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Microfluidic logic gates and their electrical equivalent circuits for (a) AND/OR operation and (b) NOT operation. Current (flow rate) distribution at the T junction is governed by Kirchoff’s current law. Outlet voltages (pressures) are maintained equal and constant.
Theoretical operating region of the microfluidic (a) AND/OR gate and (b) NOT gate. As increases, the range of admissible channel geometry increases.
Operation of a microfluidic AND/OR gate (a) , , . Note also that flow from is completely diverted to the right when the OR channel contains a droplet. (b) , , . (c) , , .
Operation of a microfluidic NOT gate (a) , . (b) , .
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