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Nyquist plots of electroconductive hydrogels (ECH) containing 0.0, 0.1, 1.0, and 10 wt% PAn-PAAMPSA measured at room temperature (RT) in air from 10 mHz to 1.0 MHz using a 10 mV peak-to-peak sine wave. (A) Hydrogels formulated for microlithography containing 2 mol% pNVP and the equivalent R(QR)(QR) circuit (inset). (B) Hydrogels formulated for 3-D printing containing 12 mol% pNVP.
