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. Author manuscript; available in PMC: 2014 May 7.
Published in final edited form as: Biomed Microdevices. 2011 Jun;13(3):441–451. doi: 10.1007/s10544-011-9512-z

Table 1.

Electrode Geometry and Impedance (1 kHz)

Geometry Au Sitea, MΩ N=48 PEDOT/PSSb, kΩ N=33 POST Implantc, kΩ N=15
Planar 17 × 17 μm 5.4±3.7 240±110 380±82
Edge 17 × 5 × 2 μm 6.0±3.1 210±64 460±72
a

Electrodes cleaned using piranha etch, H2SO4 polishing, and EtOH

b

Galvanostatic deposition, current density=2.5pA/μ2, charge density= 1nC/μ2

c

Cleaned in a proteolytic enzyme detergent