Poly(ethylene glycol)-Containing Hydrogel Surfaces for Antifouling Applications in Marine and Freshwater Environments

被引：238

作者：

Ekblad, Tobias ^{[1
]}

Bergstroem, Gunnar ^{[1
]}

Ederth, Thomas ^{[1
]}

Conlan, Sheelagh L. ^{[2
]}

Mutton, Robert ^{[2
]}

Clare, Anthony S. ^{[2
]}

Wang, Su ^{[3
]}

Liu, Yunli ^{[3
]}

Zhao, Qi ^{[3
]}

D'Souza, Fraddry ^{[4
]}

Donnelly, Glen T. ^{[4
]}

Willemsen, Peter R. ^{[4
]}

Pettitt, Michala E. ^{[5
]}

Callow, Maureen E. ^{[5
]}

Callow, James A. ^{[5
]}

Liedberg, Bo ^{[1
]}

机构：

[1] Linkoping Univ, Dept Phys Chem & Biol, Div Mol Phys, SE-58183 Linkoping, Sweden

[2] Univ Newcastle, Sch Marine Sci & Technol, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England

[3] Univ Dundee, Div Mech Engn, Dundee DD1 4HN, Scotland

[4] TNO Sci & Ind, Bevesierweg MML Harssens, Den Helder, Netherlands

[5] Univ Birmingham, Sch Biosci, Birmingham B15 2TT, W Midlands, England

来源：

BIOMACROMOLECULES | 2008年 / 9卷 / 10期

关键词：

D O I：

10.1021/bm800547m

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

This work describes the fabrication, characterization, and biological evaluation of a thin protein-resistant poly(ethylene glycol) (PEG)-based hydrogel coating for antifouling applications. The coating was fabricated by free-radical polymerization on silanized glass and silicon and on polystyrene-covered silicon and gold. The physicochemical properties of the coating were characterized by infrared spectroscopy, ellipsometry, and contact angle measurements. In particular, the chemical stability of the coating in artificial seawater was evaluated over a six-month period. These measurements indicated that the degradation process was slow under the test conditions chosen, with the coating thickness and composition changing only marginally over the period. The settlement behavior of a broad and diverse group of marine and freshwater fouling organisms was evaluated. The tested organisms were barnacle larvae (Balanus amphitrite), algal zoospores (Ulva linza), diatoms (Navicula perminuta), and three bacteria species (Cobetia marina, Marinobacter hydrocarbonoclasticus, and Pseudomonas fluorescens). The biological results showed that the hydrogel coating exhibited excellent antifouling properties with respect to settlement and removal.

引用

页码：2775 / 2783

页数：9

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