The analysis of electroosmotic flow in microfluidic channels with immiscible liquid-fluid interfaces.
Published: 2006
Language: eng
Number of pages: 138
ISBN-13: 9780494161678
Description: With the advancement in electrokinetics and its applications to multiphase microfluidic systems, there lacks a fundamental understanding of electroosmotic flow with the presence of immiscible liquid-fluid interfaces. This thesis addresses the fundamentals of two-phase electroosmotic flow by theoretical development and experimentation. A theoretical model is proposed, which considers both the electrical double layer forces and the surface forces at liquid-fluid interfaces. A microfabrication method is also proposed, in which self-assembled monolayers of Octadecyltrichlorosilane and deep-UV irradiation were used to create surface energy (hydrophobic-hydrophilic) patterns simultaneously on all inner surfaces of a slit glass microchip. Liquid is confined by the surface energy on the glass surfaces, forming liquid-air interfaces sidewalls. Experimental observations indicated only the theoretical model that includes the consideration of surface charges is capable of fully describing all of the experimental results.
Notes: Source: Masters Abstracts International, Volume: 44-06, page: 2973.

Thesis (M.A.Sc.)--University of Toronto, 2006.

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