| 摘要 |
Microfluidic systems, methods for transporting fluid samples within microfluidic channels, and uses of substrates in channels are disclosed. One such microfluidic system for moving a plurality of subject materials from a first location to a second location along a channel includes a source for creating a voltage difference across the first location and the second location. The microfluidic system further includes a plurality of subject material regions in them channel, the subject material regions separated by first spacer regions of high ionic strength; and at least one second spacer region of low ionic concentration. Another such system includes a pair of first spacer, regions on either side of each subject material region, the first spacer regions having high ionic concentrations, and further includes at least one second spacer region, the second spacer region having a low ionic concentration.
|
