Instrumentation for hydrogenative parahydrogen-based hyperpolarization techniques
The unique properties of the entangled, antisymmetric nuclear spin state of dihydrogen,
parahydrogen (pH2), has intrigued physicists, chemists, and other scientists for almost a …
parahydrogen (pH2), has intrigued physicists, chemists, and other scientists for almost a …
Low-cost high-pressure clinical-scale 50% parahydrogen generator using liquid nitrogen at 77 K
B Chapman, B Joalland, C Meersman… - Analytical …, 2021 - ACS Publications
We report on a robust and low-cost parahydrogen generator design employing liquid
nitrogen as a coolant. The core of the generator consists of catalyst-filled spiral copper …
nitrogen as a coolant. The core of the generator consists of catalyst-filled spiral copper …
[HTML][HTML] Open-source, partially 3D-printed, high-pressure (50-bar) liquid-nitrogen-cooled parahydrogen generator
The signal of magnetic resonance imaging (MRI) can be enhanced by several orders of
magnitude using hyperpolarization. In comparison to a broadly used dynamic nuclear …
magnitude using hyperpolarization. In comparison to a broadly used dynamic nuclear …
Quantification of hyperpolarisation efficiency in SABRE and SABRE-Relay enhanced NMR spectroscopy
PM Richardson, RO John, AJ Parrott… - Physical Chemistry …, 2018 - pubs.rsc.org
para-Hydrogen (p-H2) induced polarisation (PHIP) is an increasingly popular method for
sensitivity enhancement in NMR spectroscopy. Its growing popularity is due in part to the …
sensitivity enhancement in NMR spectroscopy. Its growing popularity is due in part to the …
[HTML][HTML] Ortho-to para-hydrogen catalytic conversion kinetics
Hydrogen is a widely considered energy storage option. Hydrogen liquefaction allows for a
substantial increase in volumetric energy density; the required conversion of ortho-hydrogen …
substantial increase in volumetric energy density; the required conversion of ortho-hydrogen …
[HTML][HTML] Inherent single-point calibration for quantitative Raman analysis of ortho-para hydrogen composition
The global effort to reduce emissions and decarbonize energy has led to the pursuit of
carbon-free energy carriers, with hydrogen emerging as one of the most promising options …
carbon-free energy carriers, with hydrogen emerging as one of the most promising options …
Non-invasive monitoring of the growth of metal–organic frameworks (MOFs) via Raman spectroscopy
MWS Chong, AJ Parrott, DJ Ashworth… - Physical Chemistry …, 2023 - pubs.rsc.org
The applicability of Raman spectroscopy for phase discrimination of metal–organic
frameworks (MOFs) has been demonstrated with F4_MIL-140A (Ce) and F4_UiO-66 (Ce); …
frameworks (MOFs) has been demonstrated with F4_MIL-140A (Ce) and F4_UiO-66 (Ce); …
Reconversion of Parahydrogen Gas in Surfactant-Coated Glass NMR Tubes
The application of parahydrogen gas to enhance the magnetic resonance signals of a
diversity of chemical species has increased substantially in the last decade. Parahydrogen …
diversity of chemical species has increased substantially in the last decade. Parahydrogen …
Quantitative reaction monitoring using para hydrogen-enhanced benchtop NMR spectroscopy
The parahydrogen-induced polarisation (PHIP) NMR signal enhancement technique is used
to study H2 addition to Vaska's complex (trans-[IrCl (CO)(PPh3) 2]) with both standard high …
to study H2 addition to Vaska's complex (trans-[IrCl (CO)(PPh3) 2]) with both standard high …
[HTML][HTML] Speed-of-sound-based ortho-parahydrogen measurements
S Eisenhut, C Haberstroh - International Journal of Hydrogen Energy, 2024 - Elsevier
The accurate determination of the ortho-parahydrogen ratio is crucial for various
applications involving liquefied hydrogen. At Dresden University of Technology, a speed-of …
applications involving liquefied hydrogen. At Dresden University of Technology, a speed-of …