Increasing the sensitivity of hyperpolarized [15 N2 ]urea detection by serial transfer of polarization to spin-coupled protons.
Felix KreisAlan J WrightVencel SomaiRachel Katz-BrullKevin M BrindlePublished in: Magnetic resonance in medicine (2020)
The sequence gave an SNR increase that was close to the theoretical limit and can give a significant SNR benefit when compared to direct 13 C detection of hyperpolarized [13 C]urea.