19 F MRI signal-enhancement by photo-chemically induced dynamic nuclear polarization enables spatially-resolved detection of sub-nmol amount of the antiviral drug favipiravir
Johannes Bernarding,
Christian Bruns,
Isabel Prediger
et al.
Abstract:In biological tissues, 19F magnetic resonance (MR) enables the non-invasive, background-free detection of 19F-containing biomarkers. However, the signal-to-noise ratio (SNR) is usually low because biomarkers are typically present at low concentrations. Measurements at low magnetic fields further reduce the SNR. We therefore applied LED-based photo-chemically induced dynamic nuclear polarization (photo-CIDNP) to amplify the 19F signal at 0.6 T. For the first time, 19F MR imaging (MRI) and spectroscopy (MRS) of … Show more
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