Air stream-mediated vortex agitation of microlitre entities on a fluidic chip |
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Authors: | Geissler Matthias Voisin Benoît Veres Teodor |
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Affiliation: | National Research Council of Canada, Industrial Materials Institute, 75 de Mortagne Boulevard, Boucherville, QC J4B 6Y4, Canada. matthias.geissler@cnrc-nrc.gc.ca |
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Abstract: | The method presented in this paper uses air flux to induce spiral motion in small-scale (e.g., microlitre) fluid entities in an efficient, technologically convenient manner. The set-up entails a manifold that modulates the air flux and projects it onto a liquid-containing reservoir. The flow behaviour of the liquid phase has been visualized through the dissolution of rhodamine B crystallites and the motion of fluorescent microbeads. In addition, the method proved effective to restoring a suspension of spherical particles upon sedimentation, promoting displacement and capture of the beads within a microfluidic system. |
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