title: A novel microfluidic flow focusing method.
abstract: A new microfluidic method that allows hydrodynamic focusing in a microchannel with two sheath flows is demonstrated. The microchannel network consists of a T-shaped main channel and two T-shaped branch channels. The flows of the sample stream and the sheath streams in the microchannel are generated by electroosmotic flow-induced pressure gradients. In comparison with other flow focusing methods, this novel method does not expose the sample to electrical field, and does not need any external pumps, tubing, and valves.
authors.affiliation: Department of Mechanical and Mechatronics Engineering, University of Waterloo , Waterloo, Ontario N2L 3G1, Canada.
authors.forename: Hai
authors.initials: H
authors.lastname: Jiang
authors.affiliation: Department of Mechanical and Mechatronics Engineering, University of Waterloo , Waterloo, Ontario N2L 3G1, Canada.
authors.forename: Xuan
authors.initials: X
authors.lastname: Weng
authors.affiliation: Department of Mechanical and Mechatronics Engineering, University of Waterloo , Waterloo, Ontario N2L 3G1, Canada.
authors.forename: Dongqing
authors.initials: D
authors.lastname: Li