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

Interfacial Electrochemical Methods: Overview01:06

Interfacial Electrochemical Methods: Overview

Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current passing...
Potentiometry: Membrane Electrodes01:15

Potentiometry: Membrane Electrodes

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 the...
Potentiometry: Overview01:06

Potentiometry: Overview

Potentiometry is an analytical technique that measures the potential difference between two electrodes in an electrochemical cell without drawing any significant current that could alter the solution's composition. This method employs an indicator electrode, which exchanges electrons with the analyte solution, and a reference electrode with a constant potential. Each electrode is immersed in a solution comprised of two half-cells. In a conventional setup, the reference electrode serves as the...
Standard Electrode Potentials03:02

Standard Electrode Potentials

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...
Thermodynamic Potentials01:26

Thermodynamic Potentials

Thermodynamic potentials are state functions that are extremely useful in analyzing a thermodynamic system. They have dimensions of energy. The four important thermodynamic potentials are internal energy, enthalpy, Helmholtz free energy, and Gibbs free energy. These thermodynamic potentials can be expressed using two of the following variables: pressure, volume, temperature, and entropy. These two variables are expressed as the rate of change of the thermodynamic potential with respect to other...
Junction Potentials in Galvanic Cells01:21

Junction Potentials in Galvanic Cells

The Nernst equation, derived under the assumption of thermodynamic equilibrium, calculates the electromotive force (emf) as the sum of potential differences at phase boundaries in a reversible cell without a liquid junction. However, in irreversible cells such as the Daniell cell, an additional potential difference named the liquid-junction potential (EJ) arises across the interface of two electrolyte solutions due to different ion diffusion rates. This EJ represents the potential difference...

You might also read

Related Articles

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

Sort by
Same author

Nanoengineering of non-aqueous liquid electrolyte solutions for future lithium metal batteries.

Nature nanotechnology·2026
Same author

Rotation Kinetics of Molecular Motors Influence Their Ability to Kill Cancer Cells and Induce Cellular Calcium Signaling.

Journal of the American Chemical Society·2025
Same author

Direct in situ measurements of electrical properties of solid-electrolyte interphase on lithium metal anodes.

Nature energy·2024
Same author

Creating covalent bonds between Cu and C at the interface of metal/open-ended carbon nanotubes.

Nanoscale advances·2024
Same author

Molecular jackhammers eradicate cancer cells by vibronic-driven action.

Nature chemistry·2023
Same author

Dendrite formation in silicon anodes of lithium-ion batteries.

RSC advances·2022

Related Experiment Video

Updated: Jul 6, 2026

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

Nanomicrointerface to read molecular potentials into current-voltage based electronics.

Norma L Rangel1, Jorge M Seminario

  • 1Department of Chemical Engineering, Texas A&M University, College Station, TX 77843, USA.

The Journal of Chemical Physics
|March 26, 2008
PubMed
Summary
This summary is machine-generated.

Scientists created a nanomicrointerface to read and amplify molecular potentials into usable electronic signals. This breakthrough enables molecular computation by translating molecular signals into readable electric currents.

More Related Videos

Interfacing Microfluidics with Microelectrode Arrays for Studying Neuronal Communication and Axonal Signal Propagation
11:27

Interfacing Microfluidics with Microelectrode Arrays for Studying Neuronal Communication and Axonal Signal Propagation

Published on: December 8, 2018

Multifunctional, Micropipette-based Method for Incorporation And Stimulation of Bacterial Mechanosensitive Ion Channels in Droplet Interface Bilayers
09:54

Multifunctional, Micropipette-based Method for Incorporation And Stimulation of Bacterial Mechanosensitive Ion Channels in Droplet Interface Bilayers

Published on: November 19, 2015

Related Experiment Videos

Last Updated: Jul 6, 2026

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

Interfacing Microfluidics with Microelectrode Arrays for Studying Neuronal Communication and Axonal Signal Propagation
11:27

Interfacing Microfluidics with Microelectrode Arrays for Studying Neuronal Communication and Axonal Signal Propagation

Published on: December 8, 2018

Multifunctional, Micropipette-based Method for Incorporation And Stimulation of Bacterial Mechanosensitive Ion Channels in Droplet Interface Bilayers
09:54

Multifunctional, Micropipette-based Method for Incorporation And Stimulation of Bacterial Mechanosensitive Ion Channels in Droplet Interface Bilayers

Published on: November 19, 2015

Area of Science:

  • Molecular electronics
  • Nanotechnology
  • Computational chemistry

Background:

  • Molecular potentials are currently unreadable and unaddressable by existing technologies.
  • Molecular assembly offers potential for digital or analogical computation, but output signals require amplification.

Purpose of the Study:

  • To develop a nanomicrointerface capable of reading molecular potentials and amplifying them to microelectronic levels.
  • To enable the use of molecular-level information for computation and signal processing.

Main Methods:

  • Utilized a pyridazine derivative, 3,6-bis(phenylethynyl) (aza-OPE), as a molecular amplifier.
  • Induced a slight twist in the aza-OPE molecule's torsional angle using molecular potentials.
  • Employed ab initio computational methods to simulate and validate the signal amplification process.
  • Designed a system resembling a field-effect transistor with potential for nanoscale channel lengths (1-2 nm).

Main Results:

  • Demonstrated amplification of molecular potential signals into readable electric currents.
  • Showcased that minor changes in the aza-OPE molecule's torsional angle produce detectable current variations.
  • Computational results confirm the feasibility of reading amplified molecular signals with standard electronic circuits.
  • The field-effect transistor-like behavior allows for signal detection even with minimal angular changes.

Conclusions:

  • The developed nanomicrointerface successfully bridges the gap between molecular potentials and microelectronic signal processing.
  • This technology facilitates the practical application of molecular computation by providing a method for signal readout and amplification.
  • The findings pave the way for novel electronic devices with ultra-short channel lengths and enhanced sensitivity.