Biofilm recruitment under nanofiltration conditions: the influence of resident biofilm structural parameters on planktonic cell invasion

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Title: Biofilm recruitment under nanofiltration conditions: the influence of resident biofilm structural parameters on planktonic cell invasion
Authors: Habimana, Olivier
Casey, Eoin
Permanent link: http://hdl.handle.net/10197/9816
Date: 1-Dec-2017
Online since: 2019-04-04T10:04:55Z
Abstract: It is now generally accepted that biofouling is inevitable in pressure-driven membrane processes for water purification. A large number of published articles describe the development of novel membranes in an effort to address biofouling in such systems. It is reasonable to assume that such membranes, even those with antimicrobial properties, when applied in industrial-scale systems will experience some degree of biofouling. In such a scenario, an understanding of the fate of planktonic cells, such as those entering with the feed water, has important implications with respect to contact killing particularly for membranes with antimicrobial properties. This study thus sought to investigate the fate of planktonic cells in a model nanofiltration biofouling system. Here, the interaction between auto-fluorescent Pseudomonas putida planktonic cells and 7-day-old Pseudomonas fluorescens resident biofilms was studied under permeate flux conditions in a nanofiltration cross flow system. We demonstrate that biofilm cell recruitment during nanofiltration is affected by distinctive biofilm structural parameters such as biofilm depth.
Funding Details: European Commission - Seventh Framework Programme (FP7)
Type of material: Journal Article
Publisher: Wiley
Journal: Microbial Biotechnology
Volume: 11
Issue: 1
Start page: 264
End page: 267
Copyright (published version): 2017 the Authors
Keywords: BiofilmBiofoulingPlanktonic cellsNanofiltration
DOI: 10.1111/1751-7915.12881
Language: en
Status of Item: Peer reviewed
Appears in Collections:Chemical and Bioprocess Engineering Research Collection

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