Rapid detection of biofilm on corroded copper pipes
Rapid detection of biofilm on corroded copper pipes
Episcopic differential interference contrast (DIC) with UV fluorescence microscopy has been incorporated into a conventional light microscope to view the surface topography of microorganisms, biofilms and opaque substrata surfaces without artefacts. This technique avoids the generation of artefacts produced through preparation for scanning electron microscopy (mainly dehydration) and has been used to investigate microbially influenced corrosion (MIC) in copper and polypropylene pipes from a potable water installation. The copper and polypropylene material examined were obtained from a county hospital in Germany, as well as from test rigs installed in the hospital and in the laboratory where the corrosion process was simulated. Microorganisms such as diatoms and bacteria, were rapidly and reliably detected on and in biofilms on pipe surfaces. The observed biofilm possessed a structure that was neither homogeneous nor confluent over the surface and which ressembled a heterogeneous mosaic of microcolonies.
biofilms, copper corrosion, corrosion, differential interference contrast microscopy, fluorescence microscopy, plumbing tube
55-63
Walker, J. T.
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Wagner, D.
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Fischer, W.
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Keevil, C. W.
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1 April 1994
Walker, J. T.
2bb5ed4e-d929-47e4-97ba-70641716acd7
Wagner, D.
5c1a36ac-7706-41d5-9719-c23bc3798888
Fischer, W.
a2ba9f98-f049-4b5e-95a1-8cf82b8cde4c
Keevil, C. W.
cb7de0a7-ce33-4cfa-af52-07f99e5650eb
Walker, J. T., Wagner, D., Fischer, W. and Keevil, C. W.
(1994)
Rapid detection of biofilm on corroded copper pipes.
Biofouling, 8 (1), .
(doi:10.1080/08927019409378260).
Abstract
Episcopic differential interference contrast (DIC) with UV fluorescence microscopy has been incorporated into a conventional light microscope to view the surface topography of microorganisms, biofilms and opaque substrata surfaces without artefacts. This technique avoids the generation of artefacts produced through preparation for scanning electron microscopy (mainly dehydration) and has been used to investigate microbially influenced corrosion (MIC) in copper and polypropylene pipes from a potable water installation. The copper and polypropylene material examined were obtained from a county hospital in Germany, as well as from test rigs installed in the hospital and in the laboratory where the corrosion process was simulated. Microorganisms such as diatoms and bacteria, were rapidly and reliably detected on and in biofilms on pipe surfaces. The observed biofilm possessed a structure that was neither homogeneous nor confluent over the surface and which ressembled a heterogeneous mosaic of microcolonies.
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Accepted/In Press date: 21 September 1993
Published date: 1 April 1994
Keywords:
biofilms, copper corrosion, corrosion, differential interference contrast microscopy, fluorescence microscopy, plumbing tube
Identifiers
Local EPrints ID: 431334
URI: http://eprints.soton.ac.uk/id/eprint/431334
ISSN: 0892-7014
PURE UUID: ae746b78-5ae5-4155-b3a2-c07d5e1239e9
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Date deposited: 29 May 2019 16:30
Last modified: 16 Mar 2024 03:24
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Author:
J. T. Walker
Author:
D. Wagner
Author:
W. Fischer
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