Novel Nanoparticle Contrast Agents for Magnetic Resonance Imaging

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Magnetic resonance imaging (MRI) is an important diagnostic tool in both clinical and research environments. In order to improve sensitivity, contrast agents (CAs) are often administered prior to or during imaging sessions. We have been developing a number of novel nanoparticle CAs consisting of metal-oxo clusters with high spins (molecular magnets) encapsulated in polymer nanocarriers. The pure clusters show good relaxivities, which can be further enhanced by encapsulation in the polymers. In some cases, values comparable to or larger than those of commercially available CAs can be achieved. We will report on the contrast enhancement from several of these nanoparticles in both phantom and in vivo images.

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Journal: TechConnect Briefs
Volume: TechConnect Briefs 2022
Published: June 13, 2022
Pages: 115 - 118
Industry sector: Medical & Biotech
Topics: Biomaterials, Diagnostics & Bioimaging
ISBN: 979-8-218-00238-1