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. Author manuscript; available in PMC: 2019 Feb 1.
Published in final edited form as: J Neural Eng. 2018 Feb 1;15(1):016010. doi: 10.1088/1741-2552/aa8c88

Figure 5.

Figure 5

Electrodeposition of iridium oxide films (EIROF) can modify carbon fiber electrical properties. (a) Cyclic voltammetry curves, measured in PBS, for a carbon fiber electrode before (red) and after (blue) EIROF coating. (b) Electrode impedance spectroscopy, in PBS, for a carbon fiber electrode before (red) and after (blue) EIROF coating. (c-d) SEM micrograph of carbon fiber before (c) and after (d) fire-sharpening and EIROF coating. Note uniform iridium oxide coating over the entire electrode tip. Scale bars in (b) and (c): 10 μm.