NMR hyperpolarization techniques of gases

DA Barskiy, AM Coffey, P Nikolaou… - … A European Journal, 2017 - Wiley Online Library
Nuclear spin polarization can be significantly increased through the process of
hyperpolarization, leading to an increase in the sensitivity of nuclear magnetic resonance …

Mixture and dissolution of laser polarized noble gases: Spectroscopic and imaging applications

RH Acosta, P Blümler, K Münnemann… - Progress in Nuclear …, 2012 - Elsevier
Despite their importance for natural sciences and medicine conventional NMR methods
suffer from a notorious lack of sensitivity that still limits their power and applicability. This …

[HTML][HTML] Hyperpolarized 131Xe NMR spectroscopy

KF Stupic, ZI Cleveland, GE Pavlovskaya… - Journal of Magnetic …, 2011 - Elsevier
Hyperpolarized (hp) 131Xe with up to 2.2% spin polarization (ie, 5000-fold signal
enhancement at 9.4 T) was obtained after separation from the rubidium vapor of the spin …

Characterization of violet emission from Rb optical pumping cells used in laser-polarized xenon NMR experiments

I Saha, P Nikolaou, N Whiting, BM Goodson - Chemical physics letters, 2006 - Elsevier
Visible emission from Rb optical pumping cells was characterized under a range of
conditions relevant to the production of laser-polarized xenon (including temperature, partial …

Nondisruptive Dissolution of Hyperpolarized 129Xe into Viscous Aqueous and Organic Liquid Crystalline Environments

AE Truxal, CC Slack, MD Gomes… - Angewandte …, 2016 - Wiley Online Library
Studies of hyperpolarized xenon‐129 (hp‐129Xe) in media such as liquid crystals and cell
suspensions are in demand for applications ranging from biomedical imaging to materials …

Spin-exchange optical pumping at high xenon densities and laser fluxes: principles and practice

BM Goodson, N Whiting, H Newton, JG Skinner… - 2015 - books.rsc.org
Once limited to the realm of fundamental physics experiments, hyperpolarized (HP) noble
gases have been exploited for a wide range of applications across NMR and MRI. In most …

14N NMR spectra of molecular nitrogen in SDS/pentanol swollen lamellar phases

G Pellizer, F Asaro - Magnetic resonance in chemistry, 2008 - Wiley Online Library
Abstract 14N NMR spectra of air dissolved in lyotropic mesophases are reported. In order to
observe the whole spectrum from a molecule in which the quadrupole coupling constant is …

Noble gas probes in NMR studies of liquid crystals

J Jokisaari - Nuclear Magnetic Resonance Spectroscopy of Liquid …, 2010 - World Scientific
The use of noble gas probes in NMR studies of the properties of liquid crystals is a very
practical alternative to detecting spectra of nuclei in liquid crystal molecules. In particular …

HP Xe-129 NMR characterization of single-file diffusion in nanotubes

CR Bowers - 2015 - books.rsc.org
Single-file diffusion (SFD) is a particular type of diffusion phenomenon occurring in systems
of particles confined to one-dimensional channels. In its simplest embodiment, SFD is a …

NMR spectoscopy and imaging of hyperpolarized gases. Fundamental aspects and applications

PP Zänker - 2007 - osti.gov
As one of the main obstacles in NMR is its notorious lack of sensitivity, different
hyperpolarization (HP) methods have been established to increase signals up to several …