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dc.rights.licenseCC BY-NC-ND. Users may download and share copies with attribution in accordance with a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 License. No commercial use or derivatives are permitted without the explicit approval of the author.
dc.contributorBaveye, P. (Philippe)
dc.contributorKilduff, James
dc.contributorGorby, Yuri
dc.contributor.authorSuperak, Claire M.
dc.date.accessioned2021-11-03T08:06:42Z
dc.date.available2021-11-03T08:06:42Z
dc.date.created2014-04-14T10:31:20Z
dc.date.issued2013-12
dc.identifier.urihttps://hdl.handle.net/20.500.13015/1021
dc.descriptionDecember 2013
dc.descriptionSchool of Engineering
dc.description.abstractBiological clogging "bioclogging" is the occupation of pore space between soil particles by biological material including microorganisms and their associated structures. Substances, both synthesized and naturally occurring, and referred to as quorum sensing inhibitors or quorum quenchers, can be applied to biological systems to manipulate quorum sensing, the phenomenon by which microbes communicate and signal to adjust their growth based on cell density. One such substance that has been observed to inhibit quorum sensing in biofilm formation of <italic>Aeromonas hydrophila</italic> on membranes is the common food additive, vanillin.
dc.description.abstractThe goal of this study was to apply results from reverse osmosis membrane biofilm research to sand columns contained in permeameters. Microbial clogging of pore space in soils was modeled on the laboratory scale using columns designed with piezometers to monitor hydraulic pressure differentials. Operating under saturated conditions with nutrient solution provided in upward flow from Mariotte bottles, four columns (two with Hunter's minimal media and 50mM sucrose and two with, in addition, 0.16 g/L of vanillin) were inoculated with Aeromonas hydrophila ATCC® 7966TM and run in parallel for six days.
dc.description.abstractPiezometer readings were recorded periodically and analyzed for change over time corresponding to microbial activity. Scanning electron microscopy analysis following dismantlement of each column provided insight to where and to what extent microbial growth occurred. Future studies could involve several modifications of the experimental technique to test the impact of different concentrations of vanillin on A. hydrophila growth in porous media.
dc.language.isoENG
dc.publisherRensselaer Polytechnic Institute, Troy, NY
dc.relation.ispartofRensselaer Theses and Dissertations Online Collection
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/us/*
dc.subjectEnvironmental engineering
dc.titleEffect of vanillin on quorum sensing of Aeromonas hydrophila in porous media
dc.typeElectronic thesis
dc.typeThesis
dc.digitool.pid170819
dc.digitool.pid170820
dc.digitool.pid170821
dc.rights.holderThis electronic version is a licensed copy owned by Rensselaer Polytechnic Institute, Troy, NY. Copyright of original work retained by author.
dc.description.degreeMS
dc.relation.departmentDept. of Civil and Environmental Engineering


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CC BY-NC-ND. Users may download and share copies with attribution in accordance with a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 License. No commercial use or derivatives are permitted without the explicit approval of the author.
Except where otherwise noted, this item's license is described as CC BY-NC-ND. Users may download and share copies with attribution in accordance with a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 License. No commercial use or derivatives are permitted without the explicit approval of the author.