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

Magnetism01:30

Magnetism

6.3K
Magnets are commonly found in everyday objects, such as toys, hangers, elevators, doorbells, and computer devices. Experimentation on these magnets shows that all magnets have two poles: one is labeled north (N) and the other south (S). Magnetic poles repel if they are alike and attract if unlike. Moreover, both poles of a magnet attract unmagnetized pieces of iron.
An individual magnetic pole cannot be isolated. No matter how small, every piece of a magnet contains a north pole and a south...
6.3K
Potential Due to a Magnetized Object01:24

Potential Due to a Magnetized Object

266
Magnetic dipoles in magnetic materials are aligned when placed under an external magnetic field. For paramagnets and ferromagnets, dipole alignment occurs in the direction of the magnetic field. However, the dipoles align opposite to the field in the case of diamagnets. This state of magnetic polarization due to the external field is called magnetization. Magnetization is defined as the dipole moment per unit volume. It plays a similar role to polarization in electrostatics.
The vector...
266

You might also read

Related Articles

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

Sort by
Same author

Magnetoelectric microrobots for spinal cord injury regeneration.

Nature materials·2026
Same author

Elevated trimethylamine levels characterize impaired muscle mass response to leucine-enriched protein supplementation in older adults at risk of sarcopenia.

npj aging·2026
Same author

Magnetoelectric Nanoparticle-Based Wireless Brain-Computer Interface: Underlying Physics and Projected Technology Pathway.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Biocompatible Magnetopyroelectric Composite Films for Cell Stimulation.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Photothermal Properties of Nanostructured Black Titanium Dioxide for Targeted Cellular and Microbial Elimination.

ACS omega·2026
Same author

Magnetoelectric core-shell nanoparticles for nervous tissue electrostimulation: Performance in In vitro and ex vivo organotypic cultures.

Acta biomaterialia·2025
Same journal

Cell-Type-Specific Bidirectional Modulation of the Cortico-Thalamo-Cortical Sensory Pathway by Transcranial Focused Ultrasound (tFUS).

Brain stimulation·2026
Same journal

Reversible Hyperphagia and Weight Gain Related to Hypothalamic Current Spread during Pallidothalamic Tract Deep Brain Stimulation.

Brain stimulation·2026
Same journal

Parameter Specific Modulation of Neuronal Firing and Extracellular Action Potential Dynamics by Transcranial Focused Ultrasound Stimulation in Rat Motor Cortex.

Brain stimulation·2026
Same journal

Affect and Self-Control Outcomes Following DLPFC and Medial Orbitofrontal rTMS in Tobacco Use Disorder: Secondary Analyses from a Randomized Sham-Controlled Trial.

Brain stimulation·2026
Same journal

Feasibility and optimization of a novel, cranially-mounted deep brain stimulation device for children with epilepsy - the CADET Pilot study.

Brain stimulation·2026
Same journal

Effect of Individualized High-Definition Transcranial Alternating Current Stimulation for Suicidal Ideation in Depression: A Randomized Clinical Trial.

Brain stimulation·2026
See all related articles

Related Experiment Video

Updated: Jun 14, 2025

Fabrication of Magnetic Platforms for Micron-Scale Organization of Interconnected Neurons
09:54

Fabrication of Magnetic Platforms for Micron-Scale Organization of Interconnected Neurons

Published on: July 14, 2021

4.8K

Controlling action potentials with magnetoelectric nanoparticles.

Elric Zhang1, Max Shotbolt2, Chen-Yu Chang3

  • 1Department of Electrical and Computer Engineering, University of Miami, Coral Gables, FL, USA.

Brain Stimulation
|August 29, 2024
PubMed
Summary
This summary is machine-generated.

Magneto-Electric Nanoparticle (MENP) neuromodulation offers a wireless, non-invasive method for brain stimulation. This study optimized MENP properties and magnetic field parameters, demonstrating significant neural activity changes and inhibition, paving the way for new therapeutic approaches.

More Related Videos

Magnetic Adjustment of Afterload in Engineered Heart Tissues
09:40

Magnetic Adjustment of Afterload in Engineered Heart Tissues

Published on: May 5, 2020

5.9K
Gold Nanorod-assisted Optical Stimulation of Neuronal Cells
09:31

Gold Nanorod-assisted Optical Stimulation of Neuronal Cells

Published on: April 27, 2015

9.0K

Related Experiment Videos

Last Updated: Jun 14, 2025

Fabrication of Magnetic Platforms for Micron-Scale Organization of Interconnected Neurons
09:54

Fabrication of Magnetic Platforms for Micron-Scale Organization of Interconnected Neurons

Published on: July 14, 2021

4.8K
Magnetic Adjustment of Afterload in Engineered Heart Tissues
09:40

Magnetic Adjustment of Afterload in Engineered Heart Tissues

Published on: May 5, 2020

5.9K
Gold Nanorod-assisted Optical Stimulation of Neuronal Cells
09:31

Gold Nanorod-assisted Optical Stimulation of Neuronal Cells

Published on: April 27, 2015

9.0K

Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Materials Science

Background:

  • Developing non-invasive wireless brain stimulation is crucial for treating neurological diseases.
  • Current neuromodulation methods often have limitations, including invasiveness or complications.
  • Magneto-Electric Nanoparticle (MENP) neuromodulation is a novel approach converting magnetic fields to electric fields for neural stimulation.

Purpose of the Study:

  • To experimentally validate the potential of MENP neuromodulation.
  • To optimize MENP properties and magnetic field parameters for enhanced efficacy.
  • To investigate the use of MENPs for both stimulating and inhibiting neural activity.

Main Methods:

  • Utilized non-linear properties of rectangular prism MENPs tailored to magnetic field strength and frequency.
  • Conducted in vitro experiments on rat hippocampus neurons, measuring neural activity.
  • Employed linear mixed-effect models to analyze synchronized firing patterns and ensure statistical independence.

Main Results:

  • 87.5% of stimulation attempts with MENPs yielded statistically significant changes in neural activity (P < 0.05).
  • 58.3% of attempts resulted in large changes (P < 0.01), demonstrating effective neuromodulation.
  • Negative controls without MENPs showed no significant changes, validating the nanoparticles' role.
  • Direct current (DC) magnetic fields with MENPs demonstrated significant neuron inhibition (P < 0.01).

Conclusions:

  • Magnetoelectric neuromodulation with MENPs shows promise for non-invasive, wireless brain stimulation.
  • Optimized MENP shape and tailored magnetic fields are key to effective neuromodulation.
  • MENPs offer a tunable "On/Off" mechanism for neural activity control, potentially matching conventional electrode efficacy without invasiveness.