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Stimuli-Responsive Polymers for Advanced 19F Magnetic Resonance Imaging: From Chemical Design to Biomedical Applications
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DOI：10.1021/acs.biomac.4c00833.png)
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Abstract
En 中文
Fluorine magnetic resonance imaging (F-19 MRI) is a rapidly evolving research area with a high potential to advance the field of clinical diagnostics. In this review, we provide an overview of the recent progress in the field of fluorinated stimuli-responsive polymers applied as F-19 MRI tracers. These polymers respond to internal or external stimuli (e.g., temperature, pH, oxidative stress, and specific molecules) by altering their physicochemical properties, such as self-assembly, drug release, and polymer degradation. Incorporating noninvasive F-19 labels enables us to track the biodistribution of such polymers. Furthermore, by triggering polymer transformation, we can induce changes in F-19 MRI signals, including attenuation, amplification, and chemical shift changes, to monitor alterations in the environment of the tracer. Ultimately, this review highlights the emerging potential of stimuli-responsive fluoropolymer F-19 MRI tracers in the current context of polymer diagnostics research.
Keywords:
MRI CONTRAST AGENTS
REACTIVE OXYGEN
DRUG-DELIVERY
NANOPARTICLES
NANOPROBES
SYSTEMS