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Proceedings Paper

Dynamic sampling in digital microfluidic devices
Author(s): K. D. Devlin; A. Ahmadi; H. Najjaran; J. F. Holzman; M. Hoorfar
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Paper Abstract

There are critical implementation challenges to consider for new digital microfluidic technologies. In dynamic applications, properties of both the system and the microdroplet are changing in time due to the adsorption of microdroplet species at the solid-liquid and liquid-vapor interfaces. In this paper, these digital microfluidic dynamic challenges are overcome through the introduction of real-time sensing submodules. Dynamic sampling has been added to the actuation mechanisms of the digital microfluidic system, and it is shown that the complete fluid system can be characterized simultaneously by measurements of the microfluidic system capacitance and the microdroplet contact angle.

Paper Details

Date Published: 5 May 2010
PDF: 12 pages
Proc. SPIE 7679, Micro- and Nanotechnology Sensors, Systems, and Applications II, 76790C (5 May 2010); doi: 10.1117/12.852502
Show Author Affiliations
K. D. Devlin, The Univ. of British Columbia (Canada)
A. Ahmadi, The Univ. of British Columbia (Canada)
H. Najjaran, The Univ. of British Columbia (Canada)
J. F. Holzman, The Univ. of British Columbia (Canada)
M. Hoorfar, The Univ. of British Columbia (Canada)


Published in SPIE Proceedings Vol. 7679:
Micro- and Nanotechnology Sensors, Systems, and Applications II
Thomas George; M. Saif Islam; Achyut Kumar Dutta, Editor(s)

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