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A new flow-through bioassay for testing low-emission antifouling coatings
GEOMAR Helmholtz Centre for Ocean Research Kiel, Germany.; University of Gothenburg, Sweden..
University of Gothenburg, Sweden.
RISE - Research Institutes of Sweden, Bioscience and Materials, Chemistry, Materials and Surfaces.
RISE - Research Institutes of Sweden, Bioscience and Materials, Chemistry, Materials and Surfaces.
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2017 (English)In: Biofouling (Print), ISSN 0892-7014, E-ISSN 1029-2454, Vol. 33, no 8, 613-623 p.Article in journal (Refereed) Published
Abstract [en]

Current antifouling (AF) technologies are based on the continuous release of biocides into the water, and consequently discharge into the environment. Major efforts to develop more environmentally friendly coatings require efficient testing in laboratory assays, followed by field studies. Barnacles are important fouling organisms worldwide, increasing hydrodynamic drag on ships and damaging coatings on underwater surfaces, and thus are extensively used as models in AF research, mostly in static, laboratory-based systems. Reliable flow-through test assays for the screening of biocide-containing AF paints, however, are rare. Herein, a flow-through bioassay was developed to screen for diverse low-release biocide paints, and to evaluate their effects on pre- and post-settlement traits in barnacles. The assay distinguishes between the effects from direct surface contact and bulk-water effects, which are crucial when developing low-emission AF coatings. This flow-through bioassay adds a new tool for rapid laboratory-based first-stage screening of candidate compounds and novel AF formulations.

Place, publisher, year, edition, pages
2017. Vol. 33, no 8, 613-623 p.
Keyword [en]
abamectin, antifouling assay, Balanus (Amphibalanus) improvisus, copper, low-release/emission coatings, static vs flow-through
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-30820DOI: 10.1080/08927014.2017.1349897Scopus ID: 2-s2.0-85027128607OAI: oai:DiVA.org:ri-30820DiVA: diva2:1138630
Available from: 2017-09-06 Created: 2017-09-06 Last updated: 2017-09-06Bibliographically approved

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