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Issue 23, 2011
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Simple and cheap microfluidic devices for the preparation of monodisperse emulsions

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Abstract

Droplet microfluidics, which can generate monodisperse droplets or bubbles in unlimited numbers, at high speed and with complex structures, have been extensively investigated in chemical and biological fields. However, most current methods for fabricating microfluidic devices, such as glass etching, soft lithography in polydimethylsiloxane (PDMS) or assembly of glass capillaries, are usually either expensive or complicated. Here we report the fabrication of simple and cheap microfluidic devices based on patterned coverslips and microscope glass slides. The advantages of our approach for fabricating microfluidic devices lie in a simple process, inexpensive processing equipment and economical laboratory supplies. The fabricated microfluidic devices feature a flexible design of microchannels, easy spatial patterning of surface wettability, and good chemical compatibility and optical properties. We demonstrate their utilities for generation of monodisperse single and double emulsions with highly controllable flexibility.

Graphical abstract: Simple and cheap microfluidic devices for the preparation of monodisperse emulsions

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Publication details

The article was received on 13 Jul 2011, accepted on 20 Sep 2011 and first published on 25 Oct 2011


Article type: Paper
DOI: 10.1039/C1LC20629J
Citation: Lab Chip, 2011,11, 3963-3969
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    Simple and cheap microfluidic devices for the preparation of monodisperse emulsions

    N. Deng, Z. Meng, R. Xie, X. Ju, C. Mou, W. Wang and L. Chu, Lab Chip, 2011, 11, 3963
    DOI: 10.1039/C1LC20629J

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