1887

Abstract

The effective electrical conductivity values for a variety of Gram-negative and positive bacteria have been determined in the frequency range 10 kHz to 100 kHz. This information enabled experimental conditions to be selected where micro-organisms of different species can be separated using dielectrophoresis - the movement of particles induced by non-uniform AC electric fields. Mixtures of micro-organisms of different species were separated locally on a microscope slide using micro-electrodes of polynomial geometry, and their physical isolation into two separate suspensions was accomplished using a dielectrophoresis chamber that incorporated interdigitated, castellated micro-electrodes.

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/content/journal/micro/10.1099/00221287-140-3-585
1994-03-01
2019-11-12
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http://instance.metastore.ingenta.com/content/journal/micro/10.1099/00221287-140-3-585
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