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Interfacial Tension-Mediated Droplet Fusion in Rectangular Microchannels
- Issue Date
- Sep-2009
- Publisher
- KOREAN BIOCHIP SOCIETY-KBCS
- Keywords
- Droplet-based microfluidics; Droplet fusion; Interfacial tension; Polydimethylsiloxane (PDMS); Ferrofluid
- Citation
- BIOCHIP JOURNAL, v.3, no.3, pp 203 - 207
- Pages
- 5
- Journal Title
- BIOCHIP JOURNAL
- Volume
- 3
- Number
- 3
- Start Page
- 203
- End Page
- 207
- ISSN
- 1976-0280
2092-7843
- Abstract
- We successfully demonstrate the merging of aqueous droplets within a microfluidic channel mediated by a difference in interfacial tension. Interfacial tension is shown to have a significant influence on the hydrodynamic forces associated with a segmented flow in a rectangular microchannel and results in the possibility of merging multiple droplets in a simple fashion. This facility is important in allowing droplet-based microfluidic systems to be used as synthetic tools in complex reaction processing.
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