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Contrast agents and mechanisms. | LitMetric
MRI contrast agents are routinely used in clinical settings. Important advances in their design have been attained in the past few years to overcome sensitivity issues and to make possible molecular imaging applications by means of this modality. Besides the sensitivity enhancement of paramagnetic relaxation probes, outstanding results have been obtained in the development of novel classes of frequency-encoding agents such as chemical exchange saturation transfer and hyperpolarized (13)C-enriched molecules.:
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