Novel Magnetic Nanodiscs Offer New Hope for Neurological and Psychiatric Conditions
Researchers at the Massachusetts Institute of Technology (MIT) have made a groundbreaking discovery in the field of brain stimulation. A team led by Professor Polina Anikeeva has developed innovative magnetic nanodiscs that can stimulate brain neurons without invasive implants or genetic modification.
The Breakthrough
These tiny discs, measuring 250 nanometers in diameter (about 1/500 the width of a human hair), can be injected into specific brain regions. When exposed to a magnetic field, they produce electrical pulses that stimulate neurons.
How it Works
- Magnetic core changes shape when magnetized.
- Piezoelectric shell induces strain, generating electrical polarization.
- Composite particles deliver electrical pulses to neurons.
Advantages
- Non-invasive: No surgical implantation required.
- Targeted stimulation: Precise control over brain regions.
- No genetic modification: Suitable for human use.
Potential Applications
- Deep brain stimulation for neurological conditions (Parkinson’s, OCD).
- Biomedical research: Studying brain function and behavior.
- Clinical applications: Treatment of various neurological and psychiatric disorders.
The Future of Brain Stimulation
This technology has the potential to revolutionize the treatment of neurological and psychiatric conditions. With further research and testing, these magnetic nanodiscs may become a valuable tool for clinicians and researchers alike.
Reference
“Magnetoelectric nanodiscs for remote magnetic brain stimulation” (Nature Nanotechnology, 2024)
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