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(a) The fabricated channel SU-8 mold. Micropore contains two narrow 14 μm wide regions, and one wider 54 μm wide region. Pore is 8 μm in height and is surrounded by two outer electrodes for measuring current across pore. (b,c) The view of the PCB fabricated electrodes without (b) and with (c) the disposable microfluidic chip. Each electrode is connected to an SMA RF connector to interface with the impedance spectroscope.
