Results 21 to 30 of about 254,930 (339)

Magneto-optical contrast in liquid-state optically detected NMR spectroscopy [PDF]

open access: yesProceedings of the National Academy of Sciences, 2011
We use optical Faraday rotation (OFR) to probe nuclear spins in real time at high-magnetic field in a range of diamagnetic sample fluids. Comparison of OFR-detected NMR spectra reveals a correlation between the relative signal amplitude and the fluid Verdet constant, which we interpret as a manifestation of the variable detuning between the probe beam ...
Daniela, Pagliero, Carlos A, Meriles
openaire   +2 more sources

HR-MAS NMR Applications in Plant Metabolomics

open access: yesMolecules, 2021
Metabolomics is used to reduce the complexity of plants and to understand the underlying pathways of the plant phenotype. The metabolic profile of plants can be obtained by mass spectrometry or liquid-state NMR.
Dieuwertje Augustijn   +2 more
doaj   +1 more source

An NMR Analog of the Quantum Disentanglement Eraser [PDF]

open access: yes, 2001
We report the implementation of a three-spin quantum disentanglement eraser on a liquid-state NMR quantum information processor. A key feature of this experiment was its use of pulsed magnetic field gradients to mimic projective measurements.
Cory, D. G.   +4 more
core   +2 more sources

NMR-Based Chromatography Readouts: Indispensable Tools to “Translate” Analytical Features into Molecular Structures

open access: yesCells, 2022
Gaining structural information is a must to allow the unequivocal structural characterization of analytes from natural sources. In liquid state, NMR spectroscopy is almost the only possible alternative to HPLC-MS and hyphenating the effluent of an ...
Christoph Seger, Sonja Sturm
doaj   +1 more source

Liquid-State NMR Quantum Computing

open access: yes, 2010
This in an introduction on quantum computing and on the use of NMR to build quantum computers, geared towards an NMR audience.
Vandersypen, Lieven M. K.   +2 more
openaire   +2 more sources

On the Tautomerism of N-Substituted Pyrazolones: 1,2-Dihydro-3H-pyrazol-3-ones versus 1H-Pyrazol-3-ols

open access: yesMolecules, 2018
The tautomerism of 1-phenyl-1,2-dihydro-3H-pyrazol-3-One was investigated. An X-ray crystal structure analysis exhibits dimers of 1-phenyl-1H-pyrazol-3-ol units.
Eglė Arbačiauskienė   +8 more
doaj   +1 more source

Large‐scale NMR simulations in liquid state: A tutorial [PDF]

open access: yesMagnetic Resonance in Chemistry, 2017
Liquid state nuclear magnetic resonance is the only class of magnetic resonance experiments for which the simulation problem is solved comprehensively for spin systems of any size. This paper contains a practical walkthrough for one of the many available simulation packages — Spinach.
openaire   +4 more sources

Assessment of geographical origin and production period of royal jelly by NMR metabolomics

open access: yesChemical and Biological Technologies in Agriculture, 2020
Background Royal jelly (RJ) represents the most valuable product of beekeeping activities. The illegal introduction of RJ of uncertain quality/origin in European agrofood markets is not controlled, since the conventional analytical methods cannot ...
Pierluigi Mazzei   +3 more
doaj   +1 more source

On the feasibility of iron or chromium substitution for aluminium in the Al13-Keggin ion [PDF]

open access: yes, 1995
Al-27 NMR measurements in the liquid and the solid state supplemented with chemical analysis of the mixed salts; unambiguously reveal that neither tetrahedral nor octahedral aluminium can be substituted by either iron or chromium in Al-13-Keggin ion ...
Barrault   +18 more
core   +1 more source

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