Thermally mediated breakup of drops in microchannels

Teck Hui Ting; Yit Fatt Yap; Nam Trung Nguyen; Teck Neng Wong; John Chee Kiong Chai; Levent Yobas

doi:10.1063/1.2400200

Thermally mediated breakup of drops in microchannels

Teck Hui Ting, Yit Fatt Yap, Nam Trung Nguyen, Teck Neng Wong, John Chee Kiong Chai, Levent Yobas

Research output: Contribution to journal › Article › peer-review

96 Citations (Scopus)

Abstract

The authors used thermally induced surface tension gradients to manipulate aqueous droplets in microchannels. Control of the droplet breakup process was demonstrated. Droplet sorting can be achieved with temperatures above a critical value. Numerical simulation using a two-dimensional model agrees qualitatively well with the experimental results. The used control temperature of less than 55 °C shows that this active control concept is suitable for biochemical applications. Thermal control promises to be a simple and effective manipulation method for droplet-based lab on a chip.

Original language	English
Article number	234101
Journal	Applied Physics Letters
Volume	89
Issue number	23
DOIs	https://doi.org/10.1063/1.2400200
Publication status	Published - 2006
Externally published	Yes

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10.1063/1.2400200

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AU - Yap, Yit Fatt

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AU - Wong, Teck Neng

AU - Chai, John Chee Kiong

AU - Yobas, Levent

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Thermally mediated breakup of drops in microchannels

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