Non-contact monitoring of biofilms and corrosion on submerged surfaces with electrochemical impedance spectroscopy
Abstract
Systems and methods for monitoring microorganisms on a surface are provided. In particular, a flat, patterned sensing electrode can be positioned proximate a surface in non-contact relationship with the surface. The sensing electrode can include a working electrode and a counter electrode. The surface and the sensing electrode can be submerged in an aqueous medium. An alternating current signal can be applied at the working electrode. The signal can propagate through the aqueous medium and can be measured at the counter electrode. The presence of microorganisms on the surface can cause changes in the signal as the signal propagates through the aqueous medium. Such changes in the signal can be used to determine impedance parameters, which can correspond to microbial characteristics associated with the surface. For instance, the microbial characteristics can be associated with a biofilm, corrosion and/or bio-corrosion on the surface.
- Inventors:
- Issue Date:
- Research Org.:
- Savannah River Site (SRS), Aiken, SC (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1568080
- Patent Number(s):
- 10234376
- Application Number:
- 14/710,175
- Assignee:
- Savannah River Nuclear Solutions, LLC (Aiken, SC)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C12 - BIOCHEMISTRY C12Q - MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- DOE Contract Number:
- AC09-08SR22470
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 05/12/2015
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Turick, Charles E., Milliken, Charles E., Colon-Mercado, Hector, and Greenway, Scott D. Non-contact monitoring of biofilms and corrosion on submerged surfaces with electrochemical impedance spectroscopy. United States: N. p., 2019.
Web.
Turick, Charles E., Milliken, Charles E., Colon-Mercado, Hector, & Greenway, Scott D. Non-contact monitoring of biofilms and corrosion on submerged surfaces with electrochemical impedance spectroscopy. United States.
Turick, Charles E., Milliken, Charles E., Colon-Mercado, Hector, and Greenway, Scott D. Tue .
"Non-contact monitoring of biofilms and corrosion on submerged surfaces with electrochemical impedance spectroscopy". United States. https://www.osti.gov/servlets/purl/1568080.
@article{osti_1568080,
title = {Non-contact monitoring of biofilms and corrosion on submerged surfaces with electrochemical impedance spectroscopy},
author = {Turick, Charles E. and Milliken, Charles E. and Colon-Mercado, Hector and Greenway, Scott D.},
abstractNote = {Systems and methods for monitoring microorganisms on a surface are provided. In particular, a flat, patterned sensing electrode can be positioned proximate a surface in non-contact relationship with the surface. The sensing electrode can include a working electrode and a counter electrode. The surface and the sensing electrode can be submerged in an aqueous medium. An alternating current signal can be applied at the working electrode. The signal can propagate through the aqueous medium and can be measured at the counter electrode. The presence of microorganisms on the surface can cause changes in the signal as the signal propagates through the aqueous medium. Such changes in the signal can be used to determine impedance parameters, which can correspond to microbial characteristics associated with the surface. For instance, the microbial characteristics can be associated with a biofilm, corrosion and/or bio-corrosion on the surface.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Mar 19 00:00:00 EDT 2019},
month = {Tue Mar 19 00:00:00 EDT 2019}
}
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