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Changes in pH of TSA medium over anode, cathode and locations 2 cm laterally away from the electrodes, measured using a pH microelectrode.
| Time (hours) | Anode | Cathode | Away from electrodes |
|---|---|---|---|
| 0 | 7.01 ± 0.1 | 7.05 ± 0.1 | 7.08 ± 0.1 |
| 24 | 6.71 ± 0.1 | 8.40 ± 0.1 | 7.00 ± 0.1 |
| 48 | 6.79 ± 0.1 | 8.35 ± 0.1 | 7.02 ± 0.1 |
