Patent ID: 7211148
Filing Date: 2007-05-01
Classification: B01J,B01L,C40B,G01N,Y10T

Abstract:
1. A method for the manipulation of liquid, comprising: (a) providing a system comprising (i) a device comprising first and second opposing surfaces and at least 1024 channels extending between said surfaces, said channels including opposite upper-end and lower-end openings, with said openings defining upper and lower opening arrays; wherein at least a region of each channel is of capillary size, and wherein each of said channels includes an interior region that is hydrophilic; and (ii) a multi-well tray; (b) introducing a selected liquid comprising a biological sample or reagent into said channels, with the liquid being retained in the channels by surface tension forces; (c) placing said device adjacent said multi-well tray, such that each of said channels is in alignment with a respective well of said tray; and (d) transferring the selected liquid from each channel into its respective well.