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

Ionic Crystal Structures02:42

Ionic Crystal Structures

17.7K
Ionic crystals consist of two or more different kinds of ions that usually have different sizes. The packing of these ions into a crystal structure is more complex than the packing of metal atoms that are the same size.
Most monatomic ions behave as charged spheres, and their attraction for ions of opposite charge is the same in every direction. Consequently, stable structures for ionic compounds result (1) when ions of one charge are surrounded by as many ions as possible of the opposite...
17.7K
Ionic Radii03:10

Ionic Radii

33.8K
Ionic radius is the measure used to describe the size of an ion. A cation always has fewer electrons and the same number of protons as the parent atom; it is smaller than the atom from which it is derived. For example, the covalent radius of an aluminum atom (1s22s22p63s23p1) is 118 pm, whereas the ionic radius of an Al3+ (1s22s22p6) is 68 pm. As electrons are removed from the outer valence shell, the remaining core electrons occupying smaller shells experience a greater effective nuclear...
33.8K
Ionic Bonds00:42

Ionic Bonds

131.9K
Overview
When atoms gain or lose electrons to achieve a more stable electron configuration they form ions. Ionic bonds are electrostatic attractions between ions with opposite charges. Ionic compounds are rigid and brittle when solid and may dissociate into their constituent ions in water. Covalent compounds, by contrast, remain intact unless a chemical reaction breaks them.
Opposing Charges Hold Ions Together in Ionic Compounds
Ionic bonds are reversible electrostatic interactions between ions...
131.9K
Ionic Bonding and Electron Transfer02:48

Ionic Bonding and Electron Transfer

49.6K
Ions are atoms or molecules bearing an electrical charge. A cation (a positive ion) forms when a neutral atom loses one or more electrons from its valence shell, and an anion (a negative ion) forms when a neutral atom gains one or more electrons in its valence shell. Compounds composed of ions are called ionic compounds (or salts), and their constituent ions are held together by ionic bonds: electrostatic forces of attraction between oppositely charged cations and anions. 
49.6K
Molecular and Ionic Solids02:54

Molecular and Ionic Solids

20.3K
Crystalline solids are divided into four types: molecular, ionic, metallic, and covalent network based on the type of constituent units and their interparticle interactions.
Molecular Solids
Molecular crystalline solids, such as ice, sucrose (table sugar), and iodine, are solids that are composed of neutral molecules as their constituent units. These molecules are held together by weak intermolecular forces such as London dispersion forces, dipole-dipole interactions, or hydrogen bonds, which...
20.3K
Solubility of Ionic Compounds02:55

Solubility of Ionic Compounds

68.3K
Solubility is the measure of the maximum amount of solute that can be dissolved in a given quantity of solvent at a given temperature and pressure. Solubility is usually measured in molarity (M) or moles per liter (mol/L). A compound is termed soluble if it dissolves in water.
68.3K

You might also read

Related Articles

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

Sort by
Same author

Electric-Eel-Inspired Aqueous Polyelectrolyte Membranes for Osmotic Energy Conversion.

Nano letters·2026
Same author

A Bioinspired Metal-Free Bilayer Hydrogel Battery.

ACS applied materials & interfaces·2026
Same author

Interfacial Engineering with Hydrophobic Self-Assembled Monolayers Boosting Ionic and Electronic Conduction in <i>N</i>-Type Organic Electrochemical Transistors.

ACS applied materials & interfaces·2026
Same author

Oscillatory and Collective Dynamics of Gold-Nanoparticle-Laden Droplets Driven by Photothermal-Induced Thermocapillarity.

Advanced materials (Deerfield Beach, Fla.)·2025
Same author

Superwettable-Membrane-Assisted Extraction and Separation as a General Method for Removal of Organic Pollutants From Water.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2025
Same author

Shape-Evolving Structured Liquids.

Advanced materials (Deerfield Beach, Fla.)·2025

Related Experiment Video

Updated: Feb 12, 2026

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water
16:24

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water

Published on: August 2, 2012

19.3K

A bio-inspired dumbbell-shaped nanochannel with a controllable structure and ionic rectification.

Kai Xiao1, Lu Chen, Ganhua Xie

  • 1Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P.R. China. wen@mail.ipc.ac.cn.

Nanoscale
|April 5, 2018
PubMed
Summary

Researchers developed a novel, tailorable dumbbell-shaped nanochannel inspired by potassium ion channels. This breakthrough enables precise ion transport with controllable ionic rectification, opening new avenues in analytical sciences.

More Related Videos

Manufacturing, Control, and Performance Evaluation of a Gecko-Inspired Soft Robot
07:40

Manufacturing, Control, and Performance Evaluation of a Gecko-Inspired Soft Robot

Published on: June 10, 2020

16.1K
Bio-inspired Polydopamine Surface Modification of Nanodiamonds and Its Reduction of Silver Nanoparticles
07:58

Bio-inspired Polydopamine Surface Modification of Nanodiamonds and Its Reduction of Silver Nanoparticles

Published on: November 14, 2018

8.8K

Related Experiment Videos

Last Updated: Feb 12, 2026

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water
16:24

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water

Published on: August 2, 2012

19.3K
Manufacturing, Control, and Performance Evaluation of a Gecko-Inspired Soft Robot
07:40

Manufacturing, Control, and Performance Evaluation of a Gecko-Inspired Soft Robot

Published on: June 10, 2020

16.1K
Bio-inspired Polydopamine Surface Modification of Nanodiamonds and Its Reduction of Silver Nanoparticles
07:58

Bio-inspired Polydopamine Surface Modification of Nanodiamonds and Its Reduction of Silver Nanoparticles

Published on: November 14, 2018

8.8K

Area of Science:

  • Nanotechnology
  • Electrochemistry
  • Analytical Chemistry

Background:

  • Ion channels are crucial biological components regulating ion transport.
  • Understanding and mimicking biological ion channels can lead to advanced artificial systems.
  • Controlling ion flow is essential for various scientific and technological applications.

Purpose of the Study:

  • To design and fabricate a novel structure-tailorable dumbbell-shaped nanochannel.
  • To investigate and achieve controllable ionic rectification within the nanochannel.
  • To establish a platform for precision ion transport with potential applications in analytical sciences.

Main Methods:

  • Inspired by potassium ion channel structures.
  • Fabrication of a dumbbell-shaped nanochannel with tunable geometry.
  • Experimental and theoretical analysis of ionic transport properties.
  • Characterization of ionic rectification behavior.

Main Results:

  • Successfully created a structure-tailorable dumbbell-shaped nanochannel.
  • Demonstrated controllable ionic rectification in the nanochannel system.
  • Established an effective platform for precision ion transportation.
  • Identified potential applications in analytical sciences.

Conclusions:

  • The developed nanochannel offers a unique platform for studying ion transport.
  • Controllable ionic rectification is achievable in this artificial system.
  • This technology holds promise for advancements in analytical instrumentation and ion manipulation.