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Lookup NU author(s): Dr Nicholas Aldred, Professor Tony Clare
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Zwitterionic polymers such as poly(sulfobetaine methacrylate) (polySBMA) and poly(carboxybetaine methacrylate) (polyCBMA) have demonstrated impressive fouling-resistance against proteins and mammalian cells. In this paper, the effects of these surface chemistries on the settlement and behavior of an ubiquitous fouling organism, the cypris larva of the barnacle Balanus amphitrite (=Amphibalanus amphitrite), were studied in the laboratory. Conventional settlement assays and behavioral analysis of cyprids using Noldus Ethovision 3.1 demonstrated significant differences in settlement and behavior on different surfaces. Cyprids did not settle on the polySBMA or polyCBMA surfaces over the course of the assay, whereas settlement on glass occurred within expected limits. Individual components of cyprid behavior were shown to differ significantly between glass, polySBMA and polyCBMA. Cyprids also responded differently to the two zwitterionic surfaces. On polySBMA, cyprids were unwilling or unable to settle, whereas on polyCBMA cyprids did not attempt exploration and left the surface quickly. In neither case was toxicity observed. It is concluded that a zwitterionic approach to fouling-resistant surface development has considerable potential in marine applications.
Author(s): Aldred N, Li GZ, Gao Y, Clare AS, Jiang SY
Publication type: Article
Publication status: Published
Journal: Biofouling
Year: 2010
Volume: 26
Issue: 6
Pages: 673-683
Print publication date: 01/08/2010
ISSN (print): 0892-7014
ISSN (electronic): 1029-2454
Publisher: Taylor & Francis Ltd.
URL: http://dx.doi.org/10.1080/08927014.2010.506677
DOI: 10.1080/08927014.2010.506677
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