Extended Data Fig. 7: Steady state dopamine detection with variable flow rate. | Nature Materials

Extended Data Fig. 7: Steady state dopamine detection with variable flow rate.

From: A biohybrid synapse with neurotransmitter-mediated plasticity

Extended Data Fig. 7

Steady-state measurements of the postsynaptic channel conductance (Vpost = +0.3 V, Vch = -0.2 V) under varied flow rates and dopamine concentrations. When the flow rate is increased from 200 μL min-1 to 300 μL min-1, the equilibrium Gpost is larger for the same dopamine concentration. Additionally, the recovery time for the higher flow rate is shorter due to the fact that the fresh solution carries oxygen which can oxidize the PEDOT:PSS postsynaptic channel at faster rates when the solution flow rate is increased.

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