Staphylococcus Research Today is a free monthly online journal that collates and summarizes the latest research about Staphylococcus, including details on mrsa, hospitals, infection, antibiotic resistance, superbugs.

Dielectric characterization of bacterial cells using dielectrophoresis.

Sanchis A, Brown AP, Sancho M, Martínez G, Sebastián JL, Muñoz S, Miranda JM

Departamento de Física Aplicada III, Facultad de Ciencias Físicas, Universidad Complutense de Madrid, Madrid, Spain.

Measurements of dielectrophoretic collection spectra of Escherichia coli and Staphylococcus aureus suspensions are used for obtaining dielectric characteristics of both types of bacteria. The experiments are interpreted using a numerical method that models the cells as compartmented spherical or rod-like particles. We show the usefulness of this simple method to extract significant information about the electrical properties of Gram-negative and -positive bacteria.

Published 11 June 2007 in Bioelectromagnetics, 28(5): 393-401.
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