Patent ID: 9651518
Date: 2017-05-16
CPC Classifications: B01L,B82Y,G01N

Claim:
1. A method of controlling charged molecules in a nano-fluidic field effective device having a channel, the method comprising: applying a first electric field in a direction of a flow axis of said channel in said nano-fluidic field effective device to drive a first charged molecule and a second charged molecule into said channel; applying a second electric field in a direction parallel to a horizontal axis perpendicular to said flow axis by generating a first potential difference between a first tooth of a first comb-shaped electrode of a first pair of interdigitated combed-shaped electrodes and a second tooth of a second comb-shaped electrode of the first pair of interdigitated combed-shaped electrodes to confine said first charged molecule to a first subslot in the channel; and applying a third electric field in a direction parallel to the second electric field by generating a second potential difference between a third tooth of the first comb-shaped electrode and a fourth tooth of the second combed-shaped electrode to confine the second charged molecule to a second subslot in the channel, wherein driving the first charged molecule through the first subslot using a fourth electric field having a direction parallel to the first electric field and generated by a third potential difference between the first comb-shaped electrode and a third comb-shaped electrode.