Flat Fluidics: Programmable On-Chip Networks for Biological and Chemical Applications

Keywords:
surface acoustic wave, planar surface, programmable fluidics, mixing, actuation, nano, cells, PCR, microarray, IHC

Abstract:
We present a novel approach towards the needs of a versatile microfluidic chip-based microfluidic system with unique properties and functionality. Like for microarrays and in contrast to many existing microfluidic technologies, the fluid handling is performed on the flat surface of a programmable chip, where fluidic tracks and functional blocks such as valves, dispensers, mixers, and sensing elements are chemically defined using standard lithographic techniques. The actuation of the fluid, the driving and adressing of the functional elements as well as possible sensors are based on electrically excited mechanical acoustic waves, propagating along the surface of a chip.

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Nanotech 2005 Conference Program Abstract