Abstract
This chapter presents methods for two-dimensional manipulation of droplets in microchannels. These manipulations allow a wide range of operations to be performed, such as arraying drops in two-dimensions, selecting particular drops from an array, or inducing chemical reactions on demand. The use of the two-dimensional format, by removing the influence of the channel side walls, reduces the interactions between droplets and thus simplifies droplet operations, while making them more robust. Finally, the chapter presents further developments on droplet microfluidics without a mean flow of the outer phase.
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- 1.
We will always consider to be constant in this discussion
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Acknowledgments
The results described here summarize the work of several gifted PhD students and postdocs in my lab. I am particularly grateful to Rémi Dangla, Etienne Fradet, Sungyon Lee, and Paul Abbyad for the bulk of the results shown here. Caroline Frot provided important technical support. Figures 2.2, 2.3, 2.4, and 2.5 were provided by Rémi Dangla. Figure 2.8 was provided by Gabriel Amselem. Figures 2.9, 2.10, 2.11, 2.12, and 2.13 were provided by Etienne Fradet. Some of the research leading to these results has received funding from the European Research Council under the European Union’s Seventh Framework Programme (FP/2007-2013) / ERC Grant Agreement n. 278248 “Multicell”.
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Baroud, C.N. (2014). Droplet Microfluidics in Two-Dimensional Channels. In: Köhler, J., Cahill, B. (eds) Micro-Segmented Flow. Biological and Medical Physics, Biomedical Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-38780-7_2
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