A new chemical compound that works with magnetic resonance spectroscopy (MRS) could reduce the need for patients to undergo invasive diagnostic tests.

MRS is a technique that allows for the measurement of chemicals within the body and brain without removing tissue or blood samples and without requiring radioactive tracers. The technology relies on the absorption of radiofrequency radiation to move nuclei between the energy levels created in a magnetic field. A good signal-to-noise ratio requires several pulses of radiation. Between each pulse, the system must be allowed to relax, or re-equilibrate.

MRS probes with fluorine 19 have shown promise in imaging, in part ...

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