Issue 4, 2002
From the journal:

Lab on a Chip

Evaporation driven pumping for chromatography application

Nils Goedecke,a   Jan Eijkela  and  Andreas Manza  

a Department of Chemistry, Imperial College of Science, Technology and Medicine, London, UK

Abstract

A continuous transport process for liquids in micro-channels is reported. Flow was generated by evaporation at the channel end plus capillary forces. The micro-channels integrated into a two-glass-layer device were 110 μm wide, 28 μm deep and 4 or 10 cm long. A continuous liquid transport velocity of up to 2.25 mm s−1 was observed for aqueous solutions. The flow velocity is shown to increase when an air stream is guided over the evaporation zone.

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Article information

DOI
https://doi.org/10.1039/B208031C
Article type
Paper
Submitted
15 Aug 2002
Accepted
23 Sep 2002
First published
08 Oct 2002

Lab Chip, 2002,2, 219-223

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Evaporation driven pumping for chromatography application

N. Goedecke, J. Eijkel and A. Manz, Lab Chip, 2002, 2, 219 DOI: 10.1039/B208031C

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