[HTML][HTML] 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) …

Cellular Applications of DNP Solid‐State NMR–State of the Art and a Look to the Future

D Beriashvili, J Zhou, Y Liu, GE Folkers… - … –A European Journal, 2024 - Wiley Online Library
Sensitivity enhanced dynamic nuclear polarization solid‐state NMR is emerging as a
powerful technique for probing the structural properties of conformationally homogenous …

[HTML][HTML] Exploiting solid-state dynamic nuclear polarization NMR spectroscopy to establish the spatial distribution of polymorphic phases in a solid material

SF Cousin, CE Hughes, F Ziarelli, S Viel, G Mollica… - Chemical …, 2023 - pubs.rsc.org
Solid-state DNP NMR can enhance the ability to detect minor amounts of solid phases within
heterogenous materials. Here we demonstrate that NMR contrast based on the transport of …

The CW-EPR Capabilities of a Dual DNP/EPR Spectrometer Operating at 14 and 7 T

O Nir-Arad, DH Shlomi, A Israelstam, T Amit… - Journal of Magnetic …, 2024 - Elsevier
High-field electron paramagnetic resonance (EPR) measurements are indispensable for a
better understanding of dynamic nuclear polarization (DNP), which relies on polarization …

Role of Protons in and around Strongly Coupled Nitroxide Biradicals for Cross-Effect Dynamic Nuclear Polarization

S Chatterjee, A Venkatesh, ST Sigurdsson… - The Journal of …, 2024 - ACS Publications
In magic angle spinning dynamic nuclear polarization (DNP), biradicals such as bis-
nitroxides are used to hyperpolarize protons under microwave irradiation through the cross …

Rational Design of Dinitroxide Polarizing Agents for Dynamic Nuclear Polarization to Enhance Overall NMR Sensitivity

A Venkatesh, G Casano, R Wei, Y Rao… - Angewandte …, 2024 - Wiley Online Library
We evaluate the overall sensitivity gains provided by a series of eighteen nitroxide biradicals
for dynamic nuclear polarization (DNP) solid‐state NMR at 9.4 T and 100 K, including eight …

[HTML][HTML] AsymPol-TEKs as efficient polarizing agents for MAS-DNP in glass matrices of non-aqueous solvents

R Harrabi, T Halbritter, S Alarab, S Chatterjee… - Physical Chemistry …, 2024 - pubs.rsc.org
Two polarizing agents from the AsymPol family, AsymPol-TEK and cAsymPol-TEK (methyl-
free version) are introduced for MAS-DNP applications in non-aqueous solvents. The …

Efficient 18.8 T MAS-DNP NMR reveals hidden side chains in amyloid fibrils

A Lends, N Birlirakis, X Cai, A Daskalov… - Journal of Biomolecular …, 2023 - Springer
Amyloid fibrils are large and insoluble protein assemblies composed of a rigid core
associated with a cross-β arrangement rich in β-sheet structural elements. It has been widely …

Exploring the crystallisation of aspirin in a confined porous material using solid-state nuclear magnetic resonance

M Juramy, E Besson, S Gastaldi, F Ziarelli, S Viel… - Faraday …, 2024 - pubs.rsc.org
In this study, nuclear magnetic resonance (NMR) is used to investigate the crystallisation
behaviour of aspirin within a mesoporous SBA-15 silica material. The potential of dynamic …

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 …