關鍵字查詢 | 類別:期刊論文 | | 關鍵字:Diffusiophoresis of a Charged Toroidal Polyelectrolyte

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1 104/2 數學系 曾琇瑱 教授 期刊論文 發佈 Diffusiophoresis of a Charged Toroidal Polyelectrolyte , [104-2] :Diffusiophoresis of a Charged Toroidal Polyelectrolyte期刊論文Diffusiophoresis of a Charged Toroidal PolyelectrolyteTseng, Shiojenn.; Y. R. Hsu; J. P. HsuJournal of Colloid and Interface Science 471, pp.14-19Considering recent application of concentration driven motion of charged nanoparticles in sensing technology, we model the diffusiophoresis of an isolated toroidal polyelectrolyte (PE) for the first time. Choosing an aqueous KCl solution for illustration, its behavior under various conditions is simulated by varying the double layer thickness, the size of toroid, and its softness and fixed charge density. We show that the behavior of the present PE can be different both quantitatively and qualitatively from that of the corresponding spherical PE. This arises from the competition of the hydrodynamic force and the electric force acting on a PE. The geometry and the nature of a PE can also influence appreciably its behavior, yielding complicated and interesting results.en國內SCI;否TWN
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