Journal
ELECTROPHORESIS
Volume 25, Issue 21-22, Pages 3687-3693Publisher
WILEY
DOI: 10.1002/elps.200406083
Keywords
current monitoring technique; electroosmotic flow; miniaturization; nanochannels; sacrificial layer technique
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Electrokinetic pumping of low-volume rates was performed on-chip in channels of small cross sectional area and height in the sub-mum range. The flow was detected with the current monitoring technique by monitoring the change in resistance of the fluid in the channel upon the electroosmosis-driven displacement of an electrolyte solution by. a second electrolyte solution. Flow rates in the order of 0.1 pL/s were successfully generated and detected. The channels were fabricated with the sacrificial layer technology.
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