The present invention is a capillary electrophoresis device, comprising a substrate; a first channel in the substrate, and having a buffer arm and a detection arm; a second channel in the substrate intersecting the first channel, and having a sample arm and a waste arm; a buffer reservoir in fluid communication with the buffer arm; a waste reservoir in fluid communication with the waste arm; a sample reservoir in fluid communication with the sample arm; and a detection reservoir in fluid communication with the detection arm. The detection arm and the buffer arm are of substantially equal length.
FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
The subject matter of this application may in part have been funded by National Science Foundation XYZ Lab-on-a-chip Grant # 9980831 and Department of Energy Grant # 4-64111-01. The government may have certain rights in this invention.