Roadmap on magnetic nanoparticles in nanomedicine

Area of Science:

• Nanotechnology
• Materials Science
• Biomedical Engineering

Background:

• Magnetic nanoparticles (MNPs) are nanoscale materials (1-100 nm) with unique magnetic and physicochemical properties.
• Their applications have surged across biomedical, environmental, and technological fields due to their magnetic manipulability.
• MNPs are utilized in targeted therapies, imaging, and drug delivery, leveraging external magnetic fields for precise guidance.

Purpose of the Study:

• To provide a comprehensive overview of magnetic nanoparticles (MNPs).
• To cover the current status, challenges, and advancements in MNP research.
• To highlight MNP applications, particularly in the biomedical domain, and discuss safety considerations.

Main Methods:

• Review of current literature on magnetic nanoparticles.
• Synthesis, functionalization, and characterization techniques for MNPs.
• Exploration of diverse applications including imaging, drug delivery, and hyperthermia.

Main Results:

• MNPs exhibit versatile properties enabling applications in sample enrichment, bioassays, imaging, hyperthermia, neuromodulation, tissue engineering, and drug/gene delivery.
• External magnetic fields allow for precise control and targeting of MNPs in biomedical applications.
• Emerging concerns regarding MNP cytotoxicity, cellular uptake, and degradation necessitate further investigation for in vivo use.

Conclusions:

• Magnetic nanoparticles are promising tools with broad applications, especially in biomedicine.
• Further research is crucial to address safety concerns like cytotoxicity and degradation for successful in vivo translation.
• This roadmap provides a holistic view of MNP research, guiding future advancements and clinical integration.