Results 201 to 210 of about 14,433 (220)
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Pickering emulsions for skin decontamination
Toxicology in Vitro, 2016This study aimed at developing innovative systems for skin decontamination. Pickering emulsions, i.e. solid-stabilized emulsions, containing silica (S-PE) or Fuller's earth (FE-PE) were formulated. Their efficiency for skin decontamination was evaluated, in vitro, 45min after an exposure to VX, one of the most highly toxic chemical warfare agents ...
Salerno, Alicia +5 more
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Pickering Janus Emulsions Stabilized with Gold Nanoparticles
Langmuir, 2021We report a modified approach to the batch scale preparation of completely engulfed core-shell emulsions or partially engulfed Janus emulsions with colorful optical properties, containing water, olive oil, and silicone oil. The in situ reduction of gold chloride, forming gold nanoparticles (AuNPs) at the olive oil interface in the absence or presence ...
Rajarshi Roy Raju, Joachim Koetz
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Pickering Emulsion Polymerization Technology
2023Ministry of Research, Innovation and Digitization of Romania, CNCS/CCCDI-UEFISCDI, project number PN-III-P4-PCE-2021-0306 (Contract Nr. PCE62/2022).
Honciuc, Andrei +2 more
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Aggregation in Pickering emulsions
Colloid & Polymer Science, 1999For the first time, the particle distribution and aggregation in Pickering emulsions were made visible by transmission X-ray microscopy. Oil/water emulsions were stabilized by heterocoagulates of a clay mineral and magnesium aluminum hydroxide. Stability is optimum when the particles surround the oil droplets and also assemble to form a network ...
J. Thieme, S. Abend, G. Lagaly
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Pickering Emulsions Stabilized by Nanoparticle Surfactants
Langmuir, 2012Amphiphilic gold nanoparticles are demonstrated to effectively stabilize emulsions of hexadecane in water. Nanoparticle surfactants are synthesized using a simple and scalable one-pot method that involves the sequential functionalization of particle surfaces with thiol-terminated polyethylene glycol (PEG) chains and short alkane-thiol molecules.
Kjersta, Larson-Smith, Danilo C, Pozzo
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Multiple Pickering Emulsions Stabilized by Microbowls
Langmuir, 2011Some researchers have focused on the adsorption of solid particles at fluid-fluid interfaces and prepared emulsions and foams called "Pickering emulsions/foams". However, while several reports exist on simple spherical emulsions, few reports are available on the formation of more complex structures.
Yoshimune, Nonomura +2 more
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Aging mechanism in model Pickering emulsion
Soft Matter, 2016We study the stability of a model Pickering emulsion system using fluorinated oil and functionalized silica nanoparticles.
Sarah, Fouilloux +3 more
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Surfactant-enhanced cellulose nanocrystal Pickering emulsions
Journal of Colloid and Interface Science, 2015The effect of surfactants on the properties of Pickering emulsions stabilized by cellulose nanocrystals (CNCs) was investigated. Electrophoretic mobility, interfacial tension, confocal microscopy and three-phase contact angle measurements were used to elucidate the interactions between anionic CNCs and cationic alkyl ammonium surfactants ...
Zhen, Hu +3 more
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Pickering emulsions stabilized by charged nanoparticles
Soft Matter, 2016The stabilization of o/w Pickering emulsions in cases of weak adsorption of solid particles at the surface of oil droplets is addressed. Though the adsorption is usually very strong and irreversible when partial wetting conditions are fulfilled, electrostatic repulsions between charged solid particles act against the adsorption.
Laure, Ridel +4 more
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Emulsions stabilized with solid nanoparticles: Pickering emulsions
Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2013Pickering emulsions are attractive formulations because they are simple and bear strong similarities with the well-known surfactant-based emulsions. Pickering emulsions have been largely ignored since their early disclosure in 1907 and arouse a renewed interest quite recently.
Yves Chevalier +1 more
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