Challenges and advances in the application of dynamic nuclear polarization to liquid-state NMR spectroscopy

N Abhyankar, V Szalai - The Journal of Physical Chemistry B, 2021 - ACS Publications
Nuclear magnetic resonance (NMR) spectroscopy is a powerful method to study the
molecular structure and dynamics of materials. The inherently low sensitivity of NMR …

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 …

P1 Center Electron Spin Clusters Are Prevalent in Type Ib Diamonds

S Bussandri, D Shimon, A Equbal, Y Ren… - Journal of the …, 2023 - ACS Publications
Understanding the spatial distribution of the P1 centers is crucial for diamond-based sensors
and quantum devices. P1 centers serve as polarization sources for dynamic nuclear …

Two-electron two-nucleus effective Hamiltonian and the spin diffusion barrier

G von Witte, S Kozerke, M Ernst - Science Advances, 2025 - science.org
Dynamic nuclear polarization (DNP) and emerging quantum technologies rely on the spin
transfer in electron-nuclear hybrid quantum systems. Spin transfers might be suppressed by …

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 …

1H Thermal Mixing Dynamic Nuclear Polarization with BDPA as Polarizing Agents

Y Li, A Equbal, T Tabassum, S Han - The Journal of Physical …, 2020 - ACS Publications
Dynamic Nuclear Polarization (DNP) is a sensitivity enhancing technique for Nuclear
Magnetic Resonance. A recent discovery of Overhauser Effect (OE) DNP in insulating …

Quantitative analysis of cross-talk in partly deuterated samples of nuclear spins hyperpolarized by dynamic nuclear polarization (DNP) in the thermal mixing regime

BA Rodin, V Thalakottoor, M Baudin… - Physical Chemistry …, 2023 - pubs.rsc.org
Dynamical nuclear polarization (DNP) is a powerful method that allows one to polarize
virtually any spin-bearing nucleus by transferring electron polarization by microwave …

Probing the photointermediates of light-driven sodium ion pump KR2 by DNP-enhanced solid-state NMR

O Jakdetchai, P Eberhardt, M Asido, J Kaur… - Science …, 2021 - science.org
The functional mechanism of the light-driven sodium pump Krokinobacter eikastus
rhodopsin 2 (KR2) raises fundamental questions since the transfer of cations must differ from …

13C Dynamic Nuclear Polarization using SA-BDPA at 6.7 T and 1.1 K: Coexistence of Pure Thermal Mixing and Well-Resolved Solid Effect

A Radaelli, HAI Yoshihara, H Nonaka… - The journal of …, 2020 - ACS Publications
SA-BDPA is a water-soluble, narrow-line width radical previously used for dynamic nuclear
polarization (DNP) signal enhancement in solid-state magic angle spinning NMR …

Dipolar Order Induced Electron Spin Hyperpolarization

A Equbal, C Ramanathan, S Han - The Journal of Physical …, 2024 - ACS Publications
The structure of coupled electron spin systems is of fundamental interest to many
applications, including dynamic nuclear polarization (DNP), enhanced nuclear magnetic …