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. 2015 Feb 12;15(2):4212–4228. doi: 10.3390/s150204212

Figure 9.

Figure 9.

Current responses of two DA sensors for incremental additions of 2.5 μM dopamine to 40 mL of 0.05-M PBS solution: (red) the integrated DA sensor had an IrOx WE and an IrOx pseudo-RE on the same probe; and (blue) the other DA sensor had a gold WE with an external standard AgCl/Ag RE probe.