Related Experiment Video

Updated: May 26, 2026

Finite Element Modelling of a Cellular Electric Microenvironment
08:23

Finite Element Modelling of a Cellular Electric Microenvironment

Published on: May 18, 2021

Biological cell-electrical field interaction: stochastic approach

A K Dubey, M Banerjee, Bikramjit Basu

    Journal of Biological Physics
    |January 3, 2012
    PubMed

    Keywords:
    Biological cellE-fieldMicro-organellesStochasticity

    More Related Videos

    Electric-Field-Induced Neural Precursor Cell Differentiation in Microfluidic Devices07:15

    Electric-Field-Induced Neural Precursor Cell Differentiation in Microfluidic Devices

    Published on: April 14, 2021

    External Excitation of Neurons Using Electric and Magnetic Fields in One- and Two-dimensional Cultures08:32

    External Excitation of Neurons Using Electric and Magnetic Fields in One- and Two-dimensional Cultures

    Published on: May 7, 2017

    Related Concept Videos

    Induced Electric Fields: Applications01:27

    Induced Electric Fields: Applications

    An important distinction exists between the electric field induced by a changing magnetic field and the electrostatic field produced by a fixed charge distribution. Specifically, the induced electric field is nonconservative because it does not work in moving a charge over a closed path. In contrast, the electrostatic field is conservative and does no net work over a closed path. Hence, electric potential can be associated with the electrostatic field but not the induced field. The following...
    Carrier Generation and Recombination01:22

    Carrier Generation and Recombination

    Carrier generation is the process by which electron-hole pairs (EHPs) are created within the semiconductor. In direct-bandgap semiconductors, such as gallium arsenide (GaAs), this occurs efficiently when energy absorption prompts valence electrons to leap into the conduction band, leaving behind holes.
    This process is given by the generation rate G and is efficient due to the conservation of momentum between the valence band maximum and conduction band minimum.
    Indirect generation involves an...
    Electrochemical Systems01:24

    Electrochemical Systems

    Electrochemical systems provide a fascinating insight into the dynamic interplay of charged species within various phases. One notable example is the interaction between a membrane permeable to K⁺ ions but not to Cl⁻ ions, separating an aqueous KCl solution from pure water. As K⁺ ions diffuse through the membrane, they generate net charges on each phase, leading to a potential difference between them.Similarly, when a piece of Zn is immersed in an aqueous ZnSO₄ solution, the Zn metal, composed...
    Electrostatic Boundary Conditions in Dielectrics01:27

    Electrostatic Boundary Conditions in Dielectrics

    When an electric field passes from one homogeneous medium to another, crossing the boundary between the two mediums imparts a discontinuity in the electric field. This results in electrostatic boundary conditions that depend on the type of mediums the field propagates through.
    Consider a case where both the mediums across a boundary are two different dielectric materials. Recall that the electric field and electric displacement are proportional and related through the material's permittivity.
    Electrostatic Boundary Conditions01:16

    Electrostatic Boundary Conditions

    Consider an external electric field propagating through a homogeneous medium. When the electric field crosses the surface boundary of the medium, it undergoes a discontinuity. The electric field can be resolved into normal and tangential components. The amount by which the field changes at any boundary is given by the difference between the field components above and below the surface boundary.
    The surface integral of an electric field is given by Gauss's law in integral form and is related to...
    Induced Electric Fields01:23

    Induced Electric Fields

    The fact that emfs are induced in circuits implies that work is being done on the conduction electrons in the wires. What can possibly be the source of this work? We know that it’s neither a battery nor a magnetic field, as a battery does not have to be present in a circuit where current is induced, and magnetic fields never do any work on moving charges. The source of the work is in fact an electric field that is induced in the wires. For example, if a stationary conductor is placed in a...