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. 2021 Mar 4;21(5):1779. doi: 10.3390/s21051779

Figure 2.

Figure 2

Measurement setup for the characterization of the BEOL ISFET. The HP 4156 A (on the left) applies the bias inputs and reads the current outputs from the device under test (DUT) through the four probes (on the right). A syringe pump provides a continuous flow of liquid on the chip through the PMMA microfluidics mounted on the chip (inset).