Spin hyperpolarization in modern magnetic resonance

J Eills, D Budker, S Cavagnero, EY Chekmenev… - Chemical …, 2023 - ACS Publications
Magnetic resonance techniques are successfully utilized in a broad range of scientific
disciplines and in various practical applications, with medical magnetic resonance imaging …

Dynamic nuclear polarization for sensitivity enhancement in biomolecular solid-state NMR

T Biedenbänder, V Aladin, S Saeidpour… - Chemical …, 2022 - ACS Publications
Solid-state NMR with magic-angle spinning (MAS) is an important method in structural
biology. While NMR can provide invaluable information about local geometry on an atomic …

Polarizing agents for efficient high field DNP solid-state NMR spectroscopy under magic-angle spinning: from design principles to formulation strategies

G Menzildjian, J Schlagnitweit, G Casano, O Ouari… - Chemical …, 2023 - pubs.rsc.org
Dynamic Nuclear Polarization (DNP) has recently emerged as a cornerstone approach to
enhance the sensitivity of solid-state NMR spectroscopy under Magic Angle Spinning (MAS) …

Dynamic nuclear polarization with trityl radicals

RS Palani, M Mardini, Y Quan, RG Griffin - Journal of Magnetic Resonance, 2023 - Elsevier
Despite the expanding applications of dynamic nuclear polarization (DNP) to problems in
biological and materials science, there remain unresolved questions concerning DNP …

Multi Electron Spin Cluster Enabled Dynamic Nuclear Polarization with Sulfonated BDPA

C Tobar, K Albanese, R Chaklashiya… - The Journal of …, 2023 - ACS Publications
Dynamic nuclear polarization (DNP) can amplify the solid-state nuclear magnetic resonance
(NMR) signal by several orders of magnitude. The mechanism of DNP utilizing α, γ …

Dynamic Nuclear Polarization with Conductive Polymers

Q Stern, G Verhaeghe, T El Daraï… - Angewandte Chemie …, 2024 - Wiley Online Library
The low sensitivity of liquid‐state nuclear magnetic resonance (NMR) can be overcome by
hyperpolarizing nuclear spins by dissolution dynamic nuclear polarization (dDNP). It …

Methyl-driven overhauser dynamic nuclear polarization

FA Perras, DF Flesariu, SA Southern… - The Journal of …, 2022 - ACS Publications
The Overhauser effect is unique among DNP mechanisms in that it requires the modulation
of the electron–nuclear hyperfine interactions. While it dominates DNP in liquids and metals …

Solid-like Dynamic Nuclear Polarization Observed in the Fluid Phase of Lipid Bilayers at 9.4 T

AA Kuzhelev, D Dai, V Denysenkov… - Journal of the American …, 2022 - ACS Publications
Dynamic nuclear polarization (DNP) is a powerful method to enhance NMR sensitivity. Much
progress has been achieved recently to optimize DNP performance at high magnetic fields …

Resonant mixing dynamic nuclear polarization

Y Quan, Y Ouyang, M Mardini, RS Palani… - The Journal of …, 2023 - ACS Publications
We propose a mechanism for dynamic nuclear polarization that is different from the well-
known Overhauser effect, solid effect, cross effect, and thermal mixing processes. We term it …

Characterization of dielectric properties and their impact on MAS-DNP NMR applications

FJ Scott, T Dubroca, RW Schurko, S Hill… - Journal of Magnetic …, 2024 - Elsevier
The dielectric properties of materials play a crucial role in the propagation and absorption of
microwave beams employed in Magic Angle Spinning− Dynamic Nuclear Polarization (MAS …