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Abstract #3566

Order-Unity 13C Nuclear Polarization of [1-13C]Pyruvate in Seconds

Eduard Y Chekmenev1, Patrick TomHon2, Mohammad S. H. Kabir3, Shiraz Nantogma3, Mustapha Abdulmojeed2, Iuliia Mandzhieva2, Jessica Ettedgui4, Rolf E. Swenson4, Murali C. Krishna5, Thomas Theis2, Boyd M. Goodson6, and Isaiah Adelabu3
1Chemistry and Oncology, Wayne State University, Detroit, MI, United States, 2Chemistry, North Carolina State University, Raleigh, NC, United States, 3Chemistry, Wayne State University, Detroit, MI, United States, 4National Heart, Lung, and Blood Institute, Bethesda, MD, United States, 5National Cancer Institute, Bethesda, MD, United States, 6Southern Illinois University Carbondale, Carbondale, IL, United States

Synopsis

This presentation covers the recent advances in spin physics and instrumentation of Signal Amplification By Reversible Exchange (SABRE) in SHield Enables Alignment Transfer to Heteronuclei (SHEATH). Order unity 13C polarization for [1-13C]pyruvate was demonstrated for catalyst-bound species by SABRE-SHEATH, which becomes possible due to favorable 13C relaxation dynamics in a microtesla magnetic field. The magnetic field, temperature and co-solvents heavily modulate the attainable 13C polarization, providing an opportunity for optimization to deliver highly polarized [1-13C]pyruvate quickly and cheaply for biomedical applications. The design of clinical-scale hyperpolarizer is described for production of [1-13C]pyruvate and other metabolically relevant hyperpolarized contrast agents.

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