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 …

[HTML][HTML] Dynamic nuclear polarization for sensitivity enhancement in modern solid-state NMR

ASL Thankamony, JJ Wittmann, M Kaushik… - Progress in nuclear …, 2017 - Elsevier
The field of dynamic nuclear polarization has undergone tremendous developments and
diversification since its inception more than 6 decades ago. In this review we provide an in …

Facing and overcoming sensitivity challenges in biomolecular NMR spectroscopy

JH Ardenkjaer‐Larsen, GS Boebinger… - Angewandte Chemie …, 2015 - Wiley Online Library
In the Spring of 2013, NMR spectroscopists convened at the Weizmann Institute in Israel to
brainstorm on approaches to improve the sensitivity of NMR experiments, particularly when …

Gd (III) and Mn (II) complexes for dynamic nuclear polarization: small molecular chelate polarizing agents and applications with site-directed spin labeling of proteins

M Kaushik, T Bahrenberg, TV Can… - Physical Chemistry …, 2016 - pubs.rsc.org
We investigate complexes of two paramagnetic metal ions Gd3+ and Mn2+ to serve as
polarizing agents for solid-state dynamic nuclear polarization (DNP) of 1H, 13C, and 15N at …

Tailoring of Polarizing Agents in the bTurea Series for Cross‐Effect Dynamic Nuclear Polarization in Aqueous Media

C Sauvée, G Casano, S Abel… - … A European Journal, 2016 - Wiley Online Library
A series of 18 nitroxide biradicals derived from bTurea has been prepared, and their
enhancement factors ɛ (1H) in cross‐effect dynamic nuclear polarization (CE DNP) NMR …

Molecular dynamics and proton hyperpolarization via synthetic and crude oil porphyrin complexes in solid and solution states

B Gizatullin, M Gafurov, F Murzakhanov, A Vakhin… - Langmuir, 2021 - ACS Publications
The use of vanadyl porphyrins either in synthetic compounds or naturally occurring in
asphaltenes is investigated as a source of proton hyperpolarization via dynamic nuclear …

Large Room Temperature Bulk DNP of 13C via P1 Centers in Diamond

D Shimon, KA Cantwell, L Joseph… - The Journal of …, 2022 - ACS Publications
We use microwave-induced dynamic nuclear polarization (DNP) of the substitutional
nitrogen defects (P1 centers) in diamond to hyperpolarize bulk 13C nuclei in both single …

Dynamic Nuclear Polarization of 1H, 13C, and 59Co in a Tris(ethylenediamine)cobalt(III) Crystalline Lattice Doped with Cr(III)

B Corzilius, VK Michaelis, SA Penzel… - Journal of the …, 2014 - ACS Publications
The study of inorganic crystalline materials by solid-state NMR spectroscopy is often
complicated by the low sensitivity of heavy nuclei. However, these materials often contain or …

Novel biradicals for direct excitation highfield dynamic nuclear polarization

S Bothe, J Nowag, V Klimavičius… - The Journal of …, 2018 - ACS Publications
Synthesis of novel trityl-nitroxyl biradicals and their performance as polarization agents in
DNP-enhanced solid-state MAS NMR spectroscopy is presented. Signal enhancements in …

Frequency-Chirped Magic Angle Spinning Dynamic Nuclear Polarization Combined with Electron Decoupling

M Millen, N Alaniva, EP Saliba, SA Overall… - The Journal of …, 2024 - ACS Publications
Magic angle spinning (MAS) dynamic nuclear polarization (DNP) increases the signal
intensity of solid-state nuclear magnetic resonance. DNP typically uses continuous wave …