Abstract
Pressure-driven flows over grooved surfaces are shown to develop transverse components. This induces helical recirculation in channels or capillaries with grooved walls, and more generally permits the design of 3D flows with simple patterns of grooved regions. This strategy is easy to implement with standard methods of microfabrication, and permits for example the realization of a low Reynolds number chaotic mixer.
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References
A.D. Stroock, S.K. Dertinger, G.M. Whitesides, A. Ajdari, Patterning flows using grooved surfaces, submitted to Anal. Chem. in April 2002.
J. C. McDonald et al., Fabrication of microfluidic systems in poly(dimethylsiloxane), Electrophoresis, 1, 27–40 (2000).
A.D. Stroock, S.K. Dertinger, A. Ajdari, I. Mezic, H.A. Stone, G.M. Whitesides, Chaotic Mixer for Microchannels, Science, 295, 647–651 (2002).
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© 2002 Springer Science+Business Media Dordrecht
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Ajdari, A., Stroock, A.D., Dertinger, S.K., Whitesides, G.M. (2002). Patterning Flows Using Grooved Surfaces: Application to Microfluidics. In: Baba, Y., Shoji, S., van den Berg, A. (eds) Micro Total Analysis Systems 2002. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0504-3_6
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DOI: https://doi.org/10.1007/978-94-010-0504-3_6
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