Results 221 to 230 of about 6,322 (255)
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Droplet model for quark confinement
Physical Review D, 1978We propose a droplet picture for the quark-confinement phase transition. Our model for the transition reduces to a statistical mechanics of strings in the cylindrical coordinates (vertical-barxvertical-bar,t). The strings are similar to phase boundaries in an Ising model.
Arthur Jaffé, James Glimm
exaly +2 more sources
Effect of Confinement on Droplet Breakup in Sheared Emulsions
Langmuir, 2006The breakup of Newtonian droplets in a Newtonian matrix during shear flow is investigated in a counterrotating parallel plate device. For bulk conditions, the critical capillary number for breakup is known to be only determined by the viscosity ratio.
Peter Van Puyvelde, Paula Moldenaers
exaly +3 more sources
Hydrodynamics of a confined active Belousov-Zhabotinsky droplet
Physical Review E, 2022Self-sustained locomotion of synthetic droplet swimmers has been of great interest due to their ability to mimic the behavior of biological swimmers. Here we harness the Belousov-Zhabotinsky (BZ) reaction to induce Marangoni stresses on the fluid-droplet interface and elucidate the spontaneous locomotion of active BZ droplets in a confined two ...
K. V. S. Chaithanya +2 more
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Dynamic culture of droplet‐confined cell arrays
Biotechnology Progress, 2009AbstractResponding to the need of creating an accurate and controlled microenvironment surrounding the cell while meeting the requirements for biological processes or pharmacological screening tests, we aimed at designing and developing a microscaled culture system suitable for analyzing the synergic effects of extracellular matrix proteins and soluble
CIMETTA, ELISA +4 more
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Evaporation of solutions and colloidal dispersions in confined droplets
Physical Review E, 2011We present a model that describes the drying of solutions and colloidal dispersions from droplets confined between two circular plates. This confined geometry, proposed by Clément and Leng [Langmuir 20, 6538 (2004)], casts a perfect control of the evaporation conditions, and thus also of the concentration kinetics of the solutes in the droplet.
L, Daubersies, J-B, Salmon
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Confined ferrofluid droplet in crossed magnetic fields
The European Physical Journal E, 2007When a ferrofluid drop is trapped in a horizontal Hele-Shaw cell and subjected to a vertical magnetic field, a fingering instability results in the droplet evolving into a complex branched structure. This fingering instability depends on the magnetic field ramp rate but also depends critically on the initial state of the droplet. Small perturbations in
D P, Jackson, J A, Miranda
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Confined flow behaviour of droplets in microcapillary flow
The European Physical Journal E, 2019The problem of droplets flowing in a micritions is relevant in several applications including flow in porous media. When the flow in the capillary is laminar with negligible gravity effects, droplet velocity and deformation depend upon three independent parameters: the droplet size relative to the capillary radius [Formula: see text][Formula: see text],
D'Apolito, Rosa +4 more
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Droplet deformation under confined Poiseuille flow
Advances in Colloid and Interface Science, 2010The flow behavior of droplet-based liquid-liquid systems, such as emulsions, polymer blends, and foodstuff, which are ubiquitous in everyday life, has attracted scientific interest in different disciplines. In this review, we focus on the pressure-driven confined flow behavior of isolated droplets in circular and rectangular cross-section channels ...
GUIDO, STEFANO, PREZIOSI, VALENTINA
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Active droplets in microfluidic confinement
Physics of FluidsActive droplets generate self-propelled motion through physicochemical interactions with surfactants present in the surrounding medium. The motion of such droplets is strongly influenced by the surfactant distribution around the droplets. In this study, we focus on the modulation of the surfactant distribution around active droplets, arising from the ...
S. Singh, P. K. Mondal, S. Mandal
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Droplet Confinement and Fluorescence Measurement of Single Molecules
2010We describe a method for molecular confinement and single-fluorophore sensitive measurement in aqueous nanodroplets in oil. The sequestration of individual molecules in droplets has become a useful tool in genomics and molecular evolution. Similarly, the use of single fluorophores, or pairs of fluorophores, to study biomolecular interactions and ...
Lori S, Goldner +2 more
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