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

Colloids and Suspensions01:17

Colloids and Suspensions

3.0K
Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles visible to the naked eye or seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. The suspended particles in a suspension settle out after some time of mixing. The separation of particles from a suspension is...
3.0K

You might also read

Related Articles

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

Sort by
Same author

Hard meets soft: tuning binary ferrofluids.

Nanoscale·2026
Same author

The impact of cross-linker distribution on magnetic nanogels: encapsulation, transport and controlled release of the tracer.

Soft matter·2024
Same author

Core-shell nanogels: the effects of morphology, electro- and magnetostatic interactions.

Soft matter·2024
Same author

Structure and dynamics in suspensions of magnetic platelets.

Nanoscale·2024
Same author

Magnetostatic response and field-controlled haloing in binary superparamagnetic mixtures.

Physical review. E·2024
Same author

Relating the length of a magnetic filament with solvophobic, superparamagnetic colloids to its properties in applied magnetic fields.

Physical review. E·2023

Related Experiment Video

Updated: Jan 15, 2026

Combining Microfluidics and Microrheology to Determine Rheological Properties of Soft Matter during Repeated Phase Transitions
11:38

Combining Microfluidics and Microrheology to Determine Rheological Properties of Soft Matter during Repeated Phase Transitions

Published on: April 19, 2018

8.4K

Rheology of Magnetic Nanogel Suspensions.

Ivan S Novikau1, Sofia S Kantorovich1

  • 1Faculty of Physics, University of Vienna, Boltzmanngasse 5, 1090 Vienna, Austria.

The Journal of Physical Chemistry. B
|January 13, 2026
PubMed
Summary

Magnetic nanogels (MNGs) show tunable rheology via magnetic fields. Researchers developed a simulation to measure MNG viscosity, revealing how magnetic fields control flow and deformation for applications like drug delivery.

More Related Videos

Magnetic and Thermal-sensitive PolyN-isopropylacrylamide-based Microgels for Magnetically Triggered Controlled Release
08:39

Magnetic and Thermal-sensitive PolyN-isopropylacrylamide-based Microgels for Magnetically Triggered Controlled Release

Published on: July 4, 2017

9.4K
Quantifying Mixing using Magnetic Resonance Imaging
07:33

Quantifying Mixing using Magnetic Resonance Imaging

Published on: January 25, 2012

11.4K

Related Experiment Videos

Last Updated: Jan 15, 2026

Combining Microfluidics and Microrheology to Determine Rheological Properties of Soft Matter during Repeated Phase Transitions
11:38

Combining Microfluidics and Microrheology to Determine Rheological Properties of Soft Matter during Repeated Phase Transitions

Published on: April 19, 2018

8.4K
Magnetic and Thermal-sensitive PolyN-isopropylacrylamide-based Microgels for Magnetically Triggered Controlled Release
08:39

Magnetic and Thermal-sensitive PolyN-isopropylacrylamide-based Microgels for Magnetically Triggered Controlled Release

Published on: July 4, 2017

9.4K
Quantifying Mixing using Magnetic Resonance Imaging
07:33

Quantifying Mixing using Magnetic Resonance Imaging

Published on: January 25, 2012

11.4K

Area of Science:

  • Soft Matter Physics
  • Materials Science
  • Biophysics

Background:

  • Magnetic nanogels (MNGs) are polymer networks with embedded magnetic nanoparticles (MNPs) offering remote control via magnetic fields.
  • Their potential in drug delivery and hyperthermia is significant, but their rheological properties require deeper understanding.
  • Understanding MNG rheology is crucial for optimizing their application performance.

Purpose of the Study:

  • To investigate the rheological behavior of magnetic nanogels (MNGs) under various magnetic field conditions.
  • To quantify the effects of magnetic field strength, direction, and MNP concentration on MNG viscosity.
  • To differentiate the rheological responses of deformable MNGs from rigid colloids.

Main Methods:

  • Developed an in silico planar rheometer by integrating Lattice-Boltzmann-based Navier-Stokes equations with molecular dynamics simulations.
  • Performed steady shear experiments on MNG suspensions to measure viscosity.
  • Analyzed the influence of uniform and rotating external magnetic fields (H⃗), MNG concentration, and inter-particle interactions.

Main Results:

  • Applied magnetic fields (H⃗) were found to impede colloid rotation and increase suspension viscosity.
  • Rotating magnetic fields induced shear flow in MNG suspensions that were otherwise static.
  • Significant differences in rheological behavior were observed between deformable MNGs and rigid colloidal particles.

Conclusions:

  • The study provides a computational framework for understanding MNG rheology.
  • Magnetic fields offer precise control over MNG suspension flow properties.
  • Deformable MNGs exhibit distinct rheological responses compared to rigid particles, highlighting their unique potential.