NDLI: Robust ceramic capillary electrophoresis analysis device

Content Provider	IEEE Xplore Digital Library
Author	Fercher, G. Smetana, W. Vellekoop, M.J.
Copyright Year	2009
Description	Author affiliation: Integrated Microsystems Austria GmbH, 2700 Wr. Neustadt, Austria (Fercher, G.) \|\| Institute of Sensor and Actuator Systems, TU Wien, Austria (Smetana, W.; Vellekoop, M.J.)
Abstract	Two of the main parameters characterizing the performance of an on-chip capillary electrophoresis (CE) separation are peak height and peak resolution. This contribution presents both computational and measurement results of a contactless conductivity detector produced in low temperature co-fired ceramics (LTCC) multilayer technology. Detection electrodes are placed just outside of the channel, avoiding direct contact with the liquid. This increases the robustness and life-time of the device. The higher material permittivity of the ceramics in comparison to glass or polymer substrates enables better coupling of the measurement signal into the microchannel and thus improved detection sensitivities. By using elektrokinetic injection of the samples into the microchannel, the peak resolution is significantly improved as is shown experimentally.
Starting Page	1
Ending Page	4
File Size	1441872
Page Count	4
File Format	PDF
ISBN	9781424442607
DOI	10.1109/ISSE.2009.5207045
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-13
Publisher Place	Czech Republic
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Robustness Ceramics Electrokinetics Permittivity measurement Microchannel Conductivity measurement Detectors Temperature Nonhomogeneous media Electrodes
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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