Adhesion of Marine Fouling Organisms on Hydrophilic and Amphiphilic Polysaccharides

Polysaccharides are a promising material for nonfouling surfaces because their chemical composition makes them highly hydrophilic and able to form water-storing hydrogels. Here we investigated the nonfouling properties of hyaluronic acid (HA) and chondroitin sulfate (CS) against marine fouling organ...

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Bibliographic Details
Published in:Langmuir 2013-03, Vol.29 (12), p.4039-4047
Main Authors: Bauer, Stella, Arpa-Sancet, Maria Pilar, Finlay, John A, Callow, Maureen E, Callow, James A, Rosenhahn, Axel
Format: Article
Language:English
Subjects:
Applied sciences
Aquatic Organisms - chemistry
Aquatic Organisms - physiology
Bacterial Adhesion - drug effects
Biofouling - prevention & control
Cell Adhesion - drug effects
Chemistry
Chondroitin Sulfates - chemistry
Chondroitin Sulfates - pharmacology
Diatoms - chemistry
Diatoms - physiology
Ethylamines - chemistry
Exact sciences and technology
General and physical chemistry
Halomonadaceae - chemistry
Halomonadaceae - physiology
Hyaluronic Acid - chemistry
Hyaluronic Acid - pharmacology
Hydrophobic and Hydrophilic Interactions
Natural polymers
Physicochemistry of polymers
Starch and polysaccharides
Surface physical chemistry
Surface Properties
Surface-Active Agents - chemistry
Surface-Active Agents - pharmacology
Ulva - chemistry
Ulva - physiology
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Summary:Polysaccharides are a promising material for nonfouling surfaces because their chemical composition makes them highly hydrophilic and able to form water-storing hydrogels. Here we investigated the nonfouling properties of hyaluronic acid (HA) and chondroitin sulfate (CS) against marine fouling organisms. Additionally, the free carboxyl groups of HA and CS were postmodified with the hydrophobic trifluoroethylamine (TFEA) to block free carboxyl groups and render the surfaces amphiphilic. All coatings were tested with respect to their protein resistance and against settlement and adhesion of different marine fouling species. Both the settlement and adhesion strength of a marine bacterium (Cobetia marina), zoospores of the seaweed Ulva linza, and cells of a diatom (Navicula incerta) were reduced compared to glass control surfaces. In most cases, TFEA capping increased or maintained the performance of the HA coatings, whereas for the very well performing CS coatings the antifouling performance was reduced after capping.
ISSN:0743-7463
1520-5827
DOI:10.1021/la3038022