Issue 20, 2010
From the journal:

Lab on a Chip

Passive self-synchronized two-droplet generation†

Jongin Hong,‡ab   Minsuk Choi,c   Joshua B. Edel*ab  and  Andrew J. deMello*a  

* Corresponding authors

a Department of Chemistry, Imperial College London, South Kensington, London, UK
E-mail: a.demello@imperial.ac.uk

b Institute of Biomedical Engineering, Imperial College London, South Kensington, London, UK
E-mail: joshua.edel@imperial.ac.uk

c Department of Mechanical Engineering, Imperial College London, South Kensington, London, UK

Abstract

We describe the use of two passive components to achieve controllable and alternating droplet generation in a microfluidic device. The approach overcomes the problems associated with irregularities in channel dimensions and fluid flow rates, and allows precise pairing of alternating droplets in a high-throughput manner. We study droplet generation and self-synchronization in a quantitative fashion by using high-speed image analysis.

Graphical abstract: Passive self-synchronized two-droplet generation

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Article information

DOI
https://doi.org/10.1039/C005136E
Article type
Paper
Submitted
16 Apr 2010
Accepted
21 Jun 2010
First published
18 Aug 2010

Lab Chip, 2010,10, 2702-2709

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Passive self-synchronized two-droplet generation

J. Hong, M. Choi, J. B. Edel and A. J. deMello, Lab Chip, 2010, 10, 2702 DOI: 10.1039/C005136E

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