Multifunctional Iron Oxide Nanoparticles as Promising Magnetic Biomaterials in Drug Delivery: A Review

Area of Science:

• Biomedical Engineering
• Materials Science
• Nanotechnology

Background:

• Functionalized magnetic nanoparticles (MNPs) are increasingly utilized in biomedical and biotechnological applications.
• Their unique magnetic properties enable targeted delivery and enhanced biosubstance binding.
• Advanced multifunctional bio-composites are designed by integrating magnetic materials with organic polymers.

Purpose of the Study:

• To review synthesis strategies and surface functionalization techniques for magnetic nanoparticles (MNPs).
• To highlight the potential of MNPs as magnetic biomaterials, particularly in drug delivery systems.
• To discuss the mechanisms, key factors, toxicity, and limitations of MNP-based drug delivery.

Main Methods:

• Literature review of MNP synthesis and functionalization methods.
• Analysis of MNP applications in drug delivery, imaging, sensing, and diagnostics.
• Discussion of MNP-based drug delivery mechanisms and influencing factors.

Main Results:

• MNPs serve as effective nanocarriers for targeted drug delivery guided by external magnetic fields.
• Functionalized MNPs demonstrate high specificity, efficiency, and bioavailability in various bio-applications.
• MNPs are versatile tools for imaging, diagnostics, and therapeutic interventions.

Conclusions:

• Magnetic nanoparticles represent promising magnetic biomaterials for advanced biomedical applications, especially in drug delivery.
• Further research into MNP toxicity and limitations is crucial for optimizing their clinical use.
• The integration of MNPs into bio-composites enhances therapeutic strategies and disease management.