TY - GEN
T1 - Electroosmotic flow control in a virtual microchannel based on liquid dielectrophoresis
AU - Huang, Cheng Yeh
AU - Fan, Shih Kang
AU - Hsu, Wen-Syang
PY - 2011
Y1 - 2011
N2 - The electroosmotic flow (EOF) velocity control in a wall-less virtual microchannel is successfully demonstrated here by liquid dielectrophoresis (LDEP). The geometry of the virtual microchannel was determined by the electrode patterns on both top plate and bottom plate. The device is a sandwich structure consisting of hydrophobic layers, dielectric layers, ITO glass plates, and liquid. Neutral fluorescent polystyrene beads are introduced to verify the velocity of EOF. The recorded video indicated the velocity of EOF. The effect of EOF velocity and the effect of the capillary electrophoresis (CE) in the virtual microchannel under different electric field are investigated here. Based on the EOF control studies, capillary electrophoresis would be possible by the proposed liquid manipulation mechanism and structure.
AB - The electroosmotic flow (EOF) velocity control in a wall-less virtual microchannel is successfully demonstrated here by liquid dielectrophoresis (LDEP). The geometry of the virtual microchannel was determined by the electrode patterns on both top plate and bottom plate. The device is a sandwich structure consisting of hydrophobic layers, dielectric layers, ITO glass plates, and liquid. Neutral fluorescent polystyrene beads are introduced to verify the velocity of EOF. The recorded video indicated the velocity of EOF. The effect of EOF velocity and the effect of the capillary electrophoresis (CE) in the virtual microchannel under different electric field are investigated here. Based on the EOF control studies, capillary electrophoresis would be possible by the proposed liquid manipulation mechanism and structure.
KW - electroosmotic flow
KW - liquid dielectrophoresis
KW - virtual microchannel
UR - http://www.scopus.com/inward/record.url?scp=80053305892&partnerID=8YFLogxK
U2 - 10.1109/NEMS.2011.6017552
DO - 10.1109/NEMS.2011.6017552
M3 - Conference contribution
AN - SCOPUS:80053305892
SN - 9781612847757
T3 - NEMS 2011 - 6th IEEE International Conference on Nano/Micro Engineered and Molecular Systems
SP - 1116
EP - 1119
BT - NEMS 2011 - 6th IEEE International Conference on Nano/Micro Engineered and Molecular Systems
T2 - 6th IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2011
Y2 - 20 February 2011 through 23 February 2011
ER -