Adsorption of fatty acid molecules on amine-functionalized silica nanoparticles: surface organization and foam stability

Y Ma, Y Wu, JG Lee, L He, G Rother, AL Fameau… - Langmuir, 2020 - ACS Publications
The crucial roles of the ionization state and counterion presence on the phase behavior of
fatty acid in aqueous solutions are well-established. However, the effects of counterions on …

Adsorption behaviour of surfactant-nanoparticles at the gas-liquid interface: influence of the alkane chain length

M Zhao, R Wang, C Dai, X Wu, Y Wu, Y Dai… - Chemical Engineering …, 2019 - Elsevier
Silica nanoparticles (NPs) have shown tremendous application potential as stabilising
agents in foams. The adsorption of cationic surfactants on the surface of NPs through …

Particle stabilized aqueous foams at different length scales: synergy between silica particles and alkylamines

A Carl, A Bannuscher, R von Klitzing - Langmuir, 2015 - ACS Publications
Nanoparticles can be efficient foaming agents. Yet, the detailed mechanisms of foam
stabilization by these particles remain unclear. In most cases, the foamability and foam …

Properties of fatty amine–silica nanoparticle interfacial layers at the hexane–water interface

CP Whitby, D Fornasiero, J Ralston… - The Journal of …, 2012 - ACS Publications
The formation and properties of composite layers of silica nanoparticles and an oil-soluble
(fatty) amine surfactant at the oil–water interface have been studied using interfacial …

Insight on methane foam stability and texture via adsorption of surfactants on oppositely charged nanoparticles

M Doroudian Rad, A Telmadarreie, L Xu, M Dong… - Langmuir, 2018 - ACS Publications
We report the phase behavior of a dispersion of alumina-coated silica nanoparticles in the
presence of an anionic surfactant (sodium fatty alcohol polyoxyethylene ether sulfate), and …

Emulsions stabilized by the interaction of silica nanoparticles and palmitic acid at the water–hexane interface

E Santini, E Guzmán, M Ferrari, L Liggieri - Colloids and Surfaces A …, 2014 - Elsevier
The interaction between palmitic acid (PA) and silica nanoparticles at the water/hexane has
been studied in relation to the ability in the stabilization of water in oil emulsions. To this aim …

Probing the Interfacial Properties of Oil–Water Interfaces Decorated with Ionizable, pH Responsive Silica Nanoparticles

AW Alsmaeil, A Kouloumpis, G Potsi, MA Hammami… - Langmuir, 2023 - ACS Publications
Particle-stabilized emulsions (Pickering emulsions) have recently attracted significant
attention in scientific studies and for technological applications. The interest stems from the …

Elastic gas/water interface for highly stable foams with modified anionic silica nanoparticles and a like-charged surfactant

C Da, X Chen, J Zhu, S Alzobaidi, G Garg… - Journal of Colloid and …, 2022 - Elsevier
Hypothesis. Surface active anionic nanoparticles (NPs) with strategically designed covalent
ligands may be combined with a liked-charged surfactant to form a highly elastic gas–water …

Non-ionic surfactant interactions with hydrophobic nanoparticles: Impact on foam stability

TN Hunter, EJ Wanless, GJ Jameson… - Colloids and Surfaces A …, 2009 - Elsevier
The interactive behaviour of particles and surfactant at an air–water interface has been
investigated, with particular reference to the effect of the interactions on the stability of air …

Synergistic role of temperature and salinity in aggregation of nonionic surfactant-coated silica nanoparticles

Y Ma, C Heil, G Nagy, WT Heller, Y An, A Jayaraman… - Langmuir, 2023 - ACS Publications
The adsorption of nonionic surfactants onto hydrophilic nanoparticles (NPs) is anticipated to
increase their stability in aqueous medium. While nonionic surfactants show salinity-and …