| AVS 66th International Symposium & Exhibition | |
| Biomaterial Interfaces Division | Wednesday Sessions |
| Session BI+AS-WeM |
| Session: | Microbes and Fouling at Surfaces |
| Presenter: | Axel Rosenhahn, Ruhr-University Bochum, Germany |
| Authors: | A. Rosenhahn, Ruhr-University Bochum, Germany V. Jakobi, Ruhr-University Bochum, Germany X. Cao, Ruhr-University Bochum, Germany W. Yu, Ruhr-University Bochum, Germany T. Gnanasampanthan, Ruhr-University Bochum, Germany R. Wanka, Ruhr-University Bochum, Germany J. Schwarze, Ruhr-University Bochum, Germany J. Koc, Ruhr-University Bochum, Germany M. Grunze, Heidelberg University, Germany J.A. Finlay, Newcastle University, UK A.S. Clare, Newcastle University, UK K.Z. Hunsucker, Florida Institute of Technology G.E. Swain, Florida Institute of Technology |
| Correspondent: | Click to Email |
Hydrophilic building blocks like polyethylene glycols are powerful ingredients in modern fouling-release coatings as they are capable to reduce the attractive hydrophobic interactions of microbes with hydrophobic matrix materials such as acrylates, silicones or polyurethanes. We explored how polysaccharides with known antiadhesive and anti-inflammatory properties in medical applications reduce the adhesion of marine fouling organisms. Among the advantages of polysaccharides is their availability, biocompatibility and degradability. Based on previous work on hydrophilic coatings [1] we focused on well hydrated hyaluronans, alginates, chitosans and chondroitin sulfate building blocks. The response of marine organisms and the ability of such components to reduce attachment and facilitate easy removal is explored on grafted monolayers of polysaccharides [2], their amphiphilic derivatives [3], and in more complex coatings such as polysaccharide containing polyelectrolyte multilayers and hybrid polymers. Lab and field experiments will be compared and discussed in the light of the previous notion that uptake of soil particles frequently challenge hydrophilic polymers when used in the real ocean environment [4].
[1] A. Rosenhahn, S. Schilp, J. Kreuzer, M. Grunze, PCCP 2010, 12, 4275
[2] X. Y. Cao, M. E. Pettit, S. L. Conlan, W. Wagner, A. D. Ho, A. S. Clare, J. A. Callow, M. E. Callow, M. Grunze, A. Rosenhahn, Biomacromol. 2009, 10, 907-915.
[3]V. Jakobi, J. Schwarze, J. A. Finlay, K. A. Nolte, S. Spöllmann, H.-W. Becker, A. S. Clare, A. Rosenhahn, Biomacromol. 2018,19, 402-408.
[4] J. Koc, T. Simovich, E. Schönemann, A. Chilkoti, H. Gardner, G.W. Swain, K. Hunsucker, A. Laschewsky, A. Rosenhahn, Biofouling 2019, DOI:10.1080/08927014.2019.1611790