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Electrophoretic Mobility and Hydrophobicity As a Measured to Predict the Initial Steps of Bacterial Adhesion

Overview
Journal Appl Environ Microbiol
Specialties Environmental Health
Microbiology
Date 1987 Aug 1
PMID 3662520
Citations 99
Authors
M C van Loosdrecht
J Lyklema
W Norde
G Schraa
A J Zehnder
Affiliations
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Abstract

The relationship between physiochemical surface parameters and adhesion of bacterial cells to negatively charged polystyrene was studied. Cell surface hydrophobicity and electrokinetic potential were determined by contact angle measurement and electrophoresis, respectively. Both parameters influence cell adhesion. The effect of the electrokinetic potential increases with decreasing hydrophobicity. Cell surface characteristics determining adhesion are influenced by growth conditions. At high growth rates, bacterial cells tend to become more hydrophobic. This fact can be of ecological significance for controlling the spread of bacteria throughout the environment.

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