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Small Matters Video Contest — 2012 Gallery
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Slug flow microreactors The author reports on the development of a continuous microfluidic two-phase and three-phase reaction system that use a slug/segmented flow to increase the reaction surface and provide more intensive mixing. Watch the Video |
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Electrohydrodynamics' (EHD) microbubbles This video is about an inside observation of a nozzle during electrohydrodynamic inkjet printing process. An interesting phenomenon happens, which is an electrolytic reaction. This process, in turn, produces bunch of microbubbles as a side effect in a leaky dielectric liquid at the surface of metal wire tip. However, this condition only happens whenever the metal wire is supplied with specific polarity and voltage threshold. Watch the Video |
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Integrated microfluidics system using surface acoustic wave and electrowetting on dielectrics technology This video shows a nano-litre microdroplet splitted into two droplets by combined electrowetting-on-dielectric (EWOD) and surface acoustic wave forces. Watch the Video |
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Dean Flow Assisted Inertial Focusing Inertial focusing of a bidisperse suspension of microparticles showing the separation behavior achieved without externally applied forces. Watch the Video |
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Opto-electrokinetically induced twin microvortices The video shows an opto-electrokinetically induced flow patterning by an AC signal and laser illumination. The induced flow has “twin” microvortices (TMV) and “jet” flow between them. Watch the Video |
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Multi-gradient hydrogels produced layer by layer with capillary flow and crosslinking in open microchannels A bench-top method for producing anisotropic hydrogels composed of gradient layers of soluble factors, particles, polymer concentrations or material properties. Watch the Video |
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E.coli XL1-blue concentration The video shows green fluorescent protein expressing E.coli bacteria captured in a microfluidic chip by an electrophoretic force. Watch the Video |
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The Quadrupolar MicroFluidic Probe The video is showing a microfluidic quadrupole (MQ) in open microfluidic system using a four apertures microfluidic probe. Watch the Video |
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Guided assembly of magnetic particles in microfluidic channel The video shows guided and reversible assembly of magnetic micro-particles. Watch the Video |
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Magnetic domain wall-mediated superparamagnetic bead transport A magnetic infrastructure for biomedical and lab-on-a-chip applications is shown. The interaction between magnetic domain walls in sub-micron magnetic tracks and superparamagnetic beads is exploited for single bead manipulation and identification. Watch the Video |
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Mix the Liquid by the Direction of the Textile The video is based on my thesis, which is used for textile applications Microfluidics. Watch the Video |
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Self-running droplets In this video the fascinating self-sustained motion of such droplets on thin liquid films is shown along with an outline of application potential in chemically confined microfluidics. Watch the Video |
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Synchronized Swimming of Magnetic Helical Microrobots Microorganisms propel themselves in fluids using diverse locomotion styles that are very unique in comparison to the swimming styles adopted by human beings. Watch the Video |
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Particle Manipulation Using Bubble Streaming A brief description of the video: Oscillating microbubbles driven by ultrasound induce steady streaming flows around the bubbles. Watch the Video |
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Ring formation in an evaporating colloidal droplet This video shows how a ring is formed at the rim of an evaporating colloidal droplet. The first part of the video (0′0″-2′44″) is taken by microscopy under a section view of a X100 objective lens. The colloidal solution is 1 um SiO2 particles solution (1% SiO2 solution: water = 1: 100, about 2X104 particles per microliter), settling on glass, the volume of the droplet is 0.5 uL. Watch the Video |
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Evolution of water membrane in wet glass beads during evaporation This video shows the evaporation of water between glass beads (about 300 um). Watch the Video |
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Colloid microspheres marching in a tapered capillary tube This video exhibits serial movement configurations of colloid microspheres (~4 um) confined in a tapered capillary tube. Watch the Video |
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ZebrafishChip One step loading, transport and automatic hydrodynamic trapping of Zebrafish embryos on a miniaturized chip-based device. Watch the Video |
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Bead loading and recirculation on a microfluidic ELISA platform A movie shows bead loading to individual ELISA chamber with bead trap valve and pumping of the beads for mixing within the chamber. Watch the Video |
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