Magnetic Nanoparticles Supporting Bio-responsive T1/T2 Magnetic Resonance Imaging

  • Ellis C
  • Pellico J
  • Davis J
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Abstract

The use of nanoparticulate systems as contrast agents for magnetic resonance imaging (MRI) is well-established and known to facilitate an enhanced image sensitivity within scans of a particular pathological region of interest. Such a capability can enable both a non-invasive diagnosis and the monitoring of disease progression/response to treatment. In this review, magnetic nanoparticles that exhibit a bio-responsive MR relaxivity are discussed, with pH-, enzyme-, biomolecular-, and protein-responsive systems considered. The ability of a contrast agent to respond to a biological stimulus provides not only enriched diagnostic capabilities over corresponding non-responsive analogues, but also an improved longitudinal monitoring of specific physiological conditions.

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Ellis, C. M., Pellico, J., & Davis, J. J. (2019). Magnetic Nanoparticles Supporting Bio-responsive T1/T2 Magnetic Resonance Imaging. Materials, 12(24), 4096. https://doi.org/10.3390/ma12244096

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