Passive micromixer with obstructions for lab-on-a-chip applications

Ali Asgar S. Bhagat; Gabriel Dagani; Erik T. K. Peterson; Jin-Hwan Lee; Ian Papautsky

doi:10.1117/12.591766

22 January 2005 Passive micromixer with obstructions for lab-on-a-chip applications

Ali Asgar S. Bhagat, Gabriel Dagani, Erik T. K. Peterson, Jin-Hwan Lee, Ian Papautsky

Proceedings Volume 5718, Microfluidics, BioMEMS, and Medical Microsystems III; (2005) https://doi.org/10.1117/12.591766
Event: MOEMS-MEMS Micro and Nanofabrication, 2005, San Jose, California, United States

Abstract

A new passive micromixer has been developed with a low dependence on Reynolds number. The mixer design contains obstructions inside the mixing microchannels to breakup the flow resulting in chaotic mixing. Using CFDRC ACE+ software the mixer was modeled and was shown to completely mix water and glycerin in less than 1 cm. The micromixer was fabricated in cyclic olefin copolymer (COC) using hot embossing with polydimethylsiloxane (PDMS) tools and evaluated using epifluorescence microcopy.

Citation Download Citation

Ali Asgar S. Bhagat, Gabriel Dagani, Erik T. K. Peterson, Jin-Hwan Lee, and Ian Papautsky "Passive micromixer with obstructions for lab-on-a-chip applications", Proc. SPIE 5718, Microfluidics, BioMEMS, and Medical Microsystems III, (22 January 2005); https://doi.org/10.1117/12.591766

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