Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Potentiometry: Membrane Electrodes01:15

Potentiometry: Membrane Electrodes

2.3K
Membrane electrodes, also known as p-ion electrodes, use membranes that selectively interact with free analyte ions, generating a potential difference across the membrane. The resulting membrane potential, known as the asymmetry potential, is not zero even when analyte concentrations on both sides of the membrane are equal. The membrane's response is typically not selective to a single analyte but proportional to the concentration of all ions in the sample solution capable of interacting at...
2.3K
Ion Exchange01:17

Ion Exchange

1.6K
Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or...
1.6K
The Resting Membrane Potential01:21

The Resting Membrane Potential

117.6K
Overview
117.6K
Electrochemical Systems01:24

Electrochemical Systems

179
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,...
179
Resting Membrane Potential01:24

Resting Membrane Potential

9.0K
9.0K
Resting Membrane Potential01:24

Resting Membrane Potential

18.4K
The relative difference in electrical charge, or voltage, between the inside and the outside of a cell membrane, is called the membrane potential. It is generated by differences in permeability of the membrane to various ions and the concentrations of these ions across the membrane.
The Inside of a Neuron is More Negative
The membrane potential of a cell can be measured by inserting a microelectrode into a cell and comparing the charge to a reference electrode in the extracellular fluid. The...
18.4K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Enzymatically Polymerized Glycolated Conductive Polymers as Soft Electrodes for Neural Bioelectronic Interfaces.

ACS applied materials & interfaces·2026
Same author

Fumarate dramatically enhances biocurrent output in Shewanella-based bioelectrochemical system.

Bioelectrochemistry (Amsterdam, Netherlands)·2026
Same author

An organic artificial cardiomyocyte.

Nature communications·2026
Same author

Suspension polymerization of bioelectronic interfaces on living cells.

Materials horizons·2026
Same author

Iontronic click-to-release enables electrically controlled delivery of drugs and biomolecules beyond charge and size limitations.

Nature communications·2026
Same author

Polyelectrolyte Design Principles for Electrophoretic Drug Delivery.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026

Related Experiment Video

Updated: May 4, 2026

Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone
08:06

Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone

Published on: February 23, 2017

7.9K

Polyphosphonium-based bipolar membranes for rectification of ionic currents.

Erik O Gabrielsson1, Magnus Berggren1

  • 1Department of Science and Technology, Linköping University, 601 74 Norrköping, Sweden.

Biomicrofluidics
|January 9, 2014
PubMed
Summary
This summary is machine-generated.

Researchers developed a novel polyphosphonium-based bipolar membrane (BM) diode. This innovation overcomes limitations of existing BM diodes, enabling wider voltage operation and reduced hysteresis for bioelectronic applications.

More Related Videos

Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes
08:07

Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes

Published on: March 9, 2019

7.0K
Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators
14:42

Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators

Published on: April 25, 2020

10.2K

Related Experiment Videos

Last Updated: May 4, 2026

Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone
08:06

Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone

Published on: February 23, 2017

7.9K
Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes
08:07

Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes

Published on: March 9, 2019

7.0K
Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators
14:42

Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators

Published on: April 25, 2020

10.2K

Area of Science:

  • Bioelectronics
  • Materials Science
  • Ionic Devices

Background:

  • Bipolar membranes (BMs) are crucial for creating non-linear ionic components in bioelectronics.
  • Existing BM diodes face limitations like narrow voltage ranges and high hysteresis.
  • These limitations hinder the development of advanced electrophoretic drug delivery systems.

Purpose of the Study:

  • To develop a novel bipolar membrane (BM) diode with improved characteristics.
  • To overcome the limitations of conventional BM diodes, specifically voltage operation range and hysteresis.
  • To enable the creation of complex, addressable ionic circuits for biomolecule delivery.

Main Methods:

  • Synthesis of a novel polyphosphonium-based bipolar membrane material.
  • Fabrication and characterization of BM-based diodes using the new material.
  • Evaluation of diode characteristics, including voltage operation and hysteresis.

Main Results:

  • The novel polyphosphonium-based BM exhibited significantly improved diode characteristics.
  • The new BM diodes demonstrated a wider voltage operation range compared to conventional BMs.
  • Reduced hysteresis was observed in the novel BM diodes, enhancing their stability and performance.

Conclusions:

  • The developed polyphosphonium-based BM diode offers a promising solution for overcoming current limitations in BM technology.
  • These improved BM diodes are suitable for constructing sophisticated ionic circuits.
  • This advancement holds potential for next-generation bioelectronic devices, particularly for targeted charged biomolecule delivery.