Clean Technology 2009

Improved miniaturization of microfluidic systems by ultrasonic levitation

M. Dorrestijn
ETH Zurich - ETH transfer, CH

Keywords: acoustic levitation, ultrasonic levitation, contactless, non-contact, frictionless, containerless, medical diagnostics, microfluidics, lab-on-a-chip, micro total analysis systems (┬ÁTAS)


The down-scaling of microfluidic medical diagnostic devices has reached a limit, which is caused by unspecific binding of biomolecules to channel walls. We present a microfluidic system for contactless transfer and mixing of droplets. The technology is based on ultrasonic levitation.
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