Electro-osmotic control of the interface position of two-liquid flow through a microchannel

Journal of Micromechanics and Microengineering

Volumn 17, Issue 2, 2007, Pages 358-366

  Gao, Yandong ^a   Wang, Cheng ^a   Wong, Teck Neng ^a   Yang, Chun ^a   Nguyen, Nam Trung ^a   Ooi, Kim Tiow ^a  

^a NANYANG TECHNOLOGICAL UNIVERSITY   (Singapore)

Author keywords

[No Author keywords available]

Indexed keywords

ELECTRIC FIELD EFFECTS; ELECTROOSMOSIS; INTERFACES (MATERIALS); MATHEMATICAL MODELS; MICROCHANNELS; POSITION CONTROL;

ELECTRO-OSMOTIC CONTROL; LIQUID-LIQUID INTERFACES; TWO-LIQUID FLOWS; VELOCITY PROFILES;

FLOW CONTROL;

EID: 34249029337     PISSN: 09601317     EISSN: 13616439     Source Type: Journal    
DOI: 10.1088/0960-1317/17/2/023     Document Type: Article

References (21)

1. Kuban P, Dasgupta P K and Morris K A 2002 Microscale continuous ion exchanger Anal. Chem. 74 5667-75
2. Kamholz A E, Weigl B H, Finlayson B A and Yager P 1999 Quantitative analysis of molecular interaction in a microfluidic channel: the T-sensor Anal. Chem. 71 5340-7
3. Weigl B H, Bardell R L, Kesler N and Morris C J 2001 Lab-on-a-chip sample preparation using laminar fluid diffusion interfaces-computational fluid dynamics model results and fluidic verification experiments Fresenius J. Anal. Chem. 371 97-105
4. Blankenstein G et al 1996 Flow switch for analysis injection and cell/particle sorting νTAS'96: Int. Symp. on Miniaturized Total Analysis Systems (Basel, Switzerland, November 1996) pp 82-4
5. Stiles P J and Fletcher D F 2004 Hydrodynamic control of the interface between two liquids flowing through a horizontal or vertical microchannel Lab. Chip 4 121-4
6. Lee G B, Hung C I, Ke B J, Huang G R and Hwei B H 2001 Micromachined pre-focused 1 × n flow switches for continuous sample injection J. Micromech. Microeng. 11 567-73
7. Lee G B, Hwei B H and Huang G R 2001 Micromachined pre-focused m × n flow switches for continuous multi-sample injection J. Micromech. Microeng. 11 654-61
8. Lin J-Y, Fu L-M and Yang R J 2002 Numerical simulation of electrokinetic focusing in microfluidic chips J. Micromech. Microeng. 12 1-7
9. Fu L-M, Yang R J and Lee G B 2003 Electrokinetic focusing injection methods on microfluidic devices Anal. Chem. 75 1905-10
10. Fu L-M et al 2004 Multiple injection techniques for microfluidic sample handling Electrophoresis 24 3026-32
11. Gao Y, Wong T N, Yang C and Ooi K T 2004 Two-fluid electroosmotic flow in microchannels J. Colloid Interface Sci. 284 306-14
12. Gao Y, Wong T N, Yang C and Ooi K T 2005 Transient two-liquid electroosmotic flow with electric charges at the interface Colloids Surf. 266 117-28
13. Ngoma G D and Erchiqui F 2006 Pressure gradient and electroosmotic effects on two immiscible fluids in a microchannel between two parallel plates J. Micromech. Microeng. 16 83-91
14. Wang C, Gao Y, Nguyen N-T, Wong T N, Yang C and Ooi K T 2005 Interface control of pressure-driven two-fluid flow in microchannels using electro-osmosis J. Micromech. Microeng. 15 2289-97
15. Hunter R J 1981 Zeta Potential in Colloid Science: Principles and Applications (London: Academic)
16. Cox R G 1997 Electroviscous forces on a charged particle suspended in a flowing liquid J. Fluid Mech. 338 1-34
17. Probstein R F 1994 Physicochemical Hydrodynamics: An Introduction (New York: Wiley)
18. Saville D A 1977 Electrokinetic effects with small particles Annu. Rev. Fluid Mech. 9 321-37
19. Dutta P, Beskok A and Warburton T C 2002 Electroosmotic flow control in complex microgeometries J. Microelectromech. Syst. 11 36-43
20. Tang G, Yang C, Cai J C and Gong H 2004 Joule heating effect on electroosmotic flow and mass species transport in a microcapillary Int. J. Heat Mass Transfer 47 215-27
21. Wu Z, Nguyen N-T and Huang X 2004 Nonlinear diffusive mixing in microchannels: theory and experiments J. Micromech. Microeng. 14 604