US 11,717,830 B2
Open microfluidic system and various functional arrangements therefore
Chao Li, Madison, WI (US); David J. Beebe, Monona, WI (US); and Duane S. Juang, Madison, WI (US)
Assigned to Wisconsin Alumni Research Foundation, Madison, WI (US)
Filed by Wisconsin Alumni Research Foundation, Madison, WI (US)
Filed on Jun. 26, 2020, as Appl. No. 16/913,229.
Claims priority of provisional application 62/868,378, filed on Jun. 28, 2019.
Prior Publication US 2021/0101149 A1, Apr. 8, 2021
Int. Cl. B01L 3/00 (2006.01)
CPC B01L 3/502761 (2013.01) [B01L 3/502707 (2013.01); B01L 3/502746 (2013.01); B01L 3/567 (2013.01); B01L 2200/0652 (2013.01); B01L 2200/12 (2013.01); B01L 2300/088 (2013.01); B01L 2300/16 (2013.01); B01L 2300/161 (2013.01); B01L 2400/086 (2013.01); B01L 2400/088 (2013.01)] 23 Claims
OG exemplary drawing
 
9. A method of fabricating an open microfluidic system, comprising the steps: providing a microfluidic device including a reservoir defined by a surface configured to repel an aqueous solution; patterning a hydrophilic input, a hydrophilic output and a hydrophilic strip interconnecting the input and output on the surface; filling the reservoir with an oil; positioning an input droplet of the aqueous solution on the input and an output droplet of the aqueous solution on the output; fluidically connecting the input droplet and the output droplet along the hydrophilic strip with the aqueous solution; and directing a series of input drops toward the input droplet so as to cause the flow of the aqueous solution from the input droplet toward the outlet droplet along the hydrophilic strip.