Issue 19, 2013
From the journal:

Lab on a Chip

Vapour processed self-rolled poly(dimethylsiloxane) microcapillaries form microfluidic devices with engineered inner surface†

Laura Piedad Chia Gómez,a   Patrick Bollgruen,b   Aleksandr I. Egunov,c   Dario Mager,b   Florent Malloggi,d   Jan G. Korvinkb  and  Valeriy A. Luchnikov*c  

* Corresponding authors

a Universidad Nacional de Colombia Bogota, Carrera 45 No 26-85, Colombia

b Freiburg Institute for Advanced Studies (FRIAS), Albert-Ludwigs-University Freiburg, Albertstraße 19, Freiburg, Germany

c Institut de Science des Matériaux de Mulhouse, CNRS LRC 7361, 15 rue Jean Starcky, 68057 Mulhouse, France
E-mail: valeriy.luchnikov@uha.fr

d LIONS, IRAMIS/SIS2M UMR3299 CEA/CNRS, CEA Saclay, F-91191 Gif-sur-Yvette, France

Abstract

We propose a microfluidics device whose main functional part consists of a microcapillary produced by the self-rolling of a thin poly(dimethylsiloxane) film. Rolling is caused by inhomogeneous swelling of the film, pre-treated by oxygen plasma, in the vapour of chloroform. The capillaries are integrated with external electrical circuits by co-rolling electrodes and micro-resistors. The local control of temperature in the tubes by Joule heating is illustrated via the rate of an intra-tubular chemiluminescent reaction. The novel tubes with engineered inner structure can find numerous advanced applications such as functional elements of integrated microfluidics circuits.

Graphical abstract: Vapour processed self-rolled poly(dimethylsiloxane) microcapillaries form microfluidic devices with engineered inner surface

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Article information

DOI
https://doi.org/10.1039/C3LC50542A
Article type
Technical Innovation
Submitted
01 May 2013
Accepted
10 Jul 2013
First published
11 Jul 2013

Lab Chip, 2013,13, 3827-3831

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Vapour processed self-rolled poly(dimethylsiloxane) microcapillaries form microfluidic devices with engineered inner surface

L. P. Chia Gómez, P. Bollgruen, A. I. Egunov, D. Mager, F. Malloggi, J. G. Korvink and V. A. Luchnikov, Lab Chip, 2013, 13, 3827 DOI: 10.1039/C3LC50542A

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