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A new flow-through bioassay for testing low-emission antifouling coatings

Artikel i vetenskaplig tidskrift
Författare Christian Pansch
Per R. Jonsson
M. Berglin
E. Pinori
A. L. Wrange
Publicerad i Biofouling
Volym 33
Nummer/häfte 8
Sidor 613-623
ISSN 0892-7014
Publiceringsår 2017
Publicerad vid Institutionen för biologi och miljövetenskap, Tjärnö marinbiologiska laboratorium
Sidor 613-623
Språk English
Länkar 10.1080/08927014.2017.1349897
Ämnesord Balanus (Amphibalanus) improvisus, static vs flowthrough, antifouling assay, low-release/emission, balanus-improvisus, adhesion strength, larval settlement, surface-chemistry, natural-products, impact, performance, technology, attachment, minireview
Ämneskategorier Oceanografi, hydrologi, vattenresurser, Geovetenskap och miljövetenskap

Sammanfattning

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 biocidecontaining 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- andpost-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.

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