Fig 1.
Electrical Impedance Tomography System (a) EIT System Schematic (reproduced from [29], MUX = multiplexer, DEMUX = demultiplexer) (b) Schematic of Experimental EIT Chamber for Electrolysis Experiments (c) EIT Chamber With Central Electrolysis Electrode in Our Experimental Setup.
Fig 2.
Anode Centered Electrolysis Experiment.
EIT images: (a) After 1 minute, (b) After 3 minutes, (c) After 19 minutes, (d) After 19 minutes with overlaid outline of the pH altered region. Optical images: (1) After 1 minute, (2) After 3 minutes, (3) After 19 minutes (4) After 19 minutes with increased contrast
Table 1.
Summarizes the experimental parameters used in this work.
Fig 3.
Cathode Centered Electrolysis Experiment.
EIT images: (a) After 2 minute, (b) After 6 minutes, (c) After 36 minutes (d) After 36 minutes with overlaid outline of the pH altered region. Optical images: (1) After 2 minute, (2) After 6 minutes, (3) After 36 minutes (4) After 36 minutes with increased contrast
Fig 4.
Two Electrodes Electrolysis Experiment.
EIT images: (a) After 1 minute, (b) After 3 minutes, (c) After 6 minutes, (d) After 12 minutes. Optical images: (1) After 1 minute, (2) After 3 minutes, (3) After 6 minutes (4) After 12 minutes.
Fig 5.
Bacterial Viability Experiment.
EIT images: (a) After 15 minutes, (b) After 30 minutes, (c) After 45 minutes. (d) Optical image of growth patterns after 24 hour incubation