Magnetic nanoparticles are nanoscale particles, typically composed of iron oxides or other ferromagnetic and superparamagnetic materials, whose behavior in an applied magnetic field gives them distinctive functionality. They generally consist of a magnetic core surrounded by a stabilizing shell or surface coating th…
Magnetic nanoparticles are nanoscale particles, typically composed of iron oxides or other ferromagnetic and superparamagnetic materials, whose behavior in an applied magnetic field gives them distinctive functionality. They generally consist of a magnetic core surrounded by a stabilizing shell or surface coating that controls dispersion, prevents aggregation, and provides sites for attaching targeting molecules or therapeutic payloads. At sufficiently small sizes the particles become superparamagnetic, responding strongly to external fields while retaining no permanent magnetization once the field is removed, a property central to their applications. In biomedicine, magnetic nanoparticles are investigated for targeted drug delivery, in which magnetic guidance concentrates therapy at a desired site; for magnetic hyperthermia, in which alternating fields induce localized heating to damage tumor tissue; and as contrast agents in magnetic resonance imaging. Their large surface-area-to-volume ratio also supports use in separation, catalysis, and biosensing. Synthesis methods such as co-precipitation, thermal decomposition, and sol-gel routes control particle size, composition, and surface chemistry, which in turn govern magnetic strength, stability, and biocompatibility. Functionalization with polymers, silica, or biomolecules tailors the particles for specific targets while reducing toxicity. Studying magnetic nanoparticles integrates materials science, magnetism, and biomedical engineering to design particles whose magnetic, structural, and surface properties meet the demands of therapeutic, diagnostic, and technological applications.
7 peer-reviewed articles, ranked by relevance. Each links to its DOI.
The 7 articles above have been cited 216 times in the scholarly literature. Citation data via OpenAlex and Crossref, updated Jun 2026.
A sample of recent works citing this journal's research on Magnetic Nanoparticles, linking to each citing work.