Metal ions based dynamic nuclear polarization: MI-DNP

D Jardón-Álvarez, M Leskes - Progress in Nuclear Magnetic Resonance …, 2023 - Elsevier
Over the last two decades magic angle spinning dynamic nuclear polarization (MAS DNP)
has revolutionized NMR for materials characterization, tackling its main limitation of …

Role of electron spin dynamics and coupling network in designing dynamic nuclear polarization

A Equbal, SK Jain, Y Li, K Tagami, X Wang… - Progress in Nuclear …, 2021 - Elsevier
Dynamic nuclear polarization (DNP) has emerged as a powerful sensitivity booster of
nuclear magnetic resonance (NMR) spectroscopy for the characterization of biological …

High-field pulsed EPR spectroscopy under magic angle spinning

O Nir-Arad, AB Fialkov, DH Shlomi, N Manukovsky… - Science …, 2024 - science.org
In this work, we demonstrate the first pulsed electron paramagnetic resonance (EPR)
experiments performed under magic angle spinning (MAS) at high magnetic field. Unlike …

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 …

[HTML][HTML] Chemical composition of soil humin in an organic soil profile

J Gamage, P Voroney, AW Gillespie, J Longstaffe - Applied Geochemistry, 2024 - Elsevier
Humin is identified as the most recalcitrant fraction of soil organic matter, but its synthesis
and depth variability in the soil profile are unknown. Here, we suggest that carboxyl-rich …

Crossover from a Solid Effect to Thermal Mixing 1H Dynamic Nuclear Polarization with Trityl-OX063

A Equbal, Y Li, T Tabassum, S Han - The Journal of Physical …, 2020 - ACS Publications
Trityl-OX063 is a narrow-line, water-soluble, and biocompatible polarizing agent, widely
used for dynamic nuclear polarization (DNP) amplified NMR of 13C, but not of the abundant …

[KNYGA][B] Handbook of high field dynamic nuclear polarization

VK Michaelis, RG Griffin, B Corzilius, S Vega - 2019 - books.google.com
Addresses Dynamic Nuclear Polarization (DNP) as a technique for sensitivity-enhancement
in solid-state NMR spectroscopy This comprehensive handbook is a compendium of the …

Cross-effect dynamic nuclear polarization explained: polarization, depolarization, and oversaturation

A Equbal, A Leavesley, SK Jain… - The journal of physical …, 2019 - ACS Publications
The scope of this Perspective is to analytically describe NMR hyperpolarization by the three-
spin cross effect (CE) dynamic nuclear polarization (DNP) using an effective Hamiltonian …

Truncated cross effect dynamic nuclear polarization: an overhauser effect doppelganger

A Equbal, Y Li, A Leavesley, S Huang… - The journal of …, 2018 - ACS Publications
The discovery of a truncated cross-effect (CE) in dynamic nuclear polarization (DNP) NMR
that has the features of an Overhauser-effect DNP (OE-DNP) is reported here. The apparent …

Design of a cryogen-free high field dual EPR and DNP probe

K Tagami, R Thicklin, S Jain, A Equbal, M Li… - Journal of Magnetic …, 2023 - Elsevier
We present the design and construction of a cryogen free, dual electron paramagnetic
resonance (EPR) and nuclear magnetic resonance (NMR) probe for novel dynamic nuclear …