4.7 Article

A single-channel microparticle sieve based on Brownian ratchets

Journal

LAB ON A CHIP
Volume 12, Issue 7, Pages 1238-1241

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2lc21089d

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Funding

  1. Baden-Wurttemberg Stiftung
  2. German Research Foundation (DFG)
  3. Center for Applied Photonics Konstanz

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We present a novel device for the separation of microparticles in a single channel, which is made of inversely asymmetric Brownian ratchets. It enables separation into two different fractions with an adjustable threshold and can be modeled with good agreement. This device serves as proof of concept for an extremely compact class of microsieves.

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