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Influence of Sharklet-Inspired Micropatterned Polymers on Spatio-Temporal Variations of Marine Biofouling
University de Toulon, France.
University de Toulon, France.
University Lille, France.
RISE Research Institutes of Sweden, Materials and Production, Product Realisation Methodology.ORCID iD: 0000-0002-9377-8924
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2022 (English)In: Macromolecular Bioscience, ISSN 1616-5187, E-ISSN 1616-5195, Vol. 22, no 11, article id 2200304Article in journal (Refereed) Published
Abstract [en]

This article aims to show the influence of surface characteristics (microtopography, chemistry, mechanical properties) and seawater parameters on the settlement of marine micro- and macroorganisms. Polymers with nine microtopographies, three distinct mechanical properties, and wetting characteristics are immersed for one month into two contrasting coastal sites (Toulon and Kristineberg Center) and seasons (Winter and Summer). Influence of microtopography and chemistry on wetting is assessed through static contact angle and captive air bubble measurements over 3-weeks immersion in artificial seawater. Microscopic analysis, quantitative flow cytometry, metabarcoding based on the ribulose biphosphate carboxylase (rbcL) gene amplification, and sequencing are performed to characterize the settled microorganisms. Quantification of macrofoulers is done by evaluating the surface coverage and the type of organism. It is found that for long static in situ immersion, mechanical properties and non-evolutive wettability have no major influence on both abundance and diversity of biofouling assemblages, regardless of the type of organisms. The apparent contradiction with previous results, based on model organisms, may be due to the huge diversity of marine environments, both in terms of taxa and their size. Evolutive wetting properties with wetting switching back and forth over time have shown to strongly reduce the colonization by macrofoulers. © 2022 The Authors. 

Place, publisher, year, edition, pages
John Wiley and Sons Inc , 2022. Vol. 22, no 11, article id 2200304
Keywords [en]
marine biofouling, metabarcoding, microtextured polymers, microtopography, wetting, Biology, Contact angle, Gene expression, Seawater, Coastal sites, Marine microorganism, Micro topography, Micropatterned, Microtextured polymer, Spatio-temporal variation, Surface characteristics, Wetting characteristics, Biofouling, polymer, chemistry, prevention and control, surface property, wettability, Polymers, Surface Properties
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:ri:diva-61201DOI: 10.1002/mabi.202200304Scopus ID: 2-s2.0-85139936889OAI: oai:DiVA.org:ri-61201DiVA, id: diva2:1716712
Note

 Funding details: Aix-Marseille Université, AMU; Funding text 1: E.V. and R.B-M. contributed equally to this work. Authors thank the IFREMER of La Seyne-sur-mer on the south coast of France and the Kristineberg Center for Marine Research and Innovation on the west coast of Sweden for the access to protected field immersion area. Authors thank the PRECYM (Aix-Marseille Université) for the characterization of the procaryote densities. Authors also thank the IEMN (Lille, France) for the access to a clean room and the formation to photolithography. This work was supported by the Région SUD- Provence-Alpes- Côte d'Azur (E. V., Ph.D. grant).; Funding text 2: E.V. and R.B‐M. contributed equally to this work. Authors thank the IFREMER of La Seyne‐sur‐mer on the south coast of France and the Kristineberg Center for Marine Research and Innovation on the west coast of Sweden for the access to protected field immersion area. Authors thank the PRECYM (Aix‐Marseille Université) for the characterization of the procaryote densities. Authors also thank the IEMN (Lille, France) for the access to a clean room and the formation to photolithography. This work was supported by the Région SUD‐ Provence‐Alpes‐ Côte d'Azur (E. V., Ph.D. grant).

Available from: 2022-12-06 Created: 2022-12-06 Last updated: 2023-06-02Bibliographically approved

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Berglin, MattiasStenlund, Patrik

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