Fig. 2From: Ablation outcome of irreversible electroporation on potato monitored by impedance spectrum under multi-electrode systemSketch of the square edge, diagonal and length of the ablation area in different directions. a Ablation zone is not connected—treated by 30, 500 V pulses (group 1). b Ablation zone is connected—treated by 90, 500 V pulses (group 3)Back to article page