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

Debye–Huckel–Onsager Conductance Equation01:28

Debye–Huckel–Onsager Conductance Equation

207
The Debye-Hückel-Onsager equation is a cornerstone of physical chemistry, providing a method to determine the molar conductance (Λm) and molar conductance at infinite dilution (Λ°m) for uni-univalent electrolytes.Uni-univalent electrolytes are electrolytes that dissociate in solution to produce one cation with a +1 charge and one anion with a –1 charge per formula unit.This equation addresses two crucial phenomena: the asymmetry effect and the electrophoretic effect.
207
Thermodynamics: Activity Coefficient01:24

Thermodynamics: Activity Coefficient

3.3K
Activity is the measure of the effective concentration of the species in solution. It can be expressed as the product of the molar concentration of the species and its activity coefficient. The activity coefficient is a dimensionless quantity and depends on the total ionic strength of the solution.
The activity coefficient is a measure of the deviation from ideal behavior. When the ionic strength of the solution is minimal, the activity coefficient of an ionic species is close to unity, making...
3.3K

You might also read

Related Articles

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

Sort by
Same author

Chemical intuition on bond-dissociation energies as an emergent ability of universal machine-learning interatomic potentials.

Nature communications·2026
Same author

Integrating Diffusion and Liquid AI Models for Predicting Peptide Affinity from mRNA Display Selections.

bioRxiv : the preprint server for biology·2026
Same author

Heterogeneous Wettability Alters Methane Migration and Leakage in Shallow Aquifers.

Environmental science & technology·2026
Same author

High-temperature memristors enabled by interfacial engineering.

Science (New York, N.Y.)·2026
Same author

Emerging Ferroelectric Domains: Stacking and Rotational Landscape of MoS<sub>2</sub> Moiré Bilayers.

ACS nano·2026
Same author

Supercritical water at ten densities from 0.1 to 1.0 gr/cc at 1000 K using ab initio molecular dynamics simulations.

The Journal of chemical physics·2026

Related Experiment Video

Updated: Mar 31, 2026

Probing the Structure and Dynamics of Interfacial Water with Scanning Tunneling Microscopy and Spectroscopy
10:28

Probing the Structure and Dynamics of Interfacial Water with Scanning Tunneling Microscopy and Spectroscopy

Published on: May 27, 2018

9.6K

Dynamics of supercooled water in nanotubes: cage correlation function and diffusion coefficient.

Mahdi Khademi1, Rajiv K Kalia1, Muhammad Sahimi1

  • 1Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California 90089-1211, USA.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|October 15, 2015
PubMed
Summary

Supercooled water confined in silicon-carbide nanotubes remains liquid and does not freeze. Its dynamics exhibit a fragile-to-strong crossover, indicating a breakdown of the Stokes-Einstein relation for nanoconfined water.

More Related Videos

Visualizing Diffusional Dynamics of Gold Nanorods on Cell Membrane using Single Nanoparticle Darkfield Microscopy
09:09

Visualizing Diffusional Dynamics of Gold Nanorods on Cell Membrane using Single Nanoparticle Darkfield Microscopy

Published on: March 5, 2021

4.9K
Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures
10:56

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

12.6K

Related Experiment Videos

Last Updated: Mar 31, 2026

Probing the Structure and Dynamics of Interfacial Water with Scanning Tunneling Microscopy and Spectroscopy
10:28

Probing the Structure and Dynamics of Interfacial Water with Scanning Tunneling Microscopy and Spectroscopy

Published on: May 27, 2018

9.6K
Visualizing Diffusional Dynamics of Gold Nanorods on Cell Membrane using Single Nanoparticle Darkfield Microscopy
09:09

Visualizing Diffusional Dynamics of Gold Nanorods on Cell Membrane using Single Nanoparticle Darkfield Microscopy

Published on: March 5, 2021

4.9K
Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures
10:56

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

12.6K

Area of Science:

  • Physical Chemistry
  • Materials Science
  • Nanotechnology

Background:

  • Dynamics of low-temperature water in nanostructured materials are crucial for diverse phenomena.
  • Applications range from cement and protein dynamics to microbial survival and nanogeoscience.

Purpose of the Study:

  • Investigate the behavior of supercooled water confined within silicon-carbide nanotubes.
  • Characterize the cage correlation function and self-diffusivity of water under nanoconfinement.

Main Methods:

  • Extensive molecular dynamics simulations were performed.
  • Analyzed the cage correlation function C(t) and self-diffusivity D.
  • Applied the Kohlrausch-Williams-Watts law to model C(t).

Main Results:

  • The cage correlation function C(t) follows the Kohlrausch-Williams-Watts law with β≃0.438 for 220K < T ≤ 273 K.
  • This value of β confirms Phillips' prediction of 3/7.
  • Self-diffusivity shows a transition around 230 K, near the fragile-to-strong dynamic crossover temperature.

Conclusions:

  • Water does not freeze within the silicon-carbide nanotubes in the studied temperature range.
  • The Stokes-Einstein relation is found to break down for water under these nanoconfined conditions.