Issue 7, 2012
From the journal:

Lab on a Chip

A single-channel microparticle sieve based on Brownian ratchets†

Simon Verleger,*a   Andrej Grimm,b   Christian Kreuter,a   Huei Ming Tan,c   Jeroen A. van Kan,d   Artur Erbe,e   Elke Scheera  and  Johan R. C. van der Maarelb  

* Corresponding authors

a Fachbereich Physik, University Konstanz, D-78457 Konstanz, Germany
E-mail: simon.verleger@uni-konstanz.de

b Department of Physics, Biophysics and Complex Fluids Group, National University of Singapore, 2 Science Drive 3, Singapore 117542

c Engineering Science Programme, National University of Singapore, 9 Engineering Drive 1, Singapore 117576

d Department of Physics, Center for Ion Beam Applications, National University of Singapore, 2 Science Drive 3, Singapore 117542

e Helmholtz-Zentrum Dresden-Rossendorf, FWIO, D-01328 Dresden, Germany

Abstract

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.

Graphical abstract: A single-channel microparticle sieve based on Brownian ratchets

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Article information

DOI
https://doi.org/10.1039/C2LC21089D
Article type
Communication
Submitted
09 Nov 2011
Accepted
06 Feb 2012
First published
17 Feb 2012

Lab Chip, 2012,12, 1238-1241

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A single-channel microparticle sieve based on Brownian ratchets

S. Verleger, A. Grimm, C. Kreuter, H. M. Tan, J. A. van Kan, A. Erbe, E. Scheer and J. R. C. van der Maarel, Lab Chip, 2012, 12, 1238 DOI: 10.1039/C2LC21089D

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