Impedimetric characterization of the changes produced in the electrode-solution interface by bacterial attachment

Xavier Muñoz-Berbel; Núria Vigués; Jordi Mas; A. Toby A. Jenkins; Francisco J. Muñoz

doi:https://doi.org/10.1016/j.elecom.2007.08.011

Impedimetric characterization of the changes produced in the electrode-solution interface by bacterial attachment

Xavier Muñoz-Berbel, Núria Vigués, Jordi Mas, A. Toby A. Jenkins, Francisco J. Muñoz

Department of Genetics and Microbiology

Research output: Contribution to journal › Article › Research › peer-review

26 Citations (Scopus)

Abstract

This paper describes a new method for measuring the attachment of bacteria, specifically Escherichia coli on platinum electrodes using impedance spectroscopy. Impedance spectroscopy measurements showed that the double layer capacitance of the electrode was very sensitive both to the concentration of bacteria in the solution and to the attachment time. Impedance measurements of E. coli were compared with classical measurements of bacterial attachment on identical electrodes such as staining/microscopy and bacterial removal by sonication and plating onto agar. The relationship between the measured impedance of the electrode during attachment and the biophysical processes involved is discussed. © 2007 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	2654-2660
Journal	Electrochemistry Communications
Volume	9
DOIs	https://doi.org/10.1016/j.elecom.2007.08.011
Publication status	Published - 1 Nov 2007

Keywords

Bacterial attachment
Bacterial quantification
Fluorescence microscopy
Impedance spectroscopy
Platinum chips

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Muñoz-Berbel, X., Vigués, N., Mas, J., Jenkins, A. T. A., & Muñoz, F. J. (2007). Impedimetric characterization of the changes produced in the electrode-solution interface by bacterial attachment. Electrochemistry Communications, 9, 2654-2660. https://doi.org/10.1016/j.elecom.2007.08.011

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AU - Vigués, Núria

AU - Mas, Jordi

AU - Jenkins, A. Toby A.

AU - Muñoz, Francisco J.

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KW - Bacterial attachment

KW - Bacterial quantification

KW - Fluorescence microscopy

KW - Impedance spectroscopy

KW - Platinum chips

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JO - Electrochemistry Communications

JF - Electrochemistry Communications

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