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

Theories of Dissolution: The Danckwerts' Model and Interfacial Barrier Model01:09

Theories of Dissolution: The Danckwerts' Model and Interfacial Barrier Model

Various dissolution theories provide insight into the factors that influence the dissolution rate. Danckwerts' Model suggests that turbulence, rather than a stagnant layer, characterizes the dissolution medium at the solid-liquid interface. In this model, the agitated solvent contains macroscopic packets that move to the interface via eddy currents, facilitating the absorption and delivery of the drug to the bulk solution. The regular replenishment of solvent packets maintains the concentration...
Intermolecular Forces03:13

Intermolecular Forces

Atoms and molecules interact through bonds (or forces): intramolecular and intermolecular. The forces are electrostatic as they arise from interactions (attractive or repulsive) between charged species (permanent, partial, or temporary charges) and exist with varying strengths between ions, polar, nonpolar, and neutral molecules. The different types of intermolecular forces are ion–dipole, dipole–dipole, hydrogen bonds, and dispersion; among these, dipole–dipole, hydrogen bonds, and dispersion...
Intermolecular Forces in Solutions02:28

Intermolecular Forces in Solutions

The formation of a solution is an example of a spontaneous process, a process that occurs under specified conditions without energy from some external source.
When the strengths of the intermolecular forces of attraction between solute and solvent species in a solution are no different than those present in the separated components, the solution is formed with no accompanying energy change. Such a solution is called an ideal solution. A mixture of ideal gases (or gases such as helium and argon,...
Protein Diffusion in the Membrane01:24

Protein Diffusion in the Membrane

Proteins show rotational as well as lateral diffusion across the membrane. The lateral diffusion of proteins was confirmed through the cell fusion experiment where mouse and human cells were fused, resulting in hybrid cells. When the human and mouse cells fused, the specific membrane proteins on human and mouse cells were marked with the red and green-fluorescent markers, respectively. Initially, the red and green fluorescence was located on the respective hemisphere of the cell. As time...
Intermolecular Forces and Physical Properties02:56

Intermolecular Forces and Physical Properties

Diffusion01:12

Diffusion

Diffusion is the passive movement of substances down their concentration gradients—requiring no expenditure of cellular energy. Substances, such as molecules or ions, diffuse from an area of high concentration to an area of low concentration in the cytosol or across membranes. Eventually, the concentration will even out, with the substance moving randomly but causing no net change in concentration. Such a state is called dynamic equilibrium, which is essential for maintaining overall...

You might also read

Related Articles

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

Sort by
Same author

Mitigating airborne pathogen risks in a full-scale meat processing facility.

Total environment microbiology·2026
Same author

Biochemically Programmable Isothermal PCR.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2024
Same author

Correction to: Meningococcal B Immunisation in Adults and Potential Broader Immunisation Strategies: A Narrative Review.

Infectious diseases and therapy·2023
Same author

Herpes Zoster Burden of Disease and Clinical Management in Turkey: A Comprehensive Literature Review.

Infectious diseases and therapy·2023
Same author

Meningococcal B Immunisation in Adults and Potential Broader Immunisation Strategies: A Narrative Review.

Infectious diseases and therapy·2023
Same author

How do renewable energy, gross capital formation, and natural resource rent affect economic growth in G7 countries? Evidence from the novel GMM-PVAR approach.

Environmental science and pollution research international·2023
Same journal

Intrinsic Superconducting Gap in Bilayer KCa<sub>2</sub>Fe<sub>4</sub>As<sub>4</sub>F<sub>2</sub> and Decoupled Monolayer FeAs.

Nano letters·2026
Same journal

Programmable Hydrogen-Assisted Chemical Vapor Deposition Growth and Bipolar Transport in Two-Dimensional MoO<sub>2</sub> Nanoflakes.

Nano letters·2026
Same journal

A Curvature-Modulated Strategy for Single-Atom Catalysts toward Reciprocal Regulation in Li-S Batteries.

Nano letters·2026
Same journal

Vacuum Pyrolysis Engineered CoSb/C Scaffold for Sodium Metal Anodes with Sodiophilic and Superionic Interphase.

Nano letters·2026
Same journal

Hexagonal SiGe Quantum Dots in Nanowires.

Nano letters·2026
Same journal

Monolithic Axial InGaAs Quantum Dot Emitters in GaAs-Based Nanowires via Sb-Mediated Facet Engineering.

Nano letters·2026
See all related articles

Related Experiment Video

Updated: Jun 17, 2026

Spot Variation Fluorescence Correlation Spectroscopy for Analysis of Molecular Diffusion at the Plasma Membrane of Living Cells
05:56

Spot Variation Fluorescence Correlation Spectroscopy for Analysis of Molecular Diffusion at the Plasma Membrane of Living Cells

Published on: November 12, 2020

Interfacial complexation explains anomalous diffusion in nanofluids.

Serdar Ozturk1, Yassin A Hassan, Victor M Ugaz

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

Nano Letters
|January 7, 2010
PubMed
Summary
This summary is machine-generated.

Researchers investigated anomalous diffusion in nanofluids and found that dye-nanoparticle complexation, not enhanced diffusion, causes observed phenomena. This finding impacts tracer studies and analytical methods for nanoparticle suspensions.

More Related Videos

Fluorescence Recovery after Merging a Droplet to Measure the Two-dimensional Diffusion of a Phospholipid Monolayer
07:54

Fluorescence Recovery after Merging a Droplet to Measure the Two-dimensional Diffusion of a Phospholipid Monolayer

Published on: October 15, 2015

Related Experiment Videos

Last Updated: Jun 17, 2026

Spot Variation Fluorescence Correlation Spectroscopy for Analysis of Molecular Diffusion at the Plasma Membrane of Living Cells
05:56

Spot Variation Fluorescence Correlation Spectroscopy for Analysis of Molecular Diffusion at the Plasma Membrane of Living Cells

Published on: November 12, 2020

Fluorescence Recovery after Merging a Droplet to Measure the Two-dimensional Diffusion of a Phospholipid Monolayer
07:54

Fluorescence Recovery after Merging a Droplet to Measure the Two-dimensional Diffusion of a Phospholipid Monolayer

Published on: October 15, 2015

Area of Science:

  • Fluid Dynamics
  • Materials Science
  • Nanotechnology

Background:

  • Recent reports suggest over 1000% enhancement in nanofluid mass transport properties.
  • These findings on anomalous diffusion in nanofluids require further confirmation and explanation.

Purpose of the Study:

  • To investigate anomalous diffusion phenomena in nanofluids using a microfluidic approach.
  • To identify interactions between nanoparticles, surfactants, and dyes in suspensions.

Main Methods:

  • Utilized a microfluidic system for direct probing of tracer diffusion.
  • Replicated conditions from previous studies on nanofluids.

Main Results:

  • Observed spontaneous formation of highly focused, fluorescent plumes at fluid stream interfaces.
  • Identified strong complexation interactions between dyes and nanoparticles.
  • Demonstrated that phenomena are driven by competition between tracer transport and dye-nanoparticle complexation.

Conclusions:

  • Anomalous diffusion enhancement in previous studies was likely misinterpreted.
  • Dye-nanoparticle complexation is the primary driver of observed phenomena.
  • Findings are crucial for designing tracer-based studies of nanoparticle suspensions and developing new analytical methods.