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. 2021 Jul 12;12(7):816. doi: 10.3390/mi12070816

Figure 1.

Figure 1

Geometrical dimensions for the simulated models. (a) BoC (barrier-on-chip) model with integrated concentric electrodes of different sizes: current carrying (CC) electrodes 0.8 mm + voltage sensing (VS) electrodes 2 mm diameter (BoC A) and CC electrodes 2 mm + VS electrodes 4 mm diameter (BoC B). The image on the left are the 3D representations of the experimental setup. (b) Insert model with chopstick electrodes and insert of different diameters: 12 mm diameter (Insert A) and 6.5 mm diameter (Insert B). The image on the left is a schematic representation of the measurements using chopstick electrodes and an insert. The barrier tissue is represented in blue.