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Biomol Eng. 2003 Jul;20(4-6):381-7.

Green mussel Perna viridis L.: attachment behaviour and preparation of antifouling surfaces.

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Faculty of Textile Science and Technology, Institute of High Polymer Research, Shinshu University, Ueda 386-8567, Japan.


The green mussel Perna viridis LINNE can be kept in simulated seawater for more than 6 months in good condition. The mussel forms many threads by secreting an adhesive protein from the foot, and attaches with more than 50 byssal threads, which makes most mussels clump together. In order to investigate the preparation of the antifouling surfaces toward green mussels, the attachment of mussels was tested using glass surfaces modified with silane coupling agents, together with non-treated material surfaces such as glass and silicone. The correlation between the attachment percentage and the mean number of the secreted byssus was highly significant, indicating that the mussel selects a favorable surface prior to the secretion of byssus. The relationships between the mussel attachment and the surface chemical parameters (surface free energy (sfe) and its dispersion and polar components) were examined based on a working hypothesis, which we have previously reported. The result of statistical regression test indicated that a certain correlation was found between the dispersion component and the mussel attachment, while the polar component did not correlate to the mussel attachment. The present surface chemical approach provided an additional clue for the preparation of ecologically clean antifouling materials that takes into account the combination of the wettability of both the marine adhesive proteins (MAP) and the modified surfaces.

[Indexed for MEDLINE]

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