An impedimetric sensor for monitoring the growth of Staplylococcus epidermidis

LM Oliver, PSM Dunlop, JA Byrne, IS Blair, MA Boyle, KG McGuigan, ET McAdams

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

There is a need for accurate, reliable methods of detecting bacteria for a range of applications. One organism that is commonly found in urinary catheter infections is Staphylococcus epidermidis. Current methods to determine the presence of an infection require the removal of catheters. An alternative approach may be the use of in vivo sensing for bacterial/biofilm detection. This work investigates electrical impedance spectroscopy to detect the growth of Staphylococcus epidermidis RP62A on gold electrodes fabricated on a flexible substrate. Impedance spectra measured during biofilm formation on the electrode surface showed an increase in charge transfer resistance (R-CT) with time.
Original languageEnglish
Title of host publicationUnknown Host Publication
Pages4599-4602
Number of pages4
Publication statusPublished - 2006
Event2006 28th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Vols 1-15 -
Duration: 1 Jan 2006 → …

Conference

Conference2006 28th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Vols 1-15
Period1/01/06 → …

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