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Microfluidic sub-millisecond mixers for the study of chemical reaction kinetics

Desai, Amish and Bökenkamp, Dirk and Yang, Xing and Tai, Yu-Chong and Marzluff, Elaine and Mayo, Stephen L. (1997) Microfluidic sub-millisecond mixers for the study of chemical reaction kinetics. In: Transducers '97: Digest of Technical Papers. IEEE , Piscataway, NJ, pp. 167-170. ISBN 0-7803-3829-4 http://resolver.caltech.edu/CaltechAUTHORS:20110620-160422991

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Abstract

We present here, a micromachined, high Reynolds number (2,000 - 6,000), sub-millisecond liquid mixer for the study of chemical reaction kinetics. This 1cm x 1cm x 1mm bulk micromachined silicon mixer is capable of initiating and quenching (starting and stopping) chemical reactions in intervals as short as 100 μs. The centimeter sized mixer chip contains two tee mixers connected by one channel which serves as a reaction chamber. Each tee mixer consists of opposing channels where liquids meet head-on and exit into a third channel forming the base of a "T." Our mixer performance was characterized by employing two carefully chosen chemical reactions with reaction time constants of 3 ms and 9 ms along with visualization techniques using dyes and acid-base indicators.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1109/SENSOR.1997.613609 DOIUNSPECIFIED
http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=613609PublisherUNSPECIFIED
Additional Information:© 1997 IEEE. Issue Date: 16-19 Jun 1997. Date of Current Version: 06 August 2002.
Subject Keywords:mixing; chemical reaction; micro-reactors
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INSPEC Accession Number5744639
Record Number:CaltechAUTHORS:20110620-160422991
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20110620-160422991
Official Citation:Desai, A.; Bokenkamp, D.; Xing Yang; Yu-Chong Tai; Marzluff, E.; Mayo, S.; , "Microfluidic sub-millisecond mixers for the study of chemical reaction kinetics," Solid State Sensors and Actuators, 1997. TRANSDUCERS '97 Chicago., 1997 International Conference on , vol.1, no., pp.167-170 vol.1, 16-19 Jun 1997 doi: 10.1109/SENSOR.1997.613609 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=613609&isnumber=13397
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:24075
Collection:CaltechAUTHORS
Deposited By: Marie Ary
Deposited On:04 Oct 2011 14:57
Last Modified:04 Oct 2011 14:57

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