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- Publications
- Influence
Induced-charge electrophoresis of metallodielectric particles.
- S. Gangwal, O. Cayre, M. Bazant, O. Velev
- Materials Science, Medicine
- Physical review letters
- 17 August 2007
The application of ac electric fields in aqueous suspensions of anisotropic particles leads to unbalanced liquid flows and nonlinear, induced-charge electrophoretic motion. We report experimental… Expand
Dielectrophoretic assembly of metallodielectric Janus particles in AC electric fields.
- S. Gangwal, O. Cayre, O. Velev
- Chemistry, Medicine
- Langmuir : the ACS journal of surfaces and…
- 31 October 2008
"Janus" particles with two hemispheres of different polarizability or charge demonstrate a multitude of interesting effects in external electric fields. We reported earlier how particles with one… Expand
Measuring the three-phase contact angle of nanoparticles at fluid interfaces.
- L. Arnaudov, O. Cayre, M. C. Cohen Stuart, S. Stoyanov, V. Paunov
- Chemistry, Medicine
- Physical chemistry chemical physics : PCCP
- 14 January 2010
We report a generic technique to image and study the wettability of spherical nanoparticles adsorbed at liquid surfaces and demonstrate that nanoparticle monolayers can be imprinted at air-water and… Expand
Preparation of particle-stabilized emulsions using membrane emulsification
- Q. Yuan, O. Cayre, Mohamed S. Manga, R. Williams, S. Biggs
- Materials Science
- 23 March 2010
There is currently significant interest in particle-stabilized emulsions for a variety of applications and as precursors to other materials such as microcapsules or colloidosomes. A prerequisite for… Expand
Fabrication of asymmetrically coated colloid particles by microcontact printing techniques
We developed a novel method for preparation of asymmetrically coated colloid particles by using a microcontact printing technique. Films of water-insoluble ionic surfactants deposited on PDMS stamps… Expand
Fabrication of dipolar colloid particles by microcontact printing.
A novel technique for preparation of dipolar colloid particles has been developed which is based on microcontact printing of films of water-insoluble ionic surfactants onto monolayers of colloid… Expand
Emulsions stabilised by food colloid particles: role of particle adsorption and wettability at the liquid interface.
- V. Paunov, O. Cayre, Paul F Noble, S. Stoyanov, K. Velikov, M. Golding
- Materials Science, Medicine
- Journal of colloid and interface science
- 15 August 2007
We study the effect of the particle wettability on the preferred type of emulsion stabilised solely by food colloid particles. We present results obtained with the recently developed gel trapping… Expand
Responsive core-shell latex particles as colloidosome microcapsule membranes.
- Qingchun Yuan, O. Cayre, Syuji Fujii, S. Armes, R. Williams, S. Biggs
- Materials Science, Medicine
- Langmuir : the ACS journal of surfaces and…
- 28 October 2010
Responsive core-shell latex particles are used to prepare colloidosome microcapsules using thermal annealing and internal cross linking of the shell, allowing the production of the microcapsules at… Expand
Evaluation of Anionic and Cationic Pulp-Based Flocculants With Diverse Lignin Contents for Application in Effluent Treatment From the Textile Industry: Flocculation Monitoring
- Kinga Grenda, J. Gamelas, J. Arnold, O. Cayre, M. Rasteiro
- Chemistry, Medicine
- Frontiers in Chemistry
- 30 January 2020
In wastewater treatment, flocculation is a widely used solid/liquid separation technique, which typically employs a charged polymer, a polyelectrolyte (PEL). Polyelectrolytes features, such as charge… Expand
Stimulus responsive core-shell nanoparticles: synthesis and applications of polymer based aqueous systems
- O. Cayre, N. Chagneux, S. Biggs
- Materials Science
- 7 March 2011
In this article we review the current state of knowledge in the field of responsive nanoparticles for aqueous-based systems. The review focuses on the use of stimuli-responsive copolymers that can… Expand