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Proceedings Paper

Water analysis in a lab-on-a-chip system
Author(s): Herbert Freimuth; Frithjof von Germar; Ines Frese; Elzbieta Nahrstedt; Michael Küpper; Rainer Schenk; Björn Baser; Johannes Ott; Klaus Drese; Peter Detemple; Theodor Doll
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Paper Abstract

The development of a lab-on-chip system which allows the parallel detection of a variety of different parameters of a water sample is presented. Water analysis typically comprises the determination of around 30 physical and chemical parameters. An even larger number can arise when special contaminations of organic molecules are of interest. A demonstration system has been realised to show the feasibility and performance of an integrated device for the determination of physical quantities like electrical conductivity, light absorption and turbidity. Additionally, chemical quantities like the pH-value and the content of inorganic and organic contaminations are also determined. Two chips of credit card size contain the analytical functions and will be fabricated by injection moulding. First prototypes have been manufactured by milling or precision milling for the optical components.

Paper Details

Date Published: 23 January 2006
PDF: 12 pages
Proc. SPIE 6112, Microfluidics, BioMEMS, and Medical Microsystems IV, 611203 (23 January 2006); doi: 10.1117/12.648003
Show Author Affiliations
Herbert Freimuth, Institut für Mikrotechnik Mainz GmbH (Germany)
Frithjof von Germar, Institut für Mikrotechnik Mainz GmbH (Germany)
Ines Frese, Institut für Mikrotechnik Mainz GmbH (Germany)
Elzbieta Nahrstedt, Institut für Mikrotechnik Mainz GmbH (Germany)
Michael Küpper, Institut für Mikrotechnik Mainz GmbH (Germany)
Rainer Schenk, Institut für Mikrotechnik Mainz GmbH (Germany)
Björn Baser, Institut für Mikrotechnik Mainz GmbH (Germany)
Johannes Ott, Institut für Mikrotechnik Mainz GmbH (Germany)
Klaus Drese, Institut für Mikrotechnik Mainz GmbH (Germany)
Peter Detemple, Institut für Mikrotechnik Mainz GmbH (Germany)
Theodor Doll, Institut für Mikrotechnik Mainz GmbH (Germany)


Published in SPIE Proceedings Vol. 6112:
Microfluidics, BioMEMS, and Medical Microsystems IV
Ian Papautsky; Wanjun Wang, Editor(s)

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