Abstract
The byssus secreted by marine mussels have adhesive plaques renowned for their great adhesive characteristics. Dopa contained in the byssal protein can form catechol complexes with exceptional stability in the presence of metal ions such as Fe3+ while mussels take up particulate or soluble iron from seawater. Iron may be the key reagent in protein cross-linking for adhesive synthesis, but the implications for their adhesive strength have not been clarified. The peeling strength of adhesive plaques deposited onto glass surface, which secreted by the mussels exposed in Fe3+ supplemented seawater for 24 hours, has been investigated by peeling apparatus exclusively for the mussel plaques. The peeling test showed that keeping plaques in the high iron seawater altered its tenacity as contrasted with that kept in artificial seawater manipulated its pH same as the other level.
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