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Electroosmotic pumps for microflow analysis

Journal

TRAC-TRENDS IN ANALYTICAL CHEMISTRY
Volume 28, Issue 1, Pages 64-74

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2008.09.014

Keywords

Constant flow; Electroosmosis; Electroosmotic flow; Electroosmotic pump; Lab-on-chip; Microanalytical system; Microchip pump; Micropump; Microflow analysis; Pulse-free flow

Funding

  1. US National Institutes of Health [1R21EB008512-01A1]
  2. US National Science Foundation [CHE-0514706]
  3. NATIONAL INSTITUTE OF BIOMEDICAL IMAGING AND BIOENGINEERING [R21EB008512] Funding Source: NIH RePORTER
  4. NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R01GM078592] Funding Source: NIH RePORTER

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With rapid development in microflow analysis, electroosmotic pumps are receiving increasing attention. Compared to other micropumps, electroosmotic pumps have several unique features. For example, they are bi-directional, can generate constant and pulse-free flows with flow rates well suited to microanalytical systems, and can be readily integrated with lab-on-chip devices. The magnitude and the direction of flow of an electroosmotic pump can be changed instantly. In addition, electroosmotic pumps have no moving parts. In this article, we discuss common features, introduce fabrication technologies and highlight applications of electroosmotic pumps. (c) 2008 Elsevier Ltd. All rights reserved.

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