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Antialgal activity of poly(2-(dimethylamino)ethyl methacrylate) (PDMAEMA) brushes against the marine alga Ulva
Linköping University, Faculty of Science & Engineering. Linköping University, Department of Physics, Chemistry and Biology, Molecular Physics.
University of Birmingham, England; Newcastle University, England.
University of Birmingham, England.
University of Birmingham, England.
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2017 (English)In: Biofouling (Print), ISSN 0892-7014, E-ISSN 1029-2454, Vol. 33, no 2, 169-183 p.Article in journal (Refereed) Published
Abstract [en]

Marine biofouling has detrimental effects on the environment and economy, and current antifouling coatings research is aimed at environmentally benign, non-toxic materials. The possibility of using contact-active coatings is explored, by considering the antialgal activity of cationic poly(2-(dimethylamino)ethyl methacrylate) (PDMAEMA) brushes. The antialgal activity was investigated via zoospore settlement and sporeling growth assays of the marine algae Ulva linza and U. lactuca. The assay results for PDMAEMA brushes were compared to those for anionic and neutral surfaces. It was found that only PDMAEMA could disrupt zoospores that come into contact with it, and that it also inhibits the subsequent growth of normally settled spores. Based on the spore membrane properties, and characterization of the PDMAEMA brushes over a wide pH range, it is hypothesized that the algicidal mechanisms are similar to the bactericidal mechanisms of cationic polymers, and that further development could lead to successful contact-active antialgal coatings.

Place, publisher, year, edition, pages
TAYLOR & FRANCIS LTD , 2017. Vol. 33, no 2, 169-183 p.
Keyword [en]
Poly(2-(dimethylamino)ethyl methacrylate); polymer brushes; antialgal; Ulva; spore settlement assay; sporeling growth
National Category
Physical Chemistry
Identifiers
URN: urn:nbn:se:liu:diva-136184DOI: 10.1080/08927014.2017.1281409ISI: 000395114700005PubMedID: 28151007OAI: oai:DiVA.org:liu-136184DiVA: diva2:1086647
Note

Funding Agencies|European Community [237997]; Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoping University [2009-00971]

Available from: 2017-04-03 Created: 2017-04-03 Last updated: 2017-04-21

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The full text will be freely available from 2018-02-02 16:47
Available from 2018-02-02 16:47

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