| 초록 |
Mussel adhesion is a very interesting subject due to their fascinating ability of mussels to adhere underwater. Mussel foot proteins(Mfps) contain a particular catecholic amino acid, 3,4-Dihydroxyphenylalanine(DOPA), capable of strong adhesion strength even wet condition. Complex coacervate is a liquid-liquid phase separation that occurs in a colloidal system. The complex coacervate may play a role in the formation of the adhesive. In this study, complex coacervate was induced by blending with DOPA derivatives, PEO-PPO-PEO triblock copolymers and various type of cations such as ca2+, mg2+, Fe3+ and V5+. The effect of cation-π interaction on adhesion was evaluated. Also, a hydrogel based on DOPA derivatives had attempted to develop for application in biomedical field. We suggest that a cation-π interaction is possible driving forces to strong adhesion even wet condition. |
