| 摘要 |
Embodiments of a device (10) and method are described which provide for concentration and purification of analytes, e.g. polynucleotides, in channel devices using AC and DC electric fields. The device comprises a substrate (12), channels (14 and 16), a junction (18), lower and upper plates (20 and 22), electrodes (24, 26, 28, and 30), and reservoirs (34, 36, 38, and 40).</ SDOAB>
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