Study of engineering science and design of bio-inspired transport phenomena

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The aim of this study is to show a possibility of an active transport process that is inspired from biological systems. Regarding the vesicle motion, translation of vesicles composed of didodecyldimethylammoniumchloride (DDAB) and sodium oleate was realized. Moreover, we showed that a rhythmic shape change under a pH gradient occurs for a vesicle composed of sodium oleate without DDAB. Moreover, the motion of aggregates of Pt-particles in H2O2-containing aqueous solution was studied. We found a quantitative relationship between the dynamical mode of aggregate motion and a geometrical characteristic of an aggregate. Finally, for an ion-selective instability of oil/water interface, we found that the instability is triggered by local compression in the interface, that occurs by interfacial flow itself.