Spin hyperpolarization in modern magnetic resonance
Magnetic resonance techniques are successfully utilized in a broad range of scientific
disciplines and in various practical applications, with medical magnetic resonance imaging …
disciplines and in various practical applications, with medical magnetic resonance imaging …
Robust parahydrogen-induced polarization at high concentrations
Parahydrogen-induced polarization (PHIP) is a potent technique for generating target
molecules with high nuclear spin polarization. The PHIP process involves a chemical …
molecules with high nuclear spin polarization. The PHIP process involves a chemical …
In Situ Hyperpolarization Enables 15N and 13C Benchtop NMR at Natural Isotopic Abundance
R Kircher, J Xu, DA Barskiy - Journal of the American Chemical …, 2023 - ACS Publications
Without employing isotopic labeling, we demonstrate the generation of 15N and 13C NMR
signals for molecules containing− NH2 motifs using benchtop NMR spectrometers (1–1.4 T) …
signals for molecules containing− NH2 motifs using benchtop NMR spectrometers (1–1.4 T) …
[HTML][HTML] Long live the singlet state!
MH Levitt - Journal of Magnetic Resonance, 2019 - Elsevier
The field of long-lived states in NMR is reviewed. The relationship of long-lived-state
phenomena to those associated with spin isomerism is discussed. A brief overview is given …
phenomena to those associated with spin isomerism is discussed. A brief overview is given …
Symmetry versus entropy: Long-lived states and coherences
In recent years, new molecular symmetry-based approaches for magnetic resonance have
been invented. The implications of these discoveries will be significant for molecular …
been invented. The implications of these discoveries will be significant for molecular …
Singlet-filtered NMR spectroscopy
Selectively studying parts of proteins and metabolites in tissue with nuclear magnetic
resonance promises new insights into molecular structures or diagnostic approaches …
resonance promises new insights into molecular structures or diagnostic approaches …
Singlet order conversion and parahydrogen-induced hyperpolarization of 13C nuclei in near-equivalent spin systems
We have demonstrated two radiofrequency pulse methods which convert the nuclear singlet
order of proton spin pairs into the magnetisation of nearby 13 C nuclei. These irradiation …
order of proton spin pairs into the magnetisation of nearby 13 C nuclei. These irradiation …
Polychromatic excitation of delocalized long-lived proton spin states in aliphatic chains
A Sonnefeld, G Bodenhausen, K Sheberstov - Physical Review Letters, 2022 - APS
Long-lived states (LLS) involving pairs of magnetically inequivalent but chemically
equivalent proton spins in aliphatic (CH 2) n chains can be excited by simultaneous …
equivalent proton spins in aliphatic (CH 2) n chains can be excited by simultaneous …
Symmetry-based singlet–triplet excitation in solution nuclear magnetic resonance
ABSTRACT Coupled pairs of spin-1/2 nuclei support one singlet state and three triplet
states. In many circumstances, the nuclear singlet order, defined as the difference between …
states. In many circumstances, the nuclear singlet order, defined as the difference between …
Parahydrogen-induced polarization and spin order transfer in ethyl pyruvate at high magnetic fields
Nuclear magnetic resonance has experienced great advances in developing and translating
hyperpolarization methods into procedures for fundamental and clinical studies. Here, we …
hyperpolarization methods into procedures for fundamental and clinical studies. Here, we …