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Electric Field of Parallel Conducting Plates01:16

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Understanding steady, laminar flow between parallel plates is essential for analyzing and designing flow in narrow rectangular channels, commonly found in various water conveyance and drainage systems. The Navier-Stokes equations govern fluid motion and are generally challenging to solve due to their nonlinearity. However, simplifications are possible in certain cases, like the steady laminar flow between parallel plates. For this scenario, we assume steady, incompressible, laminar flow.
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The parallel RLC circuit is an arrangement where the resistor (R), inductor (L), and capacitor (C) are all connected to the same nodes and, as a result, share the same voltage across them. The parallel RLC circuit is analyzed in terms of admittance (Y), which reflects the ease with which current can flow. The admittance is given by:
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The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
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On comparing the reactivity of silver and lead, it is observed that the two ionic species, Ag+ (aq) and Pb2+ (aq), show a difference in their redox reactivity towards copper: the silver ion undergoes spontaneous reduction, while the lead ion does not. This relative redox activity can be easily quantified in electrochemical cells by a property called cell potential. This property is commonly known as cell voltage in electrochemistry, and it is a measure of the energy which accompanies the charge...
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Resistors are in parallel when one end of all the resistors are connected to a continuous wire of negligible resistance and the other end of all the resistors are also connected to one another through a continuous wire of negligible resistance. In the case of a parallel configuration, the potential drop across each resistor is the same. Current through each resistor can be found using Ohm’s law, I = V/R, where the voltage is constant across each resistor. The sum of the individual currents...
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Related Experiment Video

Updated: Jan 28, 2026

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Histopathological and Ultrastructural Changes after Electroporation in Pig Liver Using Parallel-Plate Electrodes and

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|February 27, 2019
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Summary

A new high-voltage generator enables homogeneous irreversible electroporation (IRE) in large tissues using parallel plates. This non-thermal ablation method preserves vascular structures, facilitating tissue repair after cell membrane destruction.

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Area of Science:

  • Biomedical Engineering
  • Oncology
  • Cell Biology

Background:

  • Irreversible electroporation (IRE) is a promising non-thermal ablation technique.
  • Current IRE generators have limitations in treating large tissue volumes.
  • Homogeneous treatment and rapid recovery are key benefits of IRE.

Purpose of the Study:

  • To introduce a novel high-voltage generator for IRE treatment of large tissue volumes.
  • To evaluate the efficacy and homogeneity of IRE using parallel-plate electrodes.
  • To investigate the ultrastructural changes and cellular mechanisms of cell death following IRE.

Main Methods:

  • Development and implementation of a new high-voltage, high-current generator.
  • Design and use of 3-cm parallel-plate electrodes for IRE.
  • In vivo IRE ablation in female pigs, followed by histopathological and ultrastructural analysis (TEM, SEM) at 3 hours, 3 days, and 7 days post-ablation.

Main Results:

  • The developed generator effectively achieved homogeneous IRE treatment in large tissue volumes.
  • Hepatocyte membrane destruction and organelle membrane alterations suggest cell death mechanisms beyond apoptosis.
  • Endothelial cell death occurred, but vascular scaffold integrity supported repair processes starting from day three, provided blood flow was maintained.

Conclusions:

  • The novel high-performance generator enables effective, homogeneous IRE treatment using parallel plates.
  • Ultrastructural analysis is crucial for understanding IRE's impact on cellular components and death pathways.
  • Maintaining vascular integrity post-IRE is vital for initiating tissue repair mechanisms.