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

Molecular and Ionic Solids02:54

Molecular and Ionic Solids

19.9K
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...
19.9K
Small-signal Diode Model01:18

Small-signal Diode Model

1.5K
In analyzing the behavior of diodes in circuits, the relationship between the current through a diode and the voltage across it is of particular interest, especially when considering the effect of a direct current (DC) bias voltage. When applied, this DC bias influences the diode's operating point, known as the Q point, around which the current-voltage (I-V) characteristic of the diode exhibits exponential behavior. Introducing a small, time-varying signal on top of this bias aids in examining...
1.5K
Ionic Radii03:10

Ionic Radii

33.3K
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...
33.3K
Metallic Solids02:37

Metallic Solids

20.5K
Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability....
20.5K
Solubility of Ionic Compounds02:55

Solubility of Ionic Compounds

68.0K
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.
68.0K
Ionic Crystal Structures02:42

Ionic Crystal Structures

16.9K
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...
16.9K

You might also read

Related Articles

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

Sort by
Same author

Bioinspired Cilia Array Surfaces for Programmable Unidirectional Liquid Transport across Surface Tension Regimes.

Nano letters·2026
Same author

Electro-Magnetic Synergy Driven Pump with Liquid Metal for Rapid Liquid Transport.

ACS nano·2026
Same author

Heterogeneous Two-Dimensional Composite Membranes with Gradient Architecture and Hopping-Assisted Ion-Transport Features for Efficient Osmotic Energy Conversion.

Journal of the American Chemical Society·2026
Same author

Low-Temperature Visual Mechanical Sensing via Uniaxial Compression of Blue Phase Liquid Crystal Elastomer.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Sub-10-nm imprint lithography on elastomers by chain translocated crystallization in nanochannels.

Science advances·2026
Same author

Sodium-Selective Channels Enabled by De Novo Encapsulated Azamacrocycles for Boosting Osmotic Energy Harvesting.

ACS applied materials & interfaces·2026

Related Experiment Video

Updated: Jan 22, 2026

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles
11:13

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles

Published on: March 13, 2016

11.2K

Efficient Proton Rectification in Quasi-Solid-State Nanofluidic Diode Membrane for Ionic Signal Processing and

Xi Wang1,2, Yifan Guo1,2, Qixiang Zhang1,2

  • 1School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, China.

ACS Nano
|January 21, 2026
PubMed
Summary
This summary is machine-generated.

Researchers developed a quasi-solid-state proton diode using hydrogels, inspired by human skin. This biomimetic membrane achieves high proton rectification for advanced biosensing and brain-like computing applications.

Keywords:
heterogeneous membraneion transportionic circuitsionic rectificationnanofluidics

More Related Videos

Introduction to Solid Supported Membrane Based Electrophysiology
19:56

Introduction to Solid Supported Membrane Based Electrophysiology

Published on: May 11, 2013

15.7K
Proton Therapy Delivery and Its Clinical Application in Select Solid Tumor Malignancies
08:34

Proton Therapy Delivery and Its Clinical Application in Select Solid Tumor Malignancies

Published on: February 6, 2019

21.0K

Related Experiment Videos

Last Updated: Jan 22, 2026

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles
11:13

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles

Published on: March 13, 2016

11.2K
Introduction to Solid Supported Membrane Based Electrophysiology
19:56

Introduction to Solid Supported Membrane Based Electrophysiology

Published on: May 11, 2013

15.7K
Proton Therapy Delivery and Its Clinical Application in Select Solid Tumor Malignancies
08:34

Proton Therapy Delivery and Its Clinical Application in Select Solid Tumor Malignancies

Published on: February 6, 2019

21.0K

Area of Science:

  • Materials Science
  • Biomimetics
  • Nanotechnology

Background:

  • Mimicking biological ion channels is key for ionic signal transmission and neuromorphic computing.
  • Achieving unidirectional proton transport in nanochannels is difficult due to proton mobility and size.

Purpose of the Study:

  • To create a quasi-solid-state heterogeneous ionic diode membrane with enhanced proton rectification.
  • To investigate the mechanism behind unidirectional proton transport in the designed membrane.
  • To demonstrate the application of the membrane in simulating neuronal signal transmission and computation.

Main Methods:

  • Integration of two poly(vinyl alcohol)-based hydrogel layers to create a heterogeneous membrane.
  • Characterization of proton transport properties and rectification ratios.
  • Utilizing experimental and theoretical approaches to understand proton migration energy barriers.
  • Fabrication of voltage-adaptive ionic transistor devices for neuromorphic computing simulation.

Main Results:

  • The heterogeneous ionic diode membrane achieved a proton rectification ratio of 47, amplified to 65 under pressure.
  • Identified differences in proton migration energy barriers at the interface as the cause of unidirectional transport.
  • Successfully simulated neuronal synapse signal transmission and computation using ionic transistor devices.

Conclusions:

  • The developed hydrogel-based proton diode offers a biomimetic approach for efficient unidirectional proton transport.
  • This work provides a general strategy for designing high-rectifying proton diodes for biosensing and neuromorphic computing.
  • The findings pave the way for advanced functionalities in artificial intelligence and bioelectronic devices.