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Migration behavior obtained at Uac_1 = 50 V with various conditions ofUac_2 at f = 30 kHz. 300 particles are studied at each bead size. Positive (+) signs represent normal migration and negative (−) signs represent ratchet migration, respectively.
| Amplitude of Uac_2 | Size of Particles(μm) and migration behaviors | ||||
|---|---|---|---|---|---|
| V/cm | 0.87 | 0.52 | 0.28 | 0.16 | 0.08 |
| 1400 | − | − | − | + | + |
| 1000 | − | − | + | + | + |
| 900 | − | − | + | + | + |
| 850 | − | − | + | + | + |
