Journal
MICROFLUIDICS AND NANOFLUIDICS
Volume 6, Issue 4, Pages 565-569Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s10404-008-0346-9
Keywords
Microfluidics; Electroosmosis; Photoconductor; Off-axis flow; Optical control
Funding
- Orszagos Tudomanyos Kutatasi Alap [NK72375]
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Light is used to dynamically control the pattern of electroosmotic flow in a microfluidic channel. One wall of the channel is formed by a photoconductor film in a specific geometry. Illumination of this surface results in an increase of the conductivity that modifies the structure of the electric field inside the channel. A dramatic change of the electroosmotic flow pattern can be achieved. This approach provides useful capabilities for the manipulation of fluids in microfluidic systems like directing flow and mixing.
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