Issue 6, 2003
From the journal:

Journal of Environmental Monitoring

Water quality test based on dielectrophoretic measurements of fresh water algae Selenastrum capricornutum

Yvonne Hübner,a   Kai F. Hoettgesa  and  Michael P. Hughes*a  

* Corresponding authors

a School of Engineering, University of Surrey, Surrey, Guildford, UK
E-mail: m.hughes@surrey.ac.uk
Fax: +44 1483 689395
Tel: +44 1483 686775

Abstract

A method is described whereby dielectrophoresis of algal cells is used to perform rapid water quality analysis, specifically detecting the presence of CuSO4. The dielectric collection spectrum of the fresh water alga Selenastrum capricornutum was determined for a range of concentrations of CuSO4 from 25 mg L−1 to 0.25 mg L−1 for exposure times of 15 min and 18 h. In all cases increasing the concentration of CuSO4 reduced cell collection, but a step reduction was observed in collection between 2 mg L−1 and 5 mg L−1. This method has potential for forming a rapid, low-cost test for water quality with broad specificity and significantly reduced analysis time compared to current methods.

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Article information

DOI
https://doi.org/10.1039/B309131G
Article type
Paper
Submitted
01 Aug 2003
Accepted
18 Sep 2003
First published
13 Oct 2003

J. Environ. Monit., 2003,5, 861-864

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Water quality test based on dielectrophoretic measurements of fresh water algae Selenastrum capricornutum

Y. Hübner, K. F. Hoettges and M. P. Hughes, J. Environ. Monit., 2003, 5, 861 DOI: 10.1039/B309131G

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