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Enhanced Microfluidic Electromagnetic Measurements

Author:
Kovacs, Gregory
Published:
October 27, 2015.
Physical Description:
1 electronic document
Additional Creators:
Ricco, Antonio J. and Giovangrandi, Laurent
Online Version

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Summary:
Techniques for enhanced microfluidic impedance spectroscopy include causing a core fluid to flow into a channel between two sheath flows of one or more sheath fluids different from the core fluid. Flow in the channel is laminar. A dielectric constant of a fluid constituting either sheath flow is much less than a dielectric constant of the core fluid. Electrical impedance is measured in the channel between at least a first pair of electrodes. In some embodiments, enhanced optical measurements include causing a core fluid to flow into a channel between two sheath flows of one or more sheath fluids different from the core fluid. An optical index of refraction of a fluid constituting either sheath flow is much less than an optical index of refraction of the core fluid. An optical property is measured in the channel.
Other Subject(s):
Collection:
NASA Technical Reports Server (NTRS) Collection.
Note:
Document ID: 20150020516.
Terms of Use and Reproduction:
No Copyright.
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