SABRE: Chemical kinetics and spin dynamics of the formation of hyperpolarization

DA Barskiy, S Knecht, AV Yurkovskaya… - Progress in Nuclear …, 2019 - Elsevier
In this review, we present the physical principles of the SABRE (Signal Amplification By
Reversible Exchange) method. SABRE is a promising hyperpolarization technique that …

Microtesla SABRE enables 10% nitrogen-15 nuclear spin polarization

T Theis, ML Truong, AM Coffey… - Journal of the …, 2015 - ACS Publications
Parahydrogen is demonstrated to efficiently transfer its nuclear spin hyperpolarization to
nitrogen-15 in pyridine and nicotinamide (vitamin B3 amide) by conducting “signal …

Singlet NMR methodology in two-spin-1/2 systems

G Pileio - Progress in nuclear magnetic resonance spectroscopy, 2017 - Elsevier
This paper discusses methodology developed over the past 12 years in order to access and
manipulate singlet order in systems comprising two coupled spin-1/2 nuclei in liquid-state …

Direct and cost-efficient hyperpolarization of long-lived nuclear spin states on universal 15N2-diazirine molecular tags

T Theis, GX Ortiz Jr, AWJ Logan, KE Claytor, Y Feng… - Science …, 2016 - science.org
Conventional magnetic resonance (MR) faces serious sensitivity limitations which can be
overcome by hyperpolarization methods, but the most common method (dynamic nuclear …

The role of level anti-crossings in nuclear spin hyperpolarization

KL Ivanov, AN Pravdivtsev, AV Yurkovskaya… - Progress in nuclear …, 2014 - Elsevier
Nuclear spin hyperpolarization is an important resource for increasing the sensitivity of NMR
spectroscopy and MRI. Signal enhancements can be as large as 3–4 orders of magnitude …

Level Anti‐Crossings are a Key Factor for Understanding para‐Hydrogen‐Induced Hyperpolarization in SABRE Experiments

AN Pravdivtsev, AV Yurkovskaya, HM Vieth… - …, 2013 - Wiley Online Library
Various hyperpolarization methods are able to enhance the sensitivity of nuclear magnetic
resonance (NMR) spectroscopy and magnetic resonance imaging (MRI) by several orders of …

The Role of Adsorbed Species in 1-Butene Isomerization: Parahydrogen-Induced Polarization NMR of Pd–Au Catalyzed Butadiene Hydrogenation

W Wang, RJ Lewis, B Lu, Q Wang, GJ Hutchings… - ACS …, 2024 - ACS Publications
Isomerization of 1-butene critically influences product distributions in 1, 3-butadiene
hydrogenation. However, distinguishing between the isomerization and hydrogenation …

[HTML][HTML] Long live the singlet state!

MH Levitt - Journal of Magnetic Resonance, 2019 - Elsevier
The field of long-lived states in NMR is reviewed. The relationship of long-lived-state
phenomena to those associated with spin isomerism is discussed. A brief overview is given …

Recycling and imaging of nuclear singlet hyperpolarization

G Pileio, S Bowen, C Laustsen… - Journal of the …, 2013 - ACS Publications
The strong enhancement of NMR signals achieved by hyperpolarization decays, at best,
with a time constant of a few minutes. Here, we show that a combination of long-lived singlet …

Long-lived states of methylene protons in achiral molecules

A Sonnefeld, A Razanahoera, P Pelupessy… - Science …, 2022 - science.org
In nuclear magnetic resonance (NMR), the lifetimes of long-lived states (LLSs) are
exquisitely sensitive to their environment. However, the number of molecules where such …