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Experiments with Active Emulsions
Published on Jun 13, 20124824 Views
Experiments are presented with emulsions showing various types of 'active' collective behavior. Ensembles of aqueous droplets containing Belouzov-Zhabotinski (BZ) oscillators are shown to exhibit coup
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Experiments with Active Emulsions00:00
Dynamics of Complex Fluids00:29
Droplet-based microfluidics01:54
Gel emulsions in microchannels - 105:27
Gel emulsions in microchannels - 207:10
Inducing chemical reactions - 209:37
Controlling/changing droplet positions - 110:43
Controlling/changing droplet positions - 214:27
Controlling droplet contents15:28
Formation of bilayer membranes - 118:34
Formation of bilayer membranes - 220:11
Properties of membranes21:15
Applications: towards nanoscience - 123:51
Applications: towards nanoscience - 224:04
Dense emulsions in micro-fluidics - 124:16
Dense emulsions in micro-fluidics - 226:56
The Belousov-Zhabotinsky (BZ) Reaction - 128:01
The Belousov-Zhabotinsky (BZ) Reaction - 229:01
The Belousov-Zhabotinsky (BZ) Reaction - 329:09
The Belousov-Zhabotinsky (BZ) Reaction - 429:30
The Belousov-Zhabotinsky (BZ) Reaction - 530:07
The Belousov-Zhabotinsky (BZ) Reaction - 630:52
Droplet arrays and coupling - 131:42
Droplet arrays and coupling - 233:00
Droplet arrays and coupling - 334:15
'Active' emulsions: Belouzov-Zhabotinski reaction - 135:44
'Active' emulsions: Belouzov-Zhabotinski reaction - 238:26
'Active' emulsions: Belouzov-Zhabotinski reaction - 339:49
Locomotion of BZ droplets40:38
Free running droplets - 140:55
Free running droplets - 243:13
A little bit of theory43:18
Locomotion flow field45:21
Velocity control - 145:47
Velocity control - 247:03
Fingerprints of non-equilibrium - 147:25
Fingerprints of non-equilibrium - 248:03
Collective phenomena far from equilibrium48:26
Collective effects: hydrodynamic interations48:32
Particle Tracking Velocimetry (PTV)49:56
Pair correlation51:01
Another system: liquid crystals in surfactant solution51:42
Director is aligned with direction of motion52:41
Pair interaction53:23
The energy source: formation of a micro-emulsion53:41
The smectic version: 'myelin' formation54:33
...'myelin' formation: 'telephone cords' ... - 155:37
...'myelin' formation: 'telephone cords' ... - 256:56
... and a hierarchy of structures!57:32
Thank you for your attention!59:30