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Related Concept Videos

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Nuclear magnetic resonance (NMR) spectroscopy is a very valuable analytical technique for researchers. It has been used for more than 50 years as an analytical tool. F. Bloch and E. Purcell formulated NMR in 1946 and won the 1952 Nobel Prize in Physics  for their work. Biological macromolecules such as proteins, nucleic acids, lipids, and organic molecules including pharmaceutical compounds, can be studied using this versatile tool that exploits the magnetic properties of certain nuclei.
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Biomedical Applications of Advanced Multifunctional Magnetic Nanoparticles.

Nguyen Viet Long, Yong Yang, Toshiharu Teranishi

    Journal of Nanoscience and Nanotechnology
    |December 19, 2015
    PubMed
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    This summary is machine-generated.

    This review highlights the use of noble metal and magnetic nanoparticles for biomedical applications, focusing on functional magnetic nanoparticles for nanomedicine. These engineered nanoparticles show promise for targeted cancer therapy and advanced imaging techniques.

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    Area of Science:

    • Biomedical Engineering
    • Nanotechnology
    • Materials Science

    Background:

    • Noble metal (gold, silver, platinum) and magnetic (cobalt, nickel, iron) nanoparticles, along with their compounds, are explored for treating diseases, particularly cancers.
    • Physical and chemical synthesis methods enable precise control over metal- and oxide-based nanoparticle systems.
    • Functional magnetic nanoparticles are emphasized for nanomedicine due to their bioadaptability within the human body.

    Purpose of the Study:

    • To present the latest results and applications of noble metal and magnetic nanoparticles in biomedicine.
    • To focus on functional magnetic nanoparticles for nanomedicine, including their synthesis, biofunctionalization, and applications.
    • To review recent advancements in nanoparticle-based diagnosis and treatment of common and dangerous diseases.

    Main Methods:

    • Bioconjugation techniques to link nanoparticles with drugs, biomolecules, or polymers.
    • Biofunctionalization of nanoparticles for in vitro and in vivo analysis.
    • Application of magnetic nanoparticles in drug delivery, hyperthermia therapy, and magnetic resonance imaging (MRI), including sweep imaging technique with Fourier transformation (SWIFT) MRI.

    Main Results:

    • Engineered nanoparticles, particularly iron oxide nanoparticles, demonstrate potential for tumor-targeted imaging and therapy.
    • Magnetic nanoparticles (Co-, Fe-, Ni-based, α-Fe2O3, Fe3O4) are effective for analyzing and treating malignancies.
    • Hybrid micronano systems and core-shell nanoparticles show promise for efficient, low-cost treatment of large tumors.

    Conclusions:

    • Nanoparticles offer versatile platforms for advanced biomedical applications, including diagnosis and therapy.
    • Functional magnetic nanoparticles are crucial for developing next-generation nanomedicine.
    • Future research directions include optimizing iron-based and core-shell nanoparticles for cost-effective cancer treatment.