Search Results - "Malcolm, H."

Singlet nuclear magnetic resonance by Levitt, Malcolm H

“…Nuclear singlet states may have lifetimes that are much longer than the conventional relaxation time of nuclear spin magnetization. This review covers how…”
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Long live the singlet state by Levitt, Malcolm H.

“…[Display omitted] •Some types of nuclear spin order are protected against common relaxation mechanisms.•Imbalances in spin-isomer populations are a special…”
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SpinDynamica: Symbolic and numerical magnetic resonance in a Mathematica environment by Bengs, Christian, Levitt, Malcolm H.

“…SpinDynamica is a set of Mathematica packages for performing numerical and symbolic analysis of a wide range of magnetic resonance experiments and phenomena…”
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Symmetry constraints on spin dynamics: Application to hyperpolarized NMR by Levitt, Malcolm H.

“…[Display omitted] Bounds on the transformation of the spin density operator in a four-spin-1/2 system. The vertical axis represents the expectation value of…”
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Large Scale Population Assessment of Physical Activity Using Wrist Worn Accelerometers: The UK Biobank Study by Doherty, Aiden, Jackson, Dan, Hammerla, Nils, Plötz, Thomas, Olivier, Patrick, Granat, Malcolm H, White, Tom, van Hees, Vincent T, Trenell, Michael I, Owen, Christoper G, Preece, Stephen J, Gillions, Rob, Sheard, Simon, Peakman, Tim, Brage, Soren, Wareham, Nicholas J

“…Physical activity has not been objectively measured in prospective cohorts with sufficiently large numbers to reliably detect associations with multiple health…”
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A master equation for spin systems far from equilibrium by Bengs, Christian, Levitt, Malcolm H.

“…[Display omitted] •The inhomogeneous master equation fails in general far from equilibrium.•A simple thought-experiment illustrates the failure of the standard…”
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Spectroscopy of light-molecule endofullerenes by Levitt, Malcolm H.

“…Molecular endofullerenes are supramolecular systems consisting of fullerene cages encapsulating small molecules. Although most early examples consist of…”
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High-Resolution Nuclear Magnetic Resonance Spectroscopy with Picomole Sensitivity by Hyperpolarization on a Chip by Eills, James, Hale, William, Sharma, Manvendra, Rossetto, Matheus, Levitt, Malcolm H, Utz, Marcel

“…We show that high-resolution NMR can reach picomole sensitivity for micromolar concentrations of analyte by combining parahydrogen-induced hyperpolarization…”
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Storage of nuclear magnetization as long-lived singlet order in low magnetic field by Pileio, Giuseppe, Carravetta, Marina, Levitt, Malcolm H.

“…Hyperpolarized nuclear states provide NMR signals enhanced by many orders of magnitude, with numerous potential applications to analytical NMR, in vivo NMR,…”
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The Influence of the Metal (Al, Cr, and Co) and the Substituents of the Porphyrin in Controlling the Reactions Involved in the Copolymerization of Propylene Oxide and Carbon Dioxide by Porphyrin Metal(III) Complexes. 1. Aluminum Chemistry by Chatterjee, Chandrani, Chisholm, Malcolm H

“…The reactivities of aluminum(III) complexes LAlX, where L = 5,10,15,20-tetraphenylporphyrin (TPP), 5,10,15,20-tetrakis(pentafluorophenyl)porphyrin (TFPP), and…”
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Robust transformation of singlet order into heteronuclear magnetisation over an extended coupling range by Bengs, Christian, Dagys, Laurynas, Levitt, Malcolm H.

“…[Display omitted] •Transformation of singlet order into heteronuclear magnetisation by the gS2hM sequence.•The gS2hM sequence works in the near-equivalence…”
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Efficient Parahydrogen-Induced 13C Hyperpolarization on a Microfluidic Device by Barker, Sylwia J., Dagys, Laurynas, Levitt, Malcolm H., Utz, Marcel

“…We show the direct production and detection of 13C-hyperpolarized fumarate by parahydrogen-induced polarization (PHIP) in a microfluidic lab-on-a-chip (LoC)…”
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Scalable dissolution-dynamic nuclear polarization with rapid transfer of a polarized solid by Kouřil, Karel, Kouřilová, Hana, Bartram, Samuel, Levitt, Malcolm H., Meier, Benno

“…In dissolution-dynamic nuclear polarization, nuclear spins are hyperpolarized at cryogenic temperatures using radicals and microwave irradiation. The…”
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Concerning the ring-opening polymerization of lactide and cyclic esters by coordination metal catalysts by Chisholm, Malcolm H.

“…A summary of the reactions involved in the ring-opening polymerization (ROP) of lactide (LA) to give polylactides (PLAs) is presented along with competing…”
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Efficient Parahydrogen-Induced 13 C Hyperpolarization on a Microfluidic Device by Barker, Sylwia J, Dagys, Laurynas, Levitt, Malcolm H, Utz, Marcel

“…We show the direct production and detection of C-hyperpolarized fumarate by parahydrogen-induced polarization (PHIP) in a microfluidic lab-on-a-chip (LoC)…”
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A Machine Learning Classification Model for Monitoring the Daily Physical Behaviour of Lower-Limb Amputees by Griffiths, Benjamin, Diment, Laura, Granat, Malcolm H

“…There are currently limited data on how prosthetic devices are used to support lower-limb prosthesis users in their free-living environment. Possessing the…”
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Gordon Edyvean Heard by Wheeler, Malcolm H

“…In the UK, one in 25 men between the ages of 65 and 75 have an abdominal aortic aneurysm, with rupture causing 6000 deaths each year. A year later, another…”
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Rates and Patterns of Recurrence after Curative Intent Resection for Gastric Cancer: A United States Multi-Institutional Analysis by Spolverato, Gaya, MD, Ejaz, Aslam, MD, MPH, Kim, Yuhree, MD, MPH, Squires, Malcolm H., MD, Poultsides, George A., MD, FACS, Fields, Ryan C., MD, FACS, Schmidt, Carl, MD, FACS, Weber, Sharon M., MD, FACS, Votanopoulos, Konstantinos, MD, FACS, Maithel, Shishir K., MD, FACS, Pawlik, Timothy M., MD, MPH, PhD, FACS

“…Background Reports on recurrence and outcomes of US patients with gastric cancer are scarce. The aim of this study was to determine incidence and pattern of…”
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The influence of the metal (Al, Cr and Co) and the substituents of the porphyrin in controlling the reactions involved in the copolymerization of propylene oxide and cyclic anhydrides by porphyrin metal(III) complexes by Bernard, Alexandre, Chatterjee, Chandrani, Chisholm, Malcolm H.

“…A series of porphyrin metal(III) complexes of general formula LMX (L = tetraphenylporphyrin (TPP), octaethylporphyrin (OEP), tetrakispentafluorophenylporphyrin…”
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Application of the Covalent Bond Classification Method for the Teaching of Inorganic Chemistry by Green, Malcolm L. H, Parkin, Gerard

“…The Covalent Bond Classification (CBC) method provides a means to classify covalent molecules according to the number and types of bonds that surround an atom…”
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