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Lookup NU author(s): Dr Kirsten Wolff,
Dr Jeremy Thomason
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A number of factors affect the adhesion strength of organisms to fouling-release coatings, and except for a few studies focussing on black or white surfaces none have dealt specifically with the effect of coating colour. The aim was to test the effect of colour on the adhesion strength of the barnacle Elminius modestus. Panels coated in six commercial colours of Intersleek 700 (R) were submerged at two field sites and barnacles were pushed-off using a standard assay procedure. The strength of adhesion (SOA) varied between and within sites for colour and by barnacle basal area, SOA per unit area being higher for smaller barnacles. Higher SOA with a small basal area may be because of size-specific predation, differential hydrodynamic effects or adhesive failure with age. The complex effect of colour on barnacle adhesion may be because of physico-chemical surface characteristics varying with pigments, and their interactions with local environmental conditions, as well as interactions with the settling barnacle larvae.
Author(s): Robson MA, Williams D, Wolff K, Thomason JC
Publication type: Article
Publication status: Published
ISSN (print): 0892-7014
ISSN (electronic): 1029-2454
Publisher: Taylor & Francis Ltd.
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