Title:
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Nematic Colloidal Swarms Assembled and Transported on Photosensitive Surfaces
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Author:
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Hernàndez-Navarro, Sergi; Tierno, Pietro; Ignés i Mullol, Jordi; Sagués i Mestre, Francesc
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Other authors:
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Universitat de Barcelona |
Abstract:
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We demonstrate a novel method to assemble and transport swarms of colloidal particles by combining liquid crystals enabled electrophoresis and photo-sensitive surface patterning. Colloidal particles are propelled in a nematic liquid crystal via application of an alternating current electric field. Swarms of particles are assembled into a rotating mill cluster, or moved as a whole along predefined paths photo-imprinted on chemically functionalized substrates. This technique represents an alternative approach to fluid based lab-on-a-chip technologies guiding the motion of large ensembles of micrometer scale solid or liquid inclusions. |
Subject(s):
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-Col·loides -Cristalls líquids -Microfluídica -Colloids -Liquid crystals -Microfluidics |
Rights:
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(c) IEEE, 2015
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Document type:
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Article Article - Accepted version |
Published by:
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IEEE
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