weakly dependent on ionic strength.

TL;DR: In this article, the effect of some reservoir parameters on application of polyacrylate as a sacrificial agent is investigated, and it is shown that adding a small amount of poly-crylate can significantly decrease the total material cost to as low as one-fifth of that without use of sacrificial agents.

TL;DR: In this article, uniform alginate particles with submicron to micron size were successfully prepared by premix membrane emulsification, and the uniform particles were coated with relatively hydrophobic chitosan to overcome the high hydrophilicity of alginates.

TL;DR: In this article, the performance of symmetric supercapacitors assembled by colloidal nanocrystal clusters (CNCs) in aqueous electrolytes was investigated by using cyclic voltammetry, galvanostatic charge-discharge, cycle stability and electrochemical impedance spectroscopy.

TL;DR: In this paper, the thermal and electrical conductivities of zinc oxide and copper oxide nanofluids with varying concentrations of nanoparticles (0.1, 0.3, and 0.5 ) were analyzed using a scanning electron microscope and dynamic light scattering (DLS) method, respectively.

TL;DR: In this article, the removal of arsenic in contaminated groundwater on magnetic nanoscale Fe-Mn binary oxides loaded zeolite (MFM) is evaluated by an improved precipitation method; and is easily separated from water by an external magnetic field after arsenic removal.