1020 ムラサキイガイ足糸の機械的性質(G02-2 バイオエンジニアリング(2),G02 バイオエンジニアリング)

概要

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The byssus secreted by marine mussels has renowned for their adhesive and mechanical characteristics. Dopa contained in their byssal protein can form catechol complexes with exceptional stability in the presence of metal ions such as Fe^<3+> 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 byssal mechanical properties have not been known. Therefore, the effect of iron for mechanical properties of byssuses was examined by the tensile test. We have performed the tensile test for byssuses which secreted by the mussels exposed in Fe^<3+> supplemented seawater for 24 hours. The tensile test showed that mechanical properties of byssus kept in the high iron seawater didn't show significant change as contrasted with that kept in artificial seawater manipulated its pH same as the other level.
社団法人日本機械学会の論文
2007-09-07