Journal
BIOCONJUGATE CHEMISTRY
Volume 30, Issue 10, Pages 2502-2518Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.bioconjchem.9b00582
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Funding
- National Cancer Center grant, Republic of Korea [1910070, 1810943, 1810170]
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Unlike conventional H-1 magnetic resonance imaging (MRI), F-19 MRI features unambiguous detection of fluorine spins due to negligible background signals. Therefore, it is considered a promising noninvasive and selective imaging method for the diagnosis of cancers and other diseases. For F-19 MRI, fluorine-rich molecules such as perfluorocarbons (PFC) have been formulated into nanoemulsions and used as its tracer agent. Along with advancements in other types of nanoparticles as targeted theranostics and stimuli-triggered probes and combined with the advantages of F-19 MRI, PFC nanoemulsions are being empowered with these additional functionalities and becoming a promising theranostic platform. In this Review, we provide an overview of fluorine-based materials for sensitive F-19 MRI of biological and pathological conditions. In particular, we describe designs and applications of recently reported stimuli-responsive and theranostic F-19 MRI probes. Finally, challenges and future perspectives regarding the further development of F-19 MRI probes for their clinical applications are described.
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