Quantifying the effects of quadrupolar sinks<i>via</i><sup>15</sup>N relaxation dynamics in metronidazoles hyperpolarized<i>via</i>SABRE-SHEATH
Jonathan R. Birchall, Mohammad Shah Hafez Kabir, Oleg G. Salnikov, Nikita V. Chukanov, Alexandra Svyatova, Kirill V. Kovtunov, Igor V. Koptyug, Juri G. Gelovani, Boyd M. Goodson, Wellington Pham, Eduard Y. Chekmenev
Abstract
The presence of<sup>14</sup>N nucleus in the scalar coupling network results in a 3-fold decrease of<sup>15</sup>N<italic>T</italic><sub>1</sub>and polarization values for all<sup>15</sup>N sites in<sup>15</sup>N<sub>2</sub>-metronidazole<italic>versus</italic><sup>15</sup>N<sub>3</sub>-metronidazole in SABRE hyperpolarization in microtesla fields.
Topics & Concepts
Hyperpolarization (physics)PhysicsChemistryRelaxation (psychology)Nuclear magnetic resonanceAtomic physicsNuclear magnetic resonance spectroscopySocial psychologyPsychologyAdvanced NMR Techniques and ApplicationsSolid-state spectroscopy and crystallographyElectron Spin Resonance Studies